58 lines
2.1 KiB
Bash
Executable File
58 lines
2.1 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
set -eo pipefail
|
|
source "$(dirname "$0")/utils.sh"
|
|
|
|
[[ ! $# -eq 1 ]] && _log "ERROR" "Usage: $0 <backup number>" && exit 1
|
|
[[ -z "${BACKUP_DIR}" ]] && _log "ERROR" "Required 'BACKUP_DIR' env not set" && exit 1
|
|
[[ -z "${JENKINS_HOME}" ]] && _log "ERROR" "Required 'JENKINS_HOME' env not set" && exit 1
|
|
BACKUP_NUMBER=$1
|
|
RESTORE_RETRY_COUNT=${RESTORE_RETRY_COUNT:-10}
|
|
RESTORE_RETRY_INTERVAL=${RESTORE_RETRY_INTERVAL:-10}
|
|
|
|
# --> Check if another restore process is running (operator restart/crash)
|
|
TRAP_FILE="/tmp/_restore_${BACKUP_NUMBER}_is_running"
|
|
trap "rm -f ${TRAP_FILE}" SIGINT SIGTERM
|
|
|
|
for ((i=0; i<RESTORE_RETRY_COUNT; i++)); do
|
|
[[ ! -f "${TRAP_FILE}" ]] && _log "INFO" "[restore] no other process are running, restoring" && break
|
|
_log "INFO" "[restore] is already running. Waiting for ${RESTORE_RETRY_INTERVAL} seconds..."
|
|
sleep "${RESTORE_RETRY_INTERVAL}"
|
|
done
|
|
[[ -f "${TRAP_FILE}" ]] && { _log "ERROR" "[restore] is still running after waiting ${RESTORE_RETRY_COUNT} time ${RESTORE_RETRY_INTERVAL}s. Exiting."; exit 1; }
|
|
# --< Done
|
|
|
|
_log "INFO" "[restore] restore backup with backup number #${BACKUP_NUMBER}"
|
|
touch "${TRAP_FILE}"
|
|
BACKUP_FILE="${BACKUP_DIR}/${BACKUP_NUMBER}"
|
|
|
|
if [[ -f "$BACKUP_FILE.tar.gz" ]]; then
|
|
_log "INFO" "[restore] old format tar.gz found, restoring it"
|
|
OPTS=""
|
|
EXT="tar.gz"
|
|
elif [[ -f "$BACKUP_FILE.tar.zstd" ]]; then
|
|
_log "INFO" "[restore] Backup file found, proceeding"
|
|
OPTS="--zstd"
|
|
EXT="tar.zstd"
|
|
else
|
|
_log "ERROR" "[restore] backup file not found: $BACKUP_FILE"
|
|
exit 1
|
|
fi
|
|
|
|
tar $OPTS -C "${JENKINS_HOME}" -xf "${BACKUP_DIR}/${BACKUP_NUMBER}.${EXT}" || ret=$?
|
|
|
|
if [[ "$ret" -eq 0 ]]; then
|
|
_log "INFO" "[restore] restore ${BACKUP_NUMBER} was completed without warnings"
|
|
elif [[ "$ret" -eq 1 ]]; then
|
|
_log "INFO" "[restore] restore ${BACKUP_NUMBER} was completed with some warnings"
|
|
else
|
|
_log "ERROR" "[restore] restore ${BACKUP_NUMBER} failed with error code: $ret"
|
|
exit "$ret"
|
|
fi
|
|
|
|
|
|
_log "INFO" "[restore] deleting lock file ${TRAP_FILE}"
|
|
test -f "${TRAP_FILE}" && rm -f "${TRAP_FILE}"
|
|
_log "INFO" "[restore] restoring ${BACKUP_NUMBER} Done"
|
|
exit 0
|