Deduplicate kubeadm_patches tasks

kubernetes/control-plane and kubernetes/kubeadm roles both push kubeadm
patches in the same way.
Extract that code and make it a dependency of both.
This is safe because it's only configuration for kubeadm, which only
takes effect when kubeadm is run.

roles/kubernetes/control-plane/meta/main.yml

@@ -1,5 +1,6 @@
 ---
 dependencies:
+ - role: kubernetes/kubeadm_common
  - role: kubernetes/tokens
  when: kube_token_auth
  tags:

roles/kubernetes/control-plane/tasks/kubeadm-setup.yml

@@ -176,21 +176,6 @@
  - apiserver_sans_ip_check.changed or apiserver_sans_host_check.changed
  - not kube_external_ca_mode
 
-- name: Kubeadm | Create directory to store kubeadm patches
- file:
- path: "{{ kubeadm_patches.dest_dir }}"
- state: directory
- mode: "0640"
- when: kubeadm_patches is defined and kubeadm_patches.enabled
-
-- name: Kubeadm | Copy kubeadm patches from inventory files
- copy:
- src: "{{ kubeadm_patches.source_dir }}/"
- dest: "{{ kubeadm_patches.dest_dir }}"
- owner: "root"
- mode: "0644"
- when: kubeadm_patches is defined and kubeadm_patches.enabled
-
 - name: Kubeadm | Initialize first control plane node
  command: >-
  timeout -k {{ kubeadm_init_timeout }} {{ kubeadm_init_timeout }}

roles/kubernetes/kubeadm/meta/main.yml

@@ -0,0 +1,3 @@
+---
+dependencies:
+ - role: kubernetes/kubeadm_common

roles/kubernetes/kubeadm/tasks/main.yml

@@ -83,21 +83,6 @@
  mode: "0640"
  when: ('kube_control_plane' not in group_names)
 
-- name: Kubeadm | Create directory to store kubeadm patches
- file:
- path: "{{ kubeadm_patches.dest_dir }}"
- state: directory
- mode: "0640"
- when: kubeadm_patches is defined and kubeadm_patches.enabled
-
-- name: Kubeadm | Copy kubeadm patches from inventory files
- copy:
- src: "{{ kubeadm_patches.source_dir }}/"
- dest: "{{ kubeadm_patches.dest_dir }}"
- owner: "root"
- mode: "0644"
- when: kubeadm_patches is defined and kubeadm_patches.enabled
-
 - name: Join to cluster if needed
  environment:
  PATH: "{{ bin_dir }}:{{ ansible_env.PATH }}:/sbin"

roles/kubernetes/kubeadm_common/tasks/main.yml

@@ -0,0 +1,15 @@
+---
+- name: Kubeadm | Create directory to store kubeadm patches
+ file:
+ path: "{{ kubeadm_patches.dest_dir }}"
+ state: directory
+ mode: "0640"
+ when: kubeadm_patches is defined and kubeadm_patches.enabled
+
+- name: Kubeadm | Copy kubeadm patches from inventory files
+ copy:
+ src: "{{ kubeadm_patches.source_dir }}/"
+ dest: "{{ kubeadm_patches.dest_dir }}"
+ owner: "root"
+ mode: "0644"
+ when: kubeadm_patches is defined and kubeadm_patches.enabled