Update bare-metal Fedora CoreOS image location
* Use Fedora CoreOS production download streams (change) * Use live PXE kernel and initramfs images * https://getfedora.org/coreos/download/ * Update docs example to use public images (cache is still recommended at large scale) and stable stream
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CHANGES.md
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CHANGES.md
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@ -4,6 +4,14 @@ Notable changes between versions.
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## Latest
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#### Bare-Metal
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* Update Fedora CoreOS images location
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* Use Fedora CoreOS production [download](https://getfedora.org/coreos/download/) streams
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* Use live PXE kernel and initramfs images
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## v1.17.1
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* Kubernetes [v1.17.1](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.17.md#v1171)
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* Update CoreDNS from v1.6.5 to [v1.6.6](https://coredns.io/2019/12/11/coredns-1.6.6-release/) ([#602](https://github.com/poseidon/typhoon/pull/602))
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* Update Calico from v3.10.2 to v3.11.2 ([#604](https://github.com/poseidon/typhoon/pull/604))
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@ -12,6 +20,10 @@ Notable changes between versions.
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* Enable kube-proxy metrics and allow Prometheus scrapes
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* Allow TCP/10249 traffic with worker node sources
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#### AWS
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* Update Fedora CoreOS AMI filter for fedora-coreos-31 ([#620](https://github.com/poseidon/typhoon/pull/620))
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#### Google
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* Allow `terraform-provider-google` v3.0+ ([#617](https://github.com/poseidon/typhoon/pull/617))
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@ -247,7 +259,7 @@ Notable changes between versions.
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* Require `terraform-provider-azurerm` v1.27+ to support Terraform v0.12 (action required)
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* Avoid unneeded rotations of Regular priority virtual machine scale sets
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* Azure only allows `eviction_policy` to be set for Low priority VMs. Supporting Low priority VMs meant when Regular VMs were used, each `terraform apply` rolled workers, to set eviction_policy to null.
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* Terraform v0.12 nullable variables fix the issue so plan does not produce a diff.
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* Terraform v0.12 nullable variables fix the issue so plan does not produce a diff.
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#### Bare-Metal
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@ -302,7 +314,7 @@ Notable changes between versions.
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* Update Grafana from v6.1.6 to v6.2.1
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## v1.14.2
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* Kubernetes [v1.14.2](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.14.md#v1142)
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* Update etcd from v3.3.12 to [v3.3.13](https://github.com/etcd-io/etcd/releases/tag/v3.3.13)
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* Upgrade Calico from v3.6.1 to [v3.7.2](https://docs.projectcalico.org/v3.7/release-notes/)
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@ -373,7 +385,7 @@ Notable changes between versions.
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* Add ability to load balance TCP/UDP applications ([#442](https://github.com/poseidon/typhoon/pull/442))
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* Add worker instances to a target pool, output as `worker_target_pool`
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* Health check for workers with Ingress controllers. Forward rules don't support differing internal/external ports, but some Ingress controllers support TCP/UDP proxy as a workaround
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* Health check for workers with Ingress controllers. Forward rules don't support differing internal/external ports, but some Ingress controllers support TCP/UDP proxy as a workaround
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* Remove Haswell minimum CPU platform requirement ([#439](https://github.com/poseidon/typhoon/pull/439))
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* Google Cloud API implements `min_cpu_platform` to mean "use exactly this CPU". Revert [#405](https://github.com/poseidon/typhoon/pull/405) added in v1.13.4.
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* Fix error creating clusters in new regions without Haswell (e.g. europe-west2) ([#438](https://github.com/poseidon/typhoon/issues/438))
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@ -558,7 +570,7 @@ Notable changes between versions.
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* Update Calico from v3.3.0 to [v3.3.1](https://docs.projectcalico.org/v3.3/releases/)
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* Disable Felix usage reporting by default ([#345](https://github.com/poseidon/typhoon/pull/345))
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* Improve flannel manifests
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* [Rename](https://github.com/poseidon/terraform-render-bootkube/commit/d045a8e6b8eccfbb9d69bb51953b5a93d23f67f7) `kube-flannel` DaemonSet to `flannel` and `kube-flannel-cfg` ConfigMap to `flannel-config`
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* [Rename](https://github.com/poseidon/terraform-render-bootkube/commit/d045a8e6b8eccfbb9d69bb51953b5a93d23f67f7) `kube-flannel` DaemonSet to `flannel` and `kube-flannel-cfg` ConfigMap to `flannel-config`
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* [Drop](https://github.com/poseidon/terraform-render-bootkube/commit/39f9afb3360ec642e5b98457c8bd07eda35b6c96) unused mounts and add a CPU resource request
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* Update CoreDNS from v1.2.4 to [v1.2.6](https://coredns.io/2018/11/05/coredns-1.2.6-release/)
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* Enable CoreDNS `loop` and `loadbalance` plugins ([#340](https://github.com/poseidon/typhoon/pull/340))
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@ -720,7 +732,7 @@ Notable changes between versions.
