matrix-docker-ansible-deploy/roles/custom/matrix-synapse/templates/synapse/systemd/matrix-synapse-worker.service.j2
Slavi Pantaleev c0308307e2 Make homeserver services sleep after startup, instead of all dependencies sleeping separately
This is an attempt at optimizing service startup.

The effect is most pronounced when many services are restarted one by one.
The systemd service manager role sometimes does this - for example when `just install-service synapse` runs.
In such cases, a 5-second delay for each Synapse worker service
(or other bridge/bot service that waits on the homeserver) quickly adds up to a lot.

When services are all stopped fully and then started, the effect is not so pronounced, because
`matrix-synapse.service` starts first and pulls all worker services (defined as `Wants=` for it).
Later on, when the systemd service manager role "starts" these worker services, they're started already.
Even if they had a 5-second wait each, it would have happened in parallel.
2024-01-12 12:45:18 +02:00

69 lines
4.2 KiB
Django/Jinja

#jinja2: lstrip_blocks: "True"
[Unit]
Description=Synapse worker ({{ matrix_synapse_worker_container_name }})
AssertPathExists={{ matrix_synapse_config_dir_path }}/{{ matrix_synapse_worker_config_file_name }}
After=matrix-synapse.service
Requires=matrix-synapse.service
[Service]
Type=simple
Environment="HOME={{ devture_systemd_docker_base_systemd_unit_home_path }}"
ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} stop --time={{ devture_systemd_docker_base_container_stop_grace_time_seconds }} {{ matrix_synapse_worker_container_name }} 2>/dev/null || true'
ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm {{ matrix_synapse_worker_container_name }} 2>/dev/null || true'
ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} create \
--rm \
--name={{ matrix_synapse_worker_container_name }} \
--log-driver=none \
--user={{ matrix_synapse_uid }}:{{ matrix_synapse_gid }} \
--cap-drop=ALL \
--read-only \
--tmpfs=/tmp:rw,noexec,nosuid,size={{ matrix_synapse_tmp_directory_size_mb }}m \
--network={{ matrix_synapse_container_network }} \
{% if matrix_synapse_worker_details.port != 0 and matrix_synapse_worker_details.webserving %}
--health-cmd 'curl -fSs http://localhost:{{ matrix_synapse_worker_details.port }}/health || exit 1' \
{% else %}
--no-healthcheck \
{% endif %}
{% if matrix_synapse_workers_enabled and matrix_synapse_workers_container_host_bind_address %}
{% if matrix_synapse_worker_details.port != 0 %}
-p {{ '' if matrix_synapse_workers_container_host_bind_address == '*' else (matrix_synapse_workers_container_host_bind_address + ':') }}{{ matrix_synapse_worker_details.port }}:{{ matrix_synapse_worker_details.port }} \
{% endif %}
{% if matrix_synapse_worker_details.metrics_port != 0 %}
-p {{ '' if matrix_synapse_workers_container_host_bind_address == '*' else (matrix_synapse_workers_container_host_bind_address + ':') }}{{ matrix_synapse_worker_details.metrics_port }}:{{ matrix_synapse_worker_details.metrics_port }} \
{% endif %}
{% endif %}
--mount type=bind,src={{ matrix_synapse_config_dir_path }},dst=/data,ro \
--mount type=bind,src={{ matrix_synapse_storage_path }},dst=/matrix-media-store-parent,bind-propagation=slave \
{% for volume in matrix_synapse_container_additional_volumes %}
--mount type={{ volume.type | default('bind' if '/' in volume.src else 'volume') }},src={{ volume.src }},dst={{ volume.dst }}{{ (',' + volume.options) if volume.options else '' }} \
{% endfor %}
--label-file={{ matrix_synapse_base_path }}/{{ matrix_synapse_worker_labels_file_name }} \
{% for arg in matrix_synapse_container_arguments %}
{{ arg }} \
{% endfor %}
{{ matrix_synapse_docker_image_final }} \
run -m synapse.app.{{ matrix_synapse_worker_details.app }} -c /data/homeserver.yaml -c /data/{{ matrix_synapse_worker_config_file_name }}
{% for network in matrix_synapse_container_additional_networks %}
ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} network connect {{ network }} {{ matrix_synapse_worker_container_name }}
{% endfor %}
ExecStart={{ devture_systemd_docker_base_host_command_docker }} start --attach {{ matrix_synapse_worker_container_name }}
ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} stop --time={{ devture_systemd_docker_base_container_stop_grace_time_seconds }} {{ matrix_synapse_worker_container_name }} 2>/dev/null || true'
ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm {{ matrix_synapse_worker_container_name }} 2>/dev/null || true'
ExecReload={{ devture_systemd_docker_base_host_command_docker }} exec {{ matrix_synapse_worker_container_name }} /bin/sh -c 'kill -HUP 1'
Restart=always
RestartSec=30
SyslogIdentifier={{ matrix_synapse_worker_container_name }}
# Intentionally not making this WantedBy=matrix-synapse.service,
# as matrix.synapse.service already has `Wants=` lines.
# Also, WantedBy will trigger the creation of some `matrix-synapse.service.wants/` directory,
# which we'd have to clean, etc. Better not.
[Install]
WantedBy=multi-user.target