k3s/cluster/gce/coreos/master-rkt.yaml

#cloud-config

coreos:
  update:
    reboot-strategy: off
  units:
    - name: locksmithd.service
      mask: true
    - name: kube-env.service
      command: start
      content: |
        [Unit]
        Description=Fetch kubernetes-node-environment
        Requires=network-online.target
        After=network-online.target
        [Service]
        Type=oneshot
        RemainAfterExit=yes
        ExecStartPre=/usr/bin/curl --fail --silent --show-error \
        -H "X-Google-Metadata-Request: True" \
        -o /etc/kube-env.yaml \
        http://metadata.google.internal/computeMetadata/v1/instance/attributes/kube-env
        # Transform the yaml to env file.
        ExecStartPre=/usr/bin/mv /etc/kube-env.yaml /etc/kube-env
        ExecStart=/usr/bin/sed -i "s/: '/=/;s/'$//" /etc/kube-env        

    - name: kubernetes-install-cni.service
      command: start
      content: |
        [Unit]
        Description=Download cni
        Requires=network-online.target
        After=network-online.target
        [Service]
        Type=oneshot
        RemainAfterExit=yes
        ExecStartPre=/usr/bin/mkdir -p /opt/cni
        ExecStartPre=/usr/bin/curl --fail --silent --show-error --location --create-dirs --output /opt/downloads/cni.tar.gz https://storage.googleapis.com/kubernetes-release/network-plugins/cni-07a8a28637e97b22eb8dfe710eeae1344f69d16e.tar.gz
        ExecStart=/usr/bin/tar xf /opt/downloads/cni.tar.gz -C /opt/cni/        

    - name: kubernetes-install-docker2aci.service
      command: start
      content: |
        [Unit]
        Description=Download docker2aci
        Requires=network-online.target
        After=network-online.target
        [Service]
        Type=oneshot
        RemainAfterExit=yes
        ExecStartPre=/usr/bin/mkdir -p /opt/docker2aci
        ExecStartPre=/usr/bin/curl --fail --silent --show-error --location --create-dirs --output /opt/downloads/docker2aci.tar.gz https://github.com/appc/docker2aci/releases/download/v0.11.1/docker2aci-v0.11.1.tar.gz
        ExecStart=/usr/bin/tar --strip-components=1 -xf /opt/downloads/docker2aci.tar.gz -C /opt/docker2aci/ --overwrite        

    - name: kubernetes-install-rkt.service
      command: start
      content: |
        [Unit]
        Description=Fetch rkt
        Documentation=http://github.com/coreos/rkt
        Requires=network-online.target
        After=network-online.target
        Requires=kube-env.service
        After=kube-env.service
        [Service]
        Type=oneshot
        RemainAfterExit=yes
        EnvironmentFile=/etc/kube-env
        ExecStartPre=/usr/bin/mkdir -p /etc/rkt /opt/downloads /opt/rkt/
        ExecStartPre=/usr/bin/curl --fail --silent --location --create-dirs --output /opt/downloads/rkt.tar.gz https://github.com/coreos/rkt/releases/download/v${RKT_VERSION}/rkt-v${RKT_VERSION}.tar.gz
        ExecStart=/usr/bin/tar --strip-components=1 -xf /opt/downloads/rkt.tar.gz -C /opt/rkt/ --overwrite        

    - name: kubernetes-load-rkt-stage1.service
      command: start
      content: |
        [Unit]
        Description=Load rkt stage1 images
        Documentation=http://github.com/coreos/rkt
        Requires=network-online.target
        After=network-online.target
        Requires=kubernetes-install-rkt.service
        After=kubernetes-install-rkt.service
        [Service]
        Type=oneshot
        ExecStart=/opt/rkt/rkt fetch /opt/rkt/stage1-coreos.aci /opt/rkt/stage1-kvm.aci /opt/rkt/stage1-fly.aci  --insecure-options=image        

    - name: kubernetes-download-salt.service
      command: start
      content: |
        [Unit]
        Description=Download salt
        Requires=network-online.target
        After=network-online.target
        Requires=kube-env.service
        After=kube-env.service
        [Service]
        Type=oneshot
        RemainAfterExit=yes
        EnvironmentFile=/etc/kube-env
        ExecStartPre=/usr/bin/mkdir -p /opt/downloads
        ExecStartPre=/usr/bin/curl --fail --silent --show-error --location --create-dirs --output \
        /opt/downloads/kubernetes-salt.tar.gz ${SALT_TAR_URL}
        # TODO(yifan): Check hash.
        ExecStart=/usr/bin/tar xf /opt/downloads/kubernetes-salt.tar.gz -C /opt --overwrite        

