diff --git a/roles/cinder-controller/tasks/main.yml b/roles/cinder-controller/tasks/main.yml
index b4aad49..b9fe54f 100644
--- a/roles/cinder-controller/tasks/main.yml
+++ b/roles/cinder-controller/tasks/main.yml
@@ -8,16 +8,16 @@
 - set_fact:
     docker_image: registry.webhosting.rug.nl/hpc/openstack-cinder-controller:latest
     env_vars: >
-        -e "MY_IP={{ ansible_default_ipv4.address }}"
-        -e "CINDER_HOST={{ hostvars[groups['cinder-controller'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "MY_IP={{ listen_ip | default(ansible_default_ipv4.address) }}"
+        -e "CINDER_HOST={{ listen_ip | default(hostvars[groups['cinder-controller'][0]]['ansible_default_ipv4']['address']) }}"
         -e "CINDER_PASSWORD={{ secrets['CINDER_PASSWORD'] }}"
         -e "CINDER_USER=cinder"
-        -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}"
-        -e "MEMCACHED_HOST={{ hostvars[groups['memcached'][0]]['ansible_default_ipv4']['address'] }}"
-        -e "MYSQL_HOST={{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "KEYSTONE_HOST={{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}"
+        -e "MEMCACHED_HOST={{ listen_ip | default(hostvars[groups['memcached'][0]]['ansible_default_ipv4']['address']) }}"
+        -e "MYSQL_HOST={{ listen_ip | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }}"
         -e "MYSQL_ROOT_PASSWORD={{ secrets['MYSQL_ROOT_PASSWORD'] }}"
         -e "OS_PASSWORD={{ secrets['OS_PASSWORD'] }}"
-        -e "RABBIT_HOST={{ hostvars[groups['rabbitmq'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "RABBIT_HOST={{ listen_ip | default(hostvars[groups['rabbitmq'][0]]['ansible_default_ipv4']['address']) }}"
         -e "RABBIT_PASSWORD={{ secrets['RABBIT_PASSWORD'] }}"
         -e "RABBIT_USER=openstack"
 
diff --git a/roles/cinder-storage/tasks/main.yml b/roles/cinder-storage/tasks/main.yml
index 4a82e0d..2ed2df2 100644
--- a/roles/cinder-storage/tasks/main.yml
+++ b/roles/cinder-storage/tasks/main.yml
@@ -8,16 +8,16 @@
 - set_fact:
     docker_image: registry.webhosting.rug.nl/hpc/openstack-cinder-storage:latest
     env_vars: >
-        -e "MY_IP={{ ansible_default_ipv4.address }}"
-        -e "CINDER_HOST={{ hostvars[groups['cinder-storage'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "MY_IP={{ listen_ip | default(ansible_default_ipv4.address) }}"
+        -e "CINDER_HOST={{ listen_ip | default(hostvars[groups['cinder-storage'][0]]['ansible_default_ipv4']['address']) }}"
         -e "CINDER_PASSWORD={{ secrets['CINDER_PASSWORD'] }}"
         -e "CINDER_USER=cinder"
-        -e "GLANCE_HOST={{ hostvars[groups['glance-controller'][0]]['ansible_default_ipv4']['address'] }}"
-        -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}"
-        -e "MYSQL_HOST={{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "GLANCE_HOST={{ listen_ip | default(hostvars[groups['glance-controller'][0]]['ansible_default_ipv4']['address']) }}"
+        -e "KEYSTONE_HOST={{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}"
+        -e "MYSQL_HOST={{ listen_ip | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }}"
         -e "MYSQL_ROOT_PASSWORD={{ secrets['MYSQL_ROOT_PASSWORD'] }}"
         -e "OS_PASSWORD={{ secrets['OS_PASSWORD'] }}"
-        -e "RABBIT_HOST={{ hostvars[groups['rabbitmq'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "RABBIT_HOST={{ listen_ip | default(hostvars[groups['rabbitmq'][0]]['ansible_default_ipv4']['address']) }}"
         -e "RABBIT_PASSWORD={{ secrets['RABBIT_PASSWORD'] }}"
         -e "RABBIT_USER=openstack"
 
