X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FContainerUtils.py;h=478a9781a023823920370adbf9d414c6d45b7b75;hb=ada7009a3c826430e83a29c31bdf9a5973986ad9;hp=eadc0a8a5a42f6206c762e4bb058770d5d2f70c7;hpb=325bf96ce5fc13780fab0731855a2e2092208a2b;p=csit.git

diff --git a/resources/libraries/python/ContainerUtils.py b/resources/libraries/python/ContainerUtils.py
index eadc0a8a5a..478a9781a0 100644
--- a/resources/libraries/python/ContainerUtils.py
+++ b/resources/libraries/python/ContainerUtils.py
@@ -479,9 +479,7 @@ class ContainerEngine(object):
 class LXC(ContainerEngine):
     """LXC implementation."""
 
-    def __init__(self):
-        """Initialize LXC object."""
-        super(LXC, self).__init__()
+    # Implicit constructor is inherited.
 
     def acquire(self, force=True):
         """Acquire a privileged system object where configuration is stored.
@@ -672,9 +670,7 @@ class LXC(ContainerEngine):
 class Docker(ContainerEngine):
     """Docker implementation."""
 
-    def __init__(self):
-        """Initialize Docker object."""
-        super(Docker, self).__init__()
+    # Implicit constructor is inherited.
 
     def acquire(self, force=True):
         """Pull an image or a repository from a registry.
@@ -689,7 +685,10 @@ class Docker(ContainerEngine):
             else:
                 return
 
-        cmd = 'docker pull {c.image}'.format(c=self.container)
+        image = self.container.image if self.container.image else\
+            "ubuntu:xenial-20180412"
+
+        cmd = 'docker pull {image}'.format(image=image)
 
         ret, _, _ = self.container.ssh.exec_command_sudo(cmd, timeout=1800)
         if int(ret) != 0: