Rosti/database-backup-image
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Add error handling and improve backup scripts for consistency
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This commit is contained in:
Adam Štrauch 2025-10-18 23:15:26 +02:00
parent 5bfbda5e5e
commit 2ab7be67fa
Signed by: cx
GPG key ID: 7262DAFE292BCE20
4 changed files with 12 additions and 4 deletions
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2
Dockerfile
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@ -5,6 +5,6 @@ RUN apk add --no-cache restic docker-cli docker-cli-compose curl zstd bash
COPY backup.sh /backup.sh COPY backup.sh /backup.sh
COPY backup_local.sh /backup_local.sh COPY backup_local.sh /backup_local.sh
COPY backup_restic.sh /backup_restic.sh COPY backup_restic.sh /backup_restic.sh
RUN chmod +x /backup.sh RUN chmod +x /backup.sh /backup_local.sh /backup_restic.sh
ENTRYPOINT [ "/backup.sh" ] ENTRYPOINT [ "/backup.sh" ]

2
backup.sh
View file

@ -1,5 +1,7 @@
#!/bin/bash #!/bin/bash
set -e
if [ "$1" = "local" ]; then if [ "$1" = "local" ]; then
source /backup_local.sh source /backup_local.sh
elif [ "$1" = "restic" ]; then elif [ "$1" = "restic" ]; then

9
backup_local.sh
View file

@ -1,5 +1,7 @@
#!/bin/bash #!/bin/bash
set -e
# Environment variables # Environment variables
# #
# CONTAINER - name of the container where the database is running # CONTAINER - name of the container where the database is running
@ -31,8 +33,9 @@ fi
echo "Starting backup for container: $CONTAINER" echo "Starting backup for container: $CONTAINER"
if [ `docker exec -i $CONTAINER test -e /usr/bin/mariadb-dump && echo "yes" || echo "no"` = "yes" ]; then if [ `docker exec -i $CONTAINER test -e /usr/bin/mariadb-dump && echo "yes" || echo "no"` = "yes" ]; then
DBTYPE="mariadb" DBTYPE="mariadb"
FILENAME=`date +"%Y%m%d_%H%M%S"`_$DBTYPE_$CONTAINER_$DB_NAME.sql.zst.tmp FILENAME=`date +"%Y%m%d_%H%M%S"`_$DBTYPE_$CONTAINER_$DB_NAME.sql.zst
docker exec -i $CONTAINER mariadb-dump \ docker exec -i $CONTAINER mariadb-dump \
--all-databases \
--user=root \ --user=root \
--password=$MARIADB_ROOT_PASSWORD \ --password=$MARIADB_ROOT_PASSWORD \
--add-drop-trigger \ --add-drop-trigger \
@ -43,8 +46,8 @@ if [ `docker exec -i $CONTAINER test -e /usr/bin/mariadb-dump && echo "yes" || e
--events \ --events \
--routines \ --routines \
--single-transaction \ --single-transaction \
--triggers | zstd -1 > $TARGET_DIR/ --triggers | zstd -1 > $TARGET_DIR/$FILENAME.tmp
mv $TARGET_DIR/$DBTYPE_$CONTAINER_$DB_NAME.sql.zst.tmp $TARGET_DIR/$DBTYPE_$CONTAINER_$DB_NAME.sql.zst mv $TARGET_DIR/$FILENAME.tmp $TARGET_DIR/$FILENAME
elif [ `docker exec -i $CONTAINER test -e /usr/bin/pg_dump && echo "yes" || echo "no"` = "yes" ]; then elif [ `docker exec -i $CONTAINER test -e /usr/bin/pg_dump && echo "yes" || echo "no"` = "yes" ]; then
DBTYPE="pgsql" DBTYPE="pgsql"
FILENAME=`date +"%Y%m%d_%H%M%S"`_$DBTYPE_$CONTAINER_$DB_NAME.sql.zst FILENAME=`date +"%Y%m%d_%H%M%S"`_$DBTYPE_$CONTAINER_$DB_NAME.sql.zst

3
backup_restic.sh
View file

@ -1,5 +1,7 @@
#!/bin/bash #!/bin/bash
set -e
# Environment variables # Environment variables
# #
# CONTAINER - name of the container where the database is running # CONTAINER - name of the container where the database is running
@ -32,6 +34,7 @@ echo "Starting backup for container: $CONTAINER"
if [ `docker exec -i $CONTAINER test -e /usr/bin/mariadb-dump && echo "yes" || echo "no"` = "yes" ]; then if [ `docker exec -i $CONTAINER test -e /usr/bin/mariadb-dump && echo "yes" || echo "no"` = "yes" ]; then
DBTYPE="mariadb" DBTYPE="mariadb"
docker exec -i $CONTAINER mariadb-dump \ docker exec -i $CONTAINER mariadb-dump \
--all-databases \
--user=root \ --user=root \
--password=$MARIADB_ROOT_PASSWORD \ --password=$MARIADB_ROOT_PASSWORD \
--add-drop-trigger \ --add-drop-trigger \