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templates: add flatcar template
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Signed-off-by: Mathieu Tortuyaux <[email protected]>
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tormath1 committed Nov 26, 2024
1 parent ab66a2c commit 9dda816
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245 changes: 245 additions & 0 deletions templates/cluster-template-flatcar.yaml
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---
apiVersion: cluster.x-k8s.io/v1beta1
kind: Cluster
metadata:
name: "${CLUSTER_NAME}"
spec:
clusterNetwork:
pods:
cidrBlocks: ["192.168.0.0/16"]
infrastructureRef:
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: GCPCluster
name: "${CLUSTER_NAME}"
controlPlaneRef:
kind: KubeadmControlPlane
apiVersion: controlplane.cluster.x-k8s.io/v1beta1
name: "${CLUSTER_NAME}-control-plane"
---
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: GCPCluster
metadata:
name: "${CLUSTER_NAME}"
spec:
project: "${GCP_PROJECT}"
region: "${GCP_REGION}"
network:
name: "${GCP_NETWORK_NAME}"
---
kind: KubeadmControlPlane
apiVersion: controlplane.cluster.x-k8s.io/v1beta1
metadata:
name: "${CLUSTER_NAME}-control-plane"
spec:
replicas: ${CONTROL_PLANE_MACHINE_COUNT}
machineTemplate:
infrastructureRef:
kind: GCPMachineTemplate
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
name: "${CLUSTER_NAME}-control-plane"
kubeadmConfigSpec:
files: []
format: ignition
ignition:
containerLinuxConfig:
additionalConfig: |
storage:
links:
- path: /etc/extensions/kubernetes.raw
hard: false
target: /opt/extensions/kubernetes/kubernetes-${KUBERNETES_VERSION}-x86-64.raw
files:
- path: /etc/sysupdate.kubernetes.d/kubernetes-${KUBERNETES_VERSION%.*}.conf
mode: 0644
contents:
remote:
url: https://github.com/flatcar/sysext-bakery/releases/download/latest/kubernetes-${KUBERNETES_VERSION%.*}.conf
- path: /etc/sysupdate.d/noop.conf
mode: 0644
contents:
remote:
url: https://github.com/flatcar/sysext-bakery/releases/download/latest/noop.conf
- path: /opt/extensions/kubernetes/kubernetes-${KUBERNETES_VERSION}-x86-64.raw
contents:
remote:
url: https://github.com/flatcar/sysext-bakery/releases/download/latest/kubernetes-${KUBERNETES_VERSION}-x86-64.raw
systemd:
units:
- name: systemd-sysupdate.service
dropins:
- name: kubernetes.conf
contents: |
[Service]
ExecStartPre=/usr/bin/sh -c "readlink --canonicalize /etc/extensions/kubernetes.raw > /tmp/kubernetes"
ExecStartPre=/usr/lib/systemd/systemd-sysupdate -C kubernetes update
ExecStartPost=/usr/bin/sh -c "readlink --canonicalize /etc/extensions/kubernetes.raw > /tmp/kubernetes-new"
ExecStartPost=/usr/bin/sh -c "if ! cmp --silent /tmp/kubernetes /tmp/kubernetes-new; then touch /run/reboot-required; fi"