    - name: kubernetes-download-manifests.service
      command: start
      content: |
        [Unit]
        Description=Download manifests
        Requires=network-online.target
        After=network-online.target
        Requires=kube-env.service
        After=kube-env.service
        [Service]
        Type=oneshot
        RemainAfterExit=yes
        EnvironmentFile=/etc/kube-env
        ExecStartPre=/usr/bin/mkdir -p /opt/downloads
        ExecStartPre=/usr/bin/curl --fail --silent --show-error --location --create-dirs --output \
        /opt/downloads/kubernetes-manifests.tar.gz ${KUBE_MANIFESTS_TAR_URL}
        # TODO(yifan): Check hash.
        ExecStartPre=/usr/bin/mkdir -p /opt/kube-manifests
        ExecStart=/usr/bin/tar xf /opt/downloads/kubernetes-manifests.tar.gz -C /opt/kube-manifests --overwrite        

    - name: kubernetes-install-node.service
      command: start
      content: |
        [Unit]
        Description=Install Kubernetes Server
        Requires=network-online.target
        After=network-online.target
        Requires=kube-env.service
        After=kube-env.service
        [Service]
        Type=oneshot
        RemainAfterExit=yes
        EnvironmentFile=/etc/kube-env
        ExecStartPre=/usr/bin/mkdir -p /opt/downloads
        ExecStartPre=/usr/bin/curl --fail --silent --show-error --location --create-dirs --output \
        /opt/downloads/kubernetes-server-linux-amd64.tar.gz ${SERVER_BINARY_TAR_URL}
        # TODO(yifan): Check hash.
        ExecStart=/usr/bin/tar xf /opt/downloads/kubernetes-server-linux-amd64.tar.gz -C /opt --overwrite        

    - name: rkt-api-service.service
      command: start
      content: |
        [Unit]
        Description=Start rkt API service as Daemon
        Requires=kubernetes-install-rkt.service
        After=kubernetes-install-rkt.service
        [Service]
        ExecStart=/opt/rkt/rkt api-service
        Restart=always
        RestartSec=10        

    - name: kubelet.service
      command: start
      content: |
        [Unit]
        Description=Run Kubelet service
        Requires=network-online.target kube-env.service kubernetes-download-manifests.service kubernetes-install-cni.service kubernetes-load-rkt-stage1.service
        After=network-online.target kube-env.service kubernetes-download-manifests.service kubernetes-install-cni.service kubernetes-load-rkt-stage1.service
        [Service]
        EnvironmentFile=/etc/kube-env
        ExecStartPre=/usr/bin/curl --fail --silent --show-error \
        -H "X-Google-Metadata-Request: True" \
        -o /run/configure-kubelet.sh \
        http://metadata.google.internal/computeMetadata/v1/instance/attributes/configure-kubelet
        ExecStartPre=/usr/bin/chmod 0755 /run/configure-kubelet.sh
        ExecStartPre=/run/configure-kubelet.sh
        ExecStart=/opt/kubernetes/server/bin/kubelet \
        --api-servers=https://${INSTANCE_PREFIX}-master \
        --enable-debugging-handlers=false \
        --cloud-provider=gce \
        --config=/etc/kubernetes/manifests \
        --allow-privileged=true \
        --v=2 \
        --cluster-dns=${DNS_SERVER_IP} \
        --cluster-domain=${DNS_DOMAIN} \
        --logtostderr=true \
        --container-runtime=rkt \
        --rkt-path=/opt/rkt/rkt \
        --rkt-stage1-image=${RKT_STAGE_IMAGE} \
        --pod-cidr=${MASTER_IP_RANGE} \
        --register-schedulable=false
        Restart=always
        RestartSec=10
        KillMode=process        

    - name: docker.service
      command: stop

    - name: kubernetes-configure-node.service
      command: start
      content: |
        [Unit]
        Description=Configure Node For Kubernetes service
        Requires=kubernetes-install-node.service
        After=kubernetes-install-node.service
        Requires=kubernetes-install-rkt.service
        After=kubernetes-install-rkt.service
        Requires=kubernetes-download-salt.service
        After=kubernetes-download-salt.service
        Requires=kubernetes-download-manifests.service
        After=kubernetes-download-manifests.service
        Requires=kubernetes-install-docker2aci.service
        After=kubernetes-install-docker2aci.service
        Requires=kubelet.service
        After=kubelet.service
        [Service]
        Type=oneshot
        RemainAfterExit=yes
        EnvironmentFile=/etc/kube-env
        ExecStartPre=/usr/bin/curl --fail --silent --show-error \
        -H "X-Google-Metadata-Request: True" \
        -o /run/configure-node.sh \
        http://metadata.google.internal/computeMetadata/v1/instance/attributes/configure-node
        ExecStartPre=/usr/bin/chmod 0755 /run/configure-node.sh
        ExecStart=/run/configure-node.sh