diff --git a/roles/glance-controller/tasks/main.yml b/roles/glance-controller/tasks/main.yml
index 02328ea..6b45df2 100644
--- a/roles/glance-controller/tasks/main.yml
+++ b/roles/glance-controller/tasks/main.yml
@@ -8,15 +8,15 @@
 - set_fact:
     docker_image: registry.webhosting.rug.nl/hpc/openstack-glance:latest
     env_vars: >
-        -e "GLANCE_HOST={{ hostvars[groups['glance-controller'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "GLANCE_HOST={{ listen_ip | default(hostvars[groups['glance-controller'][0]]['ansible_default_ipv4']['address']) }}"
         -e "GLANCE_PASSWORD={{ secrets['GLANCE_PASSWORD'] }}"
         -e "GLANCE_USER=glance"
-        -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}"
-        -e "MEMCACHED_HOST={{ hostvars[groups['memcached'][0]]['ansible_default_ipv4']['address'] }}"
-        -e "MYSQL_HOST={{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "KEYSTONE_HOST={{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}"
+        -e "MEMCACHED_HOST={{ listen_ip | default(hostvars[groups['memcached'][0]]['ansible_default_ipv4']['address']) }}"
+        -e "MYSQL_HOST={{ listen_ip | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }}"
         -e "MYSQL_ROOT_PASSWORD={{ secrets['MYSQL_ROOT_PASSWORD'] }}"
         -e "OS_PASSWORD={{ secrets['OS_PASSWORD'] }}"
-        -e "RABBIT_HOST={{ hostvars[groups['rabbitmq'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "RABBIT_HOST={{ listen_ip | default(hostvars[groups['rabbitmq'][0]]['ansible_default_ipv4']['address']) }}"
         -e "RABBIT_PASSWORD={{ secrets['RABBIT_PASSWORD'] }}"
         -e "RABBIT_USER=openstack"
 
@@ -48,7 +48,7 @@
   command: >
              /usr/bin/docker run --rm
              {{ env_vars }}
-             --add-host=keystone:{{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }} \
+             --add-host=keystone:{{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }} \
              -v /srv/glance/root:/root \
              {{ docker_image }} /etc/bootstrap.sh
   tags: bootstrap
diff --git a/roles/horizon/templates/horizon.service b/roles/horizon/templates/horizon.service
index 6b15bd0..7d9f1a7 100644
--- a/roles/horizon/templates/horizon.service
+++ b/roles/horizon/templates/horizon.service
@@ -9,9 +9,9 @@ Restart=always
 ExecStartPre=-/usr/bin/docker kill %n
 ExecStartPre=-/usr/bin/docker rm %n
 ExecStart=/usr/bin/docker run --name %n \
-  -e "MEMCACHED_SERVER={{ hostvars[groups['memcached'][0]]['ansible_default_ipv4']['address'] }}" \
-  -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}" \
-  --add-host=keystone:{{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }} \
+  -e "MEMCACHED_SERVER={{ hostvars[groups['memcached'][0]]['listen_ip'] | default(hostvars[groups['memcached'][0]]['ansible_default_ipv4']['address']) }}" \
+  -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['listen_ip'] | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}" \
+  --add-host=keystone:{{ hostvars[groups['keystone'][0]]['listen_ip'] | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }} \
   -p 80:80 \
   {{ docker_image }}
 
diff --git a/roles/keystone/tasks/main.yml b/roles/keystone/tasks/main.yml
index 708b301..78b2450 100644
--- a/roles/keystone/tasks/main.yml
+++ b/roles/keystone/tasks/main.yml
@@ -40,7 +40,7 @@
   script: scripts/initialize_db.sh
   environment:
     MYSQL_ROOT_PASSWORD: "{{ secrets['MYSQL_ROOT_PASSWORD'] }}"
-    DB_HOST: "{{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }}"
+    DB_HOST: "{{ listen_ip | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }}"
