Support alias for webhook creation

This commit to support alias for webhook creation, to create webhook
use function_alias pramater, and get function_id and function_version
from function_alias. Also add function tests for webhook creation.

Change-Id: Ia5db0b446b6b0e0980da596ed073fa6e2d66d7cc
Story: #2002143
Task: #19988

qinling/api/controllers/v1/resources.py

@@ -365,6 +365,7 @@ class ScaleInfo(Resource):
 class Webhook(Resource):
     id = types.uuid
     function_id = types.uuid
+    function_alias = wtypes.text
     function_version = wsme.wsattr(int)
     description = wtypes.text
     project_id = wsme.wsattr(wtypes.text, readonly=True)

qinling/api/controllers/v1/webhook.py

@@ -34,7 +34,6 @@ from qinling.utils import rest_utils
 
 LOG = logging.getLogger(__name__)
 
-POST_REQUIRED = set(['function_id'])
 UPDATE_ALLOWED = set(['function_id', 'function_version', 'description'])
 
 
@@ -104,11 +103,20 @@ class WebhooksController(rest.RestController):
         acl.enforce('webhook:create', context.get_ctx())
 
         params = webhook.to_dict()
-        if not POST_REQUIRED.issubset(set(params.keys())):
+        if not (params.get("function_id") or params.get("function_alias")):
             raise exc.InputException(
-                'Required param is missing. Required: %s' % POST_REQUIRED
+                'Either function_alias or function_id must be provided.'
             )
 
+        # if function_alias provided
+        function_alias = params.get('function_alias')
+        if function_alias:
+            alias_db = db_api.get_function_alias(function_alias)
+            function_id = alias_db.function_id
+            version = alias_db.function_version
+            params.update({'function_id': function_id,
+                           'function_version': version})
+
         LOG.info("Creating %s, params: %s", self.type, params)
 
         # Even admin user can not expose normal user's function

qinling/tests/unit/api/controllers/v1/test_webhook.py

@@ -80,6 +80,34 @@ class TestWebhookController(base.APITest):
         self.assertEqual(201, resp.status_int)
         self.assertEqual(1, resp.json.get("function_version"))
 
+    def test_post_with_alias(self):
+        db_api.increase_function_version(self.func_id, 0)
+        name = self.rand_name(name="alias", prefix=self.prefix)
+        body = {
+            'function_id': self.func_id,
+            'function_version': 1,
+            'name': name
+        }
+        db_api.create_function_alias(**body)
+
+        webhook_body = {
+            'function_alias': name,
+            'description': 'webhook test'
+        }
+        resp = self.app.post_json('/v1/webhooks', webhook_body)
+
+        self.assertEqual(201, resp.status_int)
+        self.assertEqual(1, resp.json.get("function_version"))
+
+    def test_post_without_required_params(self):
+        resp = self.app.post(
+            '/v1/webhooks',
+            params={},
+            expect_errors=True
+        )
+
+        self.assertEqual(400, resp.status_int)
+
     def test_put_with_version(self):
         db_api.increase_function_version(self.func_id, 0)
         webhook = self.create_webhook(self.func_id)

qinling_tempest_plugin/services/qinling_client.py

@@ -169,8 +169,22 @@ class QinlingClient(client_base.QinlingClientBase):
 
         return self.get_resources(url)
 
-    def create_webhook(self, function_id, version=0):
-        req_body = {"function_id": function_id, "function_version": version}
+    def create_webhook(self, function_id=None, function_alias=None,
+                       version=0):
+        """Create webhook.
+
+        function_alias takes precedence over function_id.
+        """
+        if function_alias:
+            req_body = {'function_alias': function_alias}
+        elif function_id:
+            req_body = {
+                'function_id': function_id,
+                'function_version': version
+            }
+        else:
+            raise Exception("Either function_alias or function_id must be "
+                            "provided.")
         resp, body = self.post_json('webhooks', req_body)
         return resp, body
 

qinling_tempest_plugin/tests/api/test_webhooks.py

@@ -76,6 +76,34 @@ class WebhooksTest(base.BaseQinlingTest):
         self.assertEqual(200, resp.status)
         self.assertIn('version_test', body)
 
+    @decorators.idempotent_id('a5b5eed3-82ee-4ab1-b9ca-9898e4da6b5a')
+    def test_webhook_with_function_alias(self):
+        version = self.create_function_version(self.function_id)
+        function_alias = self.create_function_alias(self.function_id, version)
+        webhook_id, url = self.create_webhook(function_alias=function_alias)
+        resp = requests.post(url, data={'name': 'alias_test'}, verify=False)
+
+        self.assertEqual(202, resp.status_code)
+
+        resp_exec_id = resp.json().get('execution_id')
+        self.addCleanup(self.client.delete_resource, 'executions',
+                        resp_exec_id, ignore_notfound=True)
+
+        resp, body = self.client.get_resources(
+            'executions',
+            {'description': 'has:%s' % webhook_id}
+        )
+
+        self.assertEqual(200, resp.status)
+        self.assertEqual(1, len(body['executions']))
+        exec_id = body['executions'][0]['id']
+        self.assertEqual(resp_exec_id, exec_id)
+        self.wait_execution_success(exec_id)
+
+        resp, body = self.client.get_execution_log(exec_id)
+        self.assertEqual(200, resp.status)
+        self.assertIn('alias_test', body)
+
     @decorators.idempotent_id('8e6e4f76-f748-11e7-8ec3-00224d6b7bc1')
     def test_get_all_admin(self):
         """Admin user can get webhooks of other projects"""

qinling_tempest_plugin/tests/base.py

@@ -169,11 +169,19 @@ class BaseQinlingTest(test.BaseTestCase):
 
         self.assertEqual(200, resp.status_code)
 
-    def create_webhook(self, function_id=None, version=0):
-        if not function_id:
-            function_id = self.create_function()
-
-        resp, body = self.client.create_webhook(function_id, version=version)
+    def create_webhook(self, function_id=None, function_alias=None,
+                       version=0):
+        if function_alias:
+            resp, body = self.client.create_webhook(
+                function_alias=function_alias
+            )
+        else:
+            if not function_id:
+                function_id = self.create_function()
+            resp, body = self.client.create_webhook(
+                function_id,
+                version=version
+            )
         self.assertEqual(201, resp.status)
 
         webhook_id = body['id']