description "Weave Docker Network Service"

start on started docker
stop on stopping docker

env WEAVE_DOCKER_ARGS="--env SERVICE_6783_NAME=weave"

pre-start script
  if [ -f /etc/default/cfk ]; then
    eval $(cat /etc/default/cfk | sed 's/^/export /')
  fi
  weave stop || /bin/true
  eval $(weave env --restore)
  if [ -f /var/run/weave/weave.env ]; then
    rm /var/run/weave/weave.env
  fi
end script

script
  if [ -f /etc/default/cfk ]; then
    eval $(cat /etc/default/cfk | sed 's/^/export /')
  fi

  weave launch-router --init-peer-count ${INITIAL_PEERS:-1} --http-addr 0.0.0.0:6784
  weave launch-proxy --rewrite-inspect --without-dns

  sleep 10

  mkdir -p /var/run/weave
  weave env > /var/run/weave/weave.env
  weave expose

  exec docker logs -f weave
end script

post-start script
  DEAD_CONTAINERS=$(docker ps -a --filter "status=dead" --format "{{ .ID }}")
  if [ $(echo $DEAD_CONTAINERS | wc -w) -gt 0 ]; then $(echo $DEAD_CONTAINERS | xargs docker rm -f || true); fi
  EXITED_CONTAINERS=$(docker ps -a --filter "status=exited" --format "{{ .ID }}")
  if [ $(echo $EXITED_CONTAINERS | wc -w) -gt 0 ]; then $(echo $EXITED_CONTAINERS | xargs docker rm -f || true); fi

  while true; do
    sleep 30
    (docker ps --format={{.Names}} | grep "^weave$") && (docker ps --format={{.Names}} | grep weaveproxy) && exit 0
    status weave | grep respawn && exit 0
  done
end script

pre-stop script
  if [ -f /etc/default/cfk ]; then
    eval $(cat /etc/default/cfk | sed 's/^/export /')
  fi
  weave stop || /bin/true
  eval $(weave env --restore)
  if [ -f /var/run/weave/weave.env ]; then
    rm /var/run/weave/weave.env
  fi
end script

post-stop script
  docker rm -f weave weaveproxy || true
end script

respawn
respawn limit unlimited
kill timeout 10