feat(controller): add annotations support

Author: duanhongyi

rootfs/api/models/app.py

@@ -1162,6 +1162,7 @@ def _gather_app_settings(self, release, app_settings, process_type, replicas, vo
             'app_type': process_type,
             'resources': json.loads(settings.KUBERNETES_POD_DEFAULT_RESOURCES),
             'build_type': release.build.type,
+            'annotations': json.loads(settings.KUBERNETES_POD_DEFAULT_ANNOTATIONS),
             'healthcheck': healthcheck,
             'lifecycle_post_start': config.lifecycle_post_start,
             'lifecycle_pre_stop': config.lifecycle_pre_stop,

rootfs/api/settings/production.py

@@ -368,6 +368,15 @@
         }
     })
 )
+
+# Default pod annotations for application.
+KUBERNETES_POD_DEFAULT_ANNOTATIONS = os.environ.get(
+    'KUBERNETES_POD_DEFAULT_ANNOTATIONS',
+    json.dumps({
+        "kubernetes.io/egress-bandwidth": "100M",
+        "kubernetes.io/igress-bandwidth": "100M",
+    })
+)
 # Default quota spec for application namespace
 KUBERNETES_NAMESPACE_DEFAULT_QUOTA_SPEC = os.environ.get(
     'KUBERNETES_NAMESPACE_DEFAULT_QUOTA_SPEC', ''

rootfs/scheduler/resources/pod.py

@@ -115,7 +115,8 @@ def manifest(self, namespace, name, image, **kwargs):
             'metadata': {
               'name': name,
               'namespace': namespace,
-              'labels': labels
+              'labels': labels,
+              'annotations': kwargs.get('annotations', {}),
             },
             'spec': {}
         }