Make capsule support availability zone

Change-Id: I38ade7d16bbbebb0bd1504691e6a2ace9bbadae8

template/capsule/capsule-volume.yaml

@@ -6,6 +6,7 @@ metadata:
   labels:
     foo: bar
 restartPolicy: always
+availabilityZone: nova
 spec:
   containers:
   - image: test

template/capsule/capsule.yaml

@@ -7,6 +7,7 @@ metadata:
     app: web
     app1: web1
 restartPolicy: always
+availabilityZone: nova
 spec:
   containers:
   - image: ubuntu

zun/api/controllers/v1/capsules.py

@@ -167,6 +167,11 @@ class CapsuleController(base.Controller):
             new_capsule.meta_name = metadata_info.get('name', None)
             new_capsule.meta_labels = metadata_info.get('labels', None)
 
+        extra_spec = {}
+        az_info = template_json.get('availabilityZone')
+        if az_info:
+            extra_spec['availability_zone'] = az_info
+
         # Generate Object for infra container
         sandbox_container = objects.Container(context)
         sandbox_container.project_id = context.project_id
@@ -245,7 +250,7 @@ class CapsuleController(base.Controller):
         new_capsule.memory = str(capsule_need_memory) + 'M'
         new_capsule.save(context)
         compute_api.capsule_create(context, new_capsule, requested_networks,
-                                   requested_volumes)
+                                   requested_volumes, extra_spec)
         # Set the HTTP Location Header
         pecan.response.location = link.build_url('capsules',
                                                  new_capsule.uuid)

zun/api/validation/parameter_types.py

@@ -472,6 +472,7 @@ capsule_template = {
         "metadata": capsule_metadata,
         "restartPolicy": capsule_restart_policy,
         "spec": capsule_spec,
+        "availabilityZone": availability_zone,
     },
     "additionalProperties": False,
     "required": ['kind', 'spec', 'metadata']

zun/compute/api.py

@@ -187,8 +187,8 @@ class API(object):
         return self.rpcapi.image_search(context, image, image_driver,
                                         exact_match, *args)
 
-    def capsule_create(self, context, new_capsule, requested_networks=None,
-                       requested_volumes=None, extra_spec=None):
+    def capsule_create(self, context, new_capsule, requested_networks,
+                       requested_volumes, extra_spec):
         try:
             host_state = self._schedule_container(context, new_capsule,
                                                   extra_spec)