First pass at creating defaults and tasks for Conduit

roles/matrix-conduit/defaults/main.yml

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+---
+# Conduit is a simple, fast and reliable chat server powered by Matrix
+# See: https://conduit.rs
+
+matrix_conduit_enabled: true
+
+matrix_conduit_docker_image: "{{ matrix_conduit_docker_image_name_prefix}}matrixconduit/matrix-conduit:{{ matrix_conduit_docker_image_tag }}"
+matrix_conduit_docker_image_name_prefix: "docker.io/"
+matrix_conduit_docker_image_tag: "v0.4.0"
+matrix_conduit_docker_image_force_pull: "{{ matrix_conduit_docker_image.endswith(':latest') }}"
+
+matrix_conduit_base_path: "{{ matrix_base_data_path }}/conduit"
+matrix_conduit_config_dir_path: "{{ matrix_conduit_base_path }}/config"
+matrix_conduit_storage_path: "{{ matrix_conduit_base_path }}/storage"
+
+matrix_conduit_port_number: 6167
+
+# List of systemd services that matrix-conduit.service depends on
+matrix_conduit_systemd_required_services_list: ["docker.service"]
+
+# List of systemd services that matrix-conduit.service wants
+matrix_conduit_systemd_wanted_services_list: []
+
+# Extra arguments for the Docker container
+matrix_conduit_container_extra_arguments: []
+
+# Specifies which template files to use when configuring Conduit.
+# If you'd like to have your own different configuration, feel free to copy and paste
+# the original files into your inventory (e.g. in `inventory/host_vars/<host>/`)
+# and then change the specific host's `vars.yaml` file like this:
+# matrix_conduit_template_conduit_config: "{{ playbook_dir }}/inventory/host_vars/<host>/conduit.yaml.j2"
+matrix_conduit_template_conduit_config: "{{ role_path }}/templates/conduit/conduit.toml.j2"
+
+# Max size for uploads, in bytes
+matrix_conduit_max_request_size: "20_000_000"
+
+# Enables registration. If set to false, no users can register on this server.
+matrix_conduit_allow_registration: true
+
+matrix_conduit_allow_federation: true
+
+# Enable the display name lightning bolt on registration.
+matrix_conduit_enable_lightning_bolt: true
+
+matrix_conduit_trusted_servers:
+ - "matrix.org"
+
+# How many requests Conduit sends to other servers at the same time
+matrix_conduit_max_concurrent_requests: 100

roles/matrix-conduit/tasks/conduit/setup.yml

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+---
+
+- import_tasks: "{{ role_path }}/tasks/conduit/setup_install.yml"
+  when: matrix_conduit_enabled|bool
+
+- import_tasks: "{{ role_path }}/tasks/conduit/setup_uninstall.yml"
+  when: "not matrix_conduit_enabled|bool"

roles/matrix-conduit/tasks/conduit/setup_install.yml

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+---
+- name: Ensure Conduit Docker image is pulled
+  docker_image:
+    name: "{{ matrix_conduit_docker_image }}"
+    source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
+    force_source: "{{ matrix_conduit_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
+    force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_conduit_docker_image_force_pull }}"
+  register: result
+  retries: "{{ matrix_container_retries_count }}"
+  delay: "{{ matrix_container_retries_delay }}"
+  until: result is not failed
+
+- name: Ensure Conduit configuration installed
+  template:
+    src: "{{ role_path }}/templates/conduit/conduit.toml.j2"
+    dest: "{{ matrix_conduit_config_dir_path }}/conduit.toml"
+    mode: 0644
+    owner: "{{ matrix_user_username }}"
+    group: "{{ matrix_user_groupname }}"
+
+- name: Ensure matrix-conduit.service installed
+  template:
+    src: "{{ role_path }}/templates/conduit/systemd/matrix-conduit.service.j2"
+    dest: "{{ matrix_systemd_path }}/matrix-conduit.service"
+    mode: 0644
+  register: matrix_conduit_systemd_service_result
+
+- name: Ensure systemd reloaded after matrix-conduit.service installation
+  service:
+    daemon_reload: true
+  when: "matrix_conduit_systemd_service_result.changed|bool"

roles/matrix-conduit/tasks/conduit/setup_uninstall.yml

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+---
+
+- name: Check existence of matrix-conduit service
+  stat:
+    path: "{{ matrix_systemd_path }}/matrix-conduit.service"
+  register: matrix_conduit_service_stat
+
+- name: Ensure matrix-conduit is stopped
+  service:
+    name: matrix-conduit
+    state: stopped
+    daemon_reload: true
+  register: stopping_result
+  when: "matrix_conduit_service_stat.stat.exists"
+
+- name: Ensure matrix-conduit.service doesn't exist
+  file:
+    path: "{{ matrix_systemd_path }}/matrix-conduit.service"
+    state: absent
+  when: "matrix_conduit_service_stat.stat.exists"
+
+- name: Ensure systemd reloaded after matrix-conduit.service removal
+  service:
+    daemon_reload: true
+  when: "matrix_conduit_service_stat.stat.exists"
+
+- name: Ensure Conduit Docker image doesn't exist
+  docker_image:
+    name: "{{ matrix_conduit_docker_image }}"
+    state: absent

roles/matrix-conduit/tasks/init.yml

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+---
+
+- set_fact:
+    matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-conduit.service'] }}"
+  when: matrix_conduit_enabled|bool

roles/matrix-conduit/tasks/main.yml

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+---
+
+- import_tasks: "{{ role_path }}/tasks/init.yml"
+  tags:
+    - always
+
+- import_tasks: "{{ role_path }}/tasks/setup_conduit.yml"
+  when: run_setup|bool
+  tags:
+    - setup-all
+    - setup-conduit
+
+- name: Mark matrix-conduit role as executed
+  set_fact:
+    matrix_conduit_role_executed: true
+  tags:
+    - always

roles/matrix-conduit/tasks/setup_conduit.yml

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+---
+- name: Ensure Conduit paths exist
+  file:
+    path: "{{ item.path }}"
+    state: directory
+    mode: 0750
+    owner: "{{ matrix_user_username }}"
+    group: "{{ matrix_user_groupname }}"
+  with_items:
+    - {path: "{{ matrix_conduit_config_dir_path }}", when: true}
+    - {path: "{{ matrix_conduit_data_dir_path }}", when: true}
+  when: "matrix_conduit_enabled|bool and item.when"
+
+- import_tasks: "{{ role_path }}/tasks/conduit/setup.yml"