feat: Add support for installing latest version

This works by looking up the latest GitHub release, and using the git
tag of that release as the version.

defaults/main.yml

@@ -1,5 +1,5 @@
 ---
-adguardhome_version: '0.100.8'
+adguardhome_version: 'latest'
 adguardhome_user: root
 adguardhome_system_user: yes
 adguardhome_group: "{{ adguardhome_user }}"
@@ -11,7 +11,7 @@ adguardhome_data_dir: "/opt/{{ adguardhome_service_name }}"
 adguardhome_tmp_dir: /tmp
 
 adguardhome_bin_name: AdGuardHome
-adguardhome_config_name: config.yml
+adguardhome_config_name: AdGuardHome.yml
 
 adguardhome_bin_file: "{{ adguardhome_bin_dir }}/{{ adguardhome_bin_name }}"
 adguardhome_config_file: "{{ adguardhome_config_dir }}/{{ adguardhome_config_name }}"
@@ -19,4 +19,4 @@ adguardhome_unpack_dir: "{{ adguardhome_tmp_dir }}/AdGuardHome-{{ adguardhome_ve
 
 adguardhome_arch: "{% if ansible_architecture == 'x86_64' %}amd64{% elif ansible_architecture == 'aarch64' %}arm64{% else %}arm{% endif %}"
 adguardhome_archive: "AdGuardHome_linux_{{ adguardhome_arch }}.tar.gz"
-adguardhome_download_url: "https://github.com/AdguardTeam/AdGuardHome/releases/download/v{{ adguardhome_version }}/{{ adguardhome_archive }}"
+adguardhome_download_url_base: "https://github.com/AdguardTeam/AdGuardHome/releases/download"

molecule/default/Dockerfile.j2

@@ -8,16 +8,19 @@ FROM {{ item.image }}
 
 RUN if [ $(command -v apt-get) ]; then \
         apt-get update && \
-        apt-get install -y python sudo bash ca-certificates net-tools && \
+        apt-get install -y python python-pip sudo bash ca-certificates \
+                net-tools && \
         apt-get clean; \
     elif [ $(command -v dnf) ]; then \
         dnf makecache && \
         dnf --assumeyes install \
-            sudo python3 *python-devel python*-dnf bash net-tools && \
+            sudo python3 python3-pip *python-devel python*-dnf bash \
+            net-tools && \
         dnf clean all; \
     elif [ $(command -v yum) ]; then \
         yum makecache fast && \
-        yum install -y python3 sudo yum-plugin-ovl bash net-tools && \
+        yum install -y python3 python3-pip sudo yum-plugin-ovl bash \
+            net-tools && \
         sed -i 's/plugins=0/plugins=1/g' /etc/yum.conf && \
         yum clean all; \
     elif [ $(command -v zypper) ]; then \

tasks/install.yml

@@ -0,0 +1,33 @@
+---
+- name: Ensure bin directory exists
+  file:
+    dest: "{{ adguardhome_bin_dir }}"
+    recurse: yes
+    state: directory
+
+- name: Create temporary directory
+  file:
+    dest: "{{ adguardhome_unpack_dir }}"
+    recurse: yes
+    state: directory
+
+- name: "Download and extract archive (v{{ adguardhome_version }} / {{ adguardhome_arch }})"
+  unarchive:
+    src: "{{ adguardhome_download_url_base }}/v{{ adguardhome_version }}/{{ adguardhome_archive }}"
+    dest: "{{ adguardhome_unpack_dir }}"
+    remote_src: yes
+    extra_opts:
+      - "--strip-components=1"
+
+- name: "Copy binary to {{ adguardhome_bin_dir }}/"
+  copy:
+    src: "{{ adguardhome_unpack_dir }}/{{ adguardhome_bin_name }}"
+    dest: "{{ adguardhome_bin_file }}"
+    mode: "755"
+    remote_src: yes
+  notify: restart adguardhome
+
+- name: Remove temporary directory
+  file:
+    path: "{{ adguardhome_unpack_dir }}"
+    state: absent

tasks/latest_version.yml

@@ -0,0 +1,12 @@
+---
+- name: Lookup latest release
+  github_release:
+    action: latest_release
+    user: AdguardTeam
+    repo: Adguardhome
+  register: adguardhome_latest_release
+
+- name: Set desired version to version of latest release
+  set_fact:
+    adguardhome_version: "{{ adguardhome_latest_release.tag | regex_replace('^v', '') }}"
+  when: adguardhome_latest_release.tag is defined

tasks/main.yml

@@ -1,15 +1,15 @@
 ---
-- include_tasks: setup_debian.yml
+- name: Setup Debian
+  include_tasks: setup_debian.yml
   when: ansible_os_family == 'Debian'
 
-- include_tasks: setup_redhat.yml
+- name: Setup RedHat
+  include_tasks: setup_redhat.yml
   when: ansible_os_family == 'RedHat'
 
-- name: Ensure user exists
-  user:
-    name: "{{ adguardhome_user }}"
-    create_home: no
-    system: "{{ adguardhome_system_user }}"
+- name: Install python dependencies
+  pip:
+    name: github3.py
     state: present
 
 - name: Check if binary is installed
@@ -17,6 +17,10 @@
     path: "{{ adguardhome_bin_file }}"
   register: adguardhome_binary_check
 
+- name: Check latest released version
+  include_tasks: latest_version.yml
+  when: adguardhome_version == 'latest'
+
 - name: Check version of installed binary
   shell: >-
     set -o pipefail
@@ -33,39 +37,19 @@
   when: >-
     adguardhome_binary_check.stat.exists
 
-- name: Install binary
-  block:
-    - name: Ensure bin directory exists
-      file:
-        dest: "{{ adguardhome_bin_dir }}"
-        recurse: yes
-        state: directory
-    - name: Create temporary directory
-      file:
-        dest: "{{ adguardhome_unpack_dir }}"
-        recurse: yes
-        state: directory
-    - name: "Download and extract {{ adguardhome_arch }} archive"
-      unarchive:
-        src: "{{ adguardhome_download_url }}"
-        dest: "{{ adguardhome_unpack_dir }}"
-        remote_src: yes
-        extra_opts:
-          - "--strip-components=1"
-    - name: "Copy binary to {{ adguardhome_bin_dir }}/"
-      copy:
-        src: "{{ adguardhome_unpack_dir }}/{{ adguardhome_bin_name }}"
-        dest: "{{ adguardhome_bin_file }}"
-        mode: "755"
-        remote_src: yes
-    - name: Remove temporary directory
-      file:
-        path: "{{ adguardhome_unpack_dir }}"
-        state: absent
+- name: "Install binary (v{{ adguardhome_version }} / {{ adguardhome_arch }})"
+  include_tasks: install.yml
   when: >-
     adguardhome_version_check.changed
     or (not adguardhome_binary_check.stat.exists)
 
+- name: Ensure user exists
+  user:
+    name: "{{ adguardhome_user }}"
+    create_home: no
+    system: "{{ adguardhome_system_user }}"
+    state: present
+
 - name: Ensure data directory exists and has correct permissions
   file:
     path: "{{ adguardhome_data_dir }}"

tasks/setup_debian.yml

@@ -1,5 +1,6 @@
 ---
-- name: Install dependencies
+- name: Install system dependencies
   package:
-    name: libcap2-bin
+    name:
+      - libcap2-bin
     state: present

templates/adguardhome.service.j2

@@ -1,6 +1,6 @@
 [Unit]
 Description=AdGuard Home
-ConditionFileIsExecutable="{{ adguardhome_bin_file }}"
+ConditionFileIsExecutable={{ adguardhome_bin_file }}
 After=syslog.target
 After=network-online.target