dynamically determine volume names

ansible/roles/setup_hosted_services/defaults/main.yml

@@ -2,31 +2,18 @@
 docker_compose_directory: /etc/docker-compose
 services:
   - name: gitea
-    volumes: ["gitea_data"]
   - name: mealie
-    volumes: ["mealie_data"]
   - name: linkding
-    volumes: ["linkding_data"]
   - name: overseerr
-    volumes: ["overseerr_config"]
   - name: nextcloud
-    volumes: ["nextcloud_data"]
   - name: dashboards
-    volumes: []
   - name: nginx-proxy-manager
-    volumes: ["nginx-proxy-manager_data"]
   - name: plex
-    volumes: ["plex_config", "plex_tautulli_config"]
   - name: uptime-kuma
-    volumes: ["uptime-kuma_data"]
   - name: vpn-stack
-    volumes: ["vpn-stack_qbittorrent_config", "vpn-stack_radarr_config", "vpn-stack_sonarr_config", "vpn-stack_jackett_config"]
   - name: docker-volume-backup
-    volumes: []
   - name: mariadb
-    volumes: ["mariadb_config","mariadb_data"]
   - name: photoprism
-    volumes: []
 
 docker_networks:
   - nextcloud_net

ansible/roles/setup_hosted_services/files/scripts/find-volumes-to-restore.py

@@ -1,14 +1,32 @@
 #!/usr/bin/python
 import os
+import yaml
+
+from pathlib import Path
 
 
 def main():
     existing = eval(os.getenv("EXISTING_VOLUMES"))
     services = eval(os.getenv("SERVICES"))
+    docker_compose_dir = os.getenv("DOCKER_COMPOSE_DIR")
 
+    full_volume_names = []
     missing_volumes = []
     for service in services:
-        for volume_name in service.get("volumes", []):
+        service_name = service["name"]
+        docker_file = f"{docker_compose_dir}/{service_name}/docker-compose.yml"
+        docker_compose_dict = yaml.safe_load(Path(docker_file).read_text())
+
+        # no volumes specified in the compose file
+        if "volumes" not in docker_compose_dict:
+            continue
+
+        volumes = docker_compose_dict["volumes"]
+
+        for v in volumes:
+            full_volume_names.append(f"{service_name}_{v}")
+
+    for volume_name in full_volume_names:
         if volume_name not in existing:
             missing_volumes.append(volume_name)
 

ansible/roles/setup_hosted_services/tasks/main.yml

@@ -47,6 +47,7 @@
   environment:
     EXISTING_VOLUMES: "{{ find_volumes.results | map(attribute='stdout_lines') | list | flatten }}"
     SERVICES: "{{ services }}"
+    DOCKER_COMPOSE_DIR: "{{docker_compose_directory}}"
   args:
     executable: python3
   register: python_output