Add Kubelet config, remove deprecated flags and fix minor bugs (#4724)

* Add kubelet config

* Change kubelet_authorization_mode_webhook to true

* Fix lint

* Sync env file

* Refactor the kubernetes node folder

* Remove deprecated flag and fix lint

roles/kubernetes/node/tasks/cloud-credentials/azure-credential-check.yml

@@ -0,0 +1,72 @@
+---
+- name: check azure_tenant_id value
+  fail:
+    msg: "azure_tenant_id is missing"
+  when: azure_tenant_id is not defined or not azure_tenant_id
+
+- name: check openstack_username value
+  fail:
+    msg: "azure_subscription_id is missing"
+  when: azure_subscription_id is not defined or not azure_subscription_id
+
+- name: check azure_aad_client_id value
+  fail:
+    msg: "azure_aad_client_id is missing"
+  when: azure_aad_client_id is not defined or not azure_aad_client_id
+
+- name: check azure_aad_client_secret value
+  fail:
+    msg: "azure_aad_client_secret is missing"
+  when: azure_aad_client_secret is not defined or not azure_aad_client_secret
+
+- name: check azure_resource_group value
+  fail:
+    msg: "azure_resource_group is missing"
+  when: azure_resource_group is not defined or not azure_resource_group
+
+- name: check azure_location value
+  fail:
+    msg: "azure_location is missing"
+  when: azure_location is not defined or not azure_location
+
+- name: check azure_subnet_name value
+  fail:
+    msg: "azure_subnet_name is missing"
+  when: azure_subnet_name is not defined or not azure_subnet_name
+
+- name: check azure_security_group_name value
+  fail:
+    msg: "azure_security_group_name is missing"
+  when: azure_security_group_name is not defined or not azure_security_group_name
+
+- name: check azure_vnet_name value
+  fail:
+    msg: "azure_vnet_name is missing"
+  when: azure_vnet_name is not defined or not azure_vnet_name
+
+- name: check azure_vnet_resource_group value
+  fail:
+    msg: "azure_vnet_resource_group is missing"
+  when: azure_vnet_resource_group is not defined or not azure_vnet_resource_group
+
+- name: check azure_route_table_name value
+  fail:
+    msg: "azure_route_table_name is missing"
+  when: azure_route_table_name is not defined or not azure_route_table_name
+
+- name: check azure_loadbalancer_sku value
+  fail:
+    msg: "azure_loadbalancer_sku has an invalid value '{{ azure_loadbalancer_sku }}'. Supported values are 'basic', 'standard'"
+  when: azure_loadbalancer_sku not in ["basic", "standard"]
+
+- name: "check azure_exclude_master_from_standard_lb is a bool"
+  assert:
+    that: azure_exclude_master_from_standard_lb |type_debug == 'bool'
+
+- name: "check azure_disable_outbound_snat is a bool"
+  assert:
+    that: azure_disable_outbound_snat |type_debug == 'bool'
+
+- name: "check azure_use_instance_metadata is a bool"
+  assert:
+    that: azure_use_instance_metadata |type_debug == 'bool'