Update Terraform provider recommendations in docs

Update nginx-ingress and Grafana addons
Upgrade to DigitalOcean Terraform provider v2.x
2025-08-02 19:01:34 +02:00 · 2022-01-19 21:16:37 -08:00 · 2022-01-19 21:09:21 -08:00 · 2022-01-19 18:32:17 -08:00 · 2022-01-19 17:59:49 -08:00 · 2022-01-19 16:42:21 -08:00
138 changed files with 1219 additions and 664 deletions
--- a/CHANGES.md
+++ b/CHANGES.md
@ -4,6 +4,175 @@ Notable changes between versions.

 ## Latest

+* Kubernetes [v1.23.2](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.23.md#v1232)
+* Remove Kubelet flag `--network-plugin`. Unused since `docker-shim` isn't used ([#1106](https://github.com/poseidon/typhoon/pull/1106))
+
+### Fedora CoreOS
+
+* Switch Kubernetes Container Runtime from `docker` to `containerd` ([#1101](https://github.com/poseidon/typhoon/pull/1101))
+* Mask `docker.service` to prevent it from being socket activated ([#1105](https://github.com/poseidon/typhoon/pull/1105))
+
+### Flatcar Linux
+
+#### AWS
+
+* Add experimental Flatcar Linux ARM64 support ([docs](https://typhoon.psdn.io/advanced/arm64/), [#1102](https://github.com/poseidon/typhoon/pull/1102))
+  * Add `arch` variable to AWS `kubernetes` and `workers` modules
+  * Allow arm64 full-cluster or mixed/hybrid cluster with arm64 workers
+  * Requires `flannel` or `cilium` CNI provider
+
+### DigitalOcean
+
+* Upgrade DigitalOcean Terraform provider to [v2.x](https://registry.terraform.io/providers/digitalocean/digitalocean/latest/docs) ([#1109](https://github.com/poseidon/typhoon/pull/1109))
+
+### Addons
+
+* Update nginx-ingress from v1.1.0 to [v1.1.1](https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.1.1)
+* Update Grafana from v8.3.3 to [v8.3.4](https://github.com/grafana/grafana/releases/tag/v8.3.4)
+
+## v1.23.1
+
+* Kubernetes [v1.23.1](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.23.md#v1231)
+* Workaround Terraform v1.1 regression in `file` provisioner ([#1093](https://github.com/poseidon/typhoon/pull/1093))
+
+### Flatcar Linux
+
+* Switch Kubernetes Container Runtime from `docker` to `containerd` ([#1087](https://github.com/poseidon/typhoon/pull/1087))
+
+### Addons
+
+* Configure Prometheus to allow a custom scrape query parameter ([#1095](https://github.com/poseidon/typhoon/pull/1095))
+* Configure Prometheus to probe Kubernetes Ingress via `blackbox-exporter` ([#1096](https://github.com/poseidon/typhoon/pull/1096))
+* Fix Prometheus Service probes to use `blackbox-exporter`, not `blackbox` ([#1096](https://github.com/poseidon/typhoon/pull/1096))
+
+## v1.23.0
+
+* Kubernetes [v1.23.0](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.23.md#v1230)
+* Normalize CA cert mounts in static Pods and kube-proxy ([#1078](https://github.com/poseidon/typhoon/pull/1078))
+* Set Kubelet resolver config to `/run/systemd/resolve/resolv.conf` ([#1082](https://github.com/poseidon/typhoon/pull/1082))
+* Update Cilium from v1.10.5 to [v1.11.0](https://github.com/cilium/cilium/releases/tag/v1.11.0) ([#1083](https://github.com/poseidon/typhoon/pull/1083))
+* With Calico, add missing `caliconodestatuses` CRD ([#289](https://github.com/poseidon/terraform-render-bootstrap/pull/289))
+* Change `enable_aggregation` default to true ([#279](https://github.com/poseidon/terraform-render-bootstrap/pull/279))
+* Remove deprecated `--port` from `kube-scheduler` ([#1078](https://github.com/poseidon/typhoon/pull/1078))
+
+### AWS
+
+* Change controller node default `disk_iops` to 3000 ([#1073](https://github.com/poseidon/typhoon/pull/1073))
+
+### Azure
+
+* Fix warning about deprecated `backend_address_pool_id` ([#1086](https://github.com/poseidon/typhoon/pull/1086))
+
+### Fedora CoreOS
+
+* Fix Fedora ARM64 workers to official Fedora CoreOS AMIs ([#1072](https://github.com/poseidon/typhoon/pull/1072))
+  * Should have been changed alongside controller AMIs in ([#1038](https://github.com/poseidon/typhoon/pull/1038))
+  * Old Poseidon built ARM64 AMIs have been deleted
+
+### Addons
+
+* Update nginx-ingress from v1.0.5 to [v1.1.0](https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.1.0)
+* Update Prometheus from v2.31.1 to [v2.32.0](https://github.com/prometheus/prometheus/releases/tag/v2.32.0)
+* Update kube-state-metrics from v2.2.4 to [v2.3.0](https://github.com/kubernetes/kube-state-metrics/releases/tag/v2.3.0)
+* Update node-exporter from v1.3.0 to [v1.3.1](https://github.com/prometheus/node_exporter/releases/tag/v1.3.1)
+* Update Grafana from v8.2.4 to [v8.3.3](https://github.com/grafana/grafana/releases/tag/v8.3.3)
+
+### Known Issues
+
+* Calico does not yet support Kubernetes v1.23.0, use `flannel` or `cilium` ([calico#5011](https://github.com/projectcalico/calico/issues/5011))
+
+## v1.22.4
+
+* Kubernetes [v1.22.4](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.22.md#v1224)
+* Update CoreDNS from v1.8.4 to [v1.8.6](https://github.com/poseidon/terraform-render-bootstrap/pull/284)
+* Update Calico from v3.20.2 to [v3.21.0](https://github.com/projectcalico/calico/releases/tag/v3.21.0)
+* Update flannel from v0.14.0 to [v0.15.1](https://github.com/flannel-io/flannel/releases/tag/v0.15.1)
+
+### Google
+
+* Allow use of Terraform provider `google` [v4.0+](https://github.com/hashicorp/terraform-provider-google/releases/tag/v4.0.0)
+
+### Flatcar Linux
+
+* Change Kubelet mounts for cgroups v2 ([#1064](https://github.com/poseidon/typhoon/pull/1064))
+* Update cgroup driver from cgroupfs to systemd (Flatcar Linux changed default) ([#1064](https://github.com/poseidon/typhoon/pull/1064))
+
+### Addons
+
+* Update Prometheus from v2.30.3 to [v2.31.1](https://github.com/prometheus/prometheus/releases/tag/v2.31.1)
+* Update node-exporter from v1.2.2 to [v1.3.0](https://github.com/prometheus/node_exporter/releases/tag/v1.3.0)
+* Update kube-state-metrics from v2.2.3 to [v2.2.4](https://github.com/kubernetes/kube-state-metrics/releases/tag/v2.2.4)
+* Update Grafana from v8.2.1 to [v8.2.4](https://github.com/grafana/grafana/releases/tag/v8.2.4)
+* Update nginx-ingress from v1.0.4 to [v1.0.5](https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.0.5)
+
+## v1.23.3
+
+* Kubernetes [v1.22.3](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.22.md#v1223)
+* Update etcd from v3.5.0 to [v3.5.1](https://github.com/etcd-io/etcd/releases/tag/v3.5.1)
+* Update Cilium from v1.10.4 to [v1.10.5](https://github.com/cilium/cilium/releases/tag/v1.10.5)
+* Update Calico from v3.20.1 to [v3.20.2](https://github.com/projectcalico/calico/releases/tag/v3.20.2)
+  * Use Calico's iptables legacy vs nft auto-detection
+* Update flannel from v0.13.0 to v0.14.0
+
+### Bare-Metal
+
+* Require Terraform provider `poseidon/matchbox` v0.5+ ([#1048](https://github.com/poseidon/typhoon/pull/1048))
+
+### Addons
+
+* Update nginx-ingress from v1.0.0 to [v1.0.4](https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.0.4)
+* Update Prometheus from v2.29.2 to [v2.30.3](https://github.com/prometheus/prometheus/releases/tag/v2.30.3)
+* Update kube-state-metrics from v2.2.0 to [v2.2.3](https://github.com/kubernetes/kube-state-metrics/releases/tag/v2.2.3)
+* Update Grafana from v8.1.2 to [v8.2.1](https://github.com/grafana/grafana/releases/tag/v8.2.1)
+
+## v1.22.2
+
+* Kubernetes [v1.22.2](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.22.md#v1222)
+* Update Cilium from v1.10.3 to [v1.10.4](https://github.com/cilium/cilium/releases/tag/v1.10.4)
+* Update Calico from v3.20.0 to [v3.20.1](https://github.com/projectcalico/calico/releases/tag/v3.20.1)
+* Fix access to ClusterIP services with Cilium ([#276](https://github.com/poseidon/terraform-render-bootstrap/pull/276))
+
+### Fedora CoreOS
+
+* Use Fedora CoreOS ARM64 AMIs ([#1038](https://github.com/poseidon/typhoon/pull/1038))
+
+### Addons
+
+* Update Prometheus from v2.29.1 to [v2.29.2](https://github.com/prometheus/prometheus/releases/tag/v2.29.2)
+* Update kube-state-metrics from v2.1.1 to [v2.2.0](https://github.com/kubernetes/kube-state-metrics/releases/tag/v2.2.0)
+
+## v1.22.1
+
+* Kubernetes [v1.22.1](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.22.md#v1221)
+* Update Calico from v3.19.1 to [v3.20.0](https://github.com/projectcalico/calico/releases/tag/v3.20.0)
+
+### Addons
+
+* Update nginx-ingress from v1.0.0-beta.1 to [v1.0.0](https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.0.0)
+* Update Prometheus from v2.28.1 to [v2.29.1](https://github.com/prometheus/prometheus/releases/tag/v2.29.1)
+* Update Grafana from v8.1.1 to [v8.1.2](https://github.com/grafana/grafana/releases/tag/v8.1.2)
+
+## v1.22.0
+
+* Kubernetes [v1.22.0](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.22.md#v1220)
+* Update etcd from v3.4.16 to [v3.5.0](https://github.com/etcd-io/etcd/releases/tag/v3.5.0)
+* Switch `kube-controller-manager` and `kube-scheduler` to use secure port only
+  * Update Prometheus config to discover endpoints and use a bearer token to scrape
+
+### Fedora CoreOS
+
+* Add Cilium cgroups v2 support on Fedora CoreOS
+* Update Butane Config version from v1.2.0 to v1.4.0
+  * Rename Fedora CoreOS Config to Butane Config
+  * Require any [snippets](https://typhoon.psdn.io/advanced/customization/#hosts) customizations to update to v1.4.0
+
+### Addons
+
+* Update nginx-ingress from v0.47.0 to [v1.0.0-beta.1](https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.0.0-beta.1)
+* Update node-exporter from v1.2.0 to [v1.2.2](https://github.com/prometheus/node_exporter/releases/tag/v1.2.2)
+* Update kube-state-metrics from v2.1.0 to [v2.1.1](https://github.com/kubernetes/kube-state-metrics/releases/tag/v2.1.1)
+* Update Grafana from v8.0.6 to [v8.1.1](https://github.com/grafana/grafana/releases/tag/v8.1.1)
+
 ## v1.21.3

 * Kubernetes [v1.21.3](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.21.md#v1213)
@ -20,6 +189,10 @@ Notable changes between versions.
 * Update node-exporter from v1.1.2 to [v1.2.0](https://github.com/prometheus/node_exporter/releases/tag/v1.2.0)
 * Update Grafana from v8.0.3 to [v8.0.6](https://github.com/grafana/grafana/releases/tag/v8.0.6)

+### Known Issues
+
+* Cilium with recent Fedora CoreOS will have networking issues ([fedora-coreos#881](https://github.com/coreos/fedora-coreos-tracker/issues/881)) (fixed in v1.21.4)
+
 ## v1.21.2

 * Kubernetes [v1.21.2](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.21.md#v1212)
@ -53,7 +226,7 @@ Notable changes between versions.

 ### Known Issues

-* Cilium with recent Fedora CoreOS will have networking issues ([fedora-coreos#881](https://github.com/coreos/fedora-coreos-tracker/issues/881))
+* Cilium with recent Fedora CoreOS will have networking issues ([fedora-coreos#881](https://github.com/coreos/fedora-coreos-tracker/issues/881)) (fixed in v1.21.4)

 ## v1.21.1

--- a/README.md
+++ b/README.md
@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster

 ## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>

-* Kubernetes v1.21.3 (upstream)
+* Kubernetes v1.23.2 (upstream)
 * Single or multi-master, [Calico](https://www.projectcalico.org/) or [Cilium](https://github.com/cilium/cilium) or [flannel](https://github.com/coreos/flannel) networking
 * On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/), SELinux enforcing
 * Advanced features like [worker pools](https://typhoon.psdn.io/advanced/worker-pools/), [preemptible](https://typhoon.psdn.io/flatcar-linux/google-cloud/#preemption) workers, and [snippets](https://typhoon.psdn.io/advanced/customization/#hosts) customization
@ -45,6 +45,10 @@ Typhoon is available for [Flatcar Linux](https://www.flatcar-linux.org/releases/
 | DigitalOcean | Flatcar Linux  | [digital-ocean/flatcar-linux/kubernetes](digital-ocean/flatcar-linux/kubernetes) | beta |
 | Google Cloud  | Flatcar Linux  | [google-cloud/flatcar-linux/kubernetes](google-cloud/flatcar-linux/kubernetes) | beta |

+| Platform      | Operating System | Terraform Module | Status |
+|---------------|------------------|------------------|--------|
+| AWS           | Flatcar Linux (ARM64) | [aws/flatcar-linux/kubernetes](aws/flatcar-linux/kubernetes) | alpha |
+
 ## Documentation

 * [Docs](https://typhoon.psdn.io)
@ -58,7 +62,7 @@ Define a Kubernetes cluster by using the Terraform module for your chosen platfo

 ```tf
 module "yavin" {
-  source = "git::https://github.com/poseidon/typhoon//google-cloud/fedora-coreos/kubernetes?ref=v1.21.3"
+  source = "git::https://github.com/poseidon/typhoon//google-cloud/fedora-coreos/kubernetes?ref=v1.23.2"

  # Google Cloud
  cluster_name  = "yavin"
@ -67,7 +71,7 @@ module "yavin" {
  dns_zone_name = "example-zone"

  # configuration
-  ssh_authorized_key = "ssh-rsa AAAAB3Nz..."
+  ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."

  # optional
  worker_count = 2
@ -97,9 +101,9 @@ In 4-8 minutes (varies by platform), the cluster will be ready. This Google Clou
 $ export KUBECONFIG=/home/user/.kube/configs/yavin-config
 $ kubectl get nodes
 NAME                                       ROLES    STATUS  AGE  VERSION
-yavin-controller-0.c.example-com.internal  <none>   Ready   6m   v1.21.3
-yavin-worker-jrbf.c.example-com.internal   <none>   Ready   5m   v1.21.3
-yavin-worker-mzdm.c.example-com.internal   <none>   Ready   5m   v1.21.3
+yavin-controller-0.c.example-com.internal  <none>   Ready   6m   v1.23.2
+yavin-worker-jrbf.c.example-com.internal   <none>   Ready   5m   v1.23.2
+yavin-worker-mzdm.c.example-com.internal   <none>   Ready   5m   v1.23.2
 ```

