MAAS uses standard command-line utilities for simple, familiar backups. The options described here allow you to either back up and restore everything MAAS-related, or just back up key packages and files.
Clean reset backup
The method uses pg_dumpall
the entire database and make a complete snapshot of MAAS.
Back up procedure
- Find the PostgreSQL service:
sudo systemctl list-units --type=service | grep postgres
- Create backup directory:
mkdir -p <backup-path>/$(date +%s)
- Dump database:
sudo -u postgres pg_dumpall -c > "<backup-path>/$(date +%s)_dump.sql"
- Stop MAAS:
sudo snap stop maas
- (Optional) Stop PostgreSQL:
sudo systemctl stop postgresql.service
- Snap backup:
sudo snap save maas
- Export snapshot:
sudo snap export-snapshot <snapshot-id> <backup-path>/$(date +%s)_snapshot
- Restart services:
sudo systemctl start postgresql.service sudo snap restart maas
Restore
- Stop MAAS & remove instance:
sudo snap stop maas && sudo snap remove maas
- Restore database:
sudo -u postgres psql -f <backup-path>/<dump.sql> postgres
- Import & restore snapshot:
sudo snap import-snapshot <backup-path>/<snapshot> sudo snap restore <snapshot-id>
- Restart services:
sudo systemctl start postgresql.service sudo snap restart maas
Package backup
Backs up PostgreSQL and key MAAS files.
Backup
- Find PostgreSQL service:
sudo systemctl list-units --type=service | grep postgres
- Create backup directory:
mkdir -p <backup-path>/$(date +%s)
- Dump database:
sudo -u postgres pg_dumpall -c > "<backup-path>/$(date +%s)_dump.sql"
- Stop MAAS services:
sudo systemctl stop maas-dhcpd.service maas-rackd.service maas-regiond.service
- (Optional) Stop PostgreSQL:
sudo systemctl stop postgresql.service
- Archive MAAS files:
sudo tar cvpzWf <backup-path>/$(date +%s)_maas_backup.tgz --exclude=/var/lib/maas/boot-resources /etc/maas /var/lib/maas
- Restart services:
sudo systemctl start postgresql.service sudo snap restart maas
Restore
- Reinstall Ubuntu (if possible).
- Ensure PostgreSQL is installed.
- Restore database:
sudo -u postgres psql -f <backup-path>/<dump.sql> postgres
- Install MAAS from packages.
- Stop MAAS services:
sudo systemctl stop maas-dhcpd.service maas-rackd.service maas-regiond.service
- Extract backup:
sudo tar xvzpf <backup-path>/<backup.tgz> -C /
- Restart services:
sudo systemctl start postgresql.service sudo systemctl restart maas-dhcpd.service maas-rackd.service maas-regiond.service
Last updated a day ago.