Compare container images to Config.Image.

lib/ansible/modules/cloud/docker/docker.py

@@ -424,6 +424,13 @@ def get_split_image_tag(image):
 
     return resource, tag
 
+def normalize_image(image):
+    """
+    Normalize a Docker image name to include the implied :latest tag.
+    """
+
+    return ":".join(get_split_image_tag(image))
+
 
 def is_running(container):
     '''Return True if an inspected container is in a state we consider "running."'''
@@ -1113,11 +1120,13 @@ class DockerManager(object):
         if inspected:
             repo_tags = self.get_image_repo_tags()
         else:
-            image, tag = get_split_image_tag(self.module.params.get('image'))
-            repo_tags = [':'.join([image, tag])]
+            repo_tags = [normalize_image(self.module.params.get('image'))]
 
         for i in self.client.containers(all=True):
-            running_image = i['Image']
+            details = self.client.inspect_container(i['Id'])
+            details = _docker_id_quirk(details)
+
+            running_image = normalize_image(details['Config']['Image'])
             running_command = i['Command'].strip()
 
             if name:
@@ -1132,9 +1141,6 @@ class DockerManager(object):
                 matches = image_matches and command_matches
 
             if matches:
-                details = self.client.inspect_container(i['Id'])
-                details = _docker_id_quirk(details)
-
                 deployed.append(details)
 
         return deployed