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matrix-docker-ansible-deploy/roles/matrix-nginx-proxy/templates/usr-local-bin/matrix-ssl-lets-encrypt-certificates-renew.j2
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

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1.1 KiB
Django/Jinja

#jinja2: lstrip_blocks: "True"
#!/bin/bash
# For renewal to work, matrix-nginx-proxy (or another webserver, if matrix-nginx-proxy is disabled)
# need to forward requests for `/.well-known/acme-challenge` to the certbot container.
#
# This can happen inside the container network by proxying to `http://matrix-certbot:8080`
# or outside (on the host) by proxying to `http://127.0.0.1:{{ matrix_ssl_lets_encrypt_certbot_standalone_http_port }}`.
docker run \
--rm \
--name=matrix-certbot \
--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
--cap-drop=ALL \
--network="{{ matrix_docker_network }}" \
-p 127.0.0.1:{{ matrix_ssl_lets_encrypt_certbot_standalone_http_port }}:8080 \
--mount type=bind,src={{ matrix_ssl_config_dir_path }},dst=/etc/letsencrypt \
--mount type=bind,src={{ matrix_ssl_log_dir_path }},dst=/var/log/letsencrypt \
{{ matrix_ssl_lets_encrypt_certbot_docker_image }} \
renew \
--non-interactive \
--work-dir=/tmp \
--http-01-port 8080 \
{% if matrix_ssl_lets_encrypt_staging %}
--staging \
{% endif %}
--standalone \
--preferred-challenges http \
--agree-tos \
--email={{ matrix_ssl_lets_encrypt_support_email }}