Make oslo.log work correctly on RDO platforms

RDO has backported the oslo.log fix but Ubuntu from source does not have
the proper version of oslo.log with the error correction for syslog.

Change-Id: If91200397e02cf5b696d34d9aa4d6980fbba36c6
Partially-Implements: bp logging-container

docker/openstack-base/Dockerfile.j2

@@ -1,15 +1,13 @@
 FROM {{ namespace }}/{{ image_prefix }}base:{{ tag }}
 MAINTAINER Kolla Project (https://launchpad.net/kolla)
 
+{% if install_type == 'source' %}
     {% if base_distro in ['fedora', 'centos', 'oraclelinux', 'rhel'] %}
 
 RUN yum -y install patch \
     && yum clean all
 
-{% endif %}
-
-{% if install_type == 'source' %}
-    {% if base_distro in ['ubuntu', 'debian'] %}
+    {% elif base_distro in ['ubuntu', 'debian'] %}
 
 RUN apt-get install -y --no-install-recommends \
         curl \
@@ -50,11 +48,11 @@ RUN curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py \
         python-openstackclient \
         MySQL-python
 
-{% endif %}
-
 # TODO(sdake):  Remove a backport of a patch which is not yet in the packaging
 #               to make oslo.log work properly once the patch is in oslo.log
 #               NB: Please remove patch from the list of packages for both
 #                   RPM and APT.
 COPY 0001-Fix-unintended-assignment-of-syslog.patch /
 RUN patch -p1 -d /usr/lib/python2.7/site-packages < /0001-Fix-unintended-assignment-of-syslog.patch
+
+{% endif %}