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synapse workers: supply systemd with actual worker PIDs (requires jq)

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also, worker.yaml.j2:
  - hone worker_name
  - remove worker_pid_file entry (would only be used if worker_daemonize
    set to true; also, synapse only knows about the container namespace
    and thus can not provide the required host-view PID)
This commit is contained in:
Marcel Partap
2020-10-22 20:53:41 +02:00
parent d2e61af224
commit 501efee07e
5 changed files with 50 additions and 6 deletions
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12
roles/matrix-synapse/templates/synapse/systemd/matrix-synapse-worker@.service.j2
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@ -3,8 +3,8 @@
# alongside the homeserver main process.
# c.f. https://github.com/matrix-org/synapse/pull/4662
[Unit]
Description=Synapse Matrix Worker
AssertPathExists={{matrix_synapse_config_dir_path }}/worker.%i.yaml
Description=Matrix worker synapse.app.%i
AssertPathExists={{ matrix_synapse_config_dir_path }}/worker.%i.yaml
After=matrix-synapse.service
BindsTo=matrix-synapse.service
@ -23,9 +23,13 @@ ExecStart=/bin/sh -c "WORKER=%i; WORKER=$${WORKER%%:*}; \
matrix-synapse \
python -m synapse.app.$${WORKER} -c /data/homeserver.yaml -c /data/worker.%i.yaml"
# wait for worker startup & write out PID of actual worker process so systemd can handle it
ExecStartPost=/bin/sleep 5
ExecStartPost=/usr/local/bin/matrix-synapse-worker-write-pid %i /run/matrix-synapse-worker.%i.pid
ExecReload=/bin/kill -HUP $MAINPID
ExecStop=/usr/bin/docker exec matrix-synapse pkill -f %i
PIDFile=/matrix-run/{{ item.worker }}.port{{ item.port }}.pid
ExecStop=/bin/kill $MAINPID
PIDFile=/run/matrix-synapse-worker.%i.pid
KillMode=process
Restart=always
RestartSec=10