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Add kustomize templates
Signed-off-by: Sayan Chowdhury <[email protected]> Signed-off-by: Mathieu Tortuyaux <[email protected]>
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‎templates/flavors/flatcar-sysext/kustomization.yaml‎

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namespace: default
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resources:
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- ../base
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- machine-deployment.yaml
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- ../../azure-cluster-identity
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patchesStrategicMerge:
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- patches/kubeadm-controlplane.yaml
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- ../../azure-cluster-identity/azurecluster-identity-ref.yaml

‎templates/flavors/flatcar-sysext/machine-deployment.yaml‎

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---
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apiVersion: cluster.x-k8s.io/v1beta1
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kind: MachineDeployment
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metadata:
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name: ${CLUSTER_NAME}-md-0
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spec:
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clusterName: ${CLUSTER_NAME}
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replicas: ${WORKER_MACHINE_COUNT}
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selector:
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matchLabels: null
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template:
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spec:
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bootstrap:
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configRef:
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apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
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kind: KubeadmConfigTemplate
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name: ${CLUSTER_NAME}-md-0
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clusterName: ${CLUSTER_NAME}
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infrastructureRef:
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
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kind: AzureMachineTemplate
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name: ${CLUSTER_NAME}-md-0
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version: ${KUBERNETES_VERSION}
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
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kind: AzureMachineTemplate
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metadata:
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name: ${CLUSTER_NAME}-md-0
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spec:
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template:
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spec:
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image:
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computeGallery:
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gallery: flatcar-23485951-527a-48d6-9d11-6931ff0afc2e
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name: flatcar-stable-amd64
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version: ${FLATCAR_VERSION}
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osDisk:
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diskSizeGB: 128
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osType: Linux
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sshPublicKey: ${AZURE_SSH_PUBLIC_KEY_B64:=""}
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vmSize: ${AZURE_NODE_MACHINE_TYPE}
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---
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apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
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kind: KubeadmConfigTemplate
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metadata:
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name: ${CLUSTER_NAME}-md-0
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spec:
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template:
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spec:
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files:
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- contentFrom:
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secret:
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key: worker-node-azure.json
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name: ${CLUSTER_NAME}-md-0-azure-json
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owner: root:root
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path: /etc/kubernetes/azure.json
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permissions: "0644"
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format: ignition
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ignition:
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containerLinuxConfig:
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additionalConfig: |
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storage:
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links:
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- path: /etc/extensions/kubernetes.raw
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hard: false
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target: /opt/extensions/kubernetes/kubernetes-${KUBERNETES_VERSION}-x86-64.raw
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files:
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- path: /etc/sysupdate.kubernetes.d/kubernetes-${KUBERNETES_VERSION%.*}.conf
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mode: 0644
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contents:
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remote:
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url: https://github.com/flatcar/sysext-bakery/releases/download/latest/kubernetes-${KUBERNETES_VERSION%.*}.conf
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- path: /etc/sysupdate.d/noop.conf
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mode: 0644
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contents:
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remote:
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url: https://github.com/flatcar/sysext-bakery/releases/download/latest/noop.conf
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- path: /opt/extensions/kubernetes/kubernetes-${KUBERNETES_VERSION}-x86-64.raw
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contents:
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remote:
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url: https://github.com/flatcar/sysext-bakery/releases/download/latest/kubernetes-${KUBERNETES_VERSION}-x86-64.raw
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systemd:
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units:
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- name: systemd-sysupdate.service
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dropins:
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- name: kubernetes.conf
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contents: |
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[Service]
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ExecStartPre=/usr/bin/sh -c "readlink --canonicalize /etc/extensions/kubernetes.raw > /tmp/kubernetes"
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ExecStartPre=/usr/lib/systemd/systemd-sysupdate -C kubernetes update
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ExecStartPost=/usr/bin/sh -c "readlink --canonicalize /etc/extensions/kubernetes.raw > /tmp/kubernetes-new"
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ExecStartPost=/usr/bin/sh -c "if ! cmp --silent /tmp/kubernetes /tmp/kubernetes-new; then touch /run/reboot-required; fi"
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- name: update-engine.service
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# Set this to 'false' if you want to enable Flatcar auto-update
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mask: ${FLATCAR_DISABLE_AUTO_UPDATE:=true}
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- name: locksmithd.service
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# NOTE: To coordinate the node reboot in this context, we recommend to use Kured.
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mask: true
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- name: systemd-sysupdate.timer
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# Set this to 'true' if you want to enable the Kubernetes auto-update.
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# NOTE: Only patches version will be pulled.
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enabled: false
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- name: kubeadm.service
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dropins:
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- name: 10-flatcar.conf
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contents: |
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[Unit]
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After=oem-cloudinit.service
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# kubeadm must run after containerd - see https://github.com/kubernetes-sigs/image-builder/issues/939.
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After=containerd.service
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joinConfiguration:
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nodeRegistration:
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kubeletExtraArgs:
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cloud-provider: external
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name: '@@HOSTNAME@@'
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postKubeadmCommands: []
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preKubeadmCommands:
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- sed -i "s/@@HOSTNAME@@/$(curl -s -H Metadata:true --noproxy '*' 'http://169.254.169.254/metadata/instance?api-version=2020-09-01' | jq -r .compute.name)/g" /etc/kubeadm.yml

