setup: declare vault's cooking task using the scheduler's plugin system

So that we can get rid of vault task types being created from swh-schedulers'
sql init scripts.

setup.py

@@ -57,6 +57,8 @@ setup(
     entry_points="""
         [swh.cli.subcommands]
         vault=swh.vault.cli
+        [swh.workers]
+        vault.cookers=swh.vault:register_tasks
     """,
     classifiers=[
         "Programming Language :: Python :: 3",

swh/vault/__init__.py

@@ -7,7 +7,7 @@ from __future__ import annotations
 
 import importlib
 import logging
-from typing import Dict
+from typing import Any, Dict
 import warnings
 
 from swh.vault.backend import VaultDB
@@ -60,3 +60,22 @@ def get_vault(cls: str = "remote", **kwargs):
 
 
 get_datastore = VaultDB
+
+
+default_cfg = {
+    "default_interval": "1 day",
+    "min_interval": "1 day",
+    "max_interval": "1 day",
+    "backoff_factor": 1,
+    "max_queue_length": 10000,
+}
+
+
+def register_tasks() -> Dict[str, Any]:
+    return {
+        "task_modules": [f"{__name__}.cooking_tasks"],
+        "task_types": {
+            "vault-cook-bundle": default_cfg,
+            "vault-batch-cook-bundle": default_cfg,
+        },
+    }

swh/vault/cooking_tasks.py

@@ -10,13 +10,13 @@ from swh.vault.cookers import get_cooker
 
 
 @app.task(name=__name__ + ".SWHCookingTask")
-def cook_bundle(bundle_type, swhid):
+def vault_cook_bundle(bundle_type, swhid):
     """Main task to cook a bundle."""
     get_cooker(bundle_type, CoreSWHID.from_string(swhid)).cook()
 
 
 # TODO: remove once the scheduler handles priority tasks
 @app.task(name=__name__ + ".SWHBatchCookingTask")
-def batch_cook_bundle(bundle_type, swhid):
+def vault_batch_cook_bundle(bundle_type, swhid):
     """Temporary task for the batch queue."""
     get_cooker(bundle_type, CoreSWHID.from_string(swhid)).cook()