Update deploy-env role to support root user

Change-Id: I4126155eec03677cf29edfb47e80f54ab501705d

roles/deploy-env/README.md

@@ -31,27 +31,29 @@ all:
     ansible_user: ubuntu
     ansible_ssh_private_key_file: /home/ubuntu/.ssh/id_rsa
     ansible_ssh_extra_args: -o StrictHostKeyChecking=no
+  hosts:
+    primary:
+      ansible_host: 10.10.10.10
+    node-1:
+      ansible_host: 10.10.10.11
+    node-2:
+      ansible_host: 10.10.10.12
+    node-3:
+      ansible_host: 10.10.10.13
   children:
     primary:
       hosts:
         primary:
-          ansible_host: 10.10.10.10
     k8s_cluster:
       hosts:
         node-1:
-          ansible_host: 10.10.10.11
         node-2:
-          ansible_host: 10.10.10.12
         node-3:
-          ansible_host: 10.10.10.13
     k8s_control_plane:
       hosts:
         node-1:
-          ansible_host: 10.10.10.11
     k8s_nodes:
       hosts:
         node-2:
-          ansible_host: 10.10.10.12
         node-3:
-          ansible_host: 10.10.10.13
 ```

roles/deploy-env/tasks/k8s_client.yaml

@@ -19,14 +19,24 @@
     pkg:
       - "kubectl={{ kube_version }}"
 
+- name: Set user home directory
+  set_fact:
+    user_home_directory: /home/{{ kubectl.user }}
+  when: kubectl.user != "root"
+
+- name: Set root home directory
+  set_fact:
+    user_home_directory: /root
+  when: kubectl.user == "root"
+
 - name: "Setup kubeconfig directory for {{ kubectl.user }} user"
   shell: |
-    mkdir -p /home/{{ kubectl.user }}/.kube
+    mkdir -p {{ user_home_directory }}/.kube
 
 - name: "Copy kube_config file for {{ kubectl.user }} user"
   synchronize:
     src: /tmp/kube_config
-    dest: /home/{{ kubectl.user }}/.kube/config
+    dest: "{{ user_home_directory }}/.kube/config"
 
 - name: "Set kubconfig file ownership for {{ kubectl.user }} user"
   shell: |