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ARM64
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 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)"
```tf
module "gravitas" {
source = "git::https://github.com/poseidon/typhoon//aws/fedora-coreos/kubernetes?ref=v1.25.4"
# 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"
}
```
=== "Flatcar Linux Cluster (arm64)"
```tf
module "gravitas" {
source = "git::https://github.com/poseidon/typhoon//aws/flatcar-linux/kubernetes?ref=v1.25.4"
# 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 v1.25.4 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 v1.25.4 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 v1.25.4 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 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=v1.25.4"
# 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
}
```
=== "Flatcar Cluster"
```tf
module "gravitas" {
source = "git::https://github.com/poseidon/typhoon//aws/flatcar-linux/kubernetes?ref=v1.25.4"
# 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=v1.25.4"
# 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=v1.25.4"
# 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"]
}
```
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-10-0-1-73 Ready <none> 111m v1.25.4 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 v1.25.4 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 v1.25.4 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 v1.25.4 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.
module "ramius" {
source = "git::https://github.com/poseidon/typhoon//azure/flatcar-linux/kubernetes?ref=v1.25.4"
# 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"
}