fix a few tasks falsely reporting "changed" (#6269)

Co-authored-by: Hans Feldt <hafe@users.noreply.github.com>

roles/kubernetes/kubeadm/tasks/main.yml

@@ -30,23 +30,26 @@
     - kubeadm_ca_stat.stat.exists
   delegate_to: "{{ groups['kube-master'][0] }}"
   run_once: true
+  changed_when: false
 
 - name: Create kubeadm token for joining nodes with 24h expiration (default)
   command: "{{ bin_dir }}/kubeadm token create"
   register: temp_token
   delegate_to: "{{ groups['kube-master'][0] }}"
   when: kubeadm_token is not defined
+  changed_when: false
 
 - name: Set kubeadm_token to generated token
   set_fact:
     kubeadm_token: "{{ temp_token.stdout }}"
   when: kubeadm_token is not defined
 
-- name: gets the kubeadm version
+- name: Get the kubeadm version
   command: "{{ bin_dir }}/kubeadm version -o short"
   register: kubeadm_output
+  changed_when: false
 
-- name: sets kubeadm api version to v1beta2
+- name: Set kubeadm api version to v1beta2
   set_fact:
     kubeadmConfig_api_version: v1beta2
 

roles/kubernetes/master/tasks/kubeadm-setup.yml

@@ -164,6 +164,7 @@
   shell: >-
     {{ bin_dir }}/kubeadm --kubeconfig /etc/kubernetes/admin.conf token delete {{ kubeadm_token }} || :;
     {{ bin_dir }}/kubeadm --kubeconfig /etc/kubernetes/admin.conf token create {{ kubeadm_token }}
+  changed_when: false
   when:
     - inventory_hostname == groups['kube-master']|first
     - kubeadm_token is defined
@@ -173,6 +174,7 @@
 
 - name: Create kubeadm token for joining nodes with 24h expiration (default)
   command: "{{ bin_dir }}/kubeadm --kubeconfig /etc/kubernetes/admin.conf token create"
+  changed_when: false
   register: temp_token
   retries: 5
   delay: 5

roles/kubernetes/master/tasks/kubeadm-version.yml

 ---
-- name: gets the kubeadm version
+- name: Get the kubeadm version
   command: "{{ bin_dir }}/kubeadm version -o short"
   register: kubeadm_output
+  changed_when: false
 
-- name: sets kubeadm api version to v1beta2
+- name: Set kubeadm api version to v1beta2
   set_fact:
     kubeadmConfig_api_version: v1beta2
 

roles/kubernetes/node/tasks/kubelet.yml

@@ -6,11 +6,12 @@
     state: directory
   when: dynamic_kubelet_configuration
 
-- name: gets the kubeadm version
+- name: Get the kubeadm version
   command: "{{ bin_dir }}/kubeadm version -o short"
   register: kubeadm_output
+  changed_when: false
 
-- name: sets kubelet api version to v1beta1
+- name: Set kubelet api version to v1beta1
   set_fact:
     kubeletConfig_api_version: v1beta1
   tags:

roles/kubernetes/preinstall/tasks/0040-set_facts.yml

@@ -18,6 +18,7 @@
     state: present
   check_mode: yes
   register: os_variant_coreos
+  changed_when: false
 
 - name: set is_fedora_coreos
   set_fact: