Merge "Make nova-compute-network use a data volume container"

compose/nova-compute-network.yml

+computedata:
+   image: kollaglue/centos-rdo-nova-compute-data
+   name: computedata
+
 libvirt:
    image: kollaglue/centos-rdo-nova-libvirt
    name: libvirt
@@ -10,9 +14,8 @@ libvirt:
    volumes:
     - /run:/run
     - /sys/fs/cgroup:/sys/fs/cgroup
-    - /var/lib/nova:/var/lib/nova
-    - /var/lib/libvirt:/var/lib/libvirt
-    - /etc/libvirt/qemu:/etc/libvirt/qemu
+   volumes_from:
+    - computedata
 
 novanetwork:
    image: kollaglue/centos-rdo-nova-network
@@ -25,8 +28,8 @@ novanetwork:
    volumes:
     - /run:/run
     - /sys/fs/cgroup:/sys/fs/cgroup
-    - /var/lib/nova:/var/lib/nova
-    - /var/lib/libvirt:/var/lib/libvirt
+   volumes_from:
+    - computedata
 
 novacompute:
    image: kollaglue/centos-rdo-nova-compute
@@ -39,6 +42,5 @@ novacompute:
    volumes:
     - /run:/run
     - /sys/fs/cgroup:/sys/fs/cgroup
-    - /var/lib/nova:/var/lib/nova
-    - /var/lib/libvirt:/var/lib/libvirt
-    - /etc/libvirt/qemu:/etc/libvirt/qemu
+   volumes_from:
+    - computedata

docker/nova-compute/nova-compute-data/Dockerfile

+FROM %%KOLLA_NAMESPACE%%/%%KOLLA_PREFIX%%base
+MAINTAINER Kolla Project (https://launchpad.net/kolla)
+
+VOLUME [ "/var/lib/nova" ]
+VOLUME [ "/var/lib/libvirt" ]
+VOLUME [ "/etc/libvirt/qemu" ]
+
+# Command needed to start the data container.
+# Note: data containers do not need to be persistent.
+CMD ["/bin/true"]

docker/nova-compute/nova-compute-data/build

+../../../tools/build-docker-image
\ No newline at end of file

docker/nova-compute/nova-compute/Dockerfile

@@ -9,7 +9,5 @@ ADD config-nova-compute.sh /opt/kolla/config-nova-compute.sh
 ADD ./start.sh /start.sh
 
 VOLUME [ "/sys/fs/cgroup" ]
-VOLUME [ "/var/lib/nova" ]
-VOLUME [ "/var/lib/libvirt" ]
 
 CMD ["/start.sh"]

docker/nova-compute/nova-libvirt/Dockerfile

@@ -6,7 +6,6 @@ RUN yum -y install libvirtd libguestfs qemu-system-x86 \
         libvirt-daemon-config-nwfilter; yum clean all
 
 VOLUME [ "/sys/fs/cgroup" ]
-VOLUME [ "/var/lib/nova" ]
 
 ADD ./start.sh /start.sh
 

docker/nova-compute/nova-network/Dockerfile

@@ -7,7 +7,4 @@ RUN yum -y install openstack-nova-network \
 ADD config-nova-network.sh /opt/kolla/config-nova-network.sh
 ADD ./start.sh /start.sh
 
-VOLUME [ "/var/lib/nova" ]
-VOLUME [ "/var/lib/libvirt" ]
-
 CMD ["/start.sh"]