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* Force apiserver to stop listening on `127.0.0.1:8080`
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* Replace `kube-dns` with [CoreDNS](https://coredns.io/) ([#261](https://github.com/poseidon/typhoon/pull/261))
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* Edit the `coredns` ConfigMap to [customize](https://coredns.io/plugins/)
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* CoreDNS doesn't use a resizer. For large clusters, scaling may be required.
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* CoreDNS doesn't use a resizer. For large clusters, scaling may be required.
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#### AWS
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@ -765,7 +777,7 @@ Notable changes between versions.
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* Switch `kube-apiserver` port from 443 to 6443 ([#248](https://github.com/poseidon/typhoon/pull/248))
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* Users who exposed kube-apiserver on a WAN via their router/load-balancer will need to adjust its configuration (e.g. DNAT 6443). Most apiservers are on a LAN (internal, VPN-only, etc) so if you didn't specially configure network gear for 443, no change is needed. (possible action required)
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* Fix possible deadlock when provisioning clusters larger than 10 nodes ([#244](https://github.com/poseidon/typhoon/pull/244))
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* Fix possible deadlock when provisioning clusters larger than 10 nodes ([#244](https://github.com/poseidon/typhoon/pull/244))
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#### DigitalOcean
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@ -833,7 +845,7 @@ Notable changes between versions.
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* Please change values stable, beta, or alpha to coreos-stable, coreos-beta, coreos-alpha (**action required!**)
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* Replace `container_linux_version` variable with `os_version`
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* Add `network_ip_autodetection_method` variable for Calico host IPv4 address detection
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* Use Calico's default "first-found" to support single NIC and bonded NIC nodes
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* Use Calico's default "first-found" to support single NIC and bonded NIC nodes
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* Allow [alternative](https://docs.projectcalico.org/v3.1/reference/node/configuration#ip-autodetection-methods) methods for multi NIC nodes, like can-reach=IP or interface=REGEX
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* Deprecate `container_linux_oem` variable
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@ -866,7 +878,7 @@ Notable changes between versions.
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#### Google Cloud
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* Add support for multi-controller clusters (i.e. multi-master) ([#54](https://github.com/poseidon/typhoon/issues/54), [#190](https://github.com/poseidon/typhoon/pull/190))
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* Switch from Google Cloud network load balancer to a TCP proxy load balancer. Avoid a [bug](https://issuetracker.google.com/issues/67366622) in Google network load balancers that limited clusters to only bootstrapping one controller node.
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* Switch from Google Cloud network load balancer to a TCP proxy load balancer. Avoid a [bug](https://issuetracker.google.com/issues/67366622) in Google network load balancers that limited clusters to only bootstrapping one controller node.
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* Add TCP health check for apiserver pods on controllers. Replace kubelet check approximation.
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#### Addons
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* Container Linux stable, beta, and alpha now provide Docker 17.09 (instead
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of 1.12)
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* Older clusters (with CLUO addon) auto-update Container Linux version to begin using Docker 17.09
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* Fix race where `etcd-member.service` could fail to resolve peers ([#69](https://github.com/poseidon/typhoon/pull/69))
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* Fix race where `etcd-member.service` could fail to resolve peers ([#69](https://github.com/poseidon/typhoon/pull/69))
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* Add optional `cluster_domain_suffix` variable (#74)
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* Use kubernetes-incubator/bootkube v0.9.1
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locals {
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remote_kernel = "https://builds.coreos.fedoraproject.org/prod/streams/${var.os_stream}/builds/${var.os_version}/x86_64/fedora-coreos-${var.os_version}-installer-kernel-x86_64"
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remote_initrd = "https://builds.coreos.fedoraproject.org/prod/streams/${var.os_stream}/builds/${var.os_version}/x86_64/fedora-coreos-${var.os_version}-installer-initramfs.x86_64.img"
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remote_kernel = "https://builds.coreos.fedoraproject.org/prod/streams/${var.os_stream}/builds/${var.os_version}/x86_64/fedora-coreos-${var.os_version}-live-kernel-x86_64"
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remote_initrd = "https://builds.coreos.fedoraproject.org/prod/streams/${var.os_stream}/builds/${var.os_version}/x86_64/fedora-coreos-${var.os_version}-live-initramfs.x86_64.img"
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remote_args = [
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"ip=dhcp",
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"rd.neednet=1",
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"coreos.inst.install_dev=${var.install_disk}"
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]
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cached_kernel = "/assets/fedora-coreos/fedora-coreos-${var.os_version}-installer-kernel-x86_64"
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cached_initrd = "/assets/fedora-coreos/fedora-coreos-${var.os_version}-installer-initramfs.x86_64.img"
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cached_kernel = "/assets/fedora-coreos/fedora-coreos-${var.os_version}-live-kernel-x86_64"
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cached_initrd = "/assets/fedora-coreos/fedora-coreos-${var.os_version}-live-initramfs.x86_64.img"
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cached_args = [
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"ip=dhcp",
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"rd.neednet=1",
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@ -30,7 +30,7 @@ Configure each machine to boot from the disk through IPMI or the BIOS menu.