 List the pods.
--- a/addons/grafana/deployment.yaml
+++ b/addons/grafana/deployment.yaml
@ -24,7 +24,7 @@ spec:
          type: RuntimeDefault
      containers:
        - name: grafana
-          image: docker.io/grafana/grafana:8.0.6
+          image: docker.io/grafana/grafana:8.3.4
          env:
            - name: GF_PATHS_CONFIG
              value: "/etc/grafana/custom.ini"
--- a/addons/nginx-ingress/aws/deployment.yaml
+++ b/addons/nginx-ingress/aws/deployment.yaml
@ -23,7 +23,7 @@ spec:
          type: RuntimeDefault
      containers:
        - name: nginx-ingress-controller
-          image: k8s.gcr.io/ingress-nginx/controller:v0.47.0
+          image: k8s.gcr.io/ingress-nginx/controller:v1.1.1
          args:
            - /nginx-ingress-controller
            - --ingress-class=public
--- a/addons/nginx-ingress/azure/deployment.yaml
+++ b/addons/nginx-ingress/azure/deployment.yaml
@ -23,7 +23,7 @@ spec:
          type: RuntimeDefault
      containers:
        - name: nginx-ingress-controller
-          image: k8s.gcr.io/ingress-nginx/controller:v0.47.0
+          image: k8s.gcr.io/ingress-nginx/controller:v1.1.1
          args:
            - /nginx-ingress-controller
            - --ingress-class=public
--- a/addons/nginx-ingress/bare-metal/deployment.yaml
+++ b/addons/nginx-ingress/bare-metal/deployment.yaml
@ -23,7 +23,7 @@ spec:
          type: RuntimeDefault
      containers:
        - name: nginx-ingress-controller
-          image: k8s.gcr.io/ingress-nginx/controller:v0.47.0
+          image: k8s.gcr.io/ingress-nginx/controller:v1.1.1
          args:
            - /nginx-ingress-controller
            - --ingress-class=public
--- a/addons/nginx-ingress/digital-ocean/daemonset.yaml
+++ b/addons/nginx-ingress/digital-ocean/daemonset.yaml
@ -23,7 +23,7 @@ spec:
          type: RuntimeDefault
      containers:
        - name: nginx-ingress-controller
-          image: k8s.gcr.io/ingress-nginx/controller:v0.47.0
+          image: k8s.gcr.io/ingress-nginx/controller:v1.1.1
          args:
            - /nginx-ingress-controller
            - --ingress-class=public
--- a/addons/nginx-ingress/google-cloud/deployment.yaml
+++ b/addons/nginx-ingress/google-cloud/deployment.yaml
@ -23,7 +23,7 @@ spec:
          type: RuntimeDefault
      containers:
        - name: nginx-ingress-controller
-          image: k8s.gcr.io/ingress-nginx/controller:v0.47.0
+          image: k8s.gcr.io/ingress-nginx/controller:v1.1.1
          args:
            - /nginx-ingress-controller
            - --ingress-class=public
--- a/addons/prometheus/config.yaml
+++ b/addons/prometheus/config.yaml
@ -72,6 +72,48 @@ data:
        regex: apiserver_request_duration_seconds_count;.+
        action: drop

+    # Scrape config for kube-controller-manager endpoints.
+    #
+    # kube-controller-manager service endpoints can be discovered by using the
+    # `endpoints` role and relabelling to only keep only endpoints associated with
+    # kube-system/kube-controller-manager and the `https` port.
+    - job_name: 'kube-controller-manager'
+      kubernetes_sd_configs:
+      - role: endpoints
+      scheme: https
+      tls_config:
+        ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+        insecure_skip_verify: true
+      bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
+        action: keep
+        regex: kube-system;kube-controller-manager;metrics
+      - replacement: kube-controller-manager
+        action: replace
+        target_label: job
+
+    # Scrape config for kube-scheduler endpoints.
+    #
+    # kube-scheduler service endpoints can be discovered by using the `endpoints`
+    # role and relabelling to only keep only endpoints associated with
+    # kube-system/kube-scheduler and the `https` port.
+    - job_name: 'kube-scheduler'
+      kubernetes_sd_configs:
+      - role: endpoints
+      scheme: https
+      tls_config:
+        ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+        insecure_skip_verify: true
+      bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
+        action: keep
+        regex: kube-system;kube-scheduler;metrics
+      - replacement: kube-scheduler
+        action: replace
+        target_label: job
+
    # Scrape config for node (i.e. kubelet) /metrics (e.g. 'kubelet_'). Explore
    # metrics from a node by scraping kubelet (127.0.0.1:10250/metrics).
    - job_name: 'kubelet'
@ -133,6 +175,7 @@ data:
    # * `prometheus.io/path`: If the metrics path is not `/metrics` override this.
    # * `prometheus.io/port`: If the metrics are exposed on a different port to the
    # service then set this appropriately.
+    # * `prometheus.io/param`: Custom metrics query parameter, like "format=prometheus".
    - job_name: 'kubernetes-service-endpoints'
      kubernetes_sd_configs:
      - role: endpoints
@ -155,6 +198,11 @@ data:
        target_label: __address__
        regex: ([^:]+)(?::\d+)?;(\d+)
        replacement: $1:$2
+      - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_param]
+        action: replace
+        target_label: __param_$1
+        regex: ([^=]+)=(.*)
+        replacement: $2
      - action: labelmap
        regex: __meta_kubernetes_service_label_(.+)
      - source_labels: [__meta_kubernetes_namespace]
@ -172,38 +220,6 @@ data:
        action: drop
        regex: etcd_(debugging|disk|request|server).*

-    # Example scrape config for probing services via the Blackbox Exporter.
-    #
-    # The relabeling allows the actual service scrape endpoint to be configured
-    # via the following annotations:
-    #
-    # * `prometheus.io/probe`: Only probe services that have a value of `true`
-    - job_name: 'kubernetes-services'
-
-      metrics_path: /probe
-      params:
-        module: [http_2xx]
-
-      kubernetes_sd_configs:
-      - role: service
-
-      relabel_configs:
-      - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_probe]
-        action: keep
-        regex: true
-      - source_labels: [__address__]
-        target_label: __param_target
-      - target_label: __address__
-        replacement: blackbox
-      - source_labels: [__param_target]
-        target_label: instance
-      - action: labelmap
-        regex: __meta_kubernetes_service_label_(.+)
-      - source_labels: [__meta_kubernetes_namespace]
-        target_label: namespace
-      - source_labels: [__meta_kubernetes_service_name]
-        target_label: job
-
    # Example scrape config for pods
    #
    # The relabeling allows the actual pod scrape endpoint to be configured via the
@ -240,6 +256,67 @@ data:
        action: replace
        target_label: kubernetes_pod_name

+    # Example scrape config for probing Services via the Blackbox Exporter.
+    #
+    # Relabeling allows service scraping to be configured via annotations:
+    # * `prometheus.io/probe`: Only probe services that have a value of `true`
+    - job_name: 'kubernetes-services'
+
+      metrics_path: /probe
+      params:
+        module: [http_2xx]
+
+      kubernetes_sd_configs:
+      - role: service
+
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_probe]
+        action: keep
+        regex: true
+      - source_labels: [__address__]
+        target_label: __param_target
+      - target_label: __address__
+        replacement: blackbox-exporter:8080
+      - source_labels: [__param_target]
+        target_label: instance
+      - action: labelmap
+        regex: __meta_kubernetes_service_label_(.+)
+      - source_labels: [__meta_kubernetes_namespace]
+        target_label: namespace
+      - source_labels: [__meta_kubernetes_service_name]
+        target_label: job
+
+    # Example scrape config for probing Ingresses via a Blackbox Exporter.
+    #
+    # Relabeling allows service scraping to be configured via annotations:
+    # * `prometheus.io/probe`: Only probe ingresses that have a value of `true`
+    - job_name: 'kubernetes-ingresses'
+      metrics_path: /probe
+      params:
+        module: [http_2xx]
+
+      kubernetes_sd_configs:
+      - role: ingress
+
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_ingress_annotation_prometheus_io_probe]
+        action: keep
+        regex: true
+      - source_labels: [__meta_kubernetes_ingress_scheme, __address__, __meta_kubernetes_ingress_path]
+        regex: (.+);(.+);(.+)
+        replacement: ${1}://${2}${3}
+        target_label: __param_target
+      - target_label: __address__
+        replacement: blackbox-exporter:8080
+      - source_labels: [__param_target]
+        target_label: instance
+      - action: labelmap
+        regex: __meta_kubernetes_ingress_label_(.+)
+      - source_labels: [__meta_kubernetes_namespace]
+        target_label: namespace
+      - source_labels: [__meta_kubernetes_service_name]
+        target_label: job
+
    # Rule files
    rule_files:
      - "/etc/prometheus/rules/*.rules"
--- a/addons/prometheus/deployment.yaml
+++ b/addons/prometheus/deployment.yaml
@ -21,7 +21,7 @@ spec:
      serviceAccountName: prometheus
      containers:
        - name: prometheus
-          image: quay.io/prometheus/prometheus:v2.28.1
+          image: quay.io/prometheus/prometheus:v2.32.1
          args:
            - --web.listen-address=0.0.0.0:9090
            - --config.file=/etc/prometheus/prometheus.yaml
--- a/addons/prometheus/discovery/kube-controller-manager.yaml
+++ b/addons/prometheus/discovery/kube-controller-manager.yaml
@ -1,11 +1,9 @@
-# Allow Prometheus to scrape service endpoints
+# Allow Prometheus to discover service endpoints
 apiVersion: v1
 kind: Service
 metadata:
  name: kube-controller-manager
  namespace: kube-system
-  annotations:
-    prometheus.io/scrape: 'true'
 spec:
  type: ClusterIP
  clusterIP: None
@ -14,5 +12,5 @@ spec:
  ports:
    - name: metrics
      protocol: TCP
-      port: 10252
-      targetPort: 10252
+      port: 10257
+      targetPort: 10257
--- a/addons/prometheus/discovery/kube-scheduler.yaml
+++ b/addons/prometheus/discovery/kube-scheduler.yaml
@ -1,11 +1,9 @@
-# Allow Prometheus to scrape service endpoints
+# Allow Prometheus to discover service endpoints
 apiVersion: v1
 kind: Service
 metadata:
  name: kube-scheduler
  namespace: kube-system
-  annotations:
-    prometheus.io/scrape: 'true'
 spec:
  type: ClusterIP
  clusterIP: None
@ -14,5 +12,5 @@ spec:
  ports:
    - name: metrics
      protocol: TCP
-      port: 10251
-      targetPort: 10251
+      port: 10259
+      targetPort: 10259
--- a/addons/prometheus/exporters/kube-state-metrics/deployment.yaml
+++ b/addons/prometheus/exporters/kube-state-metrics/deployment.yaml
@ -25,7 +25,7 @@ spec:
      serviceAccountName: kube-state-metrics
      containers:
      - name: kube-state-metrics
-        image: k8s.gcr.io/kube-state-metrics/kube-state-metrics:v2.1.0
+        image: k8s.gcr.io/kube-state-metrics/kube-state-metrics:v2.3.0
        ports:
          - name: metrics
            containerPort: 8080
--- a/addons/prometheus/exporters/node-exporter/daemonset.yaml
+++ b/addons/prometheus/exporters/node-exporter/daemonset.yaml
@ -28,7 +28,7 @@ spec:
      hostPID: true
      containers:
      - name: node-exporter
-        image: quay.io/prometheus/node-exporter:v1.2.0
+        image: quay.io/prometheus/node-exporter:v1.3.1
        args:
          - --path.procfs=/host/proc
          - --path.sysfs=/host/sys
--- a/addons/prometheus/rbac/cluster-role.yaml
+++ b/addons/prometheus/rbac/cluster-role.yaml
@ -10,6 +10,17 @@ rules:
  - services
  - endpoints
  - pods
-  verbs: ["get", "list", "watch"]
+  verbs:
+  - get
+  - list
+  - watch
 - nonResourceURLs: ["/metrics"]
  verbs: ["get"]
+- apiGroups:
+  - networking.k8s.io
+  resources:
+  - ingresses
+  verbs:
+  - get
+  - list
+  - watch
--- a/aws/fedora-coreos/kubernetes/README.md
+++ b/aws/fedora-coreos/kubernetes/README.md
@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster

 ## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>

-* Kubernetes v1.21.3 (upstream)
+* Kubernetes v1.23.2 (upstream)
 * Single or multi-master, [Calico](https://www.projectcalico.org/) or [Cilium](https://github.com/cilium/cilium) or [flannel](https://github.com/coreos/flannel) networking
 * On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/), SELinux enforcing
 * Advanced features like [worker pools](https://typhoon.psdn.io/advanced/worker-pools/), [spot](https://typhoon.psdn.io/fedora-coreos/aws/#spot) workers, and [snippets](https://typhoon.psdn.io/advanced/customization/#hosts) customization
--- a/aws/fedora-coreos/kubernetes/ami.tf
+++ b/aws/fedora-coreos/kubernetes/ami.tf
@ -1,4 +1,3 @@
-
 data "aws_ami" "fedora-coreos" {
  most_recent = true
  owners      = ["125523088429"]
@ -19,14 +18,11 @@ data "aws_ami" "fedora-coreos" {
  }
 }

-# Experimental Fedora CoreOS arm64 / aarch64 AMIs from Poseidon
-# WARNING: These AMIs will be removed when Fedora CoreOS publishes arm64 AMIs
-# and may be removed for any reason before then as well. Do not use.
 data "aws_ami" "fedora-coreos-arm" {
  count = var.arch == "arm64" ? 1 : 0

  most_recent = true
-  owners      = ["099663496933"]
+  owners      = ["125523088429"]

  filter {
    name   = "architecture"
@ -39,8 +35,7 @@ data "aws_ami" "fedora-coreos-arm" {
  }

  filter {
-    name   = "name"
-    values = ["fedora-coreos-*"]
+    name   = "description"
+    values = ["Fedora CoreOS ${var.os_stream} *"]
  }
 }
-
--- a/aws/fedora-coreos/kubernetes/bootstrap.tf
+++ b/aws/fedora-coreos/kubernetes/bootstrap.tf
@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=5746f9c221fb779def042c81ea827fed1b844f1d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=f45deec67e2fea4f06b5a3edad628b0fe0e9ec60"

  cluster_name          = var.cluster_name
  api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]
@ -13,7 +13,5 @@ module "bootstrap" {
  enable_reporting      = var.enable_reporting
  enable_aggregation    = var.enable_aggregation
  daemonset_tolerations = var.daemonset_tolerations
-
-  trusted_certs_dir = "/etc/pki/tls/certs"
 }

--- a/aws/fedora-coreos/kubernetes/controllers.tf
+++ b/aws/fedora-coreos/kubernetes/controllers.tf
@ -62,7 +62,6 @@ data "template_file" "controller-configs" {

  vars = {
    # Cannot use cyclic dependencies on controllers or their DNS records
-    etcd_arch   = var.arch == "arm64" ? "-arm64" : ""
    etcd_name   = "etcd${count.index}"
    etcd_domain = "${var.cluster_name}-etcd${count.index}.${var.dns_zone}"
    # etcd0=https://cluster-etcd0.example.com,etcd1=https://cluster-etcd1.example.com,...
--- a/aws/fedora-coreos/kubernetes/fcc/controller.yaml
+++ b/aws/fedora-coreos/kubernetes/fcc/controller.yaml
@ -1,6 +1,6 @@
 ---
 variant: fcos
-version: 1.2.0
+version: 1.4.0
 systemd:
  units:
    - name: etcd-member.service
@ -12,7 +12,7 @@ systemd:
        Wants=network-online.target network.target
        After=network-online.target
        [Service]
-        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.4.16${etcd_arch}
+        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.5.1
        Type=exec
        ExecStartPre=/bin/mkdir -p /var/lib/etcd
        ExecStartPre=-/usr/bin/podman rm etcd
@ -29,8 +29,10 @@ systemd:
        LimitNOFILE=40000
        [Install]
        WantedBy=multi-user.target
-    - name: docker.service
+    - name: containerd.service
      enabled: true
+    - name: docker.service
+      mask: true
    - name: wait-for-dns.service
      enabled: true
      contents: |
@ -54,7 +56,7 @@ systemd:
        After=afterburn.service
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        EnvironmentFile=/run/metadata/afterburn
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
@ -74,7 +76,7 @@ systemd:
          --volume /run:/run \
          --volume /sys/fs/cgroup:/sys/fs/cgroup \
          --volume /var/lib/calico:/var/lib/calico:ro \
-          --volume /var/lib/docker:/var/lib/docker \
+          --volume /var/lib/containerd:/var/lib/containerd \
          --volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
          --volume /var/log:/var/log \
          --volume /var/run/lock:/var/run/lock:z \
@ -86,17 +88,19 @@ systemd:
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
          --cgroup-driver=systemd \
          --cgroups-per-qos=true \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --enforce-node-allocatable=pods \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
          --cluster_domain=${cluster_domain_suffix} \
          --healthz-port=0 \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/controller="true" \
          --pod-manifest-path=/etc/kubernetes/manifests \
          --provider-id=aws:///$${AFTERBURN_AWS_AVAILABILITY_ZONE}/$${AFTERBURN_AWS_INSTANCE_ID} \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --register-with-taints=node-role.kubernetes.io/controller=:NoSchedule \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
@ -122,7 +126,7 @@ systemd:
            --volume /opt/bootstrap/assets:/assets:ro,Z \
            --volume /opt/bootstrap/apply:/apply:ro,Z \
            --entrypoint=/apply \
-            quay.io/poseidon/kubelet:v1.21.3
+            quay.io/poseidon/kubelet:v1.23.2
        ExecStartPost=/bin/touch /opt/bootstrap/bootstrap.done
        ExecStartPost=-/usr/bin/podman stop bootstrap
 storage:
@ -217,7 +221,26 @@ storage:
          ETCD_PEER_CERT_FILE=/etc/ssl/certs/etcd/peer.crt
          ETCD_PEER_KEY_FILE=/etc/ssl/certs/etcd/peer.key
          ETCD_PEER_CLIENT_CERT_AUTH=true
-          ETCD_UNSUPPORTED_ARCH=arm64
+    - path: /etc/fedora-coreos/iptables-legacy.stamp
+    - path: /etc/containerd/config.toml
+      overwrite: true
+      contents:
+        inline: |
+          version = 2
+          root = "/var/lib/containerd"
+          state = "/run/containerd"
+          subreaper = true
+          oom_score = -999
+          [grpc]
+          address = "/run/containerd/containerd.sock"
+          uid = 0
+          gid = 0
+          [plugins."io.containerd.grpc.v1.cri"]
+          enable_selinux = true
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
+          runtime_type = "io.containerd.runc.v2"
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
+          SystemdCgroup = true
 passwd:
  users:
    - name: core
--- a/aws/fedora-coreos/kubernetes/security.tf
+++ b/aws/fedora-coreos/kubernetes/security.tf
@ -201,8 +201,8 @@ resource "aws_security_group_rule" "controller-scheduler-metrics" {

  type                     = "ingress"
  protocol                 = "tcp"
-  from_port                = 10251
-  to_port                  = 10251
+  from_port                = 10259
+  to_port                  = 10259
  source_security_group_id = aws_security_group.worker.id
 }

