first commit

.gitignore

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+.galaxy_install_info

defaults/main.yml

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+ddclient_containerized: false
+ddclient_container_engine: "{{ container_engine | default('podman') }}"
+ddclient_network_mode: "host"
+ddclient_namespace: "{{ namespace | default('ddclient') }}"
+ddclient_container_name: "{{ ddclient_namespace }}-ddclient"
+ddclient_container_registry: "{{ container_registry | default(docker_registry) | default('registry.geekhome.org/ghp') }}"
+ddclient_image_name: "ddclient"
+ddclient_image_tag: "v3.9.1-ls45"
+ddclient_systemd_unit_name: "{{ ddclient_container_name }}-container.service"
+
+# Volumes for containers
+ddclient_default_volumes:
+  '/opt/{{ ddclient_namespace }}/ddclient.conf': /config/ddclient.conf
+  '/opt/{{ ddclient_namespace }}/Kvps.key': /config/Kvps.key
+  '/opt/{{ ddclient_namespace }}/Kvps.private': /config/Kvps.private
+
+# Put tsig key in files directory
+ddclient_tsig_public_key_file: []
+ddclient_tsig_private_key_file: []
+
+# OR define with base64 vars
+ddclient_tsig_public_key_base64: []
+ddclient_tsig_private_key_base64: []
+
+# Override default ddclient.conf template 
+ddclient_conf_override: []
+
+ddclient_hosts: {}
+  # - name: my-record.example.com
+  #   dns_ip: 1.2.3.4
+  #   domain: example.com
+

handlers/main.yml

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+---
+- name: Start ddclient
+  systemd:
+    name: ddclient
+    state: started
+    enabled: yes
+    daemon_reload: yes
+
+- name: Restart ddclient
+  systemd:
+    name: ddclient
+    state: restarted
+    enabled: yes
+    daemon_reload: yes
+
+- name: Restart docker ddclient
+  community.general.docker_container:
+    name: "{{ ddclient_container_name }}"
+    image: "{{ ddclient_container_registry }}/{{ ddclient_image_name }}:{{ ddclient_image_tag }}"
+    network_mode: "{{ ddclient_network_mode }}"
+    state: started
+    restart: yes
+    container_default_behavior: no_defaults
+    detach: true
+    restart_policy: unless-stopped
+    volumes: "{{ ddclient_volumes }}"
+  when: ddclient_container_engine == 'docker'
+
+- name: Restart podman ddclient
+  containers.podman.podman_container:
+    name: "{{ ddclient_container_name }}"
+    hostname: "{{ ddclient_container_name }}"
+    network: "{{ ddclient_network_mode }}"
+    image: "{{ ddclient_container_registry }}/{{ ddclient_image_name }}:{{ ddclient_image_tag }}"
+    state: started
+    restart: yes
+    volumes: "{{ ddclient_volumes }}"
+  when: ddclient_container_engine == 'podman'
+

tasks/configure.yml

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+---
+- block:
+  - name: Create public key for ddclient from file
+    copy:
+      src: "{{ ddclient_tsig_public_key }}"
+      dest: /etc/Kvps.key
+    when: ddclient_tsig_public_key_file | length > 0
+
+  - name: Create private key for ddclient from file
+    copy:
+      src: "{{ ddclient_tsig_private_key }}"
+      dest: /etc/Kvps.private
+    when: ddclient_tsig_private_key_file | length > 0
+
+  - name: Create public key for ddclient from var
+    copy:
+      content: "{{ ddclient_tsig_public_key_base64 | b64decode }}"
+      dest: /etc/Kvps.key
+    when: ddclient_tsig_public_key_base64 | length > 0
+
+  - name: Create private key for ddclient from var
+    copy:
+      content: "{{ ddclient_tsig_private_key_base64 | b64decode }}"
+      dest: /etc/Kvps.private
+    when: ddclient_tsig_private_key_base64 | length > 0
+
+  - name: Configure ddlient.conf with template
+    template:
+      src: "ddclient.conf.j2"
+      dest: "/etc/ddclient.conf"
+    when: ddclient_conf_override | length == 0
+    notify: Restart ddclient
+
+  - name: Configure ddlient.conf with overriding from var
+    copy:
+      content: "{{ ddclient_conf_override }}"
+      dest: "/etc/ddclient.conf"
+    when: ddclient_conf_override | length > 0
+    notify: Restart ddclient
+

