query releases

bodhi/server/config.py

@@ -361,6 +361,9 @@ class BodhiConfig(dict):
         'initial_bug_msg': {
             'value': '%s has been submitted as an update to %s. %s',
             'validator': str},
+        'graphiql_enabled': {
+            'value': False,
+            'validator': _validate_bool},
         'greenwave_api_url': {
             'value': 'https://greenwave-web-greenwave.app.os.fedoraproject.org/api/v1.0',
             'validator': _validate_rstripped_str},

bodhi/server/graphql_schemas.py

@@ -0,0 +1,34 @@
+# Copyright © 2020 Red Hat Inc., and others.
+#
+# This file is part of Bodhi.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+"""Defines schemas related to GraphQL objects."""
+from graphene import relay, Field, String
+from graphene_sqlalchemy import SQLAlchemyObjectType
+
+from bodhi.server.models import Release as ReleaseModel
+
+
+class Release(SQLAlchemyObjectType):
+    """Type object representing a distribution release from bodhi.server.models, such as Fedora 27."""
+
+    class Meta:
+        """Allow to set different options to the class."""
+
+        model = ReleaseModel
+        interfaces = (relay.Node, )
+    state = Field(String)
+    package_manager = Field(String)

bodhi/server/services/graphql.py

@@ -16,19 +16,43 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 """Defines API endpoints related to GraphQL objects."""
+import graphene
 from cornice import Service
+from webob_graphql import serve_graphql_request
+
+from bodhi.server.config import config
+from bodhi.server.graphql_schemas import Release
+
 
 graphql = Service(name='graphql', path='/graphql', description='graphql service')
 
 
 @graphql.get()
+@graphql.post()
 def graphql_get(request):
     """
-    Return "Hello World".
+    Perform a GET request.
 
     Args:
         request (pyramid.Request): The current request.
     Returns:
-        str: A string "Hello World".
+        The GraphQL response to the request.
     """
-    return "Hello World"
+    context = {'session': request.session}
+    return serve_graphql_request(
+        request, schema, graphiql_enabled=config.get('graphiql_enabled'),
+        context_value=context)
+
+
+class Query(graphene.ObjectType):
+    """Allow querying objects."""
+
+    allReleases = graphene.List(Release)
+
+    def resolve_allReleases(self, info):
+        """Answer Queries by fetching data from the Schema."""
+        query = Release.get_query(info)  # SQLAlchemy query
+        return query.all()
+
+
+schema = graphene.Schema(query=Query)

bodhi/tests/server/services/test_graphql.py

@@ -15,12 +15,47 @@
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+from graphene.test import Client
+
 from bodhi.tests.server import base
+from bodhi.server.services.graphql import schema
+from bodhi.server.models import PackageManager, Release
 
 
 class TestGraphQLService(base.BasePyTestCase):
     """This class contains tests for a /graphql endpoint"""
     def test_get(self):
-        """Ensure that "Hello World" is returned"""
-        res = self.app.get('/graphql')
-        assert res.body == b'"Hello World"'
+        """Ensure that a GraphQL response is returned"""
+        res = self.app.get('/graphql?query={%0A%20 allReleases{%0A%20%20%20 name%0A%20 }%0A}')
+        assert res.body == b'{"data":{"allReleases":[{"name":"F17"}]}}'
+
+    def test_allReleases(self):
+        """Testing allReleases"""
+        client = Client(schema)
+        release = Release(
+            name='F22', long_name='Fedora 22',
+            id_prefix='FEDORA', version='22',
+            dist_tag='f22', stable_tag='f22-updates',
+            testing_tag='f22-updates-testing',
+            candidate_tag='f22-updates-candidate',
+            pending_signing_tag='f22-updates-testing-signing',
+            pending_testing_tag='f22-updates-testing-pending',
+            pending_stable_tag='f22-updates-pending',
+            override_tag='f22-override',
+            branch='f22',
+            package_manager=PackageManager.dnf,
+            testing_repository='updates-testing')
+
+        self.db.add(release)
+        self.db.commit()
+
+        executed = client.execute("""{  allReleases{  name  }}""")
+        assert executed == {
+            "data": {
+                "allReleases": [{
+                    "name": "F17"
+                }, {
+                    "name": "F22"
+                }]
+            }
+        }

devel/ansible/roles/bodhi/tasks/main.yml

@@ -109,6 +109,15 @@
       name: jinja2-cli
       executable: pip3
 
+- name: pip install packages for GraphQL
+  pip:
+      name: "{{ item }}"
+      executable: pip3
+  loop:
+      - WebOb-GraphQL
+      - graphene
+      - graphene-sqlalchemy
+
 - name: Fake a pungi install
   file:
       src: /usr/bin/true

devel/development.ini.example

@@ -71,6 +71,8 @@ test_gating.required = True
 waiverdb_api_url = http://bodhi_user:pass@localhost:6544/api/v1.0
 greenwave_api_url = http://localhost:6545/api/v1.0
 
+graphiql_enabled = True
+
 [server:main]
 use = egg:waitress#main
 host = 0.0.0.0

production.ini

@@ -316,6 +316,12 @@ use = egg:bodhi-server
 # you are using the dummy acl_system.
 # acl_dummy_committer =
 
+##
+## GraphiQL
+##
+# graphiql_url = http://localhost:6543/graphql
+# graphiql_enabled = False
+
 ##
 ## Pagure
 ##

requirements.txt

@@ -10,6 +10,8 @@ dogpile.cache
 pyasn1-modules  # Due to an unfortunate dash in its name, installs break if pyasn1 is installed first
 fedora_messaging
 feedgen>=0.7.0
+graphene
+graphene-sqlalchemy
 jinja2
 markdown
 psycopg2
@@ -24,3 +26,4 @@ PyYAML
 simplemediawiki
 sqlalchemy
 waitress
+WebOb-GraphQL