8000 Introduce LOG_LEVEL_OVERRIDES config var by simonrw · Pull Request #10808 · localstack/localstack · GitHub
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Introduce LOG_LEVEL_OVERRIDES config var #10808

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Merged
merged 7 commits into from
May 29, 2025
Merged

Introduce LOG_LEVEL_OVERRIDES config var #10808

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b95b158
Introduce LOGGING_OVERRIDE config var
simonrw May 13, 2024
6bb6abb
Do not use walrus operator for python version compatibility
simonrw May 13, 2024
d158ab9
Convert envar to key-value pairs
simonrw May 13, 2024
d9621ce
Address review comments
simonrw May 15, 2024
682315b
Add experimental prefix to documentation comment as per review
simonrw Mar 2, 2025
b7fdaa3
Use new utility, rename config variable
dfangl May 7, 2025
6ed2dd6
Remove try catch
dfangl May 7, 2025
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3 changes: 3 additions & 0 deletions localstack-core/localstack/config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -442,6 +442,9 @@ def in_docker():
# path to the lambda debug mode configuration file.
LAMBDