esnapshot

#!/usr/bin/env bash
#
# esnapshot - Erigones snapshot tool
#

set -u
set -o pipefail

ERIGONES_HOME=${ERIGONES_HOME:-"/opt/erigones"}
#SELF="${ERIGONES_HOME}/bin/esnapshot"
PROG="$(basename "$0")"

# shellcheck disable=SC1090
. "${ERIGONES_HOME}"/bin/eslib/functions.sh

declare -ri OK=0
declare -ri ERR_INPUT=1


###############################################################
# helper functions
###############################################################

function usage() {
	cat <<EOF
	${PROG} create <snapshot> [metadata] [fs_freeze_qa_agent_socket]
	${PROG} destroy <snapshot>
	${PROG} rollback <snapshot>
EOF
}


###############################################################
# ZFS snapshot
###############################################################

main() {
	local action="${1:-}"
	shift

	case "${action}" in
		list)
			if [[ "${1}" == *"/"* ]]; then
				_zfs_list_snapshots "${1}" "name,creation,written,es:snapname"
			else
				_zfs_list_snapshots_zpool "${1}" "name,creation,written,es:snapname"
			fi
			exit $?
			;;
		create)
			_zfs_snap_vm "${1}" "${2:-}" "${3:-}"
			exit $?
			;;
		destroy)
			_zfs_destroy_snap_vm "${1}"
			exit $?
			;;
		rollback)
			_zfs_rollback "${1}"
			exit $?
			;;
		restore)
			echo "Use esbackup snap-restore" >&2
			exit ${ERR_INPUT}
			;;
		-h|--help)
			usage
			exit ${OK}
			;;
		*)
			usage
			exit ${ERR_INPUT}
			;;
	esac
}

main "$@"