variant: flatcar
version: 1.1.0

systemd:
  units:
    - name: litestream.service
      enabled: true
      contents: |
        [Unit]
        Description=Litestream

        [Service]
        Restart=always
        TimeoutSec=1800
        TimeoutStartSec=180
        ExecStartPre=/bin/bash -c "mkdir -p /opt/litestream && curl -L https://github.com/benbjohnson/litestream/releases/download/${litestream_version}/litestream-${litestream_version}-linux-arm64.tar.gz | tar -xvz -C /opt/litestream/"
        ExecStartPre=/opt/litestream/litestream restore -replica s3 -if-db-not-exists -if-replica-exists /var/lib/rancher/k3s/server/db/state.db
        ExecStart=/opt/litestream/litestream replicate

        [Install]
        WantedBy=multi-user.target
    - name: k3s-install.service
      enabled: true
      contents: |
        [Unit]
        Description=Run K3s script
        Wants = network-online.target
        After = network.target network-online.target litestream.service
        ConditionPathExists=/opt/k3s-install.sh
        ConditionPathExists=!/opt/k3s/bin/k3s

        [Service]
        Type=forking
        Restart=always
        TimeoutSec=1800
        TimeoutStartSec=120
        ExecStartPre=-/sbin/modprobe br_netfilter
        ExecStartPre=-/sbin/modprobe overlay
        ExecStartPre=mkdir -p /opt/k3s
        LimitNOFILE=1048576
        LimitNPROC=infinity
        LimitCORE=infinity
        TasksMax=infinity
        TimeoutStartSec=180
        RemainAfterExit=yes
        KillMode=process
        Environment="K3S_TOKEN=${k3s_token}"
        Environment="INSTALL_K3S_VERSION=${k3s_version}"
        Environment="INSTALL_K3S_BIN_DIR=/opt/k3s"
        Environment="INSTALL_K3S_EXEC=server --data-dir /var/lib/rancher/k3s --advertise-address 172.23.2.10 --node-ip ${node_ip} --node-taint=node-type=k3s-controlplane:NoSchedule %{for san in k3s_sans }--tls-san='${san}' %{endfor} --disable-cloud-controller --disable servicelb --kubelet-arg=cloud-provider=external"
        ExecStart=/usr/bin/sh -c "/opt/k3s-install.sh"

        [Install]
        WantedBy=multi-user.target

storage:
  files:
    - path: /etc/hostname
      mode: 0644
      contents:
        inline: ${host}
    - path: /opt/k3s-install.sh
      mode: 0777
      contents:
        source: https://get.k3s.io
    - path: /etc/litestream.yml
      mode: 0644
      contents:
        source: data:;base64,${litestream_config}