   register: result
   until: result|succeeded
   # sometimes the initial connect fails.
@@ -52,9 +52,9 @@
 - name: keystone manage commands to setup db
   command: >
              /usr/bin/docker run --rm
-             --add-host=mariadb:{{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }}
+             --add-host=mariadb:{{ listen_ip | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }}
              -v /srv/keystone/fernet-keys:/etc/keystone/fernet-keys
-             -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}"
+             -e "KEYSTONE_HOST={{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}"
              {{ docker_image }} keystone-manage {{ item }}
   with_items:
       - db_sync
@@ -62,9 +62,9 @@
       - credential_setup --keystone-user keystone --keystone-group keystone
       - >
           bootstrap --bootstrap-password {{ secrets['OS_PASSWORD'] }}
-                    --bootstrap-admin-url http://{{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}:35357/v3/
-                    --bootstrap-internal-url http://{{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}:35357/v3/
-                    --bootstrap-public-url http://{{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}:5000/v3/
+                    --bootstrap-admin-url http://{{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}:35357/v3/
+                    --bootstrap-internal-url http://{{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}:35357/v3/
+                    --bootstrap-public-url http://{{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}:5000/v3/
                     --bootstrap-region-id RegionOne
 
 - name: make sure service is started
@@ -75,10 +75,10 @@
 - name: Create a domain, projects users and roles
   command: >
              /usr/bin/docker run --rm
-             --add-host=mariadb:{{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }}
+             --add-host=mariadb:{{ listen_ip | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }}
              -v /srv/keystone/fernet-keys:/etc/keystone/fernet-keys
              -v /srv/keystone/root:/root
-             -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}"
+             -e "KEYSTONE_HOST={{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}"
              -e "OS_AUTH_URL=http://${KEYSTONE_HOST}:35357/v3"
              -e "OS_PASSWORD={{ secrets['OS_PASSWORD'] }}"
              {{ docker_image }} bash /etc/bootstrap.sh
diff --git a/roles/keystone/templates/keystone.service b/roles/keystone/templates/keystone.service
index a9d0726..6517c08 100644
--- a/roles/keystone/templates/keystone.service
+++ b/roles/keystone/templates/keystone.service
@@ -9,8 +9,8 @@ Restart=always
 ExecStartPre=-/usr/bin/docker kill %n
 ExecStartPre=-/usr/bin/docker rm %n
 ExecStart=/usr/bin/docker run --name %n \
-  --add-host=mariadb:{{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }} \
-  -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}" \
+  --add-host=mariadb:{{ hostvars[groups['databases'][0]]['listen_ip'] | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }} \
+  -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['listen_ip'] | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}" \
   -p 5000:5000 -p 35357:35357 \
   -v /srv/keystone/fernet-keys:/etc/keystone/fernet-keys \
   -v /srv/keystone/root:/root \
diff --git a/roles/neutron-controller/tasks/main.yml b/roles/neutron-controller/tasks/main.yml
index 9c67050..0cb1a97 100644
--- a/roles/neutron-controller/tasks/main.yml
+++ b/roles/neutron-controller/tasks/main.yml
@@ -16,17 +16,17 @@
 
 - set_fact:
     env_vars: >
-        -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}"
