Feat: migrate external OCI CCM config check from OCI cloud provider

Signed-off-by: tico88612 <17496418+tico88612@users.noreply.github.com>

roles/kubernetes-apps/external_cloud_controller/oci/tasks/main.yml

@@ -1,4 +1,8 @@
 ---
+- name: External OCI Cloud Controller Manager | Check OCI credentials
+  include_tasks: oci-credential-check.yml
+  tags: external-oci
+
 - name: External OCI Cloud Controller Manager | Get base64 cloud-config
   set_fact:
     external_oracle_cloud_config_secret: "{{ lookup('template', 'external-oci-cloud-config.j2') | b64encode }}"

roles/kubernetes-apps/external_cloud_controller/oci/tasks/oci-credential-check.yml

@@ -0,0 +1,65 @@
+---
+- name: "External OCI Cloud Controller Manager | Credentials Check | external_oracle_auth_key"
+  ansible.builtin.assert:
+    that:
+      - not external_oracle_auth_use_instance_principals
+      - external_oracle_auth_key is not defined or not external_oracle_auth_key
+    fail_msg: "external_oci_auth_key is missing"
+
+- name: "External OCI Cloud Controller Manager | Credentials Check | external_oracle_auth_region"
+  ansible.builtin.assert:
+    that:
+      - not external_oracle_auth_use_instance_principals
+      - external_oracle_auth_region is not defined or not external_oracle_auth_region
+    fail_msg: "external_oracle_auth_region is missing"
+
+- name: "External OCI Cloud Controller Manager | Credentials Check | external_oracle_auth_tenancy"
+  ansible.builtin.assert:
+    that:
+      - not external_oracle_auth_use_instance_principals
+      - external_oracle_auth_tenancy is not defined or not external_oracle_auth_tenancy
+    fail_msg: "external_oracle_auth_tenancy is missing"
+
+- name: "External OCI Cloud Controller Manager | Credentials Check | external_oracle_auth_user"
+  ansible.builtin.assert:
+    that:
+      - not external_oracle_auth_use_instance_principals
+      - external_oracle_auth_user is not defined or not external_oracle_auth_user
+    fail_msg: "external_oracle_auth_user is missing"
+
+- name: "External OCI Cloud Controller Manager | Credentials Check | external_oracle_auth_fingerprint"
+  ansible.builtin.assert:
+    that:
+      - not external_oracle_auth_use_instance_principals
+      - external_oracle_auth_fingerprint is not defined or not external_oracle_auth_fingerprint
+    fail_msg: "external_oracle_auth_fingerprint is missing"
+
+- name: "External OCI Cloud Controller Manager | Credentials Check | external_oracle_compartment"
+  ansible.builtin.assert:
+    that:
+      - external_oracle_compartment is not defined or not external_oracle_compartment
+    fail_msg: "external_oracle_compartment is missing. This is the compartment in which the cluster resides"
+
+- name: "External OCI Cloud Controller Manager | Credentials Check | external_oracle_vcn"
+  ansible.builtin.assert:
+    that:
+      - external_oracle_vcn is not defined or not external_oracle_vcn
+    fail_msg: "external_oracle_vcn is missing. This is the Virtual Cloud Network in which the cluster resides"
+
+- name: "External OCI Cloud Controller Manager | Credentials Check | external_oracle_load_balancer_subnet1"
+  ansible.builtin.assert:
+    that:
+      - external_oracle_load_balancer_subnet1 is not defined or not external_oracle_load_balancer_subnet1
+    fail_msg: "external_oracle_load_balancer_subnet1 is missingg. This is the first subnet to which loadbalancers will be added"
+
+- name: "External OCI Cloud Controller Manager | Credentials Check | external_oracle_load_balancer_subnet2"
+  ansible.builtin.assert:
+    that:
+      - external_oracle_load_balancer_subnet2 is not defined or not external_oracle_load_balancer_subnet2
+    fail_msg: "external_oracle_load_balancer_subnet2 is missing. Two subnets are required for load balancer high availability"
+
+- name: "External OCI Cloud Controller Manager | Credentials Check | external_oracle_load_balancer_security_list_management_mode"
+  ansible.builtin.assert:
+    that:
+      - external_oracle_load_balancer_security_list_management_mode is not defined or external_oracle_load_balancer_security_list_management_mode not in ["All", "Frontend", "None"]
+    fail_msg: "external_oracle_load_balancer_security_list_management_mode is missing, or not defined correctly. Valid options are (All, Frontend, None)."