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* Typhoon now supports arbitrary combinations of controller, worker, and worker pool architectures so we can drop the specific details of full-cluster vs hybrid cluster. Just pick the architecture for each group of nodes accordingly. * However, if a custom node taint is set, continue to configure the cluster's daemonsets accordingly with `daemonset_tolerations`
6.7 KiB
6.7 KiB
ARM64
Typhoon supports Kubernetes clusters with ARM64 controller or worker nodes on several platforms:
- AWS with Fedora CoreOS or Flatcar Linux
- Azure with Flatcar Linux
AWS
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=v1.30.3"
# AWS
cluster_name = "gravitas"
dns_zone = "aws.example.com"
dns_zone_id = "Z3PAABBCFAKEC0"
# instances
controller_type = "t4g.small"
controller_arch = "arm64"
worker_count = 2
worker_type = "t4g.small"
worker_arch = "arm64"
worker_price = "0.0168"
# configuration
ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."
}
```
=== "Flatcar Linux Cluster (arm64)"
```tf
module "gravitas" {
source = "git::https://github.com/poseidon/typhoon//aws/flatcar-linux/kubernetes?ref=v1.30.3"
# AWS
cluster_name = "gravitas"
dns_zone = "aws.example.com"
dns_zone_id = "Z3PAABBCFAKEC0"
# instances
controller_type = "t4g.small"
controller_arch = "arm64"
worker_count = 2
worker_type = "t4g.small"
worker_arch = "arm64"
worker_price = "0.0168"
# configuration
ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."
}
```
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 v1.30.3 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 v1.30.3 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 v1.30.3 10.0.5.79 <none> Fedora CoreOS 35.20211215.3.0 5.15.7-200.fc35.aarch64 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=v1.30.3"
# Azure
cluster_name = "ramius"
location = "centralus"
dns_zone = "azure.example.com"
dns_zone_group = "example-group"
# instances
controller_arch = "arm64"
controller_type = "Standard_B2pls_v5"
worker_count = 2
controller_arch = "arm64"
worker_type = "Standard_D2pls_v5"
# configuration
ssh_authorized_key = "ssh-rsa AAAAB3Nz..."
}
Hybrid
Create a hybrid/mixed arch cluster by defining a cluster where worker pool(s) have a different instance type architecture than controllers or other workers. Taints are added to aid in scheduling.
Here's an AWS example,
=== "FCOS Cluster"
```tf
module "gravitas" {
source = "git::https://github.com/poseidon/typhoon//aws/fedora-coreos/kubernetes?ref=v1.30.3"
# AWS
cluster_name = "gravitas"
dns_zone = "aws.example.com"
dns_zone_id = "Z3PAABBCFAKEC0"
# instances
worker_count = 2
worker_arch = "arm64"
worker_type = "t4g.medium"
worker_price = "0.021"
# configuration
daemonset_tolerations = ["arch"] # important
networking = "cilium"
ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."
}
```
=== "Flatcar Cluster"
```tf
module "gravitas" {
source = "git::https://github.com/poseidon/typhoon//aws/flatcar-linux/kubernetes?ref=v1.30.3"
# AWS
cluster_name = "gravitas"
dns_zone = "aws.example.com"
dns_zone_id = "Z3PAABBCFAKEC0"
# instances
worker_count = 2
worker_arch = "arm64"
worker_type = "t4g.medium"
worker_price = "0.021"
# configuration
daemonset_tolerations = ["arch"] # important
networking = "cilium"
ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."
}
```
=== "FCOS ARM64 Workers"
```tf
module "gravitas-arm64" {
source = "git::https://github.com/poseidon/typhoon//aws/fedora-coreos/kubernetes/workers?ref=v1.30.3"
# AWS
vpc_id = module.gravitas.vpc_id
subnet_ids = module.gravitas.subnet_ids
security_groups = module.gravitas.worker_security_groups
# instances
arch = "arm64"
instance_type = "t4g.small"
spot_price = "0.0168"
# configuration
name = "gravitas-arm64"
kubeconfig = module.gravitas.kubeconfig
node_taints = ["arch=arm64:NoSchedule"]
ssh_authorized_key = var.ssh_authorized_key
}
```
=== "Flatcar ARM64 Workers"
```tf
module "gravitas-arm64" {
source = "git::https://github.com/poseidon/typhoon//aws/flatcar-linux/kubernetes/workers?ref=v1.30.3"
# AWS
vpc_id = module.gravitas.vpc_id
subnet_ids = module.gravitas.subnet_ids
security_groups = module.gravitas.worker_security_groups
# instances
arch = "arm64"
instance_type = "t4g.small"
spot_price = "0.0168"
# configuration
name = "gravitas-arm64"
kubeconfig = module.gravitas.kubeconfig
node_taints = ["arch=arm64:NoSchedule"]
ssh_authorized_key = var.ssh_authorized_key
}
```
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 v1.30.3 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 v1.30.3 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 v1.30.3 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 v1.30.3 10.0.39.19 <none> Fedora CoreOS 35.20211215.3.0 5.15.7-200.fc35.x86_64 containerd://1.5.8