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Make Synapse worker systemd service files depend on matrix-synapse.service

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Many of these do depend on the Synapse master process (`matrix-synapse.service`),
so it makes sense to do it.

Furthermore, we're doing it so that one can stop the `matrix-synapse.service`
service and have systemd cascade this into stopping all the workers as well.

This is useful for easily stopping all of Synapse, so that Postgres
upgrades (`--tags=upgrade-postgres`) can happen cleanly.
Postgres upgrades currently stop `devture_postgres_systemd_services_to_stop_for_maintenance_list` which
includes Synapse, but stopping just the master process and leaving workers running is not safe enough and sometimes leads to errors like:

> ERROR:  insert or update on table "event_forward_extremities" violates foreign key constraint "event_forward_extremities_event_id"

With this dependency in place, stopping `matrix-synapse.service` will stop all Synapse processes.
This commit is contained in:
Slavi Pantaleev 2023-09-16 11:27:52 +03:00
parent a0f9b1b051
commit e033520ce2
1 changed files with 1 additions and 0 deletions
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roles/custom/matrix-synapse/templates/synapse/systemd/matrix-synapse-worker.service.j2
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@ -3,6 +3,7 @@
Description=Synapse worker ({{ matrix_synapse_worker_container_name }}) Description=Synapse worker ({{ matrix_synapse_worker_container_name }})
AssertPathExists={{ matrix_synapse_config_dir_path }}/{{ matrix_synapse_worker_config_file_name }} AssertPathExists={{ matrix_synapse_config_dir_path }}/{{ matrix_synapse_worker_config_file_name }}
After=matrix-synapse.service After=matrix-synapse.service
Requires=matrix-synapse.service
[Service] [Service]
Type=simple Type=simple