@ -212,8 +212,8 @@ resource "aws_security_group_rule" "controller-manager-metrics" {

  type                     = "ingress"
  protocol                 = "tcp"
-  from_port                = 10252
-  to_port                  = 10252
+  from_port                = 10257
+  to_port                  = 10257
  source_security_group_id = aws_security_group.worker.id
 }

--- a/aws/fedora-coreos/kubernetes/ssh.tf
+++ b/aws/fedora-coreos/kubernetes/ssh.tf
@ -24,7 +24,7 @@ resource "null_resource" "copy-controller-secrets" {

  provisioner "file" {
    content     = join("\n", local.assets_bundle)
-    destination = "$HOME/assets"
+    destination = "/home/core/assets"
  }

  provisioner "remote-exec" {
--- a/aws/fedora-coreos/kubernetes/variables.tf
+++ b/aws/fedora-coreos/kubernetes/variables.tf
@ -66,8 +66,8 @@ variable "disk_type" {

 variable "disk_iops" {
  type        = number
-  description = "IOPS of the EBS volume (e.g. 100)"
-  default     = 0
+  description = "IOPS of the EBS volume (e.g. 3000)"
+  default     = 3000
 }

 variable "worker_price" {
@ -84,13 +84,13 @@ variable "worker_target_groups" {

 variable "controller_snippets" {
  type        = list(string)
-  description = "Controller Fedora CoreOS Config snippets"
+  description = "Controller Butane snippets"
  default     = []
 }

 variable "worker_snippets" {
  type        = list(string)
-  description = "Worker Fedora CoreOS Config snippets"
+  description = "Worker Butane snippets"
  default     = []
 }

@ -142,8 +142,8 @@ variable "enable_reporting" {

 variable "enable_aggregation" {
  type        = bool
-  description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
-  default     = false
+  description = "Enable the Kubernetes Aggregation Layer"
+  default     = true
 }

 variable "worker_node_labels" {
--- a/aws/fedora-coreos/kubernetes/versions.tf
+++ b/aws/fedora-coreos/kubernetes/versions.tf
@ -4,8 +4,8 @@ terraform {
  required_version = ">= 0.13.0, < 2.0.0"
  required_providers {
    aws      = ">= 2.23, <= 4.0"
-    template = "~> 2.1"
-    null     = "~> 2.1"
+    template = "~> 2.2"
+    null     = ">= 2.1"

    ct = {
      source  = "poseidon/ct"
--- a/aws/fedora-coreos/kubernetes/workers/ami.tf
+++ b/aws/fedora-coreos/kubernetes/workers/ami.tf
@ -1,4 +1,3 @@
-
 data "aws_ami" "fedora-coreos" {
  most_recent = true
  owners      = ["125523088429"]
@ -19,14 +18,11 @@ data "aws_ami" "fedora-coreos" {
  }
 }

-# Experimental Fedora CoreOS arm64 / aarch64 AMIs from Poseidon
-# WARNING: These AMIs will be removed when Fedora CoreOS publishes arm64 AMIs
-# and may be removed for any reason before then as well. Do not use.
 data "aws_ami" "fedora-coreos-arm" {
  count = var.arch == "arm64" ? 1 : 0

  most_recent = true
-  owners      = ["099663496933"]
+  owners      = ["125523088429"]

  filter {
    name   = "architecture"
@ -39,8 +35,7 @@ data "aws_ami" "fedora-coreos-arm" {
  }

  filter {
-    name   = "name"
-    values = ["fedora-coreos-*"]
+    name   = "description"
+    values = ["Fedora CoreOS ${var.os_stream} *"]
  }
 }
-
--- a/aws/fedora-coreos/kubernetes/workers/fcc/worker.yaml
+++ b/aws/fedora-coreos/kubernetes/workers/fcc/worker.yaml
@ -1,10 +1,12 @@
 ---
 variant: fcos
-version: 1.2.0
+version: 1.4.0
 systemd:
  units:
-    - name: docker.service
+    - name: containerd.service
      enabled: true
+    - name: docker.service
+      mask: true
    - name: wait-for-dns.service
      enabled: true
      contents: |
@ -27,7 +29,7 @@ systemd:
        After=afterburn.service
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        EnvironmentFile=/run/metadata/afterburn
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
@ -47,7 +49,7 @@ systemd:
          --volume /run:/run \
          --volume /sys/fs/cgroup:/sys/fs/cgroup \
          --volume /var/lib/calico:/var/lib/calico:ro \
-          --volume /var/lib/docker:/var/lib/docker \
+          --volume /var/lib/containerd:/var/lib/containerd \
          --volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
          --volume /var/log:/var/log \
          --volume /var/run/lock:/var/run/lock:z \
@ -59,13 +61,14 @@ systemd:
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
          --cgroup-driver=systemd \
          --cgroups-per-qos=true \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --enforce-node-allocatable=pods \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
          --cluster_domain=${cluster_domain_suffix} \
          --healthz-port=0 \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/node \
          %{~ for label in split(",", node_labels) ~}
          --node-labels=${label} \
@ -76,6 +79,7 @@ systemd:
          --pod-manifest-path=/etc/kubernetes/manifests \
          --provider-id=aws:///$${AFTERBURN_AWS_AVAILABILITY_ZONE}/$${AFTERBURN_AWS_INSTANCE_ID} \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
        ExecStop=-/usr/bin/podman stop kubelet
@ -90,7 +94,7 @@ systemd:
        [Unit]
        Description=Delete Kubernetes node on shutdown
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        Type=oneshot
        RemainAfterExit=true
        ExecStart=/bin/true
@ -129,9 +133,28 @@ storage:
          DefaultCPUAccounting=yes
          DefaultMemoryAccounting=yes
          DefaultBlockIOAccounting=yes
+    - path: /etc/fedora-coreos/iptables-legacy.stamp
+    - path: /etc/containerd/config.toml
+      overwrite: true
+      contents:
+        inline: |
+          version = 2
+          root = "/var/lib/containerd"
+          state = "/run/containerd"
+          subreaper = true
+          oom_score = -999
+          [grpc]
+          address = "/run/containerd/containerd.sock"
+          uid = 0
+          gid = 0
+          [plugins."io.containerd.grpc.v1.cri"]
+          enable_selinux = true
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
+          runtime_type = "io.containerd.runc.v2"
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
+          SystemdCgroup = true
 passwd:
  users:
    - name: core
      ssh_authorized_keys:
        - ${ssh_authorized_key}
-
--- a/aws/fedora-coreos/kubernetes/workers/variables.tf
+++ b/aws/fedora-coreos/kubernetes/workers/variables.tf
@ -77,7 +77,7 @@ variable "target_groups" {

 variable "snippets" {
  type        = list(string)
-  description = "Fedora CoreOS Config snippets"
+  description = "Butane snippets"
  default     = []
 }

--- a/aws/fedora-coreos/kubernetes/workers/versions.tf
+++ b/aws/fedora-coreos/kubernetes/workers/versions.tf
@ -4,7 +4,7 @@ terraform {
  required_version = ">= 0.13.0, < 2.0.0"
  required_providers {
    aws      = ">= 2.23, <= 4.0"
-    template = "~> 2.1"
+    template = "~> 2.2"

    ct = {
      source  = "poseidon/ct"
--- a/aws/flatcar-linux/kubernetes/README.md
+++ b/aws/flatcar-linux/kubernetes/README.md
@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster

 ## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>

-* Kubernetes v1.21.3 (upstream)
+* Kubernetes v1.23.2 (upstream)
 * Single or multi-master, [Calico](https://www.projectcalico.org/) or [Cilium](https://github.com/cilium/cilium) or [flannel](https://github.com/coreos/flannel) networking
 * On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/)
 * Advanced features like [worker pools](https://typhoon.psdn.io/advanced/worker-pools/), [spot](https://typhoon.psdn.io/flatcar-linux/aws/#spot) workers, and [snippets](https://typhoon.psdn.io/advanced/customization/#hosts) customization
--- a/aws/flatcar-linux/kubernetes/ami.tf
+++ b/aws/flatcar-linux/kubernetes/ami.tf
@ -1,7 +1,7 @@
 locals {
  # Pick a Flatcar Linux AMI
  # flatcar-stable -> Flatcar Linux AMI
-  ami_id  = data.aws_ami.flatcar.image_id
+  ami_id  = var.arch == "arm64" ? data.aws_ami.flatcar-arm64[0].image_id : data.aws_ami.flatcar.image_id
  channel = split("-", var.os_image)[1]
 }

@ -25,3 +25,25 @@ data "aws_ami" "flatcar" {
  }
 }

+data "aws_ami" "flatcar-arm64" {
+  count = var.arch == "arm64" ? 1 : 0
+
+  most_recent = true
+  owners      = ["075585003325"]
+
+  filter {
+    name   = "architecture"
+    values = ["arm64"]
+  }
+
+  filter {
+    name   = "virtualization-type"
+    values = ["hvm"]
+  }
+
+  filter {
+    name   = "name"
+    values = ["Flatcar-${local.channel}-*"]
+  }
+}
+
--- a/aws/flatcar-linux/kubernetes/bootstrap.tf
+++ b/aws/flatcar-linux/kubernetes/bootstrap.tf
@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=5746f9c221fb779def042c81ea827fed1b844f1d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=f45deec67e2fea4f06b5a3edad628b0fe0e9ec60"

  cluster_name          = var.cluster_name
  api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]
--- a/aws/flatcar-linux/kubernetes/cl/controller.yaml
+++ b/aws/flatcar-linux/kubernetes/cl/controller.yaml
@ -10,7 +10,7 @@ systemd:
        Requires=docker.service
        After=docker.service
        [Service]
-        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.4.16
+        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.5.1
        ExecStartPre=/usr/bin/docker run -d \
          --name etcd \
          --network host \
@ -57,7 +57,7 @@ systemd:
        After=coreos-metadata.service
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        EnvironmentFile=/run/metadata/coreos
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
@ -76,10 +76,9 @@ systemd:
          -v /usr/lib/os-release:/etc/os-release:ro \
          -v /lib/modules:/lib/modules:ro \
          -v /run:/run \
-          -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
-          -v /sys/fs/cgroup/systemd:/sys/fs/cgroup/systemd \
+          -v /sys/fs/cgroup:/sys/fs/cgroup \
          -v /var/lib/calico:/var/lib/calico:ro \
-          -v /var/lib/docker:/var/lib/docker \
+          -v /var/lib/containerd:/var/lib/containerd \
          -v /var/lib/kubelet:/var/lib/kubelet:rshared \
          -v /var/log:/var/log \
          -v /opt/cni/bin:/opt/cni/bin \
@ -88,16 +87,19 @@ systemd:
          --authentication-token-webhook \
          --authorization-mode=Webhook \
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
+          --cgroup-driver=systemd \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
          --cluster_domain=${cluster_domain_suffix} \
          --healthz-port=0 \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/controller="true" \
          --pod-manifest-path=/etc/kubernetes/manifests \
          --provider-id=aws:///$${COREOS_EC2_AVAILABILITY_ZONE}/$${COREOS_EC2_INSTANCE_ID} \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --register-with-taints=node-role.kubernetes.io/controller=:NoSchedule \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
@ -119,7 +121,7 @@ systemd:
        Type=oneshot
        RemainAfterExit=true
        WorkingDirectory=/opt/bootstrap
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStart=/usr/bin/docker run \
            -v /etc/kubernetes/pki:/etc/kubernetes/pki:ro \
            -v /opt/bootstrap/assets:/assets:ro \
--- a/aws/flatcar-linux/kubernetes/security.tf
+++ b/aws/flatcar-linux/kubernetes/security.tf
@ -201,8 +201,8 @@ resource "aws_security_group_rule" "controller-scheduler-metrics" {

  type                     = "ingress"
  protocol                 = "tcp"
-  from_port                = 10251
-  to_port                  = 10251
+  from_port                = 10259
+  to_port                  = 10259
  source_security_group_id = aws_security_group.worker.id
 }

@ -212,8 +212,8 @@ resource "aws_security_group_rule" "controller-manager-metrics" {

  type                     = "ingress"
  protocol                 = "tcp"
-  from_port                = 10252
-  to_port                  = 10252
+  from_port                = 10257
+  to_port                  = 10257
  source_security_group_id = aws_security_group.worker.id
 }

--- a/aws/flatcar-linux/kubernetes/ssh.tf
+++ b/aws/flatcar-linux/kubernetes/ssh.tf
@ -24,7 +24,7 @@ resource "null_resource" "copy-controller-secrets" {

  provisioner "file" {
    content     = join("\n", local.assets_bundle)
-    destination = "$HOME/assets"
+    destination = "/home/core/assets"
  }

  provisioner "remote-exec" {
--- a/aws/flatcar-linux/kubernetes/variables.tf
+++ b/aws/flatcar-linux/kubernetes/variables.tf
@ -66,8 +66,8 @@ variable "disk_type" {

 variable "disk_iops" {
  type        = number
-  description = "IOPS of the EBS volume (e.g. 100)"
-  default     = 0
+  description = "IOPS of the EBS volume (e.g. 3000)"
+  default     = 3000
 }

 variable "worker_price" {
@ -142,8 +142,8 @@ variable "enable_reporting" {

 variable "enable_aggregation" {
  type        = bool
-  description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
-  default     = false
+  description = "Enable the Kubernetes Aggregation Layer"
+  default     = true
 }

 variable "worker_node_labels" {
@ -160,6 +160,17 @@ variable "cluster_domain_suffix" {
  default     = "cluster.local"
 }