-        -e "MEMCACHED_HOST={{ hostvars[groups['memcached'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "KEYSTONE_HOST={{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}"
+        -e "MEMCACHED_HOST={{ listen_ip | default(hostvars[groups['memcached'][0]]['ansible_default_ipv4']['address']) }}"
         -e "METADATA_SECRET={{ secrets['METADATA_SECRET'] }}"
-        -e "MY_IP={{ hostvars[groups['neutron-controller'][0]]['ansible_default_ipv4']['address'] }}"
-        -e "MYSQL_HOST={{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "MY_IP={{ listen_ip | default(hostvars[groups['neutron-controller'][0]]['ansible_default_ipv4']['address']) }}"
+        -e "MYSQL_HOST={{ listen_ip | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }}"
         -e "MYSQL_ROOT_PASSWORD={{ secrets['MYSQL_ROOT_PASSWORD'] }}"
         -e "NEUTRON_PASSWORD={{ secrets['NEUTRON_PASSWORD'] }}"
         -e "NEUTRON_USER=neutron"
         -e "NOVA_USER=nova"
         -e "NOVA_PASSWORD={{ secrets['NOVA_PASSWORD'] }}"
-        -e "NOVA_CONTROLLER_HOST={{ hostvars[groups['nova-controller'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "NOVA_CONTROLLER_HOST={{ listen_ip | default(hostvars[groups['nova-controller'][0]]['ansible_default_ipv4']['address']) }}"
         -e "NOVA_PLACEMENT_PASSWORD={{ secrets['NOVA_PLACEMENT_PASSWORD'] }}"
         -e "NOVA_PLACEMENT_USER=placement"
         -e "OS_PASSWORD={{ secrets['OS_PASSWORD'] }}"
@@ -49,8 +49,8 @@
   command: >
     /usr/bin/docker run --rm
     {{ env_vars }}
-    --add-host=mariadb:{{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }}
-    --add-host=keystone:{{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}
+    --add-host=mariadb:{{ listen_ip | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }}
+    --add-host=keystone:{{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}
     --network host
     {{ docker_image }}
     /etc/bootstrap.sh
diff --git a/roles/neutron-controller/templates/neutron-controller.service b/roles/neutron-controller/templates/neutron-controller.service
index 3247d73..57c8147 100644
--- a/roles/neutron-controller/templates/neutron-controller.service
+++ b/roles/neutron-controller/templates/neutron-controller.service
@@ -10,9 +10,9 @@ ExecStartPre=-/usr/bin/docker kill %n
 ExecStartPre=-/usr/bin/docker rm %n
 ExecStart=/usr/bin/docker run --name %n \
   {{ env_vars | replace('\n', '') }} \
-  --add-host=nova-controller:{{ hostvars[groups['nova-controller'][0]]['ansible_default_ipv4']['address'] }} \
-  --add-host=mariadb:{{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }} \
-  --add-host=keystone:{{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }} \
+  --add-host=nova-controller:{{ hostvars[groups['nova-controller'][0]]['listen_ip'] | default(hostvars[groups['nova-controller'][0]]['ansible_default_ipv4']['address']) }} \
+  --add-host=mariadb:{{ hostvars[groups['databases'][0]]['listen_ip'] | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }} \
+  --add-host=keystone:{{ hostvars[groups['keystone'][0]]['listen_ip'] | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }} \
   --add-host={{ ansible_nodename }}:{{ ansible_default_ipv4.address }} \
   --privileged \
   --network host \
diff --git a/roles/nova-compute/templates/nova-compute.service b/roles/nova-compute/templates/nova-compute.service
index 905f8c8..1ef9505 100644
--- a/roles/nova-compute/templates/nova-compute.service
+++ b/roles/nova-compute/templates/nova-compute.service
@@ -9,17 +9,17 @@ Restart=always
 ExecStartPre=-/usr/bin/docker kill %n
 ExecStartPre=-/usr/bin/docker rm %n
 ExecStart=/usr/bin/docker run --name %n \
-    -e "GLANCE_CONTROLLER_HOST={{ hostvars[groups['glance-controller'][0]]['ansible_default_ipv4']['address'] }}" \
-    -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}" \
-    -e "MEMCACHED_HOST={{ hostvars[groups['memcached'][0]]['ansible_default_ipv4']['address'] }}" \
