Add option for latest version

Former-commit-id: f9995ab

Author: MonolithProjects

README.md

@@ -35,14 +35,14 @@ Role Variables
 This is a copy from `defaults/main.yml`
 
 ```yaml
-# Runner user - user inder which is the local runner service running
+# Runner user - user under which is the local runner service running
 runner_user: runner
 
 # Directory where the local runner will be installed
 runner_dir: /opt/actions-runner
 
 # Version of the GitHub Actions Runner
-runner_version: "2.165.2"
+runner_version: "latest"
 
 # If found, replace already registered runner
 replace_runner: yes

defaults/main.yml

@@ -1,12 +1,12 @@
 ---
-# Runner user - user inder which is the local runner service running
+# Runner user - user under which is the local runner service running
 runner_user: runner
 
 # Directory where the local runner will be installed
 runner_dir: /opt/actions-runner
 
 # Version of the GitHub Actions Runner
-runner_version: "2.165.2"
+runner_version: "latest"
 
 # If found, replace already registered runner
 replace_runner: yes

tasks/install_runner.yml

@@ -10,16 +10,35 @@
   tags:
     - install
 
+- name: Find the lates runner version
+  uri:
+    url: "https://api.github.com/repos/actions/runner/releases/latest"
+    method: GET
+    force_basic_auth: yes
+    return_content: yes
+    status_code: 200
+    body_format: json
+  register: api_response
+  # run_once: yes
+  # delegate_to: localhost
+  when: runner_version == "latest"
+  tags:
+    - install
+
+- name: Set runner_version variable ("{{ api_response.json.tag_name | regex_replace('^v', '') }}")
+  set_fact:
+    runner_version: "{{ api_response.json.tag_name | regex_replace('^v', '') }}"
+  when: runner_version == "latest"
+
 - name: Download runner package version - "{{ runner_version }}"
   get_url:
     url: "https://github.com/actions/runner/releases/download/v{{ runner_version }}/actions-runner-linux-x64-{{ runner_version }}.tar.gz"
     dest: "./actions-runner-linux-{{ runner_version }}.tar.gz"
     force: no
   run_once: yes
   delegate_to: localhost
-  when: runner_version != "latest"
   tags:
-    - install
+    - install  
 
 - name: Unarchive package
   unarchive: