os-dependent/chromeos/upstart-scripts/moblab-dockerd.conf

# Copyright 2019 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

description   "."
author        "chromium-os-dev@chromium.org"

# Disable OOM killer, critical for Moblab operation.
oom score never

start on (stopped moblab-network-init RESULT=ok and started failsafe)

respawn

normal exit 0

script
  mkdir -p /var/log/bootup/
  exec >>/var/log/bootup/${UPSTART_JOB}.log 2>&1
  set -x
  set +e

  APP_KEY="$(vpd -i RW_VPD -g application)"

  set -e

  # Hope to stop too many file handle open issues on docker
  # default was 1024 went 4x
  ulimit -n 16384

  # Migrate the docker data root away from moblab home directory but
  # keep on the stateful partition.  A bug was caused by setting the
  # ownership of all files in the moblab home directory.
  OLD_DOCKER_DATA_ROOT=/home/moblab/containers/docker
  DOCKER_DATA_ROOT=/var/docker/data
  mkdir -p "${DOCKER_DATA_ROOT}"
  if [ -d "${OLD_DOCKER_DATA_ROOT}/volumes" ] && [ ! -e "${DOCKER_DATA_ROOT}/volumes" ]
  then
    ln -s "${OLD_DOCKER_DATA_ROOT}/volumes" "${DOCKER_DATA_ROOT}/volumes"
    find "${OLD_DOCKER_DATA_ROOT}" -maxdepth 1 -not -name volumes -not -name docker -exec rm -rf {} \;
  fi

  mkdir -p /var/run/dockerd

  EXTRA_ARGS=""

  if [ "${APP_KEY}" = "satlab" ]
  then
    EXTRA_ARGS="-H tcp://192.168.231.1:2375 -H unix:///var/run/docker.sock"
  fi
  /usr/bin/dockerd --data-root "${DOCKER_DATA_ROOT}" ${EXTRA_ARGS}

end script

# check that docker is actually running before the started event is emitted
post-start script
  while ! docker info ; do sleep 1 ; done
end script