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Add Flatcar Linux ARM64 support on Azure

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* Kinvolk now publishes Flatcar Linux images for ARM64
* For now, amd64 image must specify a plan while arm64 images
must NOT specify a plan due to how Kinvolk publishes.

Rel: https://github.com/flatcar/Flatcar/issues/872
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Dalton Hubble
2022-10-13 20:49:01 -07:00
parent b68f8bb2a9
commit f04e1d25a8
9 changed files with 83 additions and 17 deletions
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35
docs/advanced/arm64.md
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@ -1,10 +1,15 @@
# ARM64
Typhoon supports 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.
Typhoon supports ARM64 Kubernetes clusters with ARM64 controller and worker nodes (full-cluster) or adding worker pools of ARM64 nodes to clusters with an x86/amd64 control plane for a hybdrid (mixed-arch) cluster.
Typhoon ARM64 clusters (full-cluster or mixed-arch) are available on:
* AWS with Fedora CoreOS or Flatcar Linux
* Azure with Flatcar Linux
## Cluster
Create a cluster with ARM64 controller and worker nodes. Container workloads must be `arm64` compatible and use `arm64` container images.
Create a cluster on AWS with ARM64 controller and worker nodes. Container workloads must be `arm64` compatible and use `arm64` (or multi-arch) container images.
=== "Fedora CoreOS Cluster (arm64)"
@ -174,3 +179,29 @@ ip-10-0-22-79... Ready <none> 111m v1.25.3 10.0.22.79 <non
ip-10-0-24-130 Ready <none> 111m v1.25.3 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 v1.25.3 10.0.39.19 <none> Fedora CoreOS 35.20211215.3.0 5.15.7-200.fc35.x86_64 containerd://1.5.8
```
## Azure
Create a cluster on Azure with ARM64 controller and worker nodes. Container workloads must be `arm64` compatible and use `arm64` (or multi-arch) container images.
```tf
module "ramius" {
source = "git::https://github.com/poseidon/typhoon//azure/flatcar-linux/kubernetes?ref=v1.25.3"
# Azure
cluster_name = "ramius"
region = "centralus"
dns_zone = "azure.example.com"
dns_zone_group = "example-group"
# configuration
ssh_authorized_key = "ssh-rsa AAAAB3Nz..."
# optional
arch = "arm64"
controller_type = "Standard_D2pls_v5"
worker_type = "Standard_D2pls_v5"
worker_count = 2
host_cidr = "10.0.0.0/20"
}
```