- name: update-engine.service
# Set this to 'false' if you want to enable Flatcar auto-update
mask: ${FLATCAR_DISABLE_AUTO_UPDATE:=true}
- name: locksmithd.service
# NOTE: To coordinate the node reboot in this context, we recommend to use Kured.
mask: true
- name: systemd-sysupdate.timer
# Set this to 'true' if you want to enable the Kubernetes auto-update.
# NOTE: Only patches version will be pulled.
enabled: false
- name: [email protected]
enabled: true
- name: kubeadm.service
enabled: true
dropins:
- name: 10-flatcar.conf
contents: |
[Unit]
Requires=containerd.service coreos-metadata.service
After=containerd.service coreos-metadata.service
[Service]
EnvironmentFile=/run/metadata/flatcar
initConfiguration:
nodeRegistration:
name: $${COREOS_GCE_HOSTNAME}
kubeletExtraArgs:
cloud-provider: gce
feature-gates: "DisableCloudProviders=false,DisableKubeletCloudCredentialProviders=false"
clusterConfiguration:
apiServer:
timeoutForControlPlane: 20m
extraArgs:
cloud-provider: gce
feature-gates: "DisableCloudProviders=false,DisableKubeletCloudCredentialProviders=false"
controllerManager:
extraArgs:
cloud-provider: gce
feature-gates: "DisableCloudProviders=false,DisableKubeletCloudCredentialProviders=false"
allocate-node-cidrs: "false"
joinConfiguration:
nodeRegistration:
name: $${COREOS_GCE_HOSTNAME}
kubeletExtraArgs:
cloud-provider: gce
feature-gates: "DisableCloudProviders=false,DisableKubeletCloudCredentialProviders=false"
preKubeadmCommands:
- export COREOS_GCE_HOSTNAME=$${COREOS_GCE_HOSTNAME%%.*}
- envsubst < /etc/kubeadm.yml > /etc/kubeadm.yml.tmp
- mv /etc/kubeadm.yml.tmp /etc/kubeadm.yml
version: "${KUBERNETES_VERSION}"
---
kind: GCPMachineTemplate
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
metadata:
name: "${CLUSTER_NAME}-control-plane"
spec:
template:
spec:
instanceType: "${GCP_CONTROL_PLANE_MACHINE_TYPE}"
image: "${IMAGE_ID}"
---
apiVersion: cluster.x-k8s.io/v1beta1
kind: MachineDeployment
metadata:
name: "${CLUSTER_NAME}-md-0"
spec:
clusterName: "${CLUSTER_NAME}"
replicas: ${WORKER_MACHINE_COUNT}
selector:
matchLabels:
template:
spec:
clusterName: "${CLUSTER_NAME}"
version: "${KUBERNETES_VERSION}"
bootstrap:
configRef:
name: "${CLUSTER_NAME}-md-0"
apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
kind: KubeadmConfigTemplate
infrastructureRef:
name: "${CLUSTER_NAME}-md-0"
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: GCPMachineTemplate
---
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: GCPMachineTemplate
metadata:
name: "${CLUSTER_NAME}-md-0"
spec:
template:
spec:
instanceType: "${GCP_NODE_MACHINE_TYPE}"
image: "${IMAGE_ID}"
---
apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
kind: KubeadmConfigTemplate
metadata:
name: "${CLUSTER_NAME}-md-0"
spec:
template:
spec:
files: []
format: ignition
ignition:
containerLinuxConfig:
additionalConfig: |
storage:
links:
- path: /etc/extensions/kubernetes.raw
hard: false
target: /opt/extensions/kubernetes/kubernetes-${KUBERNETES_VERSION}-x86-64.raw
files:
- path: /etc/sysupdate.kubernetes.d/kubernetes-${KUBERNETES_VERSION%.*}.conf
mode: 0644
contents:
remote:
url: https://github.com/flatcar/sysext-bakery/releases/download/latest/kubernetes-${KUBERNETES_VERSION%.*}.conf
- path: /etc/sysupdate.d/noop.conf
mode: 0644
contents:
remote:
url: https://github.com/flatcar/sysext-bakery/releases/download/latest/noop.conf
- path: /opt/extensions/kubernetes/kubernetes-${KUBERNETES_VERSION}-x86-64.raw
contents:
remote:
url: https://github.com/flatcar/sysext-bakery/releases/download/latest/kubernetes-${KUBERNETES_VERSION}-x86-64.raw
systemd:
units:
- name: systemd-sysupdate.service
dropins:
- name: kubernetes.conf
contents: |
[Service]
ExecStartPre=/usr/bin/sh -c "readlink --canonicalize /etc/extensions/kubernetes.raw > /tmp/kubernetes"
ExecStartPre=/usr/lib/systemd/systemd-sysupdate -C kubernetes update
ExecStartPost=/usr/bin/sh -c "readlink --canonicalize /etc/extensions/kubernetes.raw > /tmp/kubernetes-new"
ExecStartPost=/usr/bin/sh -c "if ! cmp --silent /tmp/kubernetes /tmp/kubernetes-new; then touch /run/reboot-required; fi"
- name: update-engine.service
# Set this to 'false' if you want to enable Flatcar auto-update
mask: ${FLATCAR_DISABLE_AUTO_UPDATE:=true}
- name: locksmithd.service
# NOTE: To coordinate the node reboot in this context, we recommend to use Kured.
mask: true
- name: systemd-sysupdate.timer
# Set this to 'true' if you want to enable the Kubernetes auto-update.
# NOTE: Only patches version will be pulled.
enabled: false
- name: [email protected]
enabled: true
- name: kubeadm.service
enabled: true
dropins:
- name: 10-flatcar.conf
contents: |
[Unit]
Requires=containerd.service coreos-metadata.service
After=containerd.service coreos-metadata.service
[Service]
EnvironmentFile=/run/metadata/flatcar
joinConfiguration:
nodeRegistration:
name: $${COREOS_GCE_HOSTNAME}
kubeletExtraArgs:
cloud-provider: gce
feature-gates: "DisableCloudProviders=false,DisableKubeletCloudCredentialProviders=false"
preKubeadmCommands:
- export COREOS_GCE_HOSTNAME=$${COREOS_GCE_HOSTNAME%%.*}
- envsubst < /etc/kubeadm.yml > /etc/kubeadm.yml.tmp
- mv /etc/kubeadm.yml.tmp /etc/kubeadm.yml

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