fix: create storage dir on startup

docker-compose.yaml

@@ -12,7 +12,7 @@ services:
       - rabbitmq
     command: bash -c "cd /app/pro_wes; celery -A celery_worker worker -E --loglevel=info"
     volumes:
-      - ${PROWES_DATA_DIR:-../data/pro_wes}:/data
+      - ${PROWES_DATA_DIR:-../data/pro_wes/runs}:/data
 
   prowes:
     image: prowes:latest
@@ -25,6 +25,8 @@ services:
     command: bash -c "cd /app/pro_wes; gunicorn -c gunicorn.py wsgi:app"
     ports:
       - "8090:8080"
+    volumes:
+      - ${PROWES_DATA_DIR:-../data/pro_wes/runs}:/data
 
   rabbitmq:
     image: rabbitmq:3-management

pro_wes/app.py

@@ -21,15 +21,26 @@ def init_app() -> App:
         custom_config_model="pro_wes.config_models.CustomConfig",
     )
     app = foca.create_app()
+    _setup_first_start(app=app)
+    return app
+
+
+def _setup_first_start(app: App) -> None:
+    """Set up application for first start."""
     with app.app.app_context():
+        # create storage directory
+        work_dir = Path(
+            current_app.config.foca.custom.post_runs.storage_path.resolve()
+        )
+        work_dir.mkdir(parents=True, exist_ok=True)
+        # set service info
         service_info = ServiceInfo()
         try:
             service_info = service_info.get_service_info()
         except NotFound:
             service_info.set_service_info(
                 data=current_app.config.foca.custom.service_info.dict()
             )
-    return app
 
 
 def run_app(app: App) -> None:

pro_wes/exceptions.py

@@ -24,23 +24,19 @@ class EngineUnavailable(EngineProblem):
 
 
 class NoSuitableEngine(BadRequest):
-    """Raised when the service does not know of a suitable engine to process
-    the requested workflow run.
-    """
+    """No suitable workflow engine known."""
 
 
 class RunNotFound(NotFound):
-    """Raised when workflow run with given run identifier was not found."""
+    """Workflow run with given identifier not found."""
 
 
 class IdsUnavailableProblem(PyMongoError):
-    """Raised when no unique run identifier could be found for insertion into
-    the database collection.
-    """
+    """No unique run identifier available."""
 
 
 class StorageUnavailableProblem(OSError):
-    """Raised when storage is not available for OS operations."""
+    """Storage unavailable for OS operations."""
 
 
 exceptions = {

pro_wes/ga4gh/wes/models.py

@@ -182,8 +182,7 @@ def workflow_type_and_version_supported(  # pylint: disable=no-self-argument
             The validated field values.
 
         Raises:
-            NoSuitableEngine: The service does not know of a suitable workflow
-                engine service to process this request.
+            NoSuitableEngine: No suitable workflow engine known to process request.
         """
         service_info = ServiceInfoController().get_service_info(get_counts=False)
         type_versions = service_info["workflow_type_versions"]
@@ -193,7 +192,10 @@ def workflow_type_and_version_supported(  # pylint: disable=no-self-argument
             _type not in type_versions
             or version not in type_versions[_type]["workflow_type_version"]
         ):
-            raise NoSuitableEngine
+            raise NoSuitableEngine(
+                f"No suitable workflow engine known for workflow type '{_type}' and"
+                f" version '{version}'; supported workflow engines: {type_versions}"
+            )
         return values
 
 

pro_wes/version.py

@@ -1,3 +1,3 @@
 """Single source of truth for package version."""
 
-__version__ = "0.18.0"
+__version__ = "0.19.0"