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Allow override for requesting specific worker types for Complement on command line. (#14324)

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* Expose getting SYNAPSE_WORKER_TYPES from external, allowing override of workers requested.

* Add WORKER_TYPES variable option to complement.sh script that passes requested workers into start_for_complement.sh entrypoint.

* Update docs to reflect this new ability.

* Changelog

* Don't rely on soft wrapping to format long strings

Good idea dklimpel. Thanks for catching that.

Co-authored-by: Dirk Klimpel <5740567+dklimpel@users.noreply.github.com>

* Small nits just noticed in docs.

* Fixup new line in docs.

Co-authored-by: Dirk Klimpel <5740567+dklimpel@users.noreply.github.com>
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realtyem 2022-11-08 06:34:09 -06:00 committed by GitHub
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4 changed files with 18 additions and 1 deletions
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1
changelog.d/14324.misc Normal file
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@ -0,0 +1 @@
Add override ability to `complement.sh` command line script to request certain types of workers.

9
docker/complement/conf/start_for_complement.sh
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@ -45,7 +45,12 @@ esac
if [[ -n "$SYNAPSE_COMPLEMENT_USE_WORKERS" ]]; then
# Specify the workers to test with
export SYNAPSE_WORKER_TYPES="\
# Allow overriding by explicitly setting SYNAPSE_WORKER_TYPES outside, while still
# utilizing WORKERS=1 for backwards compatibility.
# -n True if the length of string is non-zero.
# -z True if the length of string is zero.
if [[ -z "$SYNAPSE_WORKER_TYPES" ]]; then
export SYNAPSE_WORKER_TYPES="\
event_persister, \
event_persister, \
background_worker, \
@ -61,6 +66,8 @@ if [[ -n "$SYNAPSE_COMPLEMENT_USE_WORKERS" ]]; then
appservice, \
pusher"
fi
log "Workers requested: $SYNAPSE_WORKER_TYPES"
# Improve startup times by using a launcher based on fork()
export SYNAPSE_USE_EXPERIMENTAL_FORKING_LAUNCHER=1
else

6
docs/development/contributing_guide.md
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@ -324,6 +324,12 @@ The above will run a monolithic (single-process) Synapse with SQLite as the data
- Passing `POSTGRES=1` as an environment variable to use the Postgres database instead.
- Passing `WORKERS=1` as an environment variable to use a workerised setup instead. This option implies the use of Postgres.
- If setting `WORKERS=1`, optionally set `WORKER_TYPES=` to declare which worker
types you wish to test. A simple comma-delimited string containing the worker types
defined from the `WORKERS_CONFIG` template in
[here](https://github.com/matrix-org/synapse/blob/develop/docker/configure_workers_and_start.py#L54).
A safe example would be `WORKER_TYPES="federation_inbound, federation_sender, synchrotron"`.
See the [worker documentation](../workers.md) for additional information on workers.
To increase the log level for the tests, set `SYNAPSE_TEST_LOG_LEVEL`, e.g:
```sh

3
scripts-dev/complement.sh
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@ -139,6 +139,9 @@ if [[ -n "$WORKERS" ]]; then
# Use workers.
export PASS_SYNAPSE_COMPLEMENT_USE_WORKERS=true
# Pass through the workers defined. If none, it will be an empty string
export PASS_SYNAPSE_WORKER_TYPES="$WORKER_TYPES"
# Workers can only use Postgres as a database.
export PASS_SYNAPSE_COMPLEMENT_DATABASE=postgres