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/huaweicloud/tasks/main.yml

@@ -0,0 +1,49 @@
+---
+- name: External Huawei Cloud Controller | Check Huawei credentials
+  include_tasks: huaweicloud-credential-check.yml
+  tags: external-huaweicloud
+
+- name: External huaweicloud Cloud Controller | Get base64 cacert
+  slurp:
+    src: "{{ external_huaweicloud_cacert }}"
+  register: external_huaweicloud_cacert_b64
+  when:
+    - inventory_hostname == groups['kube_control_plane'][0]
+    - external_huaweicloud_cacert is defined
+    - external_huaweicloud_cacert | length > 0
+  tags: external-huaweicloud
+
+- name: External huaweicloud Cloud Controller | Get base64 cloud-config
+  set_fact:
+    external_huawei_cloud_config_secret: "{{ lookup('template', 'external-huawei-cloud-config.j2') | b64encode }}"
+  when: inventory_hostname == groups['kube_control_plane'][0]
+  tags: external-huaweicloud
+
+- name: External Huawei Cloud Controller | Generate Manifests
+  template:
+    src: "{{ item.file }}.j2"
+    dest: "{{ kube_config_dir }}/{{ item.file }}"
+    group: "{{ kube_cert_group }}"
+    mode: 0640
+  with_items:
+    - {name: external-huawei-cloud-config-secret, file: external-huawei-cloud-config-secret.yml}
+    - {name: external-huawei-cloud-controller-manager-roles, file: external-huawei-cloud-controller-manager-roles.yml}
+    - {name: external-huawei-cloud-controller-manager-role-bindings, file: external-huawei-cloud-controller-manager-role-bindings.yml}
+    - {name: external-huawei-cloud-controller-manager-ds, file: external-huawei-cloud-controller-manager-ds.yml}
+  register: external_huaweicloud_manifests
+  when: inventory_hostname == groups['kube_control_plane'][0]
+  tags: external-huaweicloud
+
+- name: External Huawei Cloud Controller | Apply Manifests
+  kube:
+    kubectl: "{{ bin_dir }}/kubectl"
+    filename: "{{ kube_config_dir }}/{{ item.item.file }}"
+    state: "latest"
+  with_items:
+    - "{{ external_huaweicloud_manifests.results }}"
+  when:
+    - inventory_hostname == groups['kube_control_plane'][0]
+    - not item is skipped
+  loop_control:
+    label: "{{ item.item.file }}"
+  tags: external-huaweicloud