feat(pretix): add ansible role and playbook

roles/pretix/tasks/check.yml

@@ -0,0 +1,14 @@
+---
+- name: Ensure 'pretix_state' is valid
+  ansible.builtin.fail:
+    msg: >-2
+      Unsupported pretix_state '{{ pretix_state }}'.
+      Supported states are {{ pretix_states | join(', ') }}
+  when: pretix_state not in pretix_states
+
+- name: Ensure 'pretix_deployment_method' is valid
+  ansible.builtin.fail:
+    msg: >-2
+      Unsupported pretix_state '{{ pretix_deployment_method }}'.
+      Supported states are {{ pretix_deployment_methods | join(', ') }}
+  when: pretix_deployment_method not in pretix_deployment_methods

roles/pretix/tasks/configure.yml

@@ -0,0 +1,9 @@
+---
+- name: Ensure configuration file is written
+  ansible.builtin.copy:
+    dest: "{{ pretix_config_file }}"
+    content: "{{ pretix_config_file_content }}"
+    owner: "{{ pretix_config_file_owner }}"
+    group: "{{ pretix_config_file_group }}"
+    mode: "{{ pretix_config_file_mode }}"
+  when: pretix_state == 'present'

roles/pretix/tasks/deploy-systemd.yml

@@ -0,0 +1,32 @@
+---
+- name: Ensure virtualenv in {{ pretix_virtualenv_dir }} is present
+  ansible.builtin.pip:
+    name: "{{ pretix_virtualenv_packages }}"
+    state: "{{ pretix_virtualenv_state }}"
+    chdir: "{{ pretix_install_dir }}"
+    virtualenv: "{{ pretix_virtualenv_dir }}"
+    virtualenv_command: "{{ pretix_virtualenv_command | default(omit, true) }}"
+    virtualenv_site_packages: "{{ pretix_virtualenv_site_packages }}"
+  become: true
+  become_user: "{{ pretix_user }}"
+
+# TODO: determine to only do this on a) upgrades or b) initial deployis
+- name: Ensure pretix static assets are built
+  ansible.builtin.command:
+    cmd: "{{ pretix_virtualenv_dir }}/bin/python -m pretix rebuild"
+    chdir: "{{ pretix_install_dir }}"
+  environment:
+    VIRTUAL_ENV: "{{ pretix_virtualenv_dir }}"
+  become: true
+  become_user: "{{ pretix_user }}"
+
+- name: Ensure pretix systemd service is enabled
+  ansible.builtin.systemd_service:
+    name: "{{ pretix_systemd_service_name }}"
+    enabled: true
+  when: pretix_state == 'present'
+
+- name: Ensure pretix systemd service is {{ pretix_state }}
+  ansible.builtin.systemd_service:
+    name: "{{ pretix_systemd_service_name }}"
+    state: "{{ (pretix_state == 'present') | ternary('started', 'stopped') }}"

roles/pretix/tasks/deploy.yml

@@ -0,0 +1,5 @@
+---
+- name: Ensure pretix is deployed using {{ pretix_deployment_method }}
+  ansible.builtin.include_tasks:
+    file: "deploy-{{ pretix_deployment_method }}.yml"
+  when: pretix_state == 'present'

roles/pretix/tasks/main.yml

@@ -0,0 +1,16 @@
+---
+- name: Ensure preconditions are met
+  ansible.builtin.include_tasks:
+    file: "check.yml"
+
+- name: Ensure deployment preparations are done
+  ansible.builtin.include_tasks:
+    file: "prepare.yml"
+
+- name: Ensure pretix is configured
+  ansible.builtin.include_tasks:
+    file: "configure.yml"
+
+- name: Ensure pretix is deployed
+  ansible.builtin.include_tasks:
+    file: "deploy.yml"

roles/pretix/tasks/prepare-systemd.yml

@@ -0,0 +1,30 @@
+---
+- name: Ensure ansible facts are collected
+  ansible.builtin.setup:
+    gather_subset:
+      - "!all"
+      - "pkg_mgr"
+      - "distribution"
+      - "distribution_release"
+      - "distribution_version"
+      - "distribution_major_version"
+
+- name: Ensure system packages are present (apt)
+  ansible.builtin.apt:
+    name: "{{ package }}"
+    state: "{{ pretix_state }}"
+  loop: "{{ pretix_packages[ansible_distribution | lower][ansible_distribution_major_version] }}"
+  loop_control:
+    loop_var: "package"
+  when: ansible_facts['pkg_mgr'] == 'apt'
+
+- name: Ensure systemd unit is present
+  ansible.builtin.template:
+    src: "pretix.service.j2"
+    dest: "{{ pretix_systemd_unit_file_path }}"
+  register: pretix_systemd_unit_info
+
+- name: Ensure systemd is reloaded
+  ansible.builtin.systemd_service:
+    daemon_reload: true
+  when: pretix_systemd_unit_info.changed

roles/pretix/tasks/prepare.yml

@@ -0,0 +1,29 @@
+---
+- name: Ensure pretix user '{{ pretix_user }}' is {{ pretix_state }}
+  ansible.builtin.user:
+    name: "{{ pretix_user }}"
+    state: "{{ pretix_state }}"
+    system: "{{ pretix_user_system }}"
+    create_home: "{{ pretix_user_create_home }}"
+  register: pretix_user_info
+
+- name: Ensure host directories are {{ pretix_state }}
+  ansible.builtin.file:
+    path: "{{ item.path }}"
+    owner: "{{ item.owner | default(pretix_user_id) }}"
+    group: "{{ item.group | default(pretix_group_id) }}"
+    mode: "{{ item.mode | default('0750') }}"
+    state: "directory"
+  loop:
+    - path: "{{ pretix_config_dir }}"
+    - path: "{{ pretix_virtualenv_dir }}"
+    - path: "{{ pretix_data_dir }}"
+    - path: "{{ pretix_media_dir }}"
+  when: pretix_state == 'present'
+
+- name: Ensure deployment-type specific preparations for '{{ pretix_deployment_method }}' are run
+  ansible.builtin.include_tasks:
+    file: "prepare-{{ pretix_deployment_method }}.yml"
+  when:
+    - pretix_state == 'present'
+    - pretix_deployment_method in ['systemd']