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```
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ipmitool -H node1 -U USER -P PASS chassis bootdev disk options=persistent
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```
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During provisioning, you'll explicitly set the boot device to `pxe` for the next boot only. Machines will install (overwrite) the operating system to disk on PXE boot and reboot into the disk install.
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!!! tip ""
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@ -106,7 +106,7 @@ Read about the [many ways](https://coreos.com/matchbox/docs/latest/network-setup
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TFTP chainloading to modern boot firmware, like iPXE, avoids issues with old NICs and allows faster transfer protocols like HTTP to be used.
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!!! warning
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Compile iPXE from [source](https://github.com/ipxe/ipxe) with support for [HTTPS downloads](https://ipxe.org/crypto). iPXE's pre-built firmware binaries do not enable this. Fedora does not provide images over HTTP.
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Compile iPXE from [source](https://github.com/ipxe/ipxe) with support for [HTTPS downloads](https://ipxe.org/crypto). iPXE's pre-built firmware binaries do not enable this. Fedora CoreOS downloads are HTTPS-only.
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## Terraform Setup
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```tf
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module "mercury" {
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source = "git::https://github.com/poseidon/typhoon//bare-metal/fedora-coreos/kubernetes?ref=v1.17.1"
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# bare-metal
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cluster_name = "mercury"
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matchbox_http_endpoint = "http://matchbox.example.com"
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os_stream = "testing"
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os_version = "30.20191002.0"
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cached_install = true
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os_stream = "stable"
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os_version = "31.20200113.3.1"
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# configuration
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k8s_domain_name = "node1.example.com"
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| cluster_name | Unique cluster name | "mercury" |
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| matchbox_http_endpoint | Matchbox HTTP read-only endpoint | "http://matchbox.example.com:port" |
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| os_stream | Fedora CoreOS release stream | "testing" |
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| os_version | Fedora CoreOS version to PXE and install | "30.20190716.1" |
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| os_stream | Fedora CoreOS release stream | "stable" |
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| os_version | Fedora CoreOS version to PXE and install | "31.20200113.3.1" |
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| k8s_domain_name | FQDN resolving to the controller(s) nodes. Workers and kubectl will communicate with this endpoint | "myk8s.example.com" |
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| ssh_authorized_key | SSH public key for user 'core' | "ssh-rsa AAAAB3Nz..." |
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| controllers | List of controller machine detail objects (unique name, identifying MAC address, FQDN) | `[{name="node1", mac="52:54:00:a1:9c:ae", domain="node1.example.com"}]` |
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| cached_install | PXE boot and install from the Matchbox `/assets` cache. Admin MUST have downloaded Fedora CoreOS images into the cache | false | true |
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| install_disk | Disk device where Fedora CoreOS should be installed | "sda" (not "/dev/sda" like Container Linux) | "sdb" |
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| networking | Choice of networking provider | "calico" | "calico" or "flannel" |
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| network_mtu | CNI interface MTU (calico-only) | 1480 | - |
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| network_mtu | CNI interface MTU (calico-only) | 1480 | - |
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| snippets | Map from machine names to lists of Fedora CoreOS Config snippets | {} | UNSUPPORTED |
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| network_ip_autodetection_method | Method to detect host IPv4 address (calico-only) | "first-found" | "can-reach=10.0.0.1" |
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| pod_cidr | CIDR IPv4 range to assign to Kubernetes pods | "10.2.0.0/16" | "10.22.0.0/16" |
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