Remove unnecessary variables and update systems, databases and volumes for backup.

vars/odroid/variable.yaml

@@ -1,10 +1,8 @@
-mysql_user: root
-postgres_user: postgres
 backup_dir: /media/backup/docker
-systems: ['bookstack', 'gitea', 'influx', 'kimai', 'mattermost', 'nextcloud', 'pihole', 'portainer', 'semaphore', 'telegraf', 'vaultwarden']
-databases: ['bookstack', 'gitea', 'kimai', 'mattermost', 'nextcloud', 'semaphore']
+systems: ['bookstack', 'drone', 'duplicati', 'gitea', 'kimai', 'mattermost', 'nextcloud', 'pihole', 'portainer', 'semaphore', 'vaultwarden']
+databases: ['bookstack', 'drone', 'gitea', 'kimai', 'mattermost', 'nextcloud', 'semaphore']
 mysql_databases: ['bookstack', 'kimai', 'semaphore']
-postgres_databases: ['gitea', 'mattermost', 'nextcloud']
+postgres_databases: ['drone', 'gitea', 'mattermost', 'nextcloud']
 volumes:
   bookstack:
     container: bookstack
@@ -12,15 +10,12 @@ volumes:
   dnsmasq:
     container: pihole
     path: /etc/dnsmasq.d
+  duplicati-conf:
+    container: duplicati
+    path: /data
   gitea:
     container: gitea
     path: /data
-  influx:
-    container: influx
-    path: /var/lib/influxdb2
-  influx-etc:
-    container: influx
-    path: /etc/influxdb2
   kimai-var:
     container: kimai
     path: /opt/kimai/var
@@ -36,9 +31,6 @@ volumes:
   portainer:
     container: portainer
     path: /data
-  telegraf:
-    container: telegraf
-    path: /etc/telegraf
   vault:
     container: vaultwarden
     path: /data