fix(controller/registry): strip hostname from repo

The changes to the registry module did not strip the hostname from the
app image. This fixes that by properly parsing the source for the
repository name in the registry and the tag.

Author: Matthew Fisher

registry/private.py

@@ -6,6 +6,8 @@
 import urlparse
 import uuid
 
+from docker.utils import utils
+
 from django.conf import settings
 
 
@@ -23,14 +25,21 @@ def publish_release(source, config, target):
     contains the new configuration as ENV entries.
     """
     try:
-        # parse for the tag and the repository
-        if ':' in source:
-            if '/' not in source[source.rfind(':') + 1:]:
-                src_tag = source[source.rfind(':') + 1:]
-                src_image = source[:source.rfind(':')]
-        else:
-            src_image = source
-            src_tag = 'latest'
+        repo, tag = utils.parse_repository_tag(source)
+
+        src_image = repo
+        src_tag = tag if tag is not None else 'latest'
+        
+        nameparts = repo.rsplit('/', 1)
+        if len(nameparts) == 2:
+            if '/' in nameparts[0]:
+                # strip the hostname and just use the app name
+                src_image = '{}/{}'.format(nameparts[0].rsplit('/', 1)[1],
+                                           nameparts[1])
+            elif '.' in nameparts[0]:
+                # we got a name like registry.local:5000/registry
+                src_image = nameparts[1]
+
         target_image = target.rsplit(':', 1)[0]
         target_tag = target.rsplit(':', 1)[1]
         image_id = _get_tag(src_image, src_tag)

requirements.txt

@@ -13,6 +13,7 @@ django-guardian==1.1.1
 django-json-field==0.5.5
 django-yamlfield==0.5
 djangorestframework==2.3.13
+docker-py==0.4.0
 gunicorn==18.0
 psycopg2==2.5.2
 python-etcd==0.3.0