DEV-379: bugfix: k9s is not installed on kube control plane

roles/kubernetes/base/tasks/main.yml

@@ -10,7 +10,7 @@
   loop:
     - python3-pip=20.0.2-5ubuntu1.6
   when:
-  - inventory_hostname == groups['kube_control_plane']
+  - "'kube_control_plane' in group_names"
   tags:
     - base
 
@@ -20,7 +20,7 @@
   loop:
     - kubernetes
   when:
-  - inventory_hostname in groups['kube_control_plane']
+  - "'kube_control_plane' in group_names"
   tags:
     - base
 
@@ -32,7 +32,7 @@
   loop:
     - https://github.com/databus23/helm-diff
   when:
-  - inventory_hostname == groups['kube_control_plane']
+  - "'kube_control_plane' in group_names"
   tags:
     - base
 
@@ -41,7 +41,7 @@
     url: 'https://github.com/derailed/k9s/releases/download/{{ kubernetes_tools_k9s_version | default("v0.25.18") }}/k9s_Linux_x86_64.tar.gz'
     dest: '/tmp/k9s_Linux_x86_64_{{ kubernetes_tools_k9s_version | default("v0.25.18") }}.tar.gz'
   when:
-  - inventory_hostname == groups['kube_control_plane']
+  - "'kube_control_plane' in group_names"
   tags:
     - base
 
@@ -51,7 +51,7 @@
     dest: "/tmp/"
     remote_src: yes
   when:
-  - inventory_hostname == groups['kube_control_plane']
+  - "'kube_control_plane' in group_names"
   tags:
     - base
 
@@ -65,6 +65,6 @@
     remote_src: yes
   become: yes
   when:
-  - inventory_hostname == groups['kube_control_plane']
+  - "'kube_control_plane' in group_names"
   tags:
     - base