Make cinder work by removing udev+lvm integration

Turn off udev integration in the lvm.conf file in the Cinder
container so logical volumes can be created.

Change-Id: Ida01e9b9c4d530dad1a9d84724623461eda3f84c
Closes-Bug: #1487807

docker/centos/binary/cinder/cinder-base/Dockerfile

 FROM %%KOLLA_NAMESPACE%%/%%KOLLA_PREFIX%%base:%%KOLLA_TAG%%
 MAINTAINER Kolla Project (https://launchpad.net/kolla)
 
-RUN yum -y install openstack-cinder python-automaton && yum clean all
+RUN yum -y install openstack-cinder \
+        python-automaton \
+    && sed -i "s|udev_rules = 1|udev_rules = 0|g" /etc/lvm/lvm.conf \
+    && sed -i "s|udev_sync = 1|udev_sync = 0|g" /etc/lvm/lvm.conf \
+    && yum clean all
+
+# NOTE(sdake): The sed operations make LVM tools work inside a container - see
+# https://groups.google.com/forum/#!topic/docker-user/n4Xtvsb4RAw

docker/centos/source/cinder/cinder-base/Dockerfile

@@ -11,4 +11,9 @@ RUN cd /cinder \
     && mkdir /etc/cinder /var/log/cinder \
     && cp -r /cinder/etc/cinder/* /etc/cinder/ \
     && chown -R cinder: /etc/cinder /var/log/cinder \
-    && rm -rf /root/.cache
+    && rm -rf /root/.cache \
+    && sed -i "s|udev_rules = 1|udev_rules = 0|g" /etc/lvm/lvm.conf \
+    && sed -i "s|udev_sync = 1|udev_sync = 0|g" /etc/lvm/lvm.conf
+
+# NOTE(sdake): The sed operations make LVM tools work inside a container - see
+# https://groups.google.com/forum/#!topic/docker-user/n4Xtvsb4RAw

docker_templates/cinder/cinder-base/Dockerfile.j2

@@ -6,7 +6,12 @@ MAINTAINER Kolla Project (https://launchpad.net/kolla)
 
 RUN yum -y install openstack-cinder \
     python-automaton \
-  && yum clean all
+  && yum clean all \
+  && sed -i "s|udev_rules = 1|udev_rules = 0|g" /etc/lvm/lvm.conf \
+  && sed -i "s|udev_sync = 1|udev_sync = 0|g" /etc/lvm/lvm.conf
+
+# NOTE(sdake): The sed operations make LVM tools work inside a container - see
+# https://groups.google.com/forum/#!topic/docker-user/n4Xtvsb4RAw
 
      {% elif base_distro in ['ubuntu', 'debian'] %}
 
@@ -26,6 +31,11 @@ RUN cd /cinder \
     && mkdir /etc/cinder /var/log/cinder \
     && cp -r /cinder/etc/cinder/* /etc/cinder/ \
     && chown -R cinder: /etc/cinder /var/log/cinder \
-    && rm -rf /root/.cache
+    && rm -rf /root/.cache \
+    && sed -i "s|udev_rules = 1|udev_rules = 0|g" /etc/lvm/lvm.conf \
+    && sed -i "s|udev_sync = 1|udev_sync = 0|g" /etc/lvm/lvm.conf
+
+# NOTE(sdake): The sed operations make LVM tools work inside a container - see
+# https://groups.google.com/forum/#!topic/docker-user/n4Xtvsb4RAw
 
 {% endif %}