control-cloud_config.yaml

coreos:
  update:
    reboot-strategy: etcd-lock
  fleet:
    <<: *FLEET_METADATA
    public-ip: $private_ipv4
  etcd:
    <<: *ETCD_DISCOVERY
    addr: $private_ipv4:4001
    peer-addr: $private_ipv4:7001
  units:
    - name: format-ephemeral.service
      command: start
      content: |
        [Unit]
        Description=Formats the ephemeral drive
        [Service]
        Type=oneshot
        RemainAfterExit=yes
        ExecStart=/usr/sbin/wipefs -f /dev/xvdb
        ExecStart=/usr/sbin/mkfs.ext4 /dev/xvdb
    - name: var-lib-docker.mount
      command: start
      content: |
        [Unit]
        Description=Mount ephemeral to /var/lib/docker
        Requires=format-ephemeral.service
        After=format-ephemeral.service
        Before=docker.service
        [Mount]
        What=/dev/xvdb
        Where=/var/lib/docker
        Type=ext4
    - name: etcd.service
      command: start
      enable: true
    - name: fleet.service
      command: start
      enable: true
    - name: docker.service
      drop-ins:
        - name: 50-dns-search.conf
          content: |
            [Service]
            Environment='DOCKER_OPTS=--dns 172.17.42.1 --dns-search cluster.local'
    - name: aws-runtime-environment.install.service
      command: start
      enable: true
      content: |
        [Unit]
        Description=AWS runtime environment installer
        After=fleet.service
        
        [Service]
        Type=oneshot
        RemainAfterExit=true
        ExecStartPre=/bin/bash -c 'echo "EC2_INSTANCE_ID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)" | sudo tee -a /etc/aws_environment'
        ExecStartPre=/bin/bash -c 'echo "AWS_AVAILABILITY_ZONE=$(curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone)" | sudo tee -a /etc/aws_environment'
        ExecStartPre=/bin/bash -c 'sed -i s/METADATA=/METADATA=aws_az=$(curl -s 169.254.169.254/latest/meta-data/placement/availability-zone),ec2_id=$(curl -s http://169.254.169.254/latest/meta-data/instance-id),/ /run/systemd/system/fleet.service.d/20-cloudinit.conf'
        ExecStart=/usr/bin/echo "Finished installing AWS runtime environment"
        ExecStartPost=/usr/bin/systemctl daemon-reload
        ExecStartPost=/usr/bin/systemctl stop fleet
        ExecStartPost=/usr/bin/systemctl start fleet
    - name: preload-container-images.install.service
      command: start
      enable: true
      content: |
        [Unit]
        Description=Pre-load container baseimages
        Requires=docker.service
        After=docker.service
        
        [Service]
        Type=oneshot
        RemainAfterExit=true
        TimeoutStartSec=10m
        ExecStart=/usr/bin/docker pull nordstrom/util:2015-02-27
        ExecStart=/usr/bin/docker tag nordstrom/util:2015-02-27 util
        ExecStart=/usr/bin/docker pull nordstrom/awscli:1.7.12
        ExecStart=/usr/bin/docker tag nordstrom/awscli:1.7.12 awscli
        ExecStart=/usr/bin/docker pull nordstrom/baseimage-ubuntu:14.04.1
write_files:
  - path: /etc/aws_environment
    <<: *AWS_ENVIRONMENT_CONTENT
  - path: /etc/stack_environment
    <<: *STACK_ENVIRONMENT_CONTENT
  - path: /etc/profile.d/alias.sh
    content: |
      alias ll='ls -l'
      alias d='docker '
      alias ds='docker ps'
      alias di='docker images'
      alias drm='docker rm -f $(docker ps -qa)'
      alias sd='sudo systemctl'
      alias cci='sudo coreos-cloudinit --from-file'
      alias j='journalctl'
      function nsa { sudo nsenter -p -u -m -i -n -t $(docker inspect -f '{{ .State.Pid }}' $1) ; }