-    -e "MY_IP={{ hostvars[groups['nova-compute'][0]]['ansible_default_ipv4']['address'] }}" \
-    -e "MYSQL_HOST={{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }}" \
+    -e "GLANCE_CONTROLLER_HOST={{ hostvars[groups['glance-controller'][0]]['listen_ip'] | default(hostvars[groups['glance-controller'][0]]['ansible_default_ipv4']['address']) }}" \
+    -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['listen_ip'] | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}" \
+    -e "MEMCACHED_HOST={{ hostvars[groups['memcached'][0]]['listen_ip'] | default(hostvars[groups['memcached'][0]]['ansible_default_ipv4']['address']) }}" \
+    -e "MY_IP={{ hostvars[groups['nova-compute'][0]]['listen_ip'] | default(hostvars[groups['nova-compute'][0]]['ansible_default_ipv4']['address']) }}" \
+    -e "MYSQL_HOST={{ hostvars[groups['databases'][0]]['listen_ip'] | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }}" \
     -e "MYSQL_ROOT_PASSWORD={{ secrets['MYSQL_ROOT_PASSWORD'] }}" \
-    -e "NEUTRON_CONTROLLER_HOST={{ hostvars[groups['neutron-controller'][0]]['ansible_default_ipv4']['address'] }}" \
+    -e "NEUTRON_CONTROLLER_HOST={{ hostvars[groups['neutron-controller'][0]]['listen_ip'] | default(hostvars[groups['neutron-controller'][0]]['ansible_default_ipv4']['address']) }}" \
     -e "NEUTRON_PASSWORD={{ secrets['NEUTRON_PASSWORD'] }}" \
     -e "NEUTRON_USER=neutron" \
     -e "NOVA_COMPUTE_USER=nova_compute" \
-    -e "NOVA_CONTROLLER_HOST={{ hostvars[groups['nova-controller'][0]]['ansible_default_ipv4']['address'] }}" \
+    -e "NOVA_CONTROLLER_HOST={{ hostvars[groups['nova-controller'][0]]['listen_ip'] | default(hostvars[groups['nova-controller'][0]]['ansible_default_ipv4']['address']) }}" \
     -e "NOVA_PASSWORD={{ secrets['NOVA_PASSWORD'] }}" \
     -e "NOVA_PASSWORD={{ secrets['NOVA_PASSWORD'] }}" \
     -e "NOVA_PLACEMENT_PASSWORD={{ secrets['NOVA_PLACEMENT_PASSWORD'] }}" \
@@ -27,11 +27,11 @@ ExecStart=/usr/bin/docker run --name %n \
     -e "NOVA_USER=nova" \
     -e "OS_PASSWORD={{ secrets['OS_PASSWORD'] }}" \
     -e "PROVIDER_INTERFACE_NAME={{ provider_interface_name }}" \
-    -e "RABBIT_HOST={{ hostvars[groups['rabbitmq'][0]]['ansible_default_ipv4']['address'] }}" \
+    -e "RABBIT_HOST={{ hostvars[groups['rabbitmq'][0]]['listen_ip'] | default(hostvars[groups['rabbitmq'][0]]['ansible_default_ipv4']['address']) }}" \
     -e "RABBIT_PASSWORD={{ secrets['RABBIT_PASSWORD'] }}" \
     -e "RABBIT_USER=openstack" \
-    --add-host=keystone:{{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }} \
-    --add-host=mariadb:{{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }} \
+    --add-host=keystone:{{ hostvars[groups['keystone'][0]]['listen_ip'] | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }} \
+    --add-host=mariadb:{{ hostvars[groups['databases'][0]]['listen_ip'] | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }} \
     --privileged \
     -v /var/run/libvirt/libvirt-sock:/var/run/libvirt/libvirt-sock \
     -v /var/lib/nova/instances:/var/lib/nova/instances \
diff --git a/roles/nova-controller/tasks/main.yml b/roles/nova-controller/tasks/main.yml
index 3ecede3..b5865f9 100644
--- a/roles/nova-controller/tasks/main.yml
+++ b/roles/nova-controller/tasks/main.yml
@@ -17,16 +17,16 @@
 - set_fact:
     docker_image: registry.webhosting.rug.nl/hpc/openstack-nova-service:latest
     env_vars: >
-        -e "GLANCE_CONTROLLER_HOST={{ hostvars[groups['glance-controller'][0]]['ansible_default_ipv4']['address'] }}"
-        -e "KEYSTONE_HOST={{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}"
-        -e "MEMCACHED_HOST={{ hostvars[groups['memcached'][0]]['ansible_default_ipv4']['address'] }}"
-        -e "MY_IP={{ hostvars[groups['nova-controller'][0]]['ansible_default_ipv4']['address'] }}"
