Add huawei cloud controller (#10198)

* Add huaweicloud as external cloud controller

* Add huaweicloud example config

* Rename AK,SK to ACCESS_KEY and SECRET_KEY

* Add reference to huaweicloud

* Fix variable naming

* Fix env var name

* Update example

* Fix variable naming

* Fix cloud_config path

* Add namespace for leader election

* Revert reviewers

* Delete OWNERS

Delete owners who are not responsible here.

* Fix build validation

roles/kubernetes-apps/external_cloud_controller/meta/main.yml

@@ -30,3 +30,13 @@ dependencies:
     tags:
       - external-cloud-controller
       - external-hcloud
+  - role: kubernetes-apps/external_cloud_controller/huaweicloud
+    when:
+      - cloud_provider is defined
+      - cloud_provider == "external"
+      - external_cloud_provider is defined
+      - external_cloud_provider == "huaweicloud"
+      - inventory_hostname == groups['kube_control_plane'][0]
+    tags:
+      - external-cloud-controller
+      - external-huaweicloud