[Magnum] openstack cloud provider via helm

https://its.cern.ch/jira/browse/OS-11503
Moved from https://gitlab.cern.ch/cloud-infrastructure/magnum/-/merge_requests/188

magnum/drivers/common/templates/kubernetes/fragments/kube-apiserver-to-kubelet-role.sh

@@ -148,8 +148,13 @@ kubectl -n kube-system create secret generic os-trustee \
     --from-literal=os-region=${REGION_NAME} \
     --from-file=os-certAuthority=/etc/kubernetes/ca-bundle.crt
 
+cern_chart_version=$(echo ${CERN_CHART_VERSION} | cut -d. -f2)
+cern_chart_enabled=$(echo "${CERN_CHART_ENABLED}" | tr '[:upper:]' '[:lower:]')
+
 #TODO: add heat variables for master count to determine leaderelect true/False ?
-if [ "$(echo "${CLOUD_PROVIDER_ENABLED}" | tr '[:upper:]' '[:lower:]')" = "true" ]; then
+if [ "$(echo "${CLOUD_PROVIDER_ENABLED}" | tr '[:upper:]' '[:lower:]')" = "true" ] &&
+[ "${cern_chart_enabled}" != "true" ] && [ "${cern_chart_version}" -ge 11 ]; then
+
     occm_image="${CONTAINER_INFRA_PREFIX:-docker.io/k8scloudprovider/}openstack-cloud-controller-manager:${CLOUD_PROVIDER_TAG}"
     OCCM=/srv/magnum/kubernetes/openstack-cloud-controller-manager.yaml