controller

#! /bin/bash
#
# Usage:
#  controller (create_volumes|backup_db|start|stop)
#
# Starts or stops all of the containers.
cfg=config.inc

set -e


if [[ "$OSTYPE" == "darwin"* ]]
then
  readonly ExecName=$(greadlink -f "$0")
else
  readonly ExecName=$(readlink --canonicalize "$0")
fi

main()
{
  local baseDir=$(dirname "$ExecName")

  if [ "$#" -lt 1 ]
  then
    printf 'Requires "create_volumes", "backup_db", "start" or "stop" as its second parameter.\n' >&2
    return 1
  fi

  local action="$1"

  . "$baseDir/$cfg"

  case "$action" in
    create_volumes)
      mkdir -p "$LOCAL_IRODS_VOLUME_PATH"
      docker volume create --driver local \
        --opt type=none \
        --opt device="$LOCAL_IRODS_VOLUME_PATH" \
        --opt o=bind "$DOCKER_IRODS_VOLUME"

      mkdir -p "$LOCAL_DB_VOLUME_PATH"
      docker volume create --driver local \
        --opt type=none \
        --opt device="$LOCAL_DB_VOLUME_PATH" \
        --opt o=bind "$DOCKER_DB_VOLUME"

      mkdir -p "$LOCAL_DB_BACKUP_VOLUME_PATH"
      docker volume create --driver local \
        --opt type=none \
        --opt device="$LOCAL_DB_BACKUP_VOLUME_PATH" \
        --opt o=bind "$DOCKER_DB_BACKUP_VOLUME"

      mkdir -p "$LOCAL_SFTPGO_VOLUME_PATH"
      docker volume create --driver local \
        --opt type=none \
        --opt device="$LOCAL_SFTPGO_VOLUME_PATH" \
        --opt o=bind "$DOCKER_SFTPGO_VOLUME"
      ;;
    backup_db)
      local db_backup_dir=/var/opt/db_backup
      local db_backup_file=pg_backup_`date +"%Y%m%d%H%M"`.sql
      
      if ! command -v docker-compose > /dev/null; then
        docker compose --file "$baseDir"/docker-compose.yml --project-name "$ENV_NAME" exec -e PGPASSWORD="$DB_PASSWORD" dbms pg_dump -U "$DB_USER" -d "$DB_NAME" -F p -f "$db_backup_dir/$db_backup_file"
      else
        docker-compose --file "$baseDir"/docker-compose.yml --project-name "$ENV_NAME" exec -e PGPASSWORD="$DB_PASSWORD" dbms pg_dump -U "$DB_USER" -d "$DB_NAME" -F p -f "$db_backup_dir/$db_backup_file"
      fi
      
      if test -f "$LOCAL_DB_BACKUP_VOLUME_PATH/$db_backup_file"; then
        printf 'Created a DB backup file - "%s"\n' "$LOCAL_DB_BACKUP_VOLUME_PATH/$db_backup_file"
      else
        printf 'Failed to created a DB backup file - "%s"\n' "$LOCAL_DB_BACKUP_VOLUME_PATH/$db_backup_file" >&2
      fi

      ;;
    start)
      if ! command -v docker-compose > /dev/null; then
        docker compose --file "$baseDir"/docker-compose.yml --project-name "$ENV_NAME" up -d
      else
        docker-compose --file "$baseDir"/docker-compose.yml --project-name "$ENV_NAME" up -d
      fi
      ;;
    stop)
      if ! command -v docker-compose > /dev/null; then
        docker compose --file "$baseDir"/docker-compose.yml --project-name "$ENV_NAME" down --remove-orphans
      else
        docker-compose --file "$baseDir"/docker-compose.yml --project-name "$ENV_NAME" down --remove-orphans
      fi
      ;;
    *)
      printf 'Unknown command "%s"\n' "$action" >&2
      return 1
      ;;
  esac
}


main "$@"