-        -e "MYSQL_HOST={{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "GLANCE_CONTROLLER_HOST={{ listen_ip | default(hostvars[groups['glance-controller'][0]]['ansible_default_ipv4']['address']) }}"
+        -e "KEYSTONE_HOST={{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}"
+        -e "MEMCACHED_HOST={{ listen_ip | default(hostvars[groups['memcached'][0]]['ansible_default_ipv4']['address']) }}"
+        -e "MY_IP={{ listen_ip | default(hostvars[groups['nova-controller'][0]]['ansible_default_ipv4']['address']) }}"
+        -e "MYSQL_HOST={{ listen_ip | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }}"
         -e "MYSQL_ROOT_PASSWORD={{ secrets['MYSQL_ROOT_PASSWORD'] }}"
-        -e "NEUTRON_CONTROLLER_HOST={{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "NEUTRON_CONTROLLER_HOST={{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}"
         -e "NEUTRON_PASSWORD={{ secrets['NEUTRON_PASSWORD'] }}"
         -e "NEUTRON_USER=neutron"
-        -e "NOVA_CONTROLLER_HOST={{ hostvars[groups['nova-controller'][0]]['ansible_default_ipv4']['address'] }}"
+        -e "NOVA_CONTROLLER_HOST={{ listen_ip | default(hostvars[groups['nova-controller'][0]]['ansible_default_ipv4']['address']) }}"
         -e "NOVA_PASSWORD={{ secrets['NOVA_PASSWORD'] }}"
         -e "NOVA_PLACEMENT_PASSWORD={{ secrets['NOVA_PLACEMENT_PASSWORD'] }}"
         -e "NOVA_PLACEMENT_USER=placement"
@@ -56,8 +56,8 @@
   command: >
     /usr/bin/docker run --rm
     {{ env_vars }}
-    --add-host=mariadb:{{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }}
-    --add-host=keystone:{{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }}
+    --add-host=mariadb:{{ listen_ip | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }}
+    --add-host=keystone:{{ listen_ip | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }}
     -v /srv/nova-controller/root:/root
     {{ docker_image }}
     /etc/bootstrap.sh
diff --git a/roles/nova-controller/templates/nova-controller.service b/roles/nova-controller/templates/nova-controller.service
index 956f918..79bc7bd 100644
--- a/roles/nova-controller/templates/nova-controller.service
+++ b/roles/nova-controller/templates/nova-controller.service
@@ -10,8 +10,8 @@ ExecStartPre=-/usr/bin/docker kill %n
 ExecStartPre=-/usr/bin/docker rm %n
 ExecStart=/usr/bin/docker run --name %n \
   {{ env_vars | replace('\n', '') }} \
-  --add-host=mariadb:{{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }} \
-  --add-host=keystone:{{ hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address'] }} \
+  --add-host=mariadb:{{ hostvars[groups['databases'][0]]['listen_ip'] | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }} \
+  --add-host=keystone:{{ hostvars[groups['keystone'][0]]['listen_ip'] | default(hostvars[groups['keystone'][0]]['ansible_default_ipv4']['address']) }} \
   --privileged \
   -v /srv/nova-controller/root:/root \
   -p 8774:8774 \
diff --git a/roles/rabbitmq/files/rabbitmq.service b/roles/rabbitmq/files/rabbitmq.service
index 467a37c..41fb7b6 100644
--- a/roles/rabbitmq/files/rabbitmq.service
+++ b/roles/rabbitmq/files/rabbitmq.service
@@ -11,7 +11,7 @@ ExecStartPre=-/usr/bin/docker rm %n
 ExecStartPre=/usr/bin/docker pull rabbitmq:latest
 ExecStart=/usr/bin/docker run \
 {% for host in groups['rabbitmq'] %}
-          --add-host "{{ host }}:{{ hostvars[host]['ansible_default_ipv4']['address'] }}" \
+          --add-host "{{ host }}:{{ hostvars[host]['listen_ip'] | default(hostvars[host]['ansible_default_ipv4']['address']) }}" \
 {% endfor %}
           -p 4369:4369 -p 25679:25679 -p 25672:25672 -p 5671-5672:5671-5672 -p 8080:15672 \
           -e "RABBITMQ_DEFAULT_USER=user" -e "RABBITMQ_DEFAULT_PASS={{ secrets['RABBIT_PASSWORD'] }}" \