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Add experimental Flatcar Linux arm64 support on AWS

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* Add `arch` variable to Flatcar Linux AWS `kubernetes` and
`workers` modules. Accept `amd64` (default) or `arm64` to support
native arm64/aarch64 clusters or mixed/hybrid clusters with arm64
workers
* Requires `flannel` or `cilium` CNI

Similar to https://github.com/poseidon/typhoon/pull/875
This commit is contained in:
Dalton Hubble
2022-01-14 09:59:11 -08:00
parent f544a9c71f
commit beb9f1477a
9 changed files with 94 additions and 12 deletions
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17
docs/advanced/arm64.md
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@ -1,12 +1,9 @@
# 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.
Currently, CNI networking must be set to `flannel` or `cilium`.
## Cluster
@ -35,14 +32,14 @@ module "gravitas" {
}
```
Verify the cluster has only arm64 (`aarch64`) nodes.
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-10-0-12-178 Ready <none> 101s v1.23.1 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 v1.23.1 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 v1.23.1 10.0.90.10 <none> Fedora CoreOS 32.20201104.dev.0 5.8.17-200.fc32.aarch64 docker://19.3.11
NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME
ip-10-0-21-119 Ready <none> 77s v1.23.1 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 v1.23.1 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 v1.23.1 10.0.5.79 <none> Fedora CoreOS 35.20211215.3.0 5.15.7-200.fc35.aarch64 containerd://1.5.8
```
## Hybrid