‎templates/flavors/flatcar-sysext/patches/kubeadm-controlplane.yaml‎

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---
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apiVersion: controlplane.cluster.x-k8s.io/v1beta1
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kind: KubeadmControlPlane
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metadata:
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name: ${CLUSTER_NAME}-control-plane
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spec:
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kubeadmConfigSpec:
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diskSetup:
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filesystems:
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- device: /dev/disk/azure/scsi1/lun0
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extraOpts:
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- -E
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- lazy_itable_init=1,lazy_journal_init=1
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filesystem: ext4
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label: etcd_disk
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overwrite: false
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# Workaround for https://github.com/kubernetes-sigs/cluster-api/issues/7679.
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partitions: []
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format: ignition
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ignition:
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containerLinuxConfig:
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additionalConfig: |
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systemd:
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units:
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- name: systemd-sysupdate.service
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dropins:
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- name: kubernetes.conf
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contents: |
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[Service]
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ExecStartPre=/usr/bin/sh -c "readlink --canonicalize /etc/extensions/kubernetes.raw > /tmp/kubernetes"
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ExecStartPre=/usr/lib/systemd/systemd-sysupdate -C kubernetes update
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ExecStartPost=/usr/bin/sh -c "readlink --canonicalize /etc/extensions/kubernetes.raw > /tmp/kubernetes-new"
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ExecStartPost=/usr/bin/sh -c "if ! cmp --silent /tmp/kubernetes /tmp/kubernetes-new; then touch /run/reboot-required; fi"
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- name: update-engine.service
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# Set this to 'false' if you want to enable Flatcar auto-update
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mask: ${FLATCAR_DISABLE_AUTO_UPDATE:=true}
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- name: locksmithd.service
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# NOTE: To coordinate the node reboot in this context, we recommend to use Kured.
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mask: true
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- name: systemd-sysupdate.timer
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# Set this to 'true' if you want to enable the Kubernetes auto-update.
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# NOTE: Only patches version will be pulled.
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enabled: false
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- name: kubeadm.service
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dropins:
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- name: 10-flatcar.conf
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contents: |
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[Unit]
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After=oem-cloudinit.service
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# kubeadm must run after containerd - see https://github.com/kubernetes-sigs/image-builder/issues/939.
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After=containerd.service
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# Workaround for https://github.com/kubernetes-sigs/cluster-api/issues/7679.
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storage:
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disks:
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- device: /dev/disk/azure/scsi1/lun0
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partitions:
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- number: 1
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links:
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- path: /etc/extensions/kubernetes.raw
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hard: false
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target: /opt/extensions/kubernetes/kubernetes-${KUBERNETES_VERSION}-x86-64.raw
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files:
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- path: /etc/sysupdate.kubernetes.d/kubernetes-${KUBERNETES_VERSION%.*}.conf
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mode: 0644
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contents:
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remote:
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url: https://github.com/flatcar/sysext-bakery/releases/download/latest/kubernetes-${KUBERNETES_VERSION%.*}.conf
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- path: /etc/sysupdate.d/noop.conf
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mode: 0644
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contents:
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remote:
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url: https://github.com/flatcar/sysext-bakery/releases/download/latest/noop.conf
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- path: /opt/extensions/kubernetes/kubernetes-${KUBERNETES_VERSION}-x86-64.raw
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contents:
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remote:
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url: https://github.com/flatcar/sysext-bakery/releases/download/latest/kubernetes-${KUBERNETES_VERSION}-x86-64.raw
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initConfiguration:
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nodeRegistration:
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name: '@@HOSTNAME@@'
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joinConfiguration:
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nodeRegistration:
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name: '@@HOSTNAME@@'
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mounts:
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- - etcd_disk
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- /var/lib/etcddisk
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postKubeadmCommands: []
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preKubeadmCommands:
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- sed -i "s/@@HOSTNAME@@/$(curl -s -H Metadata:true --noproxy '*' 'http://169.254.169.254/metadata/instance?api-version=2020-09-01' | jq -r .compute.name)/g" /etc/kubeadm.yml
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
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kind: AzureMachineTemplate
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metadata:
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name: ${CLUSTER_NAME}-control-plane
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spec:
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template:
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spec:
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image:
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computeGallery:
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gallery: flatcar-23485951-527a-48d6-9d11-6931ff0afc2e
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name: flatcar-stable-amd64
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version: ${FLATCAR_VERSION}

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