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Fix comment and mutation bug on merge_worker_template_configs

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This commit is contained in:
Olivier Wilkinson (reivilibre) 2023-12-06 15:14:58 +00:00
parent 259a808dc2
commit 3a46cf08e9
1 changed files with 22 additions and 31 deletions
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53
docker/configure_workers_and_start.py
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@ -420,43 +420,34 @@ def add_worker_to_instance_map(
def merge_worker_template_configs(
existing_template: WorkerTemplate,
to_be_merged_template: WorkerTemplate,
left: WorkerTemplate,
right: WorkerTemplate,
) -> WorkerTemplate:
"""When given an existing dict of worker template configuration consisting with both
dicts and lists, merge new template data from WORKERS_CONFIG(or create) and
return new dict.
"""Merges two templates together, returning a new template that includes
the listeners, endpoint patterns and configuration from both.
Args:
existing_template: Either an existing worker template or a fresh blank one.
to_be_merged_template: The template from WORKERS_CONFIGS to be merged into
existing_dict.
Returns: The newly merged together dict values.
Does not mutate the input templates.
"""
# copy existing_template without any replacements
new_template: WorkerTemplate = dataclasses.replace(existing_template)
# add listener resources from the other set
new_template.listener_resources |= to_be_merged_template.listener_resources
# add endpoint patterns from the other set
new_template.endpoint_patterns |= to_be_merged_template.endpoint_patterns
# merge dictionaries; the worker name will be replaced later
new_template.shared_extra_conf = lambda worker_name: merged(
existing_template.shared_extra_conf(worker_name),
to_be_merged_template.shared_extra_conf(worker_name),
return WorkerTemplate(
# include listener resources from both
listener_resources=left.listener_resources | right.listener_resources,
# include endpoint patterns from both
endpoint_patterns=left.endpoint_patterns | right.endpoint_patterns,
# merge shared config dictionaries; the worker name will be replaced later
shared_extra_conf=lambda worker_name: merged(
left.shared_extra_conf(worker_name),
right.shared_extra_conf(worker_name),
),
# There is only one worker type that has a 'worker_extra_conf' and it is
# the media_repo. Since duplicate worker types on the same worker don't
# work, this is fine.
worker_extra_conf=(left.worker_extra_conf + right.worker_extra_conf),
# (This is unused, but in principle sharding this hybrid worker type
# would be allowed if both constituent types are shardable)
sharding_allowed=left.sharding_allowed and right.sharding_allowed,
)
# There is only one worker type that has a 'worker_extra_conf' and it is
# the media_repo. Since duplicate worker types on the same worker don't
# work, this is fine.
new_template.worker_extra_conf = (
new_template.worker_extra_conf + to_be_merged_template.worker_extra_conf
)
return new_template
def insert_worker_name_for_worker_config(
existing_template: WorkerTemplate, worker_name: str