+variable "arch" {
+  type        = string
+  description = "Container architecture (amd64 or arm64)"
+  default     = "amd64"
+
+  validation {
+    condition     = var.arch == "amd64" || var.arch == "arm64"
+    error_message = "The arch must be amd64 or arm64."
+  }
+}
+
 variable "daemonset_tolerations" {
  type        = list(string)
  description = "List of additional taint keys kube-system DaemonSets should tolerate (e.g. ['custom-role', 'gpu-role'])"
--- a/aws/flatcar-linux/kubernetes/versions.tf
+++ b/aws/flatcar-linux/kubernetes/versions.tf
@ -4,8 +4,8 @@ terraform {
  required_version = ">= 0.13.0, < 2.0.0"
  required_providers {
    aws      = ">= 2.23, <= 4.0"
-    template = "~> 2.1"
-    null     = "~> 2.1"
+    template = "~> 2.2"
+    null     = ">= 2.1"

    ct = {
      source  = "poseidon/ct"
--- a/aws/flatcar-linux/kubernetes/workers.tf
+++ b/aws/flatcar-linux/kubernetes/workers.tf
@ -9,6 +9,7 @@ module "workers" {
  worker_count    = var.worker_count
  instance_type   = var.worker_type
  os_image        = var.os_image
+  arch            = var.arch
  disk_size       = var.disk_size
  spot_price      = var.worker_price
  target_groups   = var.worker_target_groups
--- a/aws/flatcar-linux/kubernetes/workers/ami.tf
+++ b/aws/flatcar-linux/kubernetes/workers/ami.tf
@ -1,7 +1,7 @@
 locals {
  # Pick a Flatcar Linux AMI
  # flatcar-stable -> Flatcar Linux AMI
-  ami_id  = data.aws_ami.flatcar.image_id
+  ami_id  = var.arch == "arm64" ? data.aws_ami.flatcar-arm64[0].image_id : data.aws_ami.flatcar.image_id
  channel = split("-", var.os_image)[1]
 }

@ -25,3 +25,24 @@ data "aws_ami" "flatcar" {
  }
 }

+data "aws_ami" "flatcar-arm64" {
+  count = var.arch == "arm64" ? 1 : 0
+
+  most_recent = true
+  owners      = ["075585003325"]
+
+  filter {
+    name   = "architecture"
+    values = ["arm64"]
+  }
+
+  filter {
+    name   = "virtualization-type"
+    values = ["hvm"]
+  }
+
+  filter {
+    name   = "name"
+    values = ["Flatcar-${local.channel}-*"]
+  }
+}
--- a/aws/flatcar-linux/kubernetes/workers/cl/worker.yaml
+++ b/aws/flatcar-linux/kubernetes/workers/cl/worker.yaml
@ -29,7 +29,7 @@ systemd:
        After=coreos-metadata.service
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        EnvironmentFile=/run/metadata/coreos
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
@ -51,10 +51,9 @@ systemd:
          -v /usr/lib/os-release:/etc/os-release:ro \
          -v /lib/modules:/lib/modules:ro \
          -v /run:/run \
-          -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
-          -v /sys/fs/cgroup/systemd:/sys/fs/cgroup/systemd \
+          -v /sys/fs/cgroup:/sys/fs/cgroup \
          -v /var/lib/calico:/var/lib/calico:ro \
-          -v /var/lib/docker:/var/lib/docker \
+          -v /var/lib/containerd:/var/lib/containerd \
          -v /var/lib/kubelet:/var/lib/kubelet:rshared \
          -v /var/log:/var/log \
          -v /opt/cni/bin:/opt/cni/bin \
@ -63,12 +62,14 @@ systemd:
          --authentication-token-webhook \
          --authorization-mode=Webhook \
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
+          --cgroup-driver=systemd \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
          --cluster_domain=${cluster_domain_suffix} \
          --healthz-port=0 \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/node \
          %{~ for label in split(",", node_labels) ~}
          --node-labels=${label} \
@ -79,6 +80,7 @@ systemd:
          --pod-manifest-path=/etc/kubernetes/manifests \
          --provider-id=aws:///$${COREOS_EC2_AVAILABILITY_ZONE}/$${COREOS_EC2_INSTANCE_ID} \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
        ExecStart=docker logs -f kubelet
@ -94,7 +96,7 @@ systemd:
        [Unit]
        Description=Delete Kubernetes node on shutdown
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        Type=oneshot
        RemainAfterExit=true
        ExecStart=/bin/true
--- a/aws/flatcar-linux/kubernetes/workers/variables.tf
+++ b/aws/flatcar-linux/kubernetes/workers/variables.tf
@ -119,3 +119,16 @@ variable "node_taints" {
  description = "List of initial node taints"
  default     = []
 }
+
+# unofficial, undocumented, unsupported
+
+variable "arch" {
+  type        = string
+  description = "Container architecture (amd64 or arm64)"
+  default     = "amd64"
+
+  validation {
+    condition     = var.arch == "amd64" || var.arch == "arm64"
+    error_message = "The arch must be amd64 or arm64."
+  }
+}
--- a/aws/flatcar-linux/kubernetes/workers/versions.tf
+++ b/aws/flatcar-linux/kubernetes/workers/versions.tf
@ -4,7 +4,7 @@ terraform {
  required_version = ">= 0.13.0, < 2.0.0"
  required_providers {
    aws      = ">= 2.23, <= 4.0"
-    template = "~> 2.1"
+    template = "~> 2.2"

    ct = {
      source  = "poseidon/ct"
--- a/azure/fedora-coreos/kubernetes/README.md
+++ b/azure/fedora-coreos/kubernetes/README.md
@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster

 ## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>

-* Kubernetes v1.21.3 (upstream)
+* Kubernetes v1.23.2 (upstream)
 * Single or multi-master, [Calico](https://www.projectcalico.org/) or [Cilium](https://github.com/cilium/cilium) or [flannel](https://github.com/coreos/flannel) networking
 * On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/), SELinux enforcing
 * Advanced features like [worker pools](https://typhoon.psdn.io/advanced/worker-pools/), [spot priority](https://typhoon.psdn.io/fedora-coreos/azure/#low-priority) workers, and [snippets](https://typhoon.psdn.io/advanced/customization/#hosts) customization
--- a/azure/fedora-coreos/kubernetes/bootstrap.tf
+++ b/azure/fedora-coreos/kubernetes/bootstrap.tf
@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=5746f9c221fb779def042c81ea827fed1b844f1d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=f45deec67e2fea4f06b5a3edad628b0fe0e9ec60"

  cluster_name = var.cluster_name
  api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]
@ -19,8 +19,5 @@ module "bootstrap" {
  enable_reporting      = var.enable_reporting
  enable_aggregation    = var.enable_aggregation
  daemonset_tolerations = var.daemonset_tolerations
-
-  # Fedora CoreOS
-  trusted_certs_dir = "/etc/pki/tls/certs"
 }

--- a/azure/fedora-coreos/kubernetes/fcc/controller.yaml
+++ b/azure/fedora-coreos/kubernetes/fcc/controller.yaml
@ -1,6 +1,6 @@
 ---
 variant: fcos
-version: 1.2.0
+version: 1.4.0
 systemd:
  units:
    - name: etcd-member.service
@ -12,7 +12,7 @@ systemd:
        Wants=network-online.target network.target
        After=network-online.target
        [Service]
-        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.4.16
+        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.5.1
        Type=exec
        ExecStartPre=/bin/mkdir -p /var/lib/etcd
        ExecStartPre=-/usr/bin/podman rm etcd
@ -29,8 +29,10 @@ systemd:
        LimitNOFILE=40000
        [Install]
        WantedBy=multi-user.target
-    - name: docker.service
+    - name: containerd.service
      enabled: true
+    - name: docker.service
+      mask: true
    - name: wait-for-dns.service
      enabled: true
      contents: |
@ -51,7 +53,7 @@ systemd:
        Description=Kubelet (System Container)
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
        ExecStartPre=/bin/mkdir -p /opt/cni/bin
@ -70,7 +72,7 @@ systemd:
          --volume /run:/run \
          --volume /sys/fs/cgroup:/sys/fs/cgroup \
          --volume /var/lib/calico:/var/lib/calico:ro \
-          --volume /var/lib/docker:/var/lib/docker \
+          --volume /var/lib/containerd:/var/lib/containerd \
          --volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
          --volume /var/log:/var/log \
          --volume /var/run/lock:/var/run/lock:z \
@ -82,16 +84,18 @@ systemd:
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
          --cgroup-driver=systemd \
          --cgroups-per-qos=true \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --enforce-node-allocatable=pods \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
          --cluster_domain=${cluster_domain_suffix} \
          --healthz-port=0 \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/controller="true" \
          --pod-manifest-path=/etc/kubernetes/manifests \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --register-with-taints=node-role.kubernetes.io/controller=:NoSchedule \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
@ -117,7 +121,7 @@ systemd:
            --volume /opt/bootstrap/assets:/assets:ro,Z \
            --volume /opt/bootstrap/apply:/apply:ro,Z \
            --entrypoint=/apply \
-            quay.io/poseidon/kubelet:v1.21.3
+            quay.io/poseidon/kubelet:v1.23.2
        ExecStartPost=/bin/touch /opt/bootstrap/bootstrap.done
        ExecStartPost=-/usr/bin/podman stop bootstrap
 storage:
@ -212,6 +216,26 @@ storage:
          ETCD_PEER_CERT_FILE=/etc/ssl/certs/etcd/peer.crt
          ETCD_PEER_KEY_FILE=/etc/ssl/certs/etcd/peer.key
          ETCD_PEER_CLIENT_CERT_AUTH=true
+    - path: /etc/fedora-coreos/iptables-legacy.stamp
+    - path: /etc/containerd/config.toml
+      overwrite: true
+      contents:
+        inline: |
+          version = 2
+          root = "/var/lib/containerd"
+          state = "/run/containerd"
+          subreaper = true
+          oom_score = -999
+          [grpc]
+          address = "/run/containerd/containerd.sock"
+          uid = 0
+          gid = 0
+          [plugins."io.containerd.grpc.v1.cri"]
+          enable_selinux = true
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
+          runtime_type = "io.containerd.runc.v2"
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
+          SystemdCgroup = true
 passwd:
  users:
    - name: core
--- a/azure/fedora-coreos/kubernetes/lb.tf
+++ b/azure/fedora-coreos/kubernetes/lb.tf
@ -59,11 +59,11 @@ resource "azurerm_lb_rule" "apiserver" {
  loadbalancer_id                = azurerm_lb.cluster.id
  frontend_ip_configuration_name = "apiserver"

-  protocol                = "Tcp"
-  frontend_port           = 6443
-  backend_port            = 6443
-  backend_address_pool_id = azurerm_lb_backend_address_pool.controller.id
-  probe_id                = azurerm_lb_probe.apiserver.id
+  protocol                 = "Tcp"
+  frontend_port            = 6443
+  backend_port             = 6443
+  backend_address_pool_ids = [azurerm_lb_backend_address_pool.controller.id]
+  probe_id                 = azurerm_lb_probe.apiserver.id
 }

 resource "azurerm_lb_rule" "ingress-http" {
@ -74,11 +74,11 @@ resource "azurerm_lb_rule" "ingress-http" {
  frontend_ip_configuration_name = "ingress"
  disable_outbound_snat          = true

-  protocol                = "Tcp"
-  frontend_port           = 80
-  backend_port            = 80
-  backend_address_pool_id = azurerm_lb_backend_address_pool.worker.id
-  probe_id                = azurerm_lb_probe.ingress.id
+  protocol                 = "Tcp"
+  frontend_port            = 80
+  backend_port             = 80
+  backend_address_pool_ids = [azurerm_lb_backend_address_pool.worker.id]
+  probe_id                 = azurerm_lb_probe.ingress.id
 }

 resource "azurerm_lb_rule" "ingress-https" {
@ -89,11 +89,11 @@ resource "azurerm_lb_rule" "ingress-https" {
  frontend_ip_configuration_name = "ingress"
  disable_outbound_snat          = true

-  protocol                = "Tcp"
-  frontend_port           = 443
-  backend_port            = 443
-  backend_address_pool_id = azurerm_lb_backend_address_pool.worker.id
-  probe_id                = azurerm_lb_probe.ingress.id
+  protocol                 = "Tcp"
+  frontend_port            = 443
+  backend_port             = 443
+  backend_address_pool_ids = [azurerm_lb_backend_address_pool.worker.id]
+  probe_id                 = azurerm_lb_probe.ingress.id
 }

 # Worker outbound TCP/UDP SNAT
--- a/azure/fedora-coreos/kubernetes/security.tf
+++ b/azure/fedora-coreos/kubernetes/security.tf
@ -95,7 +95,7 @@ resource "azurerm_network_security_rule" "controller-kube-metrics" {
  direction                   = "Inbound"
  protocol                    = "Tcp"
  source_port_range           = "*"
-  destination_port_range      = "10251-10252"
+  destination_port_range      = "10257-10259"
  source_address_prefix       = azurerm_subnet.worker.address_prefix
  destination_address_prefix  = azurerm_subnet.controller.address_prefix
 }
--- a/azure/fedora-coreos/kubernetes/ssh.tf
+++ b/azure/fedora-coreos/kubernetes/ssh.tf
@ -25,7 +25,7 @@ resource "null_resource" "copy-controller-secrets" {

  provisioner "file" {
    content     = join("\n", local.assets_bundle)
-    destination = "$HOME/assets"
+    destination = "/home/core/assets"
  }

  provisioner "remote-exec" {
--- a/azure/fedora-coreos/kubernetes/variables.tf
+++ b/azure/fedora-coreos/kubernetes/variables.tf
@ -65,13 +65,13 @@ variable "worker_priority" {

 variable "controller_snippets" {
  type        = list(string)
-  description = "Controller Fedora CoreOS Config snippets"
+  description = "Controller Butane snippets"
  default     = []
 }

 variable "worker_snippets" {
  type        = list(string)
-  description = "Worker Fedora CoreOS Config snippets"
+  description = "Worker Butane snippets"
  default     = []
 }

@ -117,8 +117,8 @@ variable "enable_reporting" {

 variable "enable_aggregation" {
  type        = bool
-  description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
-  default     = false
+  description = "Enable the Kubernetes Aggregation Layer"
+  default     = true
 }

 variable "worker_node_labels" {
--- a/azure/fedora-coreos/kubernetes/versions.tf
+++ b/azure/fedora-coreos/kubernetes/versions.tf
@ -4,8 +4,8 @@ terraform {
  required_version = ">= 0.13.0, < 2.0.0"
  required_providers {
    azurerm  = "~> 2.8"
-    template = "~> 2.1"
-    null     = "~> 2.1"
+    template = "~> 2.2"
+    null     = ">= 2.1"

    ct = {
      source  = "poseidon/ct"
--- a/azure/fedora-coreos/kubernetes/workers/fcc/worker.yaml
+++ b/azure/fedora-coreos/kubernetes/workers/fcc/worker.yaml
@ -1,10 +1,12 @@
 ---
 variant: fcos
-version: 1.2.0
+version: 1.4.0
 systemd:
  units:
-    - name: docker.service
+    - name: containerd.service
      enabled: true
+    - name: docker.service
+      mask: true
    - name: wait-for-dns.service
      enabled: true
      contents: |
@ -24,7 +26,7 @@ systemd:
        Description=Kubelet (System Container)
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
        ExecStartPre=/bin/mkdir -p /opt/cni/bin
@ -43,7 +45,7 @@ systemd:
          --volume /run:/run \
          --volume /sys/fs/cgroup:/sys/fs/cgroup \
          --volume /var/lib/calico:/var/lib/calico:ro \
-          --volume /var/lib/docker:/var/lib/docker \
+          --volume /var/lib/containerd:/var/lib/containerd \
          --volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
          --volume /var/log:/var/log \
          --volume /var/run/lock:/var/run/lock:z \
@ -55,13 +57,14 @@ systemd:
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
          --cgroup-driver=systemd \
          --cgroups-per-qos=true \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --enforce-node-allocatable=pods \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
          --cluster_domain=${cluster_domain_suffix} \
          --healthz-port=0 \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/node \
          %{~ for label in split(",", node_labels) ~}
          --node-labels=${label} \
@ -71,6 +74,7 @@ systemd:
          %{~ endfor ~}
          --pod-manifest-path=/etc/kubernetes/manifests \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
        ExecStop=-/usr/bin/podman stop kubelet
@ -85,7 +89,7 @@ systemd:
        [Unit]
        Description=Delete Kubernetes node on shutdown
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        Type=oneshot
        RemainAfterExit=true
        ExecStart=/bin/true
@ -124,10 +128,29 @@ storage:
          DefaultCPUAccounting=yes
          DefaultMemoryAccounting=yes
          DefaultBlockIOAccounting=yes
+    - path: /etc/fedora-coreos/iptables-legacy.stamp
+    - path: /etc/containerd/config.toml
+      overwrite: true
+      contents:
+        inline: |
+          version = 2
+          root = "/var/lib/containerd"
+          state = "/run/containerd"
+          subreaper = true
+          oom_score = -999
+          [grpc]
+          address = "/run/containerd/containerd.sock"
+          uid = 0
+          gid = 0
+          [plugins."io.containerd.grpc.v1.cri"]
+          enable_selinux = true
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
+          runtime_type = "io.containerd.runc.v2"
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
+          SystemdCgroup = true
 passwd:
  users:
    - name: core
      ssh_authorized_keys:
        - ${ssh_authorized_key}

