add image_id_to_name filter

filter_plugins/openstack.py

@@ -1,7 +1,11 @@
 from ansible import errors, runner
-import json
+from glanceclient  import Client as GlanceClient
+from keystoneclient import session
+from keystoneclient.auth.identity import v2 as identity
 from novaclient.v3.client import Client
-import novaclient.exceptions;
+import glanceclient.exc
+import json
+import novaclient.exceptions
 
 def flavor_id_to_name(host_vars, user, password, tenant, auth_url):
     nt = Client(user, password, tenant, auth_url, service_type="compute")
@@ -19,8 +23,21 @@ def flavor_name_to_id(host_vars, user, password, tenant, auth_url):
           return i.id
     raise errors.AnsibleFilterError('There is no flavor of id {0}'.format(host_vars))
 
+def image_id_to_name(host_vars, user, password, tenant, auth_url):
+    auth = identity.Password(auth_url=auth_url, username=user,
+                         password=password, tenant_name=tenant)
+    sess = session.Session(auth=auth)
+    token = auth.get_token(sess)
+    endpoint = auth.get_endpoint(sess, service_name='glance', service_type='image')
+    glance = GlanceClient('2', endpoint=endpoint, token=token)
+    try:
+          return glance.images.get(host_vars).name
+    except glanceclient.exc.HTTPNotFound:
+        raise errors.AnsibleFilterError('There is no image of id {0}'.format(host_vars))
+
 class FilterModule (object):
     def filters(self):
         return {"flavor_id_to_name": flavor_id_to_name,
             "flavor_name_to_id": flavor_name_to_id,
+            "image_id_to_name": image_id_to_name,
         }