docker/firstboot/start_docker_agents.sh

   1 #!/bin/bash
   2 set -eux
   3
   4 # TODO remove this when built image includes docker
   5 if [ ! -f "/usr/bin/docker" ]; then
   6     yum -y install docker
   7 fi
   8
   9 # Local docker registry 1.8
  10 # NOTE(mandre) $docker_namespace_is_registry is not a bash variable but is
  11 # a place holder for text replacement done via heat
  12 if [ "$docker_namespace_is_registry" = "True" ]; then
  13     /usr/bin/systemctl stop docker.service
  14     # if namespace is used with local registry, trim all namespacing
  15     trim_var=$docker_registry
  16     registry_host="${trim_var%%/*}"
  17     /bin/sed -i -r "s/^[# ]*INSECURE_REGISTRY *=.+$/INSECURE_REGISTRY='--insecure-registry $registry_host'/" /etc/sysconfig/docker
  18 fi
  19
  20 mkdir -p /var/lib/etc-data/json-config #FIXME: this should be a docker data container
  21
  22 # NOTE(flaper87): Heat Agent required mounts
  23 AGENT_COMMAND_MOUNTS="\
  24 -v /var/lib/etc-data:/var/lib/etc-data \
  25 -v /run:/run \
  26 -v /etc/hosts:/etc/hosts \
  27 -v /etc:/host/etc \
  28 -v /var/lib/dhclient:/var/lib/dhclient \
  29 -v /var/lib/cloud:/var/lib/cloud \
  30 -v /var/lib/heat-cfntools:/var/lib/heat-cfntools \
  31 -v /var/lib/os-collect-config:/var/lib/os-collect-config \
  32 -v /var/lib/os-apply-config-deployments:/var/lib/os-apply-config-deployments \
  33 -v /var/lib/heat-config:/var/lib/heat-config \
  34 -v /etc/sysconfig/docker:/etc/sysconfig/docker \
  35 -v /etc/sysconfig/network-scripts:/etc/sysconfig/network-scripts \
  36 -v /usr/lib64/libseccomp.so.2:/usr/lib64/libseccomp.so.2 \
  37 -v /usr/bin/docker:/usr/bin/docker \
  38 -v /usr/bin/docker-current:/usr/bin/docker-current \
  39 -v /var/lib/os-collect-config:/var/lib/os-collect-config"
  40
  41 # heat-docker-agents service
  42 cat <<EOF > /etc/systemd/system/heat-docker-agents.service
  43 [Unit]
  44 Description=Heat Docker Agent Container
  45 After=docker.service
  46 Requires=docker.service
  47 Before=os-collect-config.service
  48 Conflicts=os-collect-config.service
  49
  50 [Service]
  51 User=root
  52 Restart=always
  53 ExecStartPre=-/usr/bin/docker rm -f heat-agents
  54 ExecStart=/usr/bin/docker run --name heat-agents --privileged --net=host \
  55     $AGENT_COMMAND_MOUNTS \
  56     --entrypoint=/usr/bin/os-collect-config $agent_image
  57 ExecStop=/usr/bin/docker stop heat-agents
  58
  59 [Install]
  60 WantedBy=multi-user.target
  61 EOF
  62
  63 # enable and start heat-docker-agents
  64 /usr/bin/systemctl enable heat-docker-agents.service
  65 /usr/bin/systemctl start --no-block heat-docker-agents.service
  66
  67 # Disable libvirtd
  68 /usr/bin/systemctl disable libvirtd.service
  69 /usr/bin/systemctl stop libvirtd.service