-
--- a/azure/fedora-coreos/kubernetes/workers/variables.tf
+++ b/azure/fedora-coreos/kubernetes/workers/variables.tf
@ -57,7 +57,7 @@ variable "priority" {

 variable "snippets" {
  type        = list(string)
-  description = "Fedora CoreOS Config snippets"
+  description = "Butane snippets"
  default     = []
 }

--- a/azure/fedora-coreos/kubernetes/workers/versions.tf
+++ b/azure/fedora-coreos/kubernetes/workers/versions.tf
@ -4,7 +4,7 @@ terraform {
  required_version = ">= 0.13.0, < 2.0.0"
  required_providers {
    azurerm  = "~> 2.8"
-    template = "~> 2.1"
+    template = "~> 2.2"

    ct = {
      source  = "poseidon/ct"
--- a/azure/flatcar-linux/kubernetes/README.md
+++ b/azure/flatcar-linux/kubernetes/README.md
@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster

 ## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>

-* Kubernetes v1.21.3 (upstream)
+* Kubernetes v1.23.2 (upstream)
 * Single or multi-master, [Calico](https://www.projectcalico.org/) or [Cilium](https://github.com/cilium/cilium) or [flannel](https://github.com/coreos/flannel) networking
 * On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/)
 * Advanced features like [worker pools](https://typhoon.psdn.io/advanced/worker-pools/), [low-priority](https://typhoon.psdn.io/flatcar-linux/azure/#low-priority) workers, and [snippets](https://typhoon.psdn.io/advanced/customization/#hosts) customization
--- a/azure/flatcar-linux/kubernetes/bootstrap.tf
+++ b/azure/flatcar-linux/kubernetes/bootstrap.tf
@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=5746f9c221fb779def042c81ea827fed1b844f1d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=f45deec67e2fea4f06b5a3edad628b0fe0e9ec60"

  cluster_name = var.cluster_name
  api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]
--- a/azure/flatcar-linux/kubernetes/cl/controller.yaml
+++ b/azure/flatcar-linux/kubernetes/cl/controller.yaml
@ -10,7 +10,7 @@ systemd:
        Requires=docker.service
        After=docker.service
        [Service]
-        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.4.16
+        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.5.1
        ExecStartPre=/usr/bin/docker run -d \
          --name etcd \
          --network host \
@ -55,7 +55,7 @@ systemd:
        After=docker.service
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
        ExecStartPre=/bin/mkdir -p /opt/cni/bin
@ -73,10 +73,9 @@ systemd:
          -v /usr/lib/os-release:/etc/os-release:ro \
          -v /lib/modules:/lib/modules:ro \
          -v /run:/run \
-          -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
-          -v /sys/fs/cgroup/systemd:/sys/fs/cgroup/systemd \
+          -v /sys/fs/cgroup:/sys/fs/cgroup \
          -v /var/lib/calico:/var/lib/calico:ro \
-          -v /var/lib/docker:/var/lib/docker \
+          -v /var/lib/containerd:/var/lib/containerd \
          -v /var/lib/kubelet:/var/lib/kubelet:rshared \
          -v /var/log:/var/log \
          -v /opt/cni/bin:/opt/cni/bin \
@ -85,15 +84,18 @@ systemd:
          --authentication-token-webhook \
          --authorization-mode=Webhook \
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
+          --cgroup-driver=systemd \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
          --cluster_domain=${cluster_domain_suffix} \
          --healthz-port=0 \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/controller="true" \
          --pod-manifest-path=/etc/kubernetes/manifests \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --register-with-taints=node-role.kubernetes.io/controller=:NoSchedule \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
@ -115,7 +117,7 @@ systemd:
        Type=oneshot
        RemainAfterExit=true
        WorkingDirectory=/opt/bootstrap
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStart=/usr/bin/docker run \
            -v /etc/kubernetes/pki:/etc/kubernetes/pki:ro \
            -v /opt/bootstrap/assets:/assets:ro \
--- a/azure/flatcar-linux/kubernetes/lb.tf
+++ b/azure/flatcar-linux/kubernetes/lb.tf
@ -59,11 +59,11 @@ resource "azurerm_lb_rule" "apiserver" {
  loadbalancer_id                = azurerm_lb.cluster.id
  frontend_ip_configuration_name = "apiserver"

-  protocol                = "Tcp"
-  frontend_port           = 6443
-  backend_port            = 6443
-  backend_address_pool_id = azurerm_lb_backend_address_pool.controller.id
-  probe_id                = azurerm_lb_probe.apiserver.id
+  protocol                 = "Tcp"
+  frontend_port            = 6443
+  backend_port             = 6443
+  backend_address_pool_ids = [azurerm_lb_backend_address_pool.controller.id]
+  probe_id                 = azurerm_lb_probe.apiserver.id
 }

 resource "azurerm_lb_rule" "ingress-http" {
@ -74,11 +74,11 @@ resource "azurerm_lb_rule" "ingress-http" {
  frontend_ip_configuration_name = "ingress"
  disable_outbound_snat          = true

-  protocol                = "Tcp"
-  frontend_port           = 80
-  backend_port            = 80
-  backend_address_pool_id = azurerm_lb_backend_address_pool.worker.id
-  probe_id                = azurerm_lb_probe.ingress.id
+  protocol                 = "Tcp"
+  frontend_port            = 80
+  backend_port             = 80
+  backend_address_pool_ids = [azurerm_lb_backend_address_pool.worker.id]
+  probe_id                 = azurerm_lb_probe.ingress.id
 }

 resource "azurerm_lb_rule" "ingress-https" {
@ -89,11 +89,11 @@ resource "azurerm_lb_rule" "ingress-https" {
  frontend_ip_configuration_name = "ingress"
  disable_outbound_snat          = true

-  protocol                = "Tcp"
-  frontend_port           = 443
-  backend_port            = 443
-  backend_address_pool_id = azurerm_lb_backend_address_pool.worker.id
-  probe_id                = azurerm_lb_probe.ingress.id
+  protocol                 = "Tcp"
+  frontend_port            = 443
+  backend_port             = 443
+  backend_address_pool_ids = [azurerm_lb_backend_address_pool.worker.id]
+  probe_id                 = azurerm_lb_probe.ingress.id
 }

 # Worker outbound TCP/UDP SNAT
--- a/azure/flatcar-linux/kubernetes/security.tf
+++ b/azure/flatcar-linux/kubernetes/security.tf
@ -95,7 +95,7 @@ resource "azurerm_network_security_rule" "controller-kube-metrics" {
  direction                   = "Inbound"
  protocol                    = "Tcp"
  source_port_range           = "*"
-  destination_port_range      = "10251-10252"
+  destination_port_range      = "10257-10259"
  source_address_prefix       = azurerm_subnet.worker.address_prefix
  destination_address_prefix  = azurerm_subnet.controller.address_prefix
 }
--- a/azure/flatcar-linux/kubernetes/ssh.tf
+++ b/azure/flatcar-linux/kubernetes/ssh.tf
@ -25,7 +25,7 @@ resource "null_resource" "copy-controller-secrets" {

  provisioner "file" {
    content     = join("\n", local.assets_bundle)
-    destination = "$HOME/assets"
+    destination = "/home/core/assets"
  }

  provisioner "remote-exec" {
--- a/azure/flatcar-linux/kubernetes/variables.tf
+++ b/azure/flatcar-linux/kubernetes/variables.tf
@ -123,8 +123,8 @@ variable "enable_reporting" {

 variable "enable_aggregation" {
  type        = bool
-  description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
-  default     = false
+  description = "Enable the Kubernetes Aggregation Layer"
+  default     = true
 }

 variable "worker_node_labels" {
--- a/azure/flatcar-linux/kubernetes/versions.tf
+++ b/azure/flatcar-linux/kubernetes/versions.tf
@ -4,8 +4,8 @@ terraform {
  required_version = ">= 0.13.0, < 2.0.0"
  required_providers {
    azurerm  = "~> 2.8"
-    template = "~> 2.1"
-    null     = "~> 2.1"
+    template = "~> 2.2"
+    null     = ">= 2.1"

    ct = {
      source  = "poseidon/ct"
--- a/azure/flatcar-linux/kubernetes/workers/cl/worker.yaml
+++ b/azure/flatcar-linux/kubernetes/workers/cl/worker.yaml
@ -27,7 +27,7 @@ systemd:
        After=docker.service
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
        ExecStartPre=/bin/mkdir -p /opt/cni/bin
@ -48,10 +48,9 @@ systemd:
          -v /usr/lib/os-release:/etc/os-release:ro \
          -v /lib/modules:/lib/modules:ro \
          -v /run:/run \
-          -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
-          -v /sys/fs/cgroup/systemd:/sys/fs/cgroup/systemd \
+          -v /sys/fs/cgroup:/sys/fs/cgroup \
          -v /var/lib/calico:/var/lib/calico:ro \
-          -v /var/lib/docker:/var/lib/docker \
+          -v /var/lib/containerd:/var/lib/containerd \
          -v /var/lib/kubelet:/var/lib/kubelet:rshared \
          -v /var/log:/var/log \
          -v /opt/cni/bin:/opt/cni/bin \
@ -60,12 +59,14 @@ systemd:
          --authentication-token-webhook \
          --authorization-mode=Webhook \
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
+          --cgroup-driver=systemd \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
          --cluster_domain=${cluster_domain_suffix} \
          --healthz-port=0 \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/node \
          %{~ for label in split(",", node_labels) ~}
          --node-labels=${label} \
@ -75,6 +76,7 @@ systemd:
          %{~ endfor ~}
          --pod-manifest-path=/etc/kubernetes/manifests \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
        ExecStart=docker logs -f kubelet
@ -90,7 +92,7 @@ systemd:
        [Unit]
        Description=Delete Kubernetes node on shutdown
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        Type=oneshot
        RemainAfterExit=true
        ExecStart=/bin/true
--- a/azure/flatcar-linux/kubernetes/workers/versions.tf
+++ b/azure/flatcar-linux/kubernetes/workers/versions.tf
@ -4,7 +4,7 @@ terraform {
  required_version = ">= 0.13.0, < 2.0.0"
  required_providers {
    azurerm  = "~> 2.8"
-    template = "~> 2.1"
+    template = "~> 2.2"

    ct = {
      source  = "poseidon/ct"
--- a/bare-metal/fedora-coreos/kubernetes/README.md
+++ b/bare-metal/fedora-coreos/kubernetes/README.md
@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster

 ## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>

-* Kubernetes v1.21.3 (upstream)
+* Kubernetes v1.23.2 (upstream)
 * Single or multi-master, [Calico](https://www.projectcalico.org/) or [Cilium](https://github.com/cilium/cilium) or [flannel](https://github.com/coreos/flannel) networking
 * On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/), SELinux enforcing
 * Advanced features like [snippets](https://typhoon.psdn.io/advanced/customization/#hosts) customization
--- a/bare-metal/fedora-coreos/kubernetes/bootstrap.tf
+++ b/bare-metal/fedora-coreos/kubernetes/bootstrap.tf
@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=5746f9c221fb779def042c81ea827fed1b844f1d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=f45deec67e2fea4f06b5a3edad628b0fe0e9ec60"

  cluster_name                    = var.cluster_name
  api_servers                     = [var.k8s_domain_name]
@ -13,8 +13,6 @@ module "bootstrap" {
  cluster_domain_suffix           = var.cluster_domain_suffix
  enable_reporting                = var.enable_reporting
  enable_aggregation              = var.enable_aggregation
-
-  trusted_certs_dir = "/etc/pki/tls/certs"
 }


--- a/bare-metal/fedora-coreos/kubernetes/fcc/controller.yaml
+++ b/bare-metal/fedora-coreos/kubernetes/fcc/controller.yaml
@ -1,6 +1,6 @@
 ---
 variant: fcos
-version: 1.2.0
+version: 1.4.0
 systemd:
  units:
    - name: etcd-member.service
@ -12,7 +12,7 @@ systemd:
        Wants=network-online.target network.target
        After=network-online.target
        [Service]
-        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.4.16
+        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.5.1
        Type=exec
        ExecStartPre=/bin/mkdir -p /var/lib/etcd
        ExecStartPre=-/usr/bin/podman rm etcd
@ -29,8 +29,10 @@ systemd:
        LimitNOFILE=40000
        [Install]
        WantedBy=multi-user.target
-    - name: docker.service
+    - name: containerd.service
      enabled: true
+    - name: docker.service
+      mask: true
    - name: wait-for-dns.service
      enabled: true
      contents: |
@ -50,7 +52,7 @@ systemd:
        Description=Kubelet (System Container)
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
        ExecStartPre=/bin/mkdir -p /opt/cni/bin
@ -69,7 +71,7 @@ systemd:
          --volume /run:/run \
          --volume /sys/fs/cgroup:/sys/fs/cgroup \
          --volume /var/lib/calico:/var/lib/calico:ro \
-          --volume /var/lib/docker:/var/lib/docker \
+          --volume /var/lib/containerd:/var/lib/containerd \
          --volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
          --volume /var/log:/var/log \
          --volume /var/run/lock:/var/run/lock:z \
@ -81,6 +83,8 @@ systemd:
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
          --cgroup-driver=systemd \
          --cgroups-per-qos=true \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --enforce-node-allocatable=pods \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
@ -88,10 +92,10 @@ systemd:
          --healthz-port=0 \
          --hostname-override=${domain_name} \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/controller="true" \
          --pod-manifest-path=/etc/kubernetes/manifests \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --register-with-taints=node-role.kubernetes.io/controller=:NoSchedule \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
@ -119,7 +123,7 @@ systemd:
        Type=oneshot
        RemainAfterExit=true
        WorkingDirectory=/opt/bootstrap
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStartPre=-/usr/bin/podman rm bootstrap
        ExecStart=/usr/bin/podman run --name bootstrap \
            --network host \
@ -222,6 +226,26 @@ storage:
          ETCD_PEER_CERT_FILE=/etc/ssl/certs/etcd/peer.crt
          ETCD_PEER_KEY_FILE=/etc/ssl/certs/etcd/peer.key
          ETCD_PEER_CLIENT_CERT_AUTH=true
+    - path: /etc/fedora-coreos/iptables-legacy.stamp
+    - path: /etc/containerd/config.toml
+      overwrite: true
+      contents:
+        inline: |
+          version = 2
+          root = "/var/lib/containerd"
+          state = "/run/containerd"
+          subreaper = true
+          oom_score = -999
+          [grpc]
+          address = "/run/containerd/containerd.sock"
+          uid = 0
+          gid = 0
+          [plugins."io.containerd.grpc.v1.cri"]
+          enable_selinux = true
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
+          runtime_type = "io.containerd.runc.v2"
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
+          SystemdCgroup = true
 passwd:
  users:
    - name: core
--- a/bare-metal/fedora-coreos/kubernetes/fcc/worker.yaml
+++ b/bare-metal/fedora-coreos/kubernetes/fcc/worker.yaml
@ -1,10 +1,12 @@
 ---
 variant: fcos
-version: 1.2.0
+version: 1.4.0
 systemd:
  units:
-    - name: docker.service
+    - name: containerd.service
      enabled: true
+    - name: docker.service
+      mask: true
    - name: wait-for-dns.service
      enabled: true
      contents: |
@ -23,7 +25,7 @@ systemd:
        Description=Kubelet (System Container)
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
        ExecStartPre=/bin/mkdir -p /opt/cni/bin
@ -42,7 +44,7 @@ systemd:
          --volume /run:/run \
          --volume /sys/fs/cgroup:/sys/fs/cgroup \
          --volume /var/lib/calico:/var/lib/calico:ro \
-          --volume /var/lib/docker:/var/lib/docker \
+          --volume /var/lib/containerd:/var/lib/containerd \
          --volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
          --volume /var/log:/var/log \
          --volume /var/run/lock:/var/run/lock:z \
@ -54,6 +56,8 @@ systemd:
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
          --cgroup-driver=systemd \
          --cgroups-per-qos=true \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --enforce-node-allocatable=pods \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
@ -61,7 +65,6 @@ systemd:
          --healthz-port=0 \
          --hostname-override=${domain_name} \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/node \
          %{~ for label in compact(split(",", node_labels)) ~}
          --node-labels=${label} \
@ -71,6 +74,7 @@ systemd:
          %{~ endfor ~}
          --pod-manifest-path=/etc/kubernetes/manifests \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
        ExecStop=-/usr/bin/podman stop kubelet
@ -120,6 +124,26 @@ storage:
          DefaultCPUAccounting=yes
          DefaultMemoryAccounting=yes
          DefaultBlockIOAccounting=yes
+    - path: /etc/fedora-coreos/iptables-legacy.stamp
+    - path: /etc/containerd/config.toml
+      overwrite: true
+      contents:
+        inline: |
+          version = 2
+          root = "/var/lib/containerd"
+          state = "/run/containerd"
+          subreaper = true
+          oom_score = -999
+          [grpc]
+          address = "/run/containerd/containerd.sock"
+          uid = 0
+          gid = 0
+          [plugins."io.containerd.grpc.v1.cri"]
+          enable_selinux = true
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
+          runtime_type = "io.containerd.runc.v2"
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
+          SystemdCgroup = true
 passwd:
  users:
    - name: core
--- a/bare-metal/fedora-coreos/kubernetes/profiles.tf
+++ b/bare-metal/fedora-coreos/kubernetes/profiles.tf
@ -44,7 +44,7 @@ resource "matchbox_profile" "controllers" {

  kernel = local.kernel
  initrd = local.initrd
-  args = concat(local.args, var.kernel_args)
+  args   = concat(local.args, var.kernel_args)

  raw_ignition = data.ct_config.controller-ignitions.*.rendered[count.index]
 }
@ -78,7 +78,7 @@ resource "matchbox_profile" "workers" {

  kernel = local.kernel
  initrd = local.initrd
-  args = concat(local.args, var.kernel_args)
+  args   = concat(local.args, var.kernel_args)

  raw_ignition = data.ct_config.worker-ignitions.*.rendered[count.index]
 }
--- a/bare-metal/fedora-coreos/kubernetes/ssh.tf
+++ b/bare-metal/fedora-coreos/kubernetes/ssh.tf
@ -28,17 +28,17 @@ resource "null_resource" "copy-controller-secrets" {

  provisioner "file" {
    content     = module.bootstrap.kubeconfig-kubelet
-    destination = "$HOME/kubeconfig"
+    destination = "/home/core/kubeconfig"
  }

  provisioner "file" {
    content     = join("\n", local.assets_bundle)
-    destination = "$HOME/assets"
+    destination = "/home/core/assets"
  }

  provisioner "remote-exec" {
    inline = [
-      "sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
+      "sudo mv /home/core/kubeconfig /etc/kubernetes/kubeconfig",
      "sudo touch /etc/kubernetes",
      "sudo /opt/bootstrap/layout",
    ]
@ -65,12 +65,12 @@ resource "null_resource" "copy-worker-secrets" {

  provisioner "file" {
    content     = module.bootstrap.kubeconfig-kubelet
-    destination = "$HOME/kubeconfig"
+    destination = "/home/core/kubeconfig"
  }

  provisioner "remote-exec" {
    inline = [
-      "sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
+      "sudo mv /home/core/kubeconfig /etc/kubernetes/kubeconfig",
      "sudo touch /etc/kubernetes",
    ]
  }
--- a/bare-metal/fedora-coreos/kubernetes/variables.tf
+++ b/bare-metal/fedora-coreos/kubernetes/variables.tf
@ -57,7 +57,7 @@ EOD

 variable "snippets" {
  type        = map(list(string))
-  description = "Map from machine names to lists of Fedora CoreOS Config snippets"
+  description = "Map from machine names to lists of Butane snippets"
  default     = {}
 }

@ -146,8 +146,8 @@ variable "enable_reporting" {

 variable "enable_aggregation" {
  type        = bool
-  description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
-  default     = false
+  description = "Enable the Kubernetes Aggregation Layer"
+  default     = true
 }

 # unofficial, undocumented, unsupported
--- a/bare-metal/fedora-coreos/kubernetes/versions.tf
+++ b/bare-metal/fedora-coreos/kubernetes/versions.tf
@ -3,8 +3,8 @@
 terraform {
  required_version = ">= 0.13.0, < 2.0.0"
  required_providers {
-    template = "~> 2.1"
-    null     = "~> 2.1"
+    template = "~> 2.2"
+    null     = ">= 2.1"

    ct = {
      source  = "poseidon/ct"
@ -13,7 +13,7 @@ terraform {

    matchbox = {
      source  = "poseidon/matchbox"
-      version = "~> 0.4.1"
+      version = "~> 0.5.0"
    }
  }
 }
--- a/bare-metal/flatcar-linux/kubernetes/README.md
+++ b/bare-metal/flatcar-linux/kubernetes/README.md
@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster

 ## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>

-* Kubernetes v1.21.3 (upstream)
+* Kubernetes v1.23.2 (upstream)
 * Single or multi-master, [Calico](https://www.projectcalico.org/) or [Cilium](https://github.com/cilium/cilium) or [flannel](https://github.com/coreos/flannel) networking
 * On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/)
 * Advanced features like [snippets](https://typhoon.psdn.io/advanced/customization/#hosts) customization
--- a/bare-metal/flatcar-linux/kubernetes/bootstrap.tf
+++ b/bare-metal/flatcar-linux/kubernetes/bootstrap.tf
@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=5746f9c221fb779def042c81ea827fed1b844f1d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=f45deec67e2fea4f06b5a3edad628b0fe0e9ec60"

  cluster_name                    = var.cluster_name
  api_servers                     = [var.k8s_domain_name]
--- a/bare-metal/flatcar-linux/kubernetes/cl/controller.yaml
+++ b/bare-metal/flatcar-linux/kubernetes/cl/controller.yaml
@ -10,7 +10,7 @@ systemd:
        Requires=docker.service
        After=docker.service
        [Service]
-        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.4.16
+        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.5.1
        ExecStartPre=/usr/bin/docker run -d \
          --name etcd \
          --network host \
@ -63,7 +63,7 @@ systemd:
        After=docker.service
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
        ExecStartPre=/bin/mkdir -p /opt/cni/bin
@ -81,10 +81,9 @@ systemd:
          -v /usr/lib/os-release:/etc/os-release:ro \
          -v /lib/modules:/lib/modules:ro \
          -v /run:/run \
-          -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
-          -v /sys/fs/cgroup/systemd:/sys/fs/cgroup/systemd \
+          -v /sys/fs/cgroup:/sys/fs/cgroup \
          -v /var/lib/calico:/var/lib/calico:ro \
-          -v /var/lib/docker:/var/lib/docker \
+          -v /var/lib/containerd:/var/lib/containerd \
          -v /var/lib/kubelet:/var/lib/kubelet:rshared \
          -v /var/log:/var/log \
          -v /opt/cni/bin:/opt/cni/bin \
@ -93,16 +92,19 @@ systemd:
          --authentication-token-webhook \
          --authorization-mode=Webhook \
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
+          --cgroup-driver=systemd \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
          --cluster_domain=${cluster_domain_suffix} \
          --healthz-port=0 \
          --hostname-override=${domain_name} \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/controller="true" \
          --pod-manifest-path=/etc/kubernetes/manifests \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --register-with-taints=node-role.kubernetes.io/controller=:NoSchedule \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
@ -124,7 +126,7 @@ systemd:
        Type=oneshot
        RemainAfterExit=true
        WorkingDirectory=/opt/bootstrap
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStart=/usr/bin/docker run \
            -v /etc/kubernetes/pki:/etc/kubernetes/pki:ro \
            -v /opt/bootstrap/assets:/assets:ro \
--- a/bare-metal/flatcar-linux/kubernetes/cl/worker.yaml
+++ b/bare-metal/flatcar-linux/kubernetes/cl/worker.yaml
@ -35,7 +35,7 @@ systemd:
        After=docker.service
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
        ExecStartPre=/bin/mkdir -p /opt/cni/bin
@ -56,10 +56,9 @@ systemd:
          -v /usr/lib/os-release:/etc/os-release:ro \
          -v /lib/modules:/lib/modules:ro \
          -v /run:/run \
-          -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
-          -v /sys/fs/cgroup/systemd:/sys/fs/cgroup/systemd \
+          -v /sys/fs/cgroup:/sys/fs/cgroup \
          -v /var/lib/calico:/var/lib/calico:ro \
-          -v /var/lib/docker:/var/lib/docker \
+          -v /var/lib/containerd:/var/lib/containerd \
          -v /var/lib/kubelet:/var/lib/kubelet:rshared \
          -v /var/log:/var/log \
          -v /opt/cni/bin:/opt/cni/bin \
@ -68,13 +67,15 @@ systemd:
          --authentication-token-webhook \
          --authorization-mode=Webhook \
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
+          --cgroup-driver=systemd \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
          --cluster_domain=${cluster_domain_suffix} \
          --healthz-port=0 \
          --hostname-override=${domain_name} \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/node \
          %{~ for label in compact(split(",", node_labels)) ~}
          --node-labels=${label} \
@ -84,6 +85,7 @@ systemd:
          %{~ endfor ~}
          --pod-manifest-path=/etc/kubernetes/manifests \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
        ExecStart=docker logs -f kubelet
--- a/bare-metal/flatcar-linux/kubernetes/ssh.tf
+++ b/bare-metal/flatcar-linux/kubernetes/ssh.tf
@ -29,17 +29,17 @@ resource "null_resource" "copy-controller-secrets" {

  provisioner "file" {
    content     = module.bootstrap.kubeconfig-kubelet
-    destination = "$HOME/kubeconfig"
+    destination = "/home/core/kubeconfig"
  }

  provisioner "file" {
    content     = join("\n", local.assets_bundle)
-    destination = "$HOME/assets"
+    destination = "/home/core/assets"
  }

  provisioner "remote-exec" {
    inline = [
-      "sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
+      "sudo mv /home/core/kubeconfig /etc/kubernetes/kubeconfig",
      "sudo /opt/bootstrap/layout",
    ]
  }
@ -66,12 +66,12 @@ resource "null_resource" "copy-worker-secrets" {

  provisioner "file" {
    content     = module.bootstrap.kubeconfig-kubelet
-    destination = "$HOME/kubeconfig"
+    destination = "/home/core/kubeconfig"
  }

  provisioner "remote-exec" {
    inline = [
-      "sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
+      "sudo mv /home/core/kubeconfig /etc/kubernetes/kubeconfig",
    ]
  }
 }
--- a/bare-metal/flatcar-linux/kubernetes/variables.tf
+++ b/bare-metal/flatcar-linux/kubernetes/variables.tf
@ -151,8 +151,8 @@ variable "enable_reporting" {

 variable "enable_aggregation" {
  type        = bool
-  description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
-  default     = false
+  description = "Enable the Kubernetes Aggregation Layer"
+  default     = true
 }

 # unofficial, undocumented, unsupported
--- a/bare-metal/flatcar-linux/kubernetes/versions.tf
+++ b/bare-metal/flatcar-linux/kubernetes/versions.tf
@ -3,8 +3,8 @@
 terraform {
  required_version = ">= 0.13.0, < 2.0.0"
  required_providers {
-    template = "~> 2.1"
-    null     = "~> 2.1"
+    template = "~> 2.2"
+    null     = ">= 2.1"

    ct = {
      source  = "poseidon/ct"
@ -13,7 +13,7 @@ terraform {

    matchbox = {
      source  = "poseidon/matchbox"
-      version = "~> 0.4.1"
+      version = "~> 0.5.0"
    }
  }
 }
--- a/digital-ocean/fedora-coreos/kubernetes/README.md
+++ b/digital-ocean/fedora-coreos/kubernetes/README.md
@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster

 ## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>

-* Kubernetes v1.21.3 (upstream)
+* Kubernetes v1.23.2 (upstream)
 * Single or multi-master, [Calico](https://www.projectcalico.org/) or [flannel](https://github.com/coreos/flannel) networking
 * On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/), SELinux enforcing
 * Advanced features like [snippets](https://typhoon.psdn.io/advanced/customization/#hosts) customization
--- a/digital-ocean/fedora-coreos/kubernetes/bootstrap.tf
+++ b/digital-ocean/fedora-coreos/kubernetes/bootstrap.tf
@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=5746f9c221fb779def042c81ea827fed1b844f1d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=f45deec67e2fea4f06b5a3edad628b0fe0e9ec60"

  cluster_name = var.cluster_name
  api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]
@ -17,8 +17,5 @@ module "bootstrap" {
  cluster_domain_suffix = var.cluster_domain_suffix
  enable_reporting      = var.enable_reporting
  enable_aggregation    = var.enable_aggregation
-
-  # Fedora CoreOS
-  trusted_certs_dir = "/etc/pki/tls/certs"
 }

--- a/digital-ocean/fedora-coreos/kubernetes/controllers.tf
+++ b/digital-ocean/fedora-coreos/kubernetes/controllers.tf
@ -41,7 +41,6 @@ resource "digitalocean_droplet" "controllers" {
  size  = var.controller_type

