Add extra arguments variables for openstack and vsphere cloud controller manager daemonsets (#6783)

roles/kubernetes-apps/external_cloud_controller/openstack/defaults/main.yml

@@ -12,4 +12,10 @@ external_openstack_domain_name: "{{ lookup('env','OS_USER_DOMAIN_NAME') }}"
 external_openstack_domain_id: "{{ lookup('env','OS_USER_DOMAIN_ID') }}"
 external_openstack_cacert: "{{ lookup('env','OS_CACERT') }}"
 
+## A dictionary of extra arguments to add to the openstack cloud controller manager daemonset
+## Format:
+##  external_openstack_cloud_controller_extra_args:
+##    arg1: "value1"
+##    arg2: "value2"
+external_openstack_cloud_controller_extra_args: {}
 external_openstack_cloud_controller_image_tag: "v1.18.2"

roles/kubernetes-apps/external_cloud_controller/openstack/templates/external-openstack-cloud-controller-manager-ds.yml.j2

@@ -44,6 +44,9 @@ spec:
             - --cloud-provider=openstack
             - --use-service-account-credentials=true
             - --address=127.0.0.1
+{% for key, value in external_openstack_cloud_controller_extra_args.items() %}
+            - "{{ '--' + key + '=' + value }}"
+{% endfor %}
           volumeMounts:
             - mountPath: /etc/kubernetes/pki
               name: k8s-certs