Update 'Backing up stuff in Google Cloud Storage'

Backing-up-stuff-in-Google-Cloud-Storage.md

@@ -7,4 +7,71 @@ Once you have a subscription, these are the steps:
 5. Install the google cloud SDK
 6. Authenticate the google cloud command with the service principal (`gcloud auth activate-service-account --key-file=[KEY_FILE]
 `)
-7. Use the gcloud command to copy the local file to the bucket (`gcloud alpha storage cp /var/backups/cluster.sql gs://lab-backup-gbn/`)
+7. Use the gcloud command to copy the local file to the bucket (`gcloud alpha storage cp /var/backups/cluster.sql gs://lab-backup-gbn/`). You  may do it for the users root and postgres, so that they can also back up files.
+8. Create and activate the following units and timers in systemd
+
+
+## Files
+### database-daily-backup.service
+```
+[Unit]
+Description=Daily PG Backup
+Documentation=man:pg_dumpall(8)
+ConditionACPower=true
+After=postgresql.service network.target network-online.target systemd-networkd.service NetworkManager.service connman.service
+
+[Service]
+Type=oneshot
+User=postgres
+Group=postgres
+ExecStart=/usr/bin/pg_dumpall -c -f /var/backups/cluster.sql
+ExecStartPost=/usr/bin/gcloud alpha storage cp /var/backups/cluster.sql gs://lab-backup-gbn/
+KillMode=process
+TimeoutStopSec=900
+```
+
+### database-daily-backup.timer
+```
+[Unit]
+Description=Daily PG Backup
+After=database-daily-backup.timer
+
+[Timer]
+OnCalendar=*-*-* 02:00
+RandomizedDelaySec=10m
+Persistent=true
+
+[Install]
+WantedBy=timers.target
+```
+
+### lab-daily-backup.service
+```
+[Unit]
+Description=Daily Lab backpu
+Documentation=man:tar(8)
+ConditionACPower=true
+After=network.target network-online.target systemd-networkd.service NetworkManager.service connman.service
+
+[Service]
+Type=oneshot
+ExecStart=tar --exclude '/home/guillem/lab/storage' -zcpvf /var/backups/lab.tgz /home/guillem/lab
+ExecStartPost=/usr/bin/gcloud alpha storage cp /var/backups/lab.tgz gs://lab-backup-gbn/
+KillMode=process
+TimeoutStopSec=900
+```
+
+### lab-daily-backup.timer
+```
+[Unit]
+Description=Daily Lab Backup
+After=lab-daily-backup.timer
+
+[Timer]
+OnCalendar=*-*-* 02:00
+RandomizedDelaySec=10m
+Persistent=true
+
+[Install]
+WantedBy=timers.target
+```