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Add support for running background tasks on a worker

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This commit is contained in:
Slavi Pantaleev
2022-09-15 10:32:51 +03:00
parent 5f3f460cda
commit a1fb082618
6 changed files with 42 additions and 1 deletions
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11
roles/matrix-synapse/defaults/main.yml
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@ -398,6 +398,7 @@ matrix_synapse_workers_presets:
media_repository_workers_count: 0
appservice_workers_count: 0
user_dir_workers_count: 0
background_workers_count: 0
stream_writer_events_stream_workers_count: 0
stream_writer_typing_stream_workers_count: 0
stream_writer_to_device_stream_workers_count: 0
@ -411,6 +412,7 @@ matrix_synapse_workers_presets:
media_repository_workers_count: 1
appservice_workers_count: 1
user_dir_workers_count: 1
background_workers_count: 1
stream_writer_events_stream_workers_count: 1
stream_writer_typing_stream_workers_count: 1
stream_writer_to_device_stream_workers_count: 1
@ -554,6 +556,15 @@ matrix_synapse_workers_user_dir_workers_metrics_range_start: 19661
# `update_user_directory_from_worker` is meant to point to a worker, which is dedicated to updating the user directory and servicing some user directory URL endpoints (`matrix_synapse_workers_user_dir_worker_client_server_endpoints`).
matrix_synapse_update_user_directory_from_worker: "{{ (matrix_synapse_workers_enabled_list | selectattr('type', 'equalto', 'user_dir') | list)[0].name if (matrix_synapse_workers_enabled and matrix_synapse_workers_enabled_list | selectattr('type', 'equalto', 'user_dir') | list | length > 0) else '' }}"
# matrix_synapse_workers_background_workers_count can only be 0 or 1. More instances are not supported.
# Our implementation uses a generic worker and assigns Synapse to perform background work on this worker using the `run_background_tasks_on` Synapse option.
matrix_synapse_workers_background_workers_count: "{{ matrix_synapse_workers_presets[matrix_synapse_workers_preset]['background_workers_count'] }}"
matrix_synapse_workers_background_workers_metrics_range_start: 19700
# matrix_synapse_run_background_tasks_on populates the `run_background_tasks_on` Synapse configuration used when Synapse workers are in use (`matrix_synapse_workers_enabled`).
# `run_background_tasks_on` is meant to point to a worker, which is dedicated to processing background tasks.
matrix_synapse_run_background_tasks_on: "{{ (matrix_synapse_workers_enabled_list | selectattr('type', 'equalto', 'background') | list)[0].name if (matrix_synapse_workers_enabled and matrix_synapse_workers_enabled_list | selectattr('type', 'equalto', 'background') | list | length > 0) else '' }}"
# Default list of workers to spawn.
#
# Unless you populate this manually, this list is dynamically generated