add archlinux support, fixed drain invoked on uninstall by adding --delete-local-data

README.md

@@ -14,6 +14,7 @@ The host you're running Ansible from requires the following Python dependencies:
 This role has been tested on Ansible 2.7.0+ against the following Linux Distributions:
 
   - Amazon Linux 2
+  - Archlinux
   - CentOS 8
   - CentOS 7
   - Debian 9

defaults/main.yml

@@ -1,6 +1,6 @@
 ---
 
-# k3s cluster state, options: installed, started, stopped, restarted
+# k3s cluster state, options: installed, started, stopped, restarted, uninstalled
 # (default: installed)
 k3s_cluster_state: installed
 

tasks/build/install-docker-archlinux.yml

@@ -0,0 +1,15 @@
+---
+
+- name: Ensure docker is installed using Pacman
+  pacman:
+    name: docker
+    state: present
+  register: ensure_docker_prerequisites_installed
+  until: ensure_docker_prerequisites_installed is succeeded
+  retries: 3
+  delay: 10
+  notify:
+    - restart docker
+  become: "{{ k3s_become_for_package_install | ternary(true, false, k3s_become_for_all) }}"
+
+- meta: flush_handlers

tasks/build/install-docker-prerequisites-archlinux.yml

@@ -0,0 +1 @@
+---

tasks/state-installed.yml

@@ -23,12 +23,12 @@
 
 - import_tasks: build/install-docker.yml
   when: k3s_use_docker
-        and ansible_distribution | replace(" ", "-") | lower not in ['amazon', 'suse', 'opensuse-leap']
+        and ansible_distribution | replace(" ", "-") | lower not in ['amazon', 'suse', 'opensuse-leap', 'archlinux']
         and (k3s_non_root is not defined or not k3s_non_root)
 
 - include_tasks: build/install-docker-{{ ansible_distribution | replace(" ", "-") | lower }}.yml
   when: k3s_use_docker
-        and ansible_distribution | replace(" ", "-") | lower in ['amazon', 'suse', 'opensuse-leap']
+        and ansible_distribution | replace(" ", "-") | lower in ['amazon', 'suse', 'opensuse-leap', 'archlinux']
         and (k3s_non_root is not defined or not k3s_non_root)
 
 - import_tasks: build/download-k3s.yml

tasks/state-uninstalled.yml

@@ -8,12 +8,12 @@
 
 - import_tasks: teardown/uninstall-docker.yml
   when: k3s_use_docker
-        and ansible_distribution | replace(" ", "-") | lower not in ['amazon', 'suse', 'opensuse-leap']
+        and ansible_distribution | replace(" ", "-") | lower not in ['amazon', 'suse', 'opensuse-leap', 'archlinux']
         and (k3s_non_root is not defined or not k3s_non_root)
 
 - include_tasks: teardown/uninstall-docker-{{ ansible_distribution | replace(" ", "-") | lower }}.yml
   when: k3s_use_docker
-        and ansible_distribution | replace(" ", "-") | lower in ['amazon', 'suse', 'opensuse-leap']
+        and ansible_distribution | replace(" ", "-") | lower in ['amazon', 'suse', 'opensuse-leap', 'archlinux']
         and (k3s_non_root is not defined or not k3s_non_root)
 
 - include_tasks: teardown/uninstall-docker-prerequisites-{{ ansible_os_family | lower }}.yml

tasks/teardown/drain-and-remove-nodes.yml

@@ -19,7 +19,7 @@
       become: "{{ k3s_become_for_kubectl | ternary(true, false, k3s_become_for_all) }}"
 
     - name: Ensure uninstalled nodes are drained
-      command: "{{ k3s_install_dir }}/kubectl drain {{ item }} --ignore-daemonsets"
+      command: "{{ k3s_install_dir }}/kubectl drain {{ item }} --ignore-daemonsets --delete-local-data"
       delegate_to: "{{ k3s_control_delegate }}"
       run_once: true
       when: item in kubectl_get_nodes_result.stdout

tasks/teardown/uninstall-docker-archlinux.yml

@@ -0,0 +1,11 @@
+---
+
+- name: Ensure docker is uninstalled using Pacman
+  pacman:
+    name: docker
+    state: absent
+  register: ensure_docker_uninstalled
+  until: ensure_docker_uninstalled is succeeded
+  retries: 3
+  delay: 10
+  become: "{{ k3s_become_for_uninstall | ternary(true, false, k3s_become_for_all) }}"