Update from coreos/flannel-cni to poseidon/flannel-cni

* Update CNI plugins from v0.6.0 to v0.8.6 to fix several CVEs
* Update the base image to alpine:3.12
* Use `flannel-cni` as an init container and remove sleep
* https://github.com/poseidon/terraform-render-bootstrap/pull/205
* https://github.com/poseidon/flannel-cni
* https://quay.io/repository/poseidon/flannel-cni

Background

* Switch from github.com/coreos/flannel-cni v0.3.0 which was last
published by me in 2017 and is no longer accessible to me to maintain
or patch
* Port to the poseidon/flannel-cni rewrite, which releases v0.4.0
to continue the prior release numbering

CHANGES.md

@@ -7,6 +7,9 @@ Notable changes between versions.
 * Update etcd from v3.4.9 to [v3.4.10](https://github.com/etcd-io/etcd/releases/tag/v3.4.10)
 * Update CoreDNS from v1.6.7 to [v1.7.0](https://coredns.io/2020/06/15/coredns-1.7.0-release/)
 * Update Cilium from v1.8.1 to [v1.8.2](https://github.com/cilium/cilium/releases/tag/v1.8.2)
+* Update [coreos/flannel-cni](https://github.com/coreos/flannel-cni) to [poseidon/flannel-cni](https://github.com/poseidon/flannel-cni) ([#798](https://github.com/poseidon/typhoon/pull/798))
+  * Update CNI plugins and fix CVEs with Flannel (non-default)
+  * Transition to a poseidon maintained container image
 
 ### Fedora CoreOS
 

aws/container-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=45053a62cb751e2f8b371c20b7714e1604d6e57d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=3675b3a539efd8d341277f0c03322883f97fd992"
 
   cluster_name          = var.cluster_name
   api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]

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=45053a62cb751e2f8b371c20b7714e1604d6e57d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=3675b3a539efd8d341277f0c03322883f97fd992"
 
   cluster_name          = var.cluster_name
   api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]

azure/container-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=45053a62cb751e2f8b371c20b7714e1604d6e57d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=3675b3a539efd8d341277f0c03322883f97fd992"
 
   cluster_name = var.cluster_name
   api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]

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=45053a62cb751e2f8b371c20b7714e1604d6e57d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=3675b3a539efd8d341277f0c03322883f97fd992"
 
   cluster_name = var.cluster_name
   api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]

bare-metal/container-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=45053a62cb751e2f8b371c20b7714e1604d6e57d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=3675b3a539efd8d341277f0c03322883f97fd992"
 
   cluster_name                    = var.cluster_name
   api_servers                     = [var.k8s_domain_name]

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=45053a62cb751e2f8b371c20b7714e1604d6e57d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=3675b3a539efd8d341277f0c03322883f97fd992"
 
   cluster_name                    = var.cluster_name
   api_servers                     = [var.k8s_domain_name]

digital-ocean/container-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=45053a62cb751e2f8b371c20b7714e1604d6e57d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=3675b3a539efd8d341277f0c03322883f97fd992"
 
   cluster_name = var.cluster_name
   api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]

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=45053a62cb751e2f8b371c20b7714e1604d6e57d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=3675b3a539efd8d341277f0c03322883f97fd992"
 
   cluster_name = var.cluster_name
   api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]

docs/topics/security.md

@@ -66,6 +66,12 @@ Two tag styles indicate the build strategy used.
 
 The Typhoon-built Kubelet image is used as the official image. Automated builds provide an alternative image for those preferring to trust images built by Quay/Dockerhub (albeit lacking multi-arch). To use the fallback registry or an alternative tag, see [customization](/advanced/customization/#kubelet).
 
+### flannel-cni
+
+Typhoon packages the [flannel-cni](https://github.com/poseidon/flannel-cni) container image to provide security patches.
+
+* [quay.io/poseidon/flannel-cni](https://quay.io/repository/poseidon/flannel-cni) (official)
+
 ## Disclosures
 
 If you find security issues, please email `security@psdn.io`. If the issue lies in upstream Kubernetes, please inform upstream Kubernetes as well.

google-cloud/container-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=45053a62cb751e2f8b371c20b7714e1604d6e57d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=3675b3a539efd8d341277f0c03322883f97fd992"
 
   cluster_name          = var.cluster_name
   api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]

google-cloud/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=45053a62cb751e2f8b371c20b7714e1604d6e57d"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=3675b3a539efd8d341277f0c03322883f97fd992"
 
   cluster_name          = var.cluster_name
   api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]