  # network
-  private_networking = true
  vpc_uuid           = digitalocean_vpc.network.id
  # TODO: Only official DigitalOcean images support IPv6
  ipv6 = false
--- a/digital-ocean/fedora-coreos/kubernetes/fcc/controller.yaml
+++ b/digital-ocean/fedora-coreos/kubernetes/fcc/controller.yaml
@ -1,6 +1,6 @@
 ---
 variant: fcos
-version: 1.2.0
+version: 1.4.0
 systemd:
  units:
    - name: etcd-member.service
@ -12,7 +12,7 @@ systemd:
        Wants=network-online.target network.target
        After=network-online.target
        [Service]
-        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.4.16
+        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.5.1
        Type=exec
        ExecStartPre=/bin/mkdir -p /var/lib/etcd
        ExecStartPre=-/usr/bin/podman rm etcd
@ -29,8 +29,10 @@ systemd:
        LimitNOFILE=40000
        [Install]
        WantedBy=multi-user.target
-    - name: docker.service
+    - name: containerd.service
      enabled: true
+    - name: docker.service
+      mask: true
    - name: wait-for-dns.service
      enabled: true
      contents: |
@ -52,7 +54,7 @@ systemd:
        After=afterburn.service
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        EnvironmentFile=/run/metadata/afterburn
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
@ -72,7 +74,7 @@ systemd:
          --volume /run:/run \
          --volume /sys/fs/cgroup:/sys/fs/cgroup \
          --volume /var/lib/calico:/var/lib/calico:ro \
-          --volume /var/lib/docker:/var/lib/docker \
+          --volume /var/lib/containerd:/var/lib/containerd \
          --volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
          --volume /var/log:/var/log \
          --volume /var/run/lock:/var/run/lock:z \
@ -84,6 +86,8 @@ systemd:
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
          --cgroup-driver=systemd \
          --cgroups-per-qos=true \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --enforce-node-allocatable=pods \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
@ -91,10 +95,10 @@ systemd:
          --healthz-port=0 \
          --hostname-override=$${AFTERBURN_DIGITALOCEAN_IPV4_PRIVATE_0} \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/controller="true" \
          --pod-manifest-path=/etc/kubernetes/manifests \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --register-with-taints=node-role.kubernetes.io/controller=:NoSchedule \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
@ -129,7 +133,7 @@ systemd:
            --volume /opt/bootstrap/assets:/assets:ro,Z \
            --volume /opt/bootstrap/apply:/apply:ro,Z \
            --entrypoint=/apply \
-            quay.io/poseidon/kubelet:v1.21.3
+            quay.io/poseidon/kubelet:v1.23.2
        ExecStartPost=/bin/touch /opt/bootstrap/bootstrap.done
        ExecStartPost=-/usr/bin/podman stop bootstrap
 storage:
@ -219,3 +223,24 @@ storage:
          ETCD_PEER_CERT_FILE=/etc/ssl/certs/etcd/peer.crt
          ETCD_PEER_KEY_FILE=/etc/ssl/certs/etcd/peer.key
          ETCD_PEER_CLIENT_CERT_AUTH=true
+    - path: /etc/fedora-coreos/iptables-legacy.stamp
+    - path: /etc/containerd/config.toml
+      overwrite: true
+      contents:
+        inline: |
+          version = 2
+          root = "/var/lib/containerd"
+          state = "/run/containerd"
+          subreaper = true
+          oom_score = -999
+          [grpc]
+          address = "/run/containerd/containerd.sock"
+          uid = 0
+          gid = 0
+          [plugins."io.containerd.grpc.v1.cri"]
+          enable_selinux = true
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
+          runtime_type = "io.containerd.runc.v2"
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
+          SystemdCgroup = true
+
--- a/digital-ocean/fedora-coreos/kubernetes/fcc/worker.yaml
+++ b/digital-ocean/fedora-coreos/kubernetes/fcc/worker.yaml
@ -1,10 +1,12 @@
 ---
 variant: fcos
-version: 1.2.0
+version: 1.4.0
 systemd:
  units:
-    - name: docker.service
+    - name: containerd.service
      enabled: true
+    - name: docker.service
+      mask: true
    - name: wait-for-dns.service
      enabled: true
      contents: |
@ -26,7 +28,7 @@ systemd:
        After=afterburn.service
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        EnvironmentFile=/run/metadata/afterburn
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
@ -46,7 +48,7 @@ systemd:
          --volume /run:/run \
          --volume /sys/fs/cgroup:/sys/fs/cgroup \
          --volume /var/lib/calico:/var/lib/calico:ro \
-          --volume /var/lib/docker:/var/lib/docker \
+          --volume /var/lib/containerd:/var/lib/containerd \
          --volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
          --volume /var/log:/var/log \
          --volume /var/run/lock:/var/run/lock:z \
@ -58,6 +60,8 @@ systemd:
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
          --cgroup-driver=systemd \
          --cgroups-per-qos=true \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --enforce-node-allocatable=pods \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
@ -65,10 +69,10 @@ systemd:
          --healthz-port=0 \
          --hostname-override=$${AFTERBURN_DIGITALOCEAN_IPV4_PRIVATE_0} \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/node \
          --pod-manifest-path=/etc/kubernetes/manifests \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
        ExecStop=-/usr/bin/podman stop kubelet
@ -92,7 +96,7 @@ systemd:
        [Unit]
        Description=Delete Kubernetes node on shutdown
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        Type=oneshot
        RemainAfterExit=true
        ExecStart=/bin/true
@ -126,3 +130,23 @@ storage:
          DefaultCPUAccounting=yes
          DefaultMemoryAccounting=yes
          DefaultBlockIOAccounting=yes
+    - path: /etc/fedora-coreos/iptables-legacy.stamp
+    - path: /etc/containerd/config.toml
+      overwrite: true
+      contents:
+        inline: |
+          version = 2
+          root = "/var/lib/containerd"
+          state = "/run/containerd"
+          subreaper = true
+          oom_score = -999
+          [grpc]
+          address = "/run/containerd/containerd.sock"
+          uid = 0
+          gid = 0
+          [plugins."io.containerd.grpc.v1.cri"]
+          enable_selinux = true
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
+          runtime_type = "io.containerd.runc.v2"
+          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
+          SystemdCgroup = true
--- a/digital-ocean/fedora-coreos/kubernetes/network.tf
+++ b/digital-ocean/fedora-coreos/kubernetes/network.tf
@ -116,7 +116,7 @@ resource "digitalocean_firewall" "controllers" {
  # kube-scheduler metrics, kube-controller-manager metrics
  inbound_rule {
    protocol    = "tcp"
-    port_range  = "10251-10252"
+    port_range  = "10257-10259"
    source_tags = [digitalocean_tag.workers.name]
  }
 }
--- a/digital-ocean/fedora-coreos/kubernetes/ssh.tf
+++ b/digital-ocean/fedora-coreos/kubernetes/ssh.tf
@ -25,17 +25,17 @@ resource "null_resource" "copy-controller-secrets" {

  provisioner "file" {
    content     = module.bootstrap.kubeconfig-kubelet
-    destination = "$HOME/kubeconfig"
+    destination = "/home/core/kubeconfig"
  }

  provisioner "file" {
    content     = join("\n", local.assets_bundle)
-    destination = "$HOME/assets"
+    destination = "/home/core/assets"
  }

  provisioner "remote-exec" {
    inline = [
-      "sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
+      "sudo mv /home/core/kubeconfig /etc/kubernetes/kubeconfig",
      "sudo touch /etc/kubernetes",
      "sudo /opt/bootstrap/layout",
    ]
@ -55,12 +55,12 @@ resource "null_resource" "copy-worker-secrets" {

  provisioner "file" {
    content     = module.bootstrap.kubeconfig-kubelet
-    destination = "$HOME/kubeconfig"
+    destination = "/home/core/kubeconfig"
  }

  provisioner "remote-exec" {
    inline = [
-      "sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
+      "sudo mv /home/core/kubeconfig /etc/kubernetes/kubeconfig",
      "sudo touch /etc/kubernetes",
    ]
  }
--- a/digital-ocean/fedora-coreos/kubernetes/variables.tf
+++ b/digital-ocean/fedora-coreos/kubernetes/variables.tf
@ -48,13 +48,13 @@ variable "os_image" {

 variable "controller_snippets" {
  type        = list(string)
-  description = "Controller Fedora CoreOS Config snippets"
+  description = "Controller Butane snippets"
  default     = []
 }

 variable "worker_snippets" {
  type        = list(string)
-  description = "Worker Fedora CoreOS Config snippets"
+  description = "Worker Butane snippets"
  default     = []
 }

@ -94,8 +94,8 @@ variable "enable_reporting" {

 variable "enable_aggregation" {
  type        = bool
-  description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
-  default     = false
+  description = "Enable the Kubernetes Aggregation Layer"
+  default     = true
 }

 # unofficial, undocumented, unsupported
--- a/digital-ocean/fedora-coreos/kubernetes/versions.tf
+++ b/digital-ocean/fedora-coreos/kubernetes/versions.tf
@ -3,8 +3,8 @@
 terraform {
  required_version = ">= 0.13.0, < 2.0.0"
  required_providers {
-    template = "~> 2.1"
-    null     = "~> 2.1"
+    template = "~> 2.2"
+    null     = ">= 2.1"

    ct = {
      source  = "poseidon/ct"
@ -13,7 +13,7 @@ terraform {

    digitalocean = {
      source  = "digitalocean/digitalocean"
-      version = "~> 1.20"
+      version = ">= 2.12, < 3.0"
    }
  }
 }
--- a/digital-ocean/fedora-coreos/kubernetes/workers.tf
+++ b/digital-ocean/fedora-coreos/kubernetes/workers.tf
@ -37,7 +37,6 @@ resource "digitalocean_droplet" "workers" {
  size  = var.worker_type

  # network
-  private_networking = true
  vpc_uuid           = digitalocean_vpc.network.id
  # TODO: Only official DigitalOcean images support IPv6
  ipv6 = false
--- a/digital-ocean/flatcar-linux/kubernetes/README.md
+++ b/digital-ocean/flatcar-linux/kubernetes/README.md
@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster

 ## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>

-* Kubernetes v1.21.3 (upstream)
+* Kubernetes v1.23.2 (upstream)
 * Single or multi-master, [Calico](https://www.projectcalico.org/) or [Cilium](https://github.com/cilium/cilium) or [flannel](https://github.com/coreos/flannel) networking
 * On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/)
 * Advanced features like [snippets](https://typhoon.psdn.io/advanced/customization/#hosts) customization
--- a/digital-ocean/flatcar-linux/kubernetes/bootstrap.tf
+++ b/digital-ocean/flatcar-linux/kubernetes/bootstrap.tf
@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=5746f9c221fb779def042c81ea827fed1b844f1d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=f45deec67e2fea4f06b5a3edad628b0fe0e9ec60"

  cluster_name = var.cluster_name
  api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]
--- a/digital-ocean/flatcar-linux/kubernetes/cl/controller.yaml
+++ b/digital-ocean/flatcar-linux/kubernetes/cl/controller.yaml
@ -10,7 +10,7 @@ systemd:
        Requires=docker.service
        After=docker.service
        [Service]
-        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.4.16
+        Environment=ETCD_IMAGE=quay.io/coreos/etcd:v3.5.1
        ExecStartPre=/usr/bin/docker run -d \
          --name etcd \
          --network host \
@ -65,7 +65,7 @@ systemd:
        After=coreos-metadata.service
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        EnvironmentFile=/run/metadata/coreos
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
@ -84,10 +84,9 @@ systemd:
          -v /usr/lib/os-release:/etc/os-release:ro \
          -v /lib/modules:/lib/modules:ro \
          -v /run:/run \
-          -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
-          -v /sys/fs/cgroup/systemd:/sys/fs/cgroup/systemd \
+          -v /sys/fs/cgroup:/sys/fs/cgroup \
          -v /var/lib/calico:/var/lib/calico:ro \
-          -v /var/lib/docker:/var/lib/docker \
+          -v /var/lib/containerd:/var/lib/containerd \
          -v /var/lib/kubelet:/var/lib/kubelet:rshared \
          -v /var/log:/var/log \
          -v /opt/cni/bin:/opt/cni/bin \
@ -96,16 +95,19 @@ systemd:
          --authentication-token-webhook \
          --authorization-mode=Webhook \
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
+          --cgroup-driver=systemd \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
          --cluster_domain=${cluster_domain_suffix} \
          --healthz-port=0 \
          --hostname-override=$${COREOS_DIGITALOCEAN_IPV4_PRIVATE_0} \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/controller="true" \
          --pod-manifest-path=/etc/kubernetes/manifests \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --register-with-taints=node-role.kubernetes.io/controller=:NoSchedule \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
@ -127,7 +129,7 @@ systemd:
        Type=oneshot
        RemainAfterExit=true
        WorkingDirectory=/opt/bootstrap
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        ExecStart=/usr/bin/docker run \
            -v /etc/kubernetes/pki:/etc/kubernetes/pki:ro \
            -v /opt/bootstrap/assets:/assets:ro \
--- a/digital-ocean/flatcar-linux/kubernetes/cl/worker.yaml
+++ b/digital-ocean/flatcar-linux/kubernetes/cl/worker.yaml
@ -37,7 +37,7 @@ systemd:
        After=coreos-metadata.service
        Wants=rpc-statd.service
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        EnvironmentFile=/run/metadata/coreos
        ExecStartPre=/bin/mkdir -p /etc/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
@ -59,10 +59,9 @@ systemd:
          -v /usr/lib/os-release:/etc/os-release:ro \
          -v /lib/modules:/lib/modules:ro \
          -v /run:/run \
-          -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
-          -v /sys/fs/cgroup/systemd:/sys/fs/cgroup/systemd \
+          -v /sys/fs/cgroup:/sys/fs/cgroup \
          -v /var/lib/calico:/var/lib/calico:ro \
-          -v /var/lib/docker:/var/lib/docker \
+          -v /var/lib/containerd:/var/lib/containerd \
          -v /var/lib/kubelet:/var/lib/kubelet:rshared \
          -v /var/log:/var/log \
          -v /opt/cni/bin:/opt/cni/bin \
@ -71,16 +70,19 @@ systemd:
          --authentication-token-webhook \
          --authorization-mode=Webhook \
          --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
+          --cgroup-driver=systemd \
+          --container-runtime=remote \
+          --container-runtime-endpoint=unix:///run/containerd/containerd.sock \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${cluster_dns_service_ip} \
          --cluster_domain=${cluster_domain_suffix} \
          --healthz-port=0 \
          --hostname-override=$${COREOS_DIGITALOCEAN_IPV4_PRIVATE_0} \
          --kubeconfig=/var/lib/kubelet/kubeconfig \
-          --network-plugin=cni \
          --node-labels=node.kubernetes.io/node \
          --pod-manifest-path=/etc/kubernetes/manifests \
          --read-only-port=0 \
+          --resolv-conf=/run/systemd/resolve/resolv.conf \
          --rotate-certificates \
          --volume-plugin-dir=/var/lib/kubelet/volumeplugins
        ExecStart=docker logs -f kubelet
@ -96,7 +98,7 @@ systemd:
        [Unit]
        Description=Delete Kubernetes node on shutdown
        [Service]
-        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.21.3
+        Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.23.2
        Type=oneshot
        RemainAfterExit=true
        ExecStart=/bin/true
--- a/digital-ocean/flatcar-linux/kubernetes/controllers.tf
+++ b/digital-ocean/flatcar-linux/kubernetes/controllers.tf
@ -46,7 +46,6 @@ resource "digitalocean_droplet" "controllers" {
  size  = var.controller_type

  # network
-  private_networking = true
  vpc_uuid           = digitalocean_vpc.network.id
  # TODO: Only official DigitalOcean images support IPv6
  ipv6 = false
--- a/digital-ocean/flatcar-linux/kubernetes/network.tf
+++ b/digital-ocean/flatcar-linux/kubernetes/network.tf
@ -116,7 +116,7 @@ resource "digitalocean_firewall" "controllers" {
  # kube-scheduler metrics, kube-controller-manager metrics
  inbound_rule {
    protocol    = "tcp"
-    port_range  = "10251-10252"
+    port_range  = "10257-10259"
    source_tags = [digitalocean_tag.workers.name]
  }
 }
--- a/digital-ocean/flatcar-linux/kubernetes/ssh.tf
+++ b/digital-ocean/flatcar-linux/kubernetes/ssh.tf
@ -25,17 +25,17 @@ resource "null_resource" "copy-controller-secrets" {

  provisioner "file" {
    content     = module.bootstrap.kubeconfig-kubelet
-    destination = "$HOME/kubeconfig"
+    destination = "/home/core/kubeconfig"
  }

  provisioner "file" {
    content     = join("\n", local.assets_bundle)
-    destination = "$HOME/assets"
+    destination = "/home/core/assets"
  }

  provisioner "remote-exec" {
    inline = [
-      "sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
+      "sudo mv /home/core/kubeconfig /etc/kubernetes/kubeconfig",
      "sudo /opt/bootstrap/layout",
    ]
  }
@ -54,12 +54,12 @@ resource "null_resource" "copy-worker-secrets" {

  provisioner "file" {
    content     = module.bootstrap.kubeconfig-kubelet
-    destination = "$HOME/kubeconfig"
+    destination = "/home/core/kubeconfig"
  }

  provisioner "remote-exec" {
    inline = [
-      "sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
+      "sudo mv /home/core/kubeconfig /etc/kubernetes/kubeconfig",
    ]
  }
 }
--- a/digital-ocean/flatcar-linux/kubernetes/variables.tf
+++ b/digital-ocean/flatcar-linux/kubernetes/variables.tf
@ -94,8 +94,8 @@ variable "enable_reporting" {

 variable "enable_aggregation" {
  type        = bool
-  description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
-  default     = false
+  description = "Enable the Kubernetes Aggregation Layer"
+  default     = true
 }

 # unofficial, undocumented, unsupported
--- a/digital-ocean/flatcar-linux/kubernetes/versions.tf
+++ b/digital-ocean/flatcar-linux/kubernetes/versions.tf
@ -3,8 +3,8 @@
 terraform {
  required_version = ">= 0.13.0, < 2.0.0"
  required_providers {
-    template = "~> 2.1"
-    null     = "~> 2.1"
+    template = "~> 2.2"
+    null     = ">= 2.1"

    ct = {
      source  = "poseidon/ct"
@ -13,7 +13,7 @@ terraform {

    digitalocean = {
      source  = "digitalocean/digitalocean"
-      version = "~> 1.20"
+      version = ">= 2.12, < 3.0"
    }
  }
 }
--- a/digital-ocean/flatcar-linux/kubernetes/workers.tf
+++ b/digital-ocean/flatcar-linux/kubernetes/workers.tf
@ -35,7 +35,6 @@ resource "digitalocean_droplet" "workers" {
  size  = var.worker_type

  # network
-  private_networking = true
  vpc_uuid           = digitalocean_vpc.network.id
  # only official DigitalOcean images support IPv6
  ipv6 = local.is_official_image
--- a/docs/advanced/arm64.md
+++ b/docs/advanced/arm64.md
@ -1,66 +1,19 @@
 # ARM64

-!!! warning
-    ARM64 support is experimental
-
-Typhoon has experimental support for ARM64 with Fedora CoreOS on AWS. Full clusters can be created with ARM64 controller and worker nodes. Or worker pools of ARM64 nodes can be attached to an AMD64 cluster to create a hybrid/mixed architecture cluster.
+Typhoon has experimental support for ARM64 on AWS, with Fedora CoreOS or Flatcar Linux. Clusters can be created with ARM64 controller and worker nodes. Or worker pools of ARM64 nodes can be attached to an AMD64 cluster to create a hybrid/mixed architecture cluster.

