k3s/cluster/libvirt-coreos/user_data_master.yml

#cloud-config

coreos:
  units:
    - name: kube-apiserver.service
      command: start
      content: |
        [Unit]
        After=opt-kubernetes.mount etcd2.service
        ConditionFileIsExecutable=/opt/kubernetes/bin/kube-apiserver
        Description=Kubernetes API Server
        Documentation=https://github.com/kubernetes/kubernetes
        Requires=opt-kubernetes.mount etcd2.service

        [Service]
        ExecStart=/opt/kubernetes/bin/kube-apiserver \
        --service-account-key-file=/opt/kubernetes/certs/kube-serviceaccount.key \
        --service-account-lookup=${SERVICE_ACCOUNT_LOOKUP} \
        --admission-control=${ADMISSION_CONTROL} \
        --insecure-bind-address=0.0.0.0 \
        --insecure-port=8080 \
        --etcd-servers=http://127.0.0.1:2379 \
        --kubelet-port=10250 \
        --service-cluster-ip-range=${SERVICE_CLUSTER_IP_RANGE}
        Restart=always
        RestartSec=2

        [Install]
        WantedBy=multi-user.target
    - name: kube-controller-manager.service
      command: start
      content: |
        [Unit]
        After=opt-kubernetes.mount kube-apiserver.service
        ConditionFileIsExecutable=/opt/kubernetes/bin/kube-controller-manager
        Description=Kubernetes Controller Manager
        Documentation=https://github.com/kubernetes/kubernetes
        Requires=opt-kubernetes.mount kube-apiserver.service

        [Service]
        ExecStart=/opt/kubernetes/bin/kube-controller-manager \
        --master=127.0.0.1:8080 \
        --service-account-private-key-file=/opt/kubernetes/certs/kube-serviceaccount.key \
        Restart=always
        RestartSec=2

        [Install]
        WantedBy=multi-user.target
    - name: kube-scheduler.service
      command: start
      content: |
        [Unit]
        After=opt-kubernetes.mount kube-apiserver.service
        ConditionFileIsExecutable=/opt/kubernetes/bin/kube-scheduler
        Description=Kubernetes Scheduler
        Documentation=https://github.com/kubernetes/kubernetes
        Requires=opt-kubernetes.mount kube-apiserver.service

        [Service]
        ExecStart=/opt/kubernetes/bin/kube-scheduler \
        --master=127.0.0.1:8080
        Restart=always
        RestartSec=2

        [Install]
        WantedBy=multi-user.target
    - name: kube-addons.service
      command: start
      content: |
        [Unit]
        After=opt-kubernetes.mount kube-apiserver.service
        ConditionPathIsDirectory=/opt/kubernetes/addons
        Description=Kubernetes addons
        Documentation=https://github.com/kubernetes/kubernetes
        Requires=opt-kubernetes.mount
        Wants=kube-apiserver.service

        [Service]
        Type=oneshot
        ExecStartPre=/bin/bash -c 'while [[ \"\$(curl -s http://127.0.0.1:8080/healthz)\" != \"ok\" ]]; do sleep 1; done'
        ExecStartPre=/bin/sleep 10
        ExecStart=/opt/kubernetes/bin/kubectl create -f /opt/kubernetes/addons
        ExecStop=/opt/kubernetes/bin/kubectl delete -f /opt/kubernetes/addons
        RemainAfterExit=yes

        [Install]
        WantedBy=multi-user.target