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fix(backup): Add error handling and logging for backup and restore scripts 

tar has exit code 2 for fatal errors, this was completely ignored.

See also:
https://www.man7.org/linux/man-pages/man1/tar.1.html#RETURN_VALUE
This commit is contained in:
Benjamin Herbert 2025-07-08 18:47:15 +02:00
parent 8a66d658eb
commit 4ca65a1a0f
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2 changed files with 15 additions and 1 deletions
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4
backup/pvc/bin/backup.sh
View File

@ -51,6 +51,10 @@ if [[ "$ret" -eq 0 ]]; then
_log "INFO" "[backup] backup ${BACKUP_NUMBER} was completed without warnings"
elif [[ "$ret" -eq 1 ]]; then
_log "INFO" "[backup] backup ${BACKUP_NUMBER} was completed with some warnings"
else
_log "ERROR" "[backup] backup ${BACKUP_NUMBER} failed with error code: $ret"
_clean
exit "$ret"
fi
mv "${BACKUP_TMP_DIR}/${BACKUP_NUMBER}.tar.zstd" "${BACKUP_DIR}/${BACKUP_NUMBER}.tar.zstd"

12
backup/pvc/bin/restore.sh
View File

@ -39,7 +39,17 @@ else
exit 1
fi
tar $OPTS -C "${JENKINS_HOME}" -xf "${BACKUP_DIR}/${BACKUP_NUMBER}.${EXT}"
tar $OPTS -C "${JENKINS_HOME}" -xf "${BACKUP_DIR}/${BACKUP_NUMBER}.${EXT}" || ret=$?
if [[ "$ret" -eq 0 ]]; then
_log "INFO" "[backup] backup ${BACKUP_NUMBER} was completed without warnings"
elif [[ "$ret" -eq 1 ]]; then
_log "INFO" "[backup] backup ${BACKUP_NUMBER} was completed with some warnings"
else
_log "ERROR" "[backup] backup ${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}"