Use Gitlab's official backup tool for dumping the database, git
repositories and other data with a wrapper script similiar to the
postgres and mysql backup scripts.

Signed-off-by: Jelle van der Waa <jelle@archlinux.org>

Remove the leftover artifact from the time we used xtrabackup.

Signed-off-by: Florian Pritz <bluewind@xinu.at>

The discovery script now uses a regex and no longer cares where exactly
accounting is enabled. Follow systemd upstream by enabling it by
default.

Signed-off-by: Florian Pritz <bluewind@xinu.at>

Signed-off-by: Florian Pritz <bluewind@xinu.at>

Signed-off-by: Florian Pritz <bluewind@xinu.at>

Signed-off-by: Florian Pritz <bluewind@xinu.at>

Signed-off-by: Florian Pritz <bluewind@xinu.at>

Signed-off-by: Florian Pritz <bluewind@xinu.at>

When using when: on ansible, it already checks if the variable is
set or not. But the variable must still be defined.

Signed-off-by: Florian Pritz <bluewind@xinu.at>

I've had mode=755 create garbage already...

This allows to call borg commands without having to provide the backup
destination each time.

Signed-off-by: Florian Pritz <bluewind@xinu.at>