 !!! note
-    Currently, CNI networking must be set to flannel or Cilium.
-
-## AMIs
-
-In lieu of official Fedora CoreOS ARM64 AMIs, Poseidon publishes experimental ARM64 AMIs to a few regions (us-east-1, us-east-2, us-west-1). These AMIs may be **removed** at any time and will be replaced when Fedora CoreOS publishes equivalents.
-
-!!! note
-    AMIs are only published to a few regions, and AWS availability of ARM instance types varies.
+    Currently, CNI networking must be set to `flannel` or `cilium`.

 ## Cluster

 Create a cluster with ARM64 controller and worker nodes. Container workloads must be `arm64` compatible and use `arm64` container images.

-```tf
-module "gravitas" {
-  source = "git::https://github.com/poseidon/typhoon//aws/fedora-coreos/kubernetes?ref=v1.21.3"
-
-  # AWS
-  cluster_name = "gravitas"
-  dns_zone     = "aws.example.com"
-  dns_zone_id  = "Z3PAABBCFAKEC0"
-
-  # configuration
-  ssh_authorized_key = "ssh-rsa AAAAB3Nz..."
-
-  # optional
-  arch         = "arm64"
-  networking   = "cilium"
-  worker_count = 2
-  worker_price = "0.0168"
-
-  controller_type = "t4g.small"
-  worker_type     = "t4g.small"
-}
-```
-
-Verify the cluster has only arm64 (`aarch64`) nodes.
-
-```
-$ kubectl get nodes -o wide
-NAME             STATUS   ROLES    AGE    VERSION   INTERNAL-IP   EXTERNAL-IP   OS-IMAGE                          KERNEL-VERSION            CONTAINER-RUNTIME
-ip-10-0-12-178   Ready    <none>   101s   v1.21.3   10.0.12.178   <none>        Fedora CoreOS 32.20201104.dev.0   5.8.17-200.fc32.aarch64   docker://19.3.11
-ip-10-0-18-93    Ready    <none>   102s   v1.21.3   10.0.18.93    <none>        Fedora CoreOS 32.20201104.dev.0   5.8.17-200.fc32.aarch64   docker://19.3.11
-ip-10-0-90-10    Ready    <none>   104s   v1.21.3   10.0.90.10    <none>        Fedora CoreOS 32.20201104.dev.0   5.8.17-200.fc32.aarch64   docker://19.3.11
-```
-
-## Hybrid
-
-Create a hybrid/mixed arch cluster by defining an AWS cluster. Then define a [worker pool](worker-pools.md#aws) with ARM64 workers. Optional taints are added to aid in scheduling.
-
-=== "Cluster (amd64)"
+=== "Fedora CoreOS Cluster (arm64)"

    ```tf
    module "gravitas" {
-      source = "git::https://github.com/poseidon/typhoon//aws/fedora-coreos/kubernetes?ref=v1.21.3"
+      source = "git::https://github.com/poseidon/typhoon//aws/fedora-coreos/kubernetes?ref=v1.23.2"

      # AWS
      cluster_name = "gravitas"
@ -68,7 +21,71 @@ Create a hybrid/mixed arch cluster by defining an AWS cluster. Then define a [wo
      dns_zone_id  = "Z3PAABBCFAKEC0"

      # configuration
-      ssh_authorized_key = "ssh-rsa AAAAB3Nz..."
+      ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."
+
+      # optional
+      arch         = "arm64"
+      networking   = "cilium"
+      worker_count = 2
+      worker_price = "0.0168"
+
+      controller_type = "t4g.small"
+      worker_type     = "t4g.small"
+    }
+    ```
+
+=== "Flatcar Linux Cluster (arm64)"
+
+    ```tf
+    module "gravitas" {
+      source = "git::https://github.com/poseidon/typhoon//aws/flatcar-linux/kubernetes?ref=v1.23.2"
+
+      # AWS
+      cluster_name = "gravitas"
+      dns_zone     = "aws.example.com"
+      dns_zone_id  = "Z3PAABBCFAKEC0"
+
+      # configuration
+      ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."
+
+      # optional
+      arch         = "arm64"
+      networking   = "cilium"
+      worker_count = 2
+      worker_price = "0.0168"
+
+      controller_type = "t4g.small"
+      worker_type     = "t4g.small"
+    }
+    ```
+
+Verify the cluster has only arm64 (`aarch64`) nodes. For Flatcar Linux, describe nodes.
+
+```
+$ kubectl get nodes -o wide
+NAME             STATUS   ROLES    AGE   VERSION   INTERNAL-IP   EXTERNAL-IP   OS-IMAGE                        KERNEL-VERSION            CONTAINER-RUNTIME
+ip-10-0-21-119   Ready    <none>   77s   v1.23.2   10.0.21.119   <none>        Fedora CoreOS 35.20211215.3.0   5.15.7-200.fc35.aarch64   containerd://1.5.8
+ip-10-0-32-166   Ready    <none>   80s   v1.23.2   10.0.32.166   <none>        Fedora CoreOS 35.20211215.3.0   5.15.7-200.fc35.aarch64   containerd://1.5.8
+ip-10-0-5-79     Ready    <none>   77s   v1.23.2   10.0.5.79     <none>        Fedora CoreOS 35.20211215.3.0   5.15.7-200.fc35.aarch64   containerd://1.5.8
+```
+
+## Hybrid
+
+Create a hybrid/mixed arch cluster by defining an AWS cluster. Then define a [worker pool](worker-pools.md#aws) with ARM64 workers. Optional taints are added to aid in scheduling.
+
+=== "FCOS Cluster"
+
+    ```tf
+    module "gravitas" {
+      source = "git::https://github.com/poseidon/typhoon//aws/fedora-coreos/kubernetes?ref=v1.23.2"
+
+      # AWS
+      cluster_name = "gravitas"
+      dns_zone     = "aws.example.com"
+      dns_zone_id  = "Z3PAABBCFAKEC0"
+
+      # configuration
+      ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."

      # optional
      networking   = "cilium"
@ -79,11 +96,58 @@ Create a hybrid/mixed arch cluster by defining an AWS cluster. Then define a [wo
    }
    ```

-=== "Worker Pool (arm64)"
+=== "Flatcar Cluster"
+
+    ```tf
+    module "gravitas" {
+      source = "git::https://github.com/poseidon/typhoon//aws/flatcar-linux/kubernetes?ref=v1.23.2"
+
+      # AWS
+      cluster_name = "gravitas"
+      dns_zone     = "aws.example.com"
+      dns_zone_id  = "Z3PAABBCFAKEC0"
+
+      # configuration
+      ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."
+
+      # optional
+      networking   = "cilium"
+      worker_count = 2
+      worker_price = "0.021"
+
+      daemonset_tolerations = ["arch"]     # important
+    }
+    ```
+
+=== "FCOS ARM64 Workers"

    ```tf
    module "gravitas-arm64" {
-      source = "git::https://github.com/poseidon/typhoon//aws/fedora-coreos/kubernetes/workers?ref=v1.21.3"
+      source = "git::https://github.com/poseidon/typhoon//aws/fedora-coreos/kubernetes/workers?ref=v1.23.2"
+
+      # AWS
+      vpc_id          = module.gravitas.vpc_id
+      subnet_ids      = module.gravitas.subnet_ids
+      security_groups = module.gravitas.worker_security_groups
+
+      # configuration
+      name               = "gravitas-arm64"
+      kubeconfig         = module.gravitas.kubeconfig
+      ssh_authorized_key = var.ssh_authorized_key
+
+      # optional
+      arch          = "arm64"
+      instance_type = "t4g.small"
+      spot_price    = "0.0168"
+      node_taints   = ["arch=arm64:NoSchedule"]
+    }
+    ```
+
+=== "Flatcar ARM64 Workers"
+
+    ```tf
+    module "gravitas-arm64" {
+      source = "git::https://github.com/poseidon/typhoon//aws/flatcar-linux/kubernetes/workers?ref=v1.23.2"

      # AWS
      vpc_id          = module.gravitas.vpc_id
@ -107,10 +171,10 @@ Verify amd64 (x86_64) and arm64 (aarch64) nodes are present.

 ```
 $ kubectl get nodes -o wide
-NAME            STATUS   ROLES    AGE     VERSION   INTERNAL-IP   EXTERNAL-IP   OS-IMAGE                          KERNEL-VERSION             CONTAINER-RUNTIME
-ip-10-0-1-81    Ready    <none>   4m28s   v1.21.3   10.0.1.81     <none>        Fedora CoreOS 34.20210427.3.0     5.11.15-300.fc34.x86_64    docker://20.10.6
-ip-10-0-17-86   Ready    <none>   4m28s   v1.21.3   10.0.17.86    <none>        Fedora CoreOS 33.20210413.dev.0   5.10.19-200.fc33.aarch64   docker://19.3.13
-ip-10-0-21-45   Ready    <none>   4m28s   v1.21.3   10.0.21.45    <none>        Fedora CoreOS 34.20210427.3.0     5.11.15-300.fc34.x86_64    docker://20.10.6
-ip-10-0-40-36   Ready    <none>   4m22s   v1.21.3   10.0.40.36    <none>        Fedora CoreOS 34.20210427.3.0     5.11.15-300.fc34.x86_64    docker://20.10.6
+NAME                       STATUS   ROLES    AGE    VERSION   INTERNAL-IP   EXTERNAL-IP   OS-IMAGE                                             KERNEL-VERSION            CONTAINER-RUNTIME
+ip-10-0-1-73               Ready    <none>   111m   v1.23.2   10.0.1.73     <none>        Fedora CoreOS 35.20211215.3.0                        5.15.7-200.fc35.x86_64    containerd://1.5.8
+ip-10-0-22-79...           Ready    <none>   111m   v1.23.2   10.0.22.79    <none>        Flatcar Container Linux by Kinvolk 3033.2.0 (Oklo)   5.10.84-flatcar           containerd://1.5.8
+ip-10-0-24-130             Ready    <none>   111m   v1.23.2   10.0.24.130   <none>        Fedora CoreOS 35.20211215.3.0                        5.15.7-200.fc35.x86_64    containerd://1.5.8
+ip-10-0-39-19              Ready    <none>   111m   v1.23.2   10.0.39.19    <none>        Fedora CoreOS 35.20211215.3.0                        5.15.7-200.fc35.x86_64    containerd://1.5.8
 ```

--- a/docs/advanced/customization.md
+++ b/docs/advanced/customization.md
@ -12,9 +12,9 @@ Clusters are kept to a minimal Kubernetes control plane by offering components l

 ## Hosts

-Typhoon uses the [Ignition](https://github.com/coreos/ignition) system of Fedora CoreOS and Flatcar Linux to immutably declare a system via first-boot disk provisioning. Fedora CoreOS uses a [Fedora CoreOS Config](https://docs.fedoraproject.org/en-US/fedora-coreos/fcct-config/) (FCC) and Flatcar Linux uses a [Container Linux Config](https://github.com/coreos/container-linux-config-transpiler/blob/master/doc/examples.md) (CLC). These define disk partitions, filesystems, systemd units, dropins, config files, mount units, raid arrays, and users.
+Typhoon uses the [Ignition](https://github.com/coreos/ignition) system of Fedora CoreOS and Flatcar Linux to immutably declare a system via first-boot disk provisioning. Fedora CoreOS uses a [Butane Config](https://coreos.github.io/butane/specs/) and Flatcar Linux uses a [Container Linux Config](https://github.com/coreos/container-linux-config-transpiler/blob/master/doc/examples.md) (CLC). These define disk partitions, filesystems, systemd units, dropins, config files, mount units, raid arrays, and users.

-Controller and worker instances form a minimal and secure Kubernetes cluster on each platform. Typhoon provides the **snippets** feature to accept Fedora CoreOS Configs or Container Linux Configs to validate and additively merge into instance declarations. This allows advanced host customization and experimentation.
+Controller and worker instances form a minimal and secure Kubernetes cluster on each platform. Typhoon provides the **snippets** feature to accept Butane or Container Linux Configs to validate and additively merge into instance declarations. This allows advanced host customization and experimentation.

 !!! note
    Snippets cannot be used to modify an already existing instance, the antithesis of immutable provisioning. Ignition fully declares a system on first boot only.
@ -30,14 +30,14 @@ Controller and worker instances form a minimal and secure Kubernetes cluster on
 !!! note
    Fedora CoreOS snippets require `terraform-provider-ct` v0.5+

-Define a Fedora CoreOS Config (FCC) ([docs](https://docs.fedoraproject.org/en-US/fedora-coreos/fcct-config/), [config](https://github.com/coreos/fcct/blob/master/docs/configuration-v1_0.md), [examples](https://github.com/coreos/fcct/blob/master/docs/examples.md)) in version control near your Terraform workspace directory (e.g. perhaps in a `snippets` subdirectory). You may organize snippets into multiple files, if desired.
+Define a Butane Config ([docs](https://coreos.github.io/butane/specs/), [config](https://github.com/coreos/butane/blob/main/docs/config-fcos-v1_4.md)) in version control near your Terraform workspace directory (e.g. perhaps in a `snippets` subdirectory). You may organize snippets into multiple files, if desired.

 For example, ensure an `/opt/hello` file is created with permissions 0644.

 ```yaml
 # custom-files
 variant: fcos
-version: 1.2.0
+version: 1.4.0
 storage:
  files:
    - path: /opt/hello
@ -185,7 +185,7 @@ To set an alternative etcd image or Kubelet image, use a snippet to set a system
    ```yaml
    # kubelet-image-override.yaml
    variant: fcos           <- remove for Flatcar Linux
-    version: 1.2.0          <- remove for Flatcar Linux
+    version: 1.4.0          <- remove for Flatcar Linux
    systemd:
      units:
        - name: kubelet.service
@ -201,7 +201,7 @@ To set an alternative etcd image or Kubelet image, use a snippet to set a system
    ```yaml
    # etcd-image-override.yaml
    variant: fcos           <- remove for Flatcar Linux
-    version: 1.2.0          <- remove for Flatcar Linux
+    version: 1.4.0          <- remove for Flatcar Linux
    systemd:
      units:
        - name: etcd-member.service
--- a/docs/advanced/nodes.md
+++ b/docs/advanced/nodes.md
@ -36,7 +36,7 @@ Add custom initial worker node labels to default workers or worker pool nodes to

    ```tf
    module "yavin" {
-      source = "git::https://github.com/poseidon/typhoon//google-cloud/fedora-coreos/kubernetes?ref=v1.21.3"
+      source = "git::https://github.com/poseidon/typhoon//google-cloud/fedora-coreos/kubernetes?ref=v1.23.2"

      # Google Cloud
      cluster_name  = "yavin"
@ -57,7 +57,7 @@ Add custom initial worker node labels to default workers or worker pool nodes to

    ```tf
    module "yavin-pool" {
-      source = "git::https://github.com/poseidon/typhoon//google-cloud/fedora-coreos/kubernetes/workers?ref=v1.21.3"
+      source = "git::https://github.com/poseidon/typhoon//google-cloud/fedora-coreos/kubernetes/workers?ref=v1.23.2"

      # Google Cloud
      cluster_name = "yavin"
@ -89,7 +89,7 @@ Add custom initial taints on worker pool nodes to indicate a node is unique and

    ```tf
    module "yavin" {
-      source = "git::https://github.com/poseidon/typhoon//google-cloud/fedora-coreos/kubernetes?ref=v1.21.3"
+      source = "git::https://github.com/poseidon/typhoon//google-cloud/fedora-coreos/kubernetes?ref=v1.23.2"

      # Google Cloud
      cluster_name  = "yavin"
@ -110,7 +110,7 @@ Add custom initial taints on worker pool nodes to indicate a node is unique and

    ```tf
    module "yavin-pool" {
-      source = "git::https://github.com/poseidon/typhoon//google-cloud/fedora-coreos/kubernetes/workers?ref=v1.21.3"
+      source = "git::https://github.com/poseidon/typhoon//google-cloud/fedora-coreos/kubernetes/workers?ref=v1.23.2"

      # Google Cloud
      cluster_name = "yavin"
--- a/Show More
+++ b/Show More