Saltnado provide also get parameters to the context

salt/netapi/rest_tornado/saltnado.py

@@ -1612,6 +1612,7 @@ class WebhookSaltAPIHandler(SaltAPIHandler):  # pylint: disable=W0223
 
         ret = self.event.fire_event({
             'post': self.raw_data,
+            'get': dict(self.request.query_arguments),
             # In Tornado >= v4.0.3, the headers come
             # back as an HTTPHeaders instance, which
             # is a dictionary. We must cast this as

tests/unit/netapi/rest_tornado/test_handlers.py

@@ -36,9 +36,11 @@ except ImportError:
         pass
 
 import salt.ext.six as six
-from salt.ext.six.moves.urllib.parse import urlencode  # pylint: disable=no-name-in-module
+from salt.ext.six.moves.urllib.parse import urlencode, urlparse  # pylint: disable=no-name-in-module
 # pylint: enable=import-error
 
+from salttesting.mock import NO_MOCK, NO_MOCK_REASON, MagicMock, patch
+
 
 @skipIf(HAS_TORNADO is False, 'The tornado package needs to be installed')  # pylint: disable=W0223
 class SaltnadoTestCase(integration.ModuleCase, AsyncHTTPTestCase):
@@ -240,6 +242,40 @@ class TestBaseSaltAPIHandler(SaltnadoTestCase):
         self.assertEqual(returned_lowstate['arg'], ['10', 'foo'])
 
 
+@skipIf(NO_MOCK, NO_MOCK_REASON)
+class TestWebhookSaltHandler(SaltnadoTestCase):
+
+    def get_app(self):
+        urls = [
+            (r'/hook(/.*)?', saltnado.WebhookSaltAPIHandler),
+        ]
+        return self.build_tornado_app(urls)
+
+    @patch('salt.utils.event.get_event')
+    def test_hook_can_handle_get_parameters(self, get_event):
+        self._app.mod_opts['webhook_disable_auth'] = True
+        event = MagicMock()
+        event.fire_event.return_value = True
+        get_event.return_value = event
+        response = self.fetch('/hook/my_service/?param=1&param=2',
+                              body=json.dumps({}),
+                              method='POST',
+                              headers={'Content-Type': self.content_type_map['json']})
+        self.assertEqual(response.code, 200, response.body)
+        host = urlparse(response.effective_url).netloc
+        event.fire_event.assert_called_once_with(
+            {'headers': {'Content-Length': '2',
+                         'Connection': 'close',
+                         'Content-Type': 'application/json',
+                         'Host': host,
+                         'Accept-Encoding': 'gzip'},
+             'post': {},
+             'get': {'param': ['1', '2']}
+             },
+            'salt/netapi/hook/my_service/',
+        )
+
+
 class TestSaltAuthHandler(SaltnadoTestCase):
 
     def get_app(self):