c0308307e2
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.
83 lines
4.3 KiB
Django/Jinja
83 lines
4.3 KiB
Django/Jinja
#jinja2: lstrip_blocks: "True"
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[Unit]
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Description=Synapse server
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{% for service in matrix_synapse_systemd_required_services_list %}
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Requires={{ service }}
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After={{ service }}
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{% endfor %}
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{% for service in matrix_synapse_systemd_wanted_services_list %}
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Wants={{ service }}
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{% endfor %}
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{% if matrix_synapse_workers_enabled %}
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{% for matrix_synapse_worker_details in matrix_synapse_workers_enabled_list %}
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Wants={{ matrix_synapse_worker_details.name }}.service
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{% endfor %}
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{% endif %}
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DefaultDependencies=no
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[Service]
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Type=simple
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Environment="HOME={{ devture_systemd_docker_base_systemd_unit_home_path }}"
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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 2>/dev/null || true'
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ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-synapse 2>/dev/null || true'
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ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} create \
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--rm \
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--name=matrix-synapse \
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--log-driver=none \
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--user={{ matrix_synapse_uid }}:{{ matrix_synapse_gid }} \
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--cap-drop=ALL \
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--read-only \
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--tmpfs=/tmp:rw,noexec,nosuid,size={{ matrix_synapse_tmp_directory_size_mb }}m \
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--network={{ matrix_synapse_container_network }} \
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{% if matrix_synapse_container_client_api_host_bind_port %}
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-p {{ matrix_synapse_container_client_api_host_bind_port }}:{{ matrix_synapse_container_client_api_port }} \
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{% endif %}
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{% if matrix_synapse_federation_enabled and matrix_synapse_tls_federation_listener_enabled and matrix_synapse_container_federation_api_tls_host_bind_port %}
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-p {{ matrix_synapse_container_federation_api_tls_host_bind_port }}:{{ matrix_synapse_container_federation_api_tls_port }} \
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{% endif %}
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{% if matrix_synapse_federation_enabled and matrix_synapse_federation_port_enabled and matrix_synapse_container_federation_api_plain_host_bind_port %}
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-p {{ matrix_synapse_container_federation_api_plain_host_bind_port }}:{{ matrix_synapse_container_federation_api_plain_port }} \
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{% endif %}
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{% if matrix_synapse_metrics_enabled and matrix_synapse_container_metrics_api_host_bind_port %}
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-p {{ matrix_synapse_container_metrics_api_host_bind_port }}:{{ matrix_synapse_metrics_port }} \
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{% endif %}
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{% if matrix_synapse_manhole_enabled and matrix_synapse_container_manhole_api_host_bind_port %}
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-p {{ matrix_synapse_container_manhole_api_host_bind_port }}:9000 \
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{% endif %}
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--mount type=bind,src={{ matrix_synapse_config_dir_path }},dst=/data,ro \
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--mount type=bind,src={{ matrix_synapse_storage_path }},dst=/matrix-media-store-parent,bind-propagation=slave \
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--label-file={{ matrix_synapse_base_path }}/labels \
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{% for volume in matrix_synapse_container_additional_volumes %}
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--mount type={{ volume.type | default('bind' if '/' in volume.src else 'volume') }},src={{ volume.src }},dst={{ volume.dst }}{{ (',' + volume.options) if volume.options else '' }} \
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{% endfor %}
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{% for arg in matrix_synapse_container_arguments %}
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{{ arg }} \
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{% endfor %}
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{{ matrix_synapse_docker_image_final }} \
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run -m synapse.app.homeserver -c /data/homeserver.yaml
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{% for network in matrix_synapse_container_additional_networks %}
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ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} network connect {{ network }} matrix-synapse
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{% endfor %}
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ExecStart={{ devture_systemd_docker_base_host_command_docker }} start --attach matrix-synapse
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# Intentional delay, so that the homeserver can manage to start and various services
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# that depend on it (After/Requires) may only start after the homeserver is up and running.
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ExecStartPost=-{{ matrix_host_command_sleep }} 5
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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 2>/dev/null || true'
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ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-synapse 2>/dev/null || true'
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ExecReload={{ devture_systemd_docker_base_host_command_docker }} exec matrix-synapse /bin/sh -c 'kill -HUP 1'
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Restart=always
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RestartSec=30
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SyslogIdentifier=matrix-synapse
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[Install]
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WantedBy=multi-user.target
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