fix(openstack-exporter): solve containerPort issues
diff --git a/roles/openstack_exporter/tasks/main.yml b/roles/openstack_exporter/tasks/main.yml
index 7b4504c..902fa2e 100644
--- a/roles/openstack_exporter/tasks/main.yml
+++ b/roles/openstack_exporter/tasks/main.yml
@@ -89,9 +89,9 @@
                     - --disable-metric=nova-limits_vcpus_used
                     - --disable-metric=nova-limits_memory_max
                     - --disable-metric=nova-limits_memory_used
-                  port:
-                    name: metrics
-                    containerPort: 9180
+                  ports:
+                    - name: metrics
+                      containerPort: 9180
                   volumeMounts:
                     - name: openstack-config
                       mountPath: /etc/openstack