Added docker_volume_path filter_plugin

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,
+        }