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allow to lock the backup archive for external scripts

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Signed-off-by: szaimen <szaimen@e.mail.de>
This commit is contained in:
szaimen 2022-06-07 01:06:47 +02:00
parent 3c14cc2676
commit b5d5b1f4bc
2 changed files with 17 additions and 2 deletions
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7
Containers/borgbackup/backupscript.sh
View file

@ -37,6 +37,13 @@ if [ "$BORG_MODE" != backup ] && [ "$BORG_MODE" != test ] && ! [ -f "$BORG_BACKU
exit 1 exit 1
fi fi
# Do not continue if this file exists (needed for simple external blocking)
if [ -f "$BORG_BACKUP_DIRECTORY/aio-lockfile" ]; then
echo "Not continuing because aio-lockfile exists - it seems like a script is externally running which is locking the backup archive."
echo "If this should not be the case, you can fix this by deleting the 'aio-lockfile' file from the backup archive directory."
exit 1
fi
# Create lockfile # Create lockfile
if [ "$BORG_MODE" = backup ] || [ "$BORG_MODE" = restore ]; then if [ "$BORG_MODE" = backup ] || [ "$BORG_MODE" = restore ]; then
touch "/nextcloud_aio_volumes/nextcloud_aio_database_dump/backup-is-running" touch "/nextcloud_aio_volumes/nextcloud_aio_database_dump/backup-is-running"

12
readme.md
View file

@ -293,11 +293,21 @@ if ! [ -d "$TARGET_DIRECTORY" ]; then
exit 1 exit 1
fi fi
if [ -f "$SOURCE_DIRECTORY/aio-lockfile" ]; then
echo "Not continuing because aio-lockfile already exists."
exit 1
fi
touch "$SOURCE_DIRECTORY/aio-lockfile"
if ! rsync --stats --archive --human-readable --delete "$SOURCE_DIRECTORY/" "$TARGET_DIRECTORY"; then if ! rsync --stats --archive --human-readable --delete "$SOURCE_DIRECTORY/" "$TARGET_DIRECTORY"; then
echo "Failed to sync the backup repository to the target directory." echo "Failed to sync the backup repository to the target directory."
exit 1 exit 1
fi fi
rm "$SOURCE_DIRECTORY/aio-lockfile"
rm "$TARGET_DIRECTORY/aio-lockfile"
umount "$DRIVE_MOUNTPOINT" umount "$DRIVE_MOUNTPOINT"
if docker ps --format "{{.Names}}" | grep "^nextcloud-aio-nextcloud$"; then if docker ps --format "{{.Names}}" | grep "^nextcloud-aio-nextcloud$"; then
@ -317,8 +327,6 @@ Afterwards apply the correct permissions with `sudo chown root:root /root/backup
1. Add the following new line to the crontab if not already present: `0 20 * * 7 /root/backup-script.sh` which will run the script at 20:00 on Sundays each week. 1. Add the following new line to the crontab if not already present: `0 20 * * 7 /root/backup-script.sh` which will run the script at 20:00 on Sundays each week.
1. save and close the crontab (when using nano are the shortcuts for this `Ctrl + o` -> `Enter` and close the editor with `Ctrl + x`). 1. save and close the crontab (when using nano are the shortcuts for this `Ctrl + o` -> `Enter` and close the editor with `Ctrl + x`).
⚠️ **Attention:** Make sure that the execution of the script does not collide with the daily backups from AIO (if configured) since the target backup repository might get into an inconsistent state. (There is no check in place that checks this.)
### How to change the default location of Nextcloud's Datadir? ### How to change the default location of Nextcloud's Datadir?
You can configure the Nextcloud container to use a specific directory on your host as data directory. You can do so by adding the environmental variable `NEXTCLOUD_DATADIR` to the initial startup of the mastercontainer. Allowed values for that variable are strings that start with `/` and are not equal to `/`. You can configure the Nextcloud container to use a specific directory on your host as data directory. You can do so by adding the environmental variable `NEXTCLOUD_DATADIR` to the initial startup of the mastercontainer. Allowed values for that variable are strings that start with `/` and are not equal to `/`.