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matrix-docker-ansible-deploy/roles/matrix-coturn/tasks/setup_install.yml
Slavi Pantaleev e1690722f7 Replace cronjobs with systemd timers
Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/756

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/737

I feel like timers are somewhat more complicated and dirty (compared to
cronjobs), but they come with these benefits:

- log output goes to journald
- on newer systemd distros, you can see when the timer fired, when it
will fire, etc.
- we don't need to rely on cron (reducing our dependencies to just
systemd + Docker)

Cronjobs work well, but it's one more dependency that needs to be
installed. We were even asking people to install it manually
(in `docs/prerequisites.md`), which could have gone unnoticed.

Once in a while someone says "my SSL certificates didn't renew"
and it's likely because they forgot to install a cron daemon.

Switching to systemd timers means that installation is simpler
and more unified.
2021-01-14 23:35:50 +02:00

105 lines
3.7 KiB
YAML

---
# This is a cleanup/migration task. It can be removed some time in the future.
- name: (Migration) Remove deprecated cronjob
file:
path: "{{ matrix_cron_path }}/matrix-coturn-ssl-reload"
state: absent
- name: Ensure Matrix Coturn path exists
file:
path: "{{ item.path }}"
state: directory
mode: 0750
owner: "{{ matrix_user_username }}"
group: "{{ matrix_user_groupname }}"
with_items:
- { path: "{{ matrix_coturn_docker_src_files_path }}", when: "{{ matrix_coturn_container_image_self_build }}"}
when: "item.when|bool"
- name: Ensure Coturn image is pulled
docker_image:
name: "{{ matrix_coturn_docker_image }}"
source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
force_source: "{{ matrix_coturn_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_coturn_docker_image_force_pull }}"
when: "not matrix_coturn_container_image_self_build|bool"
- block:
- name: Ensure Coturn repository is present on self-build
git:
repo: "{{ matrix_coturn_container_image_self_build_repo }}"
dest: "{{ matrix_coturn_docker_src_files_path }}"
version: "{{ matrix_coturn_docker_image.split(':')[1] }}"
force: "yes"
register: matrix_coturn_git_pull_results
- name: Ensure Coturn Docker image is built
docker_image:
name: "{{ matrix_coturn_docker_image }}"
source: build
force_source: "{{ matrix_coturn_git_pull_results.changed }}"
build:
dockerfile: Dockerfile
path: "{{ matrix_coturn_docker_src_files_path }}"
pull: yes
when: "matrix_coturn_container_image_self_build|bool"
- name: Ensure Coturn configuration path exists
file:
path: "{{ matrix_coturn_base_path }}"
state: directory
mode: 0750
owner: "{{ matrix_user_username }}"
group: "{{ matrix_user_groupname }}"
- name: Ensure turnserver.conf installed
template:
src: "{{ role_path }}/templates/turnserver.conf.j2"
dest: "{{ matrix_coturn_config_path }}"
mode: 0644
owner: "{{ matrix_user_username }}"
group: "{{ matrix_user_groupname }}"
- name: Ensure Coturn network is created in Docker
docker_network:
name: "{{ matrix_coturn_docker_network }}"
driver: bridge
- name: Ensure matrix-coturn.service installed
template:
src: "{{ role_path }}/templates/systemd/matrix-coturn.service.j2"
dest: "{{ matrix_systemd_path }}/matrix-coturn.service"
mode: 0644
register: matrix_coturn_systemd_service_change_results
# This may be unnecessary when more long-lived certificates are used.
# We optimize for the common use-case though (short-lived Let's Encrypt certificates).
# Reloading doesn't hurt anyway, so there's no need to make this more flexible.
- name: Ensure reloading systemd units installed, if necessary
template:
src: "{{ role_path }}/templates/systemd/{{ item }}.j2"
dest: "{{ matrix_systemd_path }}/{{ item }}"
mode: 0644
register: "matrix_coturn_systemd_service_change_results"
when: "matrix_coturn_tls_enabled|bool"
with_items:
- matrix-coturn-reload.service
- matrix-coturn-reload.timer
# A similar task exists in `setup_uninstall.yml`
- name: Ensure reloading systemd units uninstalled, if unnecessary
file:
path: "{{ item }}"
state: absent
register: "matrix_coturn_systemd_service_change_results"
when: "not matrix_coturn_tls_enabled|bool"
with_items:
- matrix-coturn-reload.service
- matrix-coturn-reload.timer
- name: Ensure systemd reloaded if systemd units changed
service:
daemon_reload: yes
when: "matrix_coturn_systemd_service_change_results.changed"