From 4738b263ec2fe8d58dfed220f13ca295b6d39598 Mon Sep 17 00:00:00 2001
From: Kevin Veen-Birkenbach <kevin@veen.world>
Date: Thu, 4 Sep 2025 11:49:40 +0200
Subject: [PATCH] Added docker_volume_path filter_plugin

---
 filter_plugins/volume_path.py         | 21 +++++++++++++++++++++
 roles/web-app-akaunting/vars/main.yml |  2 +-
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 filter_plugins/volume_path.py

diff --git a/filter_plugins/volume_path.py b/filter_plugins/volume_path.py
new file mode 100644
index 00000000..c35581d8
--- /dev/null
+++ b/filter_plugins/volume_path.py
@@ -0,0 +1,21 @@
+from ansible.errors import AnsibleFilterError
+
+def docker_volume_path(volume_name: str) -> str:
+    """
+    Returns the absolute filesystem path of a Docker volume.
+
+    Example:
+        "akaunting_data" -> "/var/lib/docker/volumes/akaunting_data/_data/"
+    """
+    if not volume_name or not isinstance(volume_name, str):
+        raise AnsibleFilterError(f"Invalid volume name: {volume_name}")
+
+    return f"/var/lib/docker/volumes/{volume_name}/_data/"
+
+class FilterModule(object):
+    """Docker volume path filters."""
+
+    def filters(self):
+        return {
+            "docker_volume_path": docker_volume_path,
+        }
diff --git a/roles/web-app-akaunting/vars/main.yml b/roles/web-app-akaunting/vars/main.yml
index b150635f..a9f2d8c5 100644
--- a/roles/web-app-akaunting/vars/main.yml
+++ b/roles/web-app-akaunting/vars/main.yml
@@ -23,6 +23,6 @@ AKAUNTING_COMPANY_NAME:             "{{ applications | get_app_conf(application_
 AKAUNTING_COMPANY_EMAIL:            "{{ applications | get_app_conf(application_id, 'company.email') }}"
 AKAUNTING_ADMIN_EMAIL:              "{{ applications | get_app_conf(application_id, 'setup_admin_email') }}"
 AKAUNTING_ADMIN_PASSWORD:           "{{ applications | get_app_conf(application_id, 'credentials.setup_admin_password') }}"
-AKAUNTING_SETUP_MARKER:             "/var/lib/docker/volumes/{{ AKAUNTING_VOLUME }}/_data/.akaunting_installed"
+AKAUNTING_SETUP_MARKER:             "{{ [ (AKAUNTING_VOLUME | docker_volume_path), '.akaunting_installed' ] | path_join }}"
 AKAUNTING_APP_KEY:                  "{{ applications | get_app_conf(application_id, 'credentials.app_key') }}"
 AKAUNTING_CACHE_DRIVER:             "{{ 'redis' if applications | get_app_conf(application_id, 'docker.services.redis.enabled') else 'file' }}"
\ No newline at end of file