backup: fix location of backup directory

Signed-off-by: Jakub Sokołowski <jakub@status.im>

defaults/main.yml

@@ -37,7 +37,7 @@ postgres_ha_databases: []
 #    pass: 'dbpass'
 
 # Backups
-postgres_ha_backup_service_name: 'dump-{{ postgres_ha_service_name }}-db'
+postgres_ha_backup_service_name: 'dump-{{ postgres_ha_service_name }}'
 postgres_ha_backup_frequency: daily
 postgres_ha_backup_timeout: 600
 postgres_ha_backup_user: 'root'

tasks/backup.yml

@@ -3,7 +3,7 @@
   include_role: name=systemd-timer
   vars:
     systemd_timer_name: '{{ postgres_ha_backup_service_name }}'
-    systemd_timer_description: 'Dump Telemetry PostgreSQL database.'
+    systemd_timer_description: 'Dump High-Availability PostgreSQL database.'
     systemd_timer_user: '{{ postgres_ha_backup_user }}'
     systemd_timer_frequency: '{{ postgres_ha_backup_frequency }}'
     systemd_timer_timeout_sec: '{{ postgres_ha_backup_timeout }}'
@@ -11,7 +11,7 @@
     systemd_timer_start_on_creation: false
     systemd_timer_script_content: |
       #!/usr/bin/env bash
-      BKP_DIR="{{ postgres_ha_cont_data_vol }}/backup/{{ postgres_ha_db_name }}"
+      BKP_DIR="{{ postgres_ha_cont_backup_vol }}"
       rm -vfr "${BKP_DIR}"
       /usr/bin/docker exec -i {{ postgres_ha_cont_name }} \
         pg_dump -F directory -f "/backup/{{ postgres_ha_db_name }}" \