feat(howler): add first base config (stolen from hedwig)

roles/howler/README.md

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+# Bonk @shekhina

roles/howler/defaults/main.yml

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+---
+howler_user: howler
+howler_base_path: /opt/howler
+howler_config_file: "{{ howler_base_path }}/config.toml"
+howler_version: "0.1.0"
+
+howler_container_name: "howler"
+howler_container_image_name: "registry.gitlab.com/famedly/services/howler"
+howler_container_image: "{{ howler_container_image_name }}:{{ howler_container_image_tag|default(['v', howler_version]|join()) }}"
+howler_container_env: {}
+howler_container_ports: []
+howler_container_labels: {}
+howler_container_restart_policy: "unless-stopped"
+howler_container_extra_volumes: []

roles/howler/tasks/main.yml

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+---
+
+- name: Create howler system user
+  user:
+    name: "{{ howler_user }}"
+    state: present
+    system: yes
+  register: howler_user_res
+
+- name: Ensure host directories are present
+  file:
+    path: "{{ howler_base_path }}"
+    state: directory
+    owner: "{{ howler_user_res.uid }}"
+    group: "{{ howler_user_res.group }}"
+
+- name: Template configuration file for howler
+  template:
+    src: config.toml.j2
+    dest: "{{ howler_config_file }}"
+    owner: "{{ howler_user_res.uid }}"
+    group: "{{ howler_user_res.group }}"
+    mode: 0770
+
+- name: Start howler container
+  docker_container:
+    name: "{{ howler_container_name }}"
+    image: "{{ howler_container_image }}"
+    env: "{{ howler_container_env }}"
+    user: "{{ howler_user_res.uid }}:{{ howler_user_res.group }}"
+    ports: "{{ howler_container_ports }}"
+    labels: "{{ howler_container_labels }}"
+    volumes: "{{ howler_container_volumes }}"
+    restart_policy: "{{ howler_container_restart_policy }}"
+    pull: true

roles/howler/templates/config.toml.j2

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+bots:
+  - user_id: "@howler:homeserver1.xyz"
+    homeserver: "https://homeserver1.xyz"
+    password: "correcthorsebatterystaple"
+    device_id: "bot"
+    message_timeout: 10
+    ratelimit: 1
+default_templates:
+  plain: ./templates/default.plain
+  html: ./templates/default.html
+receiver:
+  host: "howler.xyz:8080"
+store_path: ~/.store/

roles/howler/vars/main.yml

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+---
+
+hedwig_container_base_volumes:
+  - "{{ hedwig_config_file }}:/opt/hedwig/config.toml:ro"
+
+hedwig_container_volumes: "{{ hedwig_container_base_volumes + hedwig_container_extra_volumes }}"