RAM-Disk for Docker status/log files

[Mainfrezzer]

For 7.0.0-beta.1
 

# -------------------------------------------------
# RAM-Disk for Docker json/log files v1.6 for 7.0.0-beta.1
# -------------------------------------------------

# check compatibility
echo -e "52fd7c7fa6e15e210e1f4be077ef4e46 /etc/rc.d/rc.docker\nfab0020cf6d6235d37abec6483f54be5 /usr/local/emhttp/plugins/dynamix/scripts/monitor" | md5sum --check --status && compatible=1
if [[ $compatible ]]; then

  # create RAM-Disk on starting the docker service
  sed -i '/nohup/i \
  # move json/logs to ram disk\
  rsync -aH --delete /var/lib/docker/containers/ ${DOCKER_APP_CONFIG_PATH%/}/containers_backup\
  mountpoint -q /var/lib/docker/containers || mount -t tmpfs tmpfs /var/lib/docker/containers || logger -t docker Error: RAM-Disk could not be mounted!\
  rsync -aH --delete ${DOCKER_APP_CONFIG_PATH%/}/containers_backup/ /var/lib/docker/containers\
  logger -t docker RAM-Disk created' /etc/rc.d/rc.docker

  # remove RAM-Disk on stopping the docker service
  sed -i '/tear down the bridge/i \
  # backup json/logs and remove RAM-Disk\
  rsync -aH --delete /var/lib/docker/containers/ ${DOCKER_APP_CONFIG_PATH%/}/containers_backup\
  umount /var/lib/docker/containers || logger -t docker Error: RAM-Disk could not be unmounted!\
  rsync -aH --delete ${DOCKER_APP_CONFIG_PATH%/}/containers_backup/ /var/lib/docker/containers\
  logger -t docker RAM-Disk removed' /etc/rc.d/rc.docker

  # Automatically backup Docker RAM-Disk
  sed -i '/^<?PHP$/a \
  $sync_interval_minutes=30;\
  if ( ! ((date("i") * date("H") * 60 + date("i")) % $sync_interval_minutes) && file_exists("/var/lib/docker/containers")) {\
    exec("\
      [[ ! -d /var/lib/docker_bind ]] && mkdir /var/lib/docker_bind\
      if ! mountpoint -q /var/lib/docker_bind; then\
        if ! mount --bind /var/lib/docker /var/lib/docker_bind; then\
          logger -t docker Error: RAM-Disk bind mount failed!\
        fi\
      fi\
      if mountpoint -q /var/lib/docker_bind; then\
        rsync -aH --delete /var/lib/docker/containers/ /var/lib/docker_bind/containers && logger -t docker Success: Backup of RAM-Disk created.\
        umount -l /var/lib/docker_bind\
      else\
        logger -t docker Error: RAM-Disk bind mount failed!\
      fi\
    ");\
  }' /usr/local/emhttp/plugins/dynamix/scripts/monitor

else
  logger -t docker "Error: RAM-Disk Mod found incompatible files: $(md5sum /etc/rc.d/rc.docker /usr/local/emhttp/plugins/dynamix/scripts/monitor | xargs)"
fi