Fix the ubuntu binary on mitaka branch

Closes-Bug: #1594040
Change-Id: I45fe81a37d0695e112d334a4f73279c0f1fb847b

docker/designate/designate-sink/Dockerfile.j2

@@ -13,7 +13,7 @@ RUN yum install -y \
 
 RUN apt-get install -y --no-install-recommends \
         designate-sink \
-        designateclient \
+        python-designateclient \
     && apt-get clean
 
     {% endif %}

docker/dind/Dockerfile.j2

@@ -18,6 +18,9 @@ RUN echo 'deb http://apt.dockerproject.org/repo ubuntu-trusty main' > /etc/apt/s
         docker-engine=1.8.2-0~trusty \
         openssh-server \
     && apt-get clean \
+    && curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py \
+    && python get-pip.py \
+    && rm get-pip.py \
     && pip --no-cache-dir install --upgrade docker-py
 
 {% endif %}

tests/test_build.py

@@ -93,7 +93,10 @@ class BuildTestCentosSource(BuildTest, base.BaseTestCase):
 
 
 class BuildTestUbuntuBinary(BuildTest, base.BaseTestCase):
-    excluded_images = ["mistral-base",
+    # NOTE(jeffrey4l): there is no gnocchi and tempest packages in Mitaka repo
+    excluded_images = ["gnocchi-base",
+                       "mistral-base",
+                       "tempest",
                        "magnum-base",
                        "zaqar"]