tasks/docker.yml

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+---
+- name: Create configuration dir for {{ ddclient_namespace }}
+  file:
+    name: "/opt/{{ ddclient_namespace }}"
+    state: directory
+
+- name: Copy ddclient configuration for {{ ddclient_namespace }}
+  copy:
+    dest: "/opt/{{ ddclient_namespace }}/ddclient.conf"
+    content: "{{ ddclient_conf }}"
+  notify: Restart docker ddclient
+
+- name: Copy Kvps.key for {{ ddclient_namespace }}
+  copy:
+    dest: "/opt/{{ ddclient_namespace }}/Kvps.key"
+    content: "{{ ddclient_tsig_public_key_base64 | b64decode }}"
+  notify: Restart docker ddclient
+
+- name: Copy Kvps.private for {{ ddclient_namespace }}
+  copy:
+    dest: "/opt/{{ ddclient_namespace }}/Kvps.private"
+    content: "{{ ddclient_tsig_private_key_base64 | b64decode }}"
+  notify: Restart docker ddclient
+
+- name: Start ddclient in docker for {{ ddclient_namespace }}
+  docker_container:
+    name: "{{ ddclient_container_name }}"
+    image: "{{ ddclient_container_registry }}/{{ ddclient_image_name }}:{{ ddclient_image_tag }}"
+    network_mode: "{{ ddclient_network_mode }}"
+    state: started
+    container_default_behavior: no_defaults
+    restart_policy: unless-stopped
+    volumes: "{{ ddclient_volumes }}"

tasks/install.yml

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+---
+- block:
+  - name: Install ddclient and bind-utils
+    dnf: 
+      name:
+        - ddclient
+        - bind-utils
+      state: present
+    notify: Start ddclient
+    register: install_ddlient_result
+    tags:
+      - ddclient-install

tasks/main.yml

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+---
+- name: Install ddclient (not containerized)
+  when: not ddclient_containerized
+  block:
+    - import_tasks: install.yml
+    - import_tasks: configure.yml
+  become: true
+
+- name: Install ddclient (containerized)
+  when: ddclient_containerized
+  block: 
+    - name: Merge volumes
+      set_fact:
+        ddclient_volumes: "{{ ddclient_volumes | default([]) + [item.key +':'+ item.value] }}"
+      loop: "{{ ddclient_default_volumes | dict2items }}"
+
+    - import_tasks: docker.yml
+      when: ddclient_container_engine == "docker"
+
+    - import_tasks: podman.yml
+      when: ddclient_container_engine == "podman"
+  become: true

tasks/podman.yml

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+---
+- name: Create configuration dir for {{ ddclient_namespace }}
+  file:
+    name: "/opt/{{ ddclient_namespace }}"
+    state: directory
+
+- name: Copy ddclient configuration for {{ ddclient_namespace }}
+  copy:
+    dest: "/opt/{{ ddclient_namespace }}/ddclient.conf"
+    content: "{{ ddclient_conf }}"
+  notify: Restart podman ddclient
+
+- name: Copy Kvps.key for {{ ddclient_namespace }}
+  copy:
+    dest: "/opt/{{ ddclient_namespace }}/Kvps.key"
+    content: "{{ ddclient_tsig_public_key_base64 | b64decode }}"
+  notify: Restart podman ddclient
+
+- name: Copy Kvps.private for {{ ddclient_namespace }}
+  copy:
+    dest: "/opt/{{ ddclient_namespace }}/Kvps.private"
+    content: "{{ ddclient_tsig_private_key_base64 | b64decode }}"
+  notify: Restart podman ddclient
+
+- name: Start ddclient with podman for {{ ddclient_namespace }}
+  containers.podman.podman_container:
+    name: "{{ ddclient_container_name }}"
+    hostname: "{{ ddclient_container_name }}"
+    network: "{{ ddclient_network_mode }}"
+    image: "{{ ddclient_container_registry }}/{{ ddclient_image_name }}:{{ ddclient_image_tag }}"
+    state: present
+    volumes: "{{ ddclient_volumes }}"
+
+- name: Generate container systemd unit
+  shell: "podman generate systemd {{ ddclient_container_name }}"
+  register: ddclient_systemd_unit
+  changed_when: False
+
+- name: Create ddclient systemd unit
+  copy:
+    dest: "/etc/systemd/system/{{ ddclient_systemd_unit_name }}"
+    content: "{{ ddclient_systemd_unit.stdout | regex_replace('^#.*', multiline=True) | trim }}"
+
+- name: Enable ddclient systemd unit
+  ansible.builtin.systemd:
+    name: "{{ ddclient_systemd_unit_name }}"
+    enabled: yes
+    state: started
+    daemon_reload: yes

templates/ddclient.conf.j2

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+daemon=300
+syslog=yes
+mail-failure=root
+pid=/var/run/ddclient/ddclient.pid
+ssl=yes
+debug=yes
+verbose=yes
+
+{% for host in ddclient_hosts %}
+use=web
+web=checkip.dyndns.org
+protocol=nsupdate
+server={{ host.dns_ip }}
+login=/usr/bin/nsupdate
+password={{ '/config' if ddclient_containerized else '/etc'}}/Kvps.key
+zone={{ host.domain }}
+ttl=60
+{{ host.name }}
+
+{% endfor %}