Fix bug on lb_kubemaster

tasks/install_server.yml

@@ -90,24 +90,6 @@
     - kubeadm_version_major.stdout | int == 1
     - kubeadm_version_minor.stdout | int >= 15
 
-# Because next command will fail
-- name: Make /root/.kube directory
-  file:
-    path: "/root/.kube"
-    owner: root
-    group: root
-    mode: 0700
-    state: directory
-
-- name: Copy certificat file on
-  copy:
-    src: /etc/kubernetes/admin.conf
-    dest: /root/.kube/config
-    remote_src: yes
-    owner: root
-    group: root
-    mode: 0600
-
 - name: Add {{ ansible_hostname }} to KubernetesMasterConfigured group
   group_by:
     key: KubernetesMasterConfigured
@@ -115,8 +97,13 @@
     - groups['KubernetesMasterConfigured'] is not defined
     - groups['KubernetesMasters'][0] == ansible_hostname
 
+- set_fact:
+    lb_kubemaster: "groups['KubernetesMasterConfigured'][0]"
+  when:
+    - groups['KubernetesMasters'] | length > 1
+
 - name: Test if server node already included
-  command: kubectl get nodes {{ ansible_hostname | lower }}
+  command: kubectl --kubeconfig=/etc/kubernetes/admin.conf get nodes {{ ansible_hostname | lower }}
   delegate_to: "{{ lb_kubemaster }}"
   register: server_enrolled
   changed_when: False
@@ -195,7 +182,22 @@
 #
 
 - name: Make /root/.kube directory
-  file: path="/root/.kube" owner=root group=root mode=0700 state=directory
+  file:
+    path: "/root/.kube"
+    owner: root
+    group: root
+    mode: 0700
+    state: directory
+  when:
+    - kubernetes_master == true
 
 - name: Copy certificat file on
-  copy: src=/etc/kubernetes/admin.conf dest=/root/.kube/config remote_src=yes owner=root group=root mode=0600
+  copy:
+    src: /etc/kubernetes/admin.conf
+    dest: /root/.kube/config
+    remote_src: yes
+    owner: root
+    group: root
+    mode: 0600
+  when:
+    - kubernetes_master == true