CoreOS cloud-configs utilising kontena 0.12 (example files)

node1.yml

#cloud-config
hostname: "node1"

coreos:
  update:
    reboot-strategy: "best-effort"
    group: "alpha"
  units:
    - name: settimezone.service
      command: start
      content: |
        [Unit]
        Description=Set the time zone

        [Service]
        ExecStart=/usr/bin/timedatectl set-timezone Europe/Berlin
        RemainAfterExit=yes
        Type=oneshot
    - name: 00-eth0.network
      runtime: true
      content: |
        [Match]
        Name=eth0

        [Network]
        Address=1.2.3.4/22
        Gateway=1.2.3.1

write_files:
  - path: "/etc/resolv.conf"
    permissions: "0644"
    owner: "root"
    content: |
      nameserver 172.17.43.1
      nameserver 8.8.8.8
      nameserver 8.8.4.4
#####
# Start Kontena Configuration
#####
#cloud-config
write_files:
  - path: /etc/kontena-agent.env
    permissions: 0600
    owner: root
    content: |
      KONTENA_URI="https://kontena.example.org:8443"
      KONTENA_TOKEN="oRqZWHtEd8YpVSqxXRDBeVjML/6SNhjQD/j2GCi9IVx/enqS3K1U/FEQZL4riA6iyfCh7TBOL0y+eZxKs/oO+g=="
      KONTENA_PEER_INTERFACE=eth1
      KONTENA_VERSION=latest
  - path: /etc/systemd/system/docker.service.d/50-kontena.conf
    content: |
        [Service]
        Environment='DOCKER_OPTS=--insecure-registry="10.81.0.0/19" --bip="172.17.43.1/16"'
  - path: /etc/sysctl.d/99-inotify.conf
    owner: root
    permissions: 0644
    content: |
      fs.inotify.max_user_instances = 8192
coreos:
  units:
    - name: 01-eth.network
      runtime: true
      content: |
        [Match]
        Name=eth*
        [Network]
        DHCP=yes
        DNS=172.17.43.1
        DNS=8.8.8.8
        DNS=8.8.4.4
        
        DOMAINS=kontena.local
        [DHCP]
        UseDNS=false

    - name: 10-weave.network
      runtime: false
      content: |
        [Match]
        Type=bridge
        Name=weave*

        [Network]
    - name: kontena-agent.service
      command: start
      enable: true
      content: |
        [Unit]
        Description=kontena-agent
        After=network-online.target
        After=docker.service
        Description=Kontena Agent
        Documentation=http://www.kontena.io/
        Requires=network-online.target
        Requires=docker.service

        [Service]
        Restart=always
        RestartSec=5
        EnvironmentFile=/etc/kontena-agent.env
        ExecStartPre=-/usr/bin/docker stop kontena-agent
        ExecStartPre=-/usr/bin/docker rm kontena-agent
        ExecStartPre=/usr/bin/docker pull kontena/agent:${KONTENA_VERSION}
        ExecStart=/usr/bin/docker run --name kontena-agent \
            -e KONTENA_URI=${KONTENA_URI} \
            -e KONTENA_TOKEN=${KONTENA_TOKEN} \
            -e KONTENA_PEER_INTERFACE=${KONTENA_PEER_INTERFACE} \
            -v=/var/run/docker.sock:/var/run/docker.sock \
            -v=/etc/kontena-agent.env:/etc/kontena.env \
            --net=host \
            kontena/agent:${KONTENA_VERSION}

node2.yml

#cloud-config
hostname: "node2"

coreos:
  update:
    reboot-strategy: "best-effort"
    group: "alpha"
  units:
    - name: settimezone.service
      command: start
      content: |
        [Unit]
        Description=Set the time zone

        [Service]
        ExecStart=/usr/bin/timedatectl set-timezone Europe/Berlin
        RemainAfterExit=yes
        Type=oneshot
    - name: 00-eth0.network
      runtime: true
      content: |
        [Match]
        Name=eth0

        [Network]
        DHCP=no
        Address=4.5.6.7/27
        Gateway=4.5.6.8

write_files:
  - path: "/etc/resolv.conf"
    permissions: "0644"
    owner: "root"
    content: |
      nameserver 172.17.43.1
      nameserver 8.8.8.8
      nameserver 8.8.4.4
      
#####
# Start Kontena Configuration
#####
#cloud-config
write_files:
  - path: /etc/kontena-agent.env
    permissions: 0600
    owner: root
    content: |
      KONTENA_URI="https://kontena.example.org:8443"
      KONTENA_TOKEN="oRqZWHtEd8YpVSqxXRDBeVjML/6SNhjQD/j2GCi9IVx/enqS3K1U/FEQZL4riA6iyfCh7TBOL0y+eZxKs/oO+g=="
      KONTENA_PEER_INTERFACE=eth1
      KONTENA_VERSION=latest
  - path: /etc/systemd/system/docker.service.d/50-kontena.conf
    content: |
        [Service]
        Environment='DOCKER_OPTS=--insecure-registry="10.81.0.0/19" --bip="172.17.43.1/16"'
  - path: /etc/sysctl.d/99-inotify.conf
    owner: root
    permissions: 0644
    content: |
      fs.inotify.max_user_instances = 8192
coreos:
  units:
    - name: 01-eth.network
      runtime: true
      content: |
        [Match]
        Name=eth*
        [Network]
        DHCP=yes
        DNS=172.17.43.1
        DNS=8.8.8.8
        DNS=8.8.4.4
        
        DOMAINS=kontena.local
        [DHCP]
        UseDNS=false

    - name: 10-weave.network
      runtime: false
      content: |
        [Match]
        Type=bridge
        Name=weave*

        [Network]
    - name: kontena-agent.service
      command: start
      enable: true
      content: |
        [Unit]
        Description=kontena-agent
        After=network-online.target
        After=docker.service
        Description=Kontena Agent
        Documentation=http://www.kontena.io/
        Requires=network-online.target
        Requires=docker.service

        [Service]
        Restart=always
        RestartSec=5
        EnvironmentFile=/etc/kontena-agent.env
        ExecStartPre=-/usr/bin/docker stop kontena-agent
        ExecStartPre=-/usr/bin/docker rm kontena-agent
        ExecStartPre=/usr/bin/docker pull kontena/agent:${KONTENA_VERSION}
        ExecStart=/usr/bin/docker run --name kontena-agent \
            -e KONTENA_URI=${KONTENA_URI} \
            -e KONTENA_TOKEN=${KONTENA_TOKEN} \
            -e KONTENA_PEER_INTERFACE=${KONTENA_PEER_INTERFACE} \
            -v=/var/run/docker.sock:/var/run/docker.sock \
            -v=/etc/kontena-agent.env:/etc/kontena.env \
            --net=host \
            kontena/agent:${KONTENA_VERSION}