Initial support for per-instance metadata, though the OpenStack API. Key/value pairs can be specified at instance creation time and are returned in the details view. Support limits based on quota system.

1 files changed, 22 insertions, 5 deletions

diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py
index 0bac4c64d..a8e597d73 100644
--- a/nova/api/openstack/servers.py
+++ b/nova/api/openstack/servers.py
@@ -77,9 +77,14 @@ def _translate_detail_keys(inst):
     except KeyError:
         LOG.debug(_("Failed to read public ip(s)"))
 
-    inst_dict['metadata'] = {}
     inst_dict['hostId'] = ''
 
+    # Return the metadata as a dictionary
+    metadata = {}
+    for item in inst['metadata']:
+        metadata[item['key']] = item['value']
+    inst_dict['metadata'] = metadata
+
     return dict(server=inst_dict)
 
 
@@ -161,18 +166,29 @@ class Controller(wsgi.Controller):
         if not env:
             return faults.Fault(exc.HTTPUnprocessableEntity())
 
-        key_pairs = auth_manager.AuthManager.get_key_pairs(
-            req.environ['nova.context'])
+        context = req.environ['nova.context']
+        key_pairs = auth_manager.AuthManager.get_key_pairs(context)
         if not key_pairs:
             raise exception.NotFound(_("No keypairs defined"))
         key_pair = key_pairs[0]
 
         image_id = common.get_image_id_from_image_hash(self._image_service,
-            req.environ['nova.context'], env['server']['imageId'])
+            context, env['server']['imageId'])
         kernel_id, ramdisk_id = self._get_kernel_ramdisk_from_image(
             req, image_id)
+
+        # Metadata is a list, not a Dictionary, because we allow duplicate keys
+        # (even though JSON can't encode this)
+        # In future, we may not allow duplicate keys.
+        # However, the CloudServers API is not definitive on this front,
+        #  and we want to be compatible.
+        metadata = []
+        if env['server']['metadata']:
+            for k, v in env['server']['metadata'].items():
+                metadata.append({'key': k, 'value': v})
+
         instances = self.compute_api.create(
-            req.environ['nova.context'],
+            context,
             instance_types.get_by_flavor_id(env['server']['flavorId']),
             image_id,
             kernel_id=kernel_id,
@@ -181,6 +197,7 @@ class Controller(wsgi.Controller):
             display_description=env['server']['name'],
             key_name=key_pair['name'],
             key_data=key_pair['public_key'],
+            metadata=metadata,
             onset_files=env.get('onset_files', []))
         return _translate_keys(instances[0])