First pass at creating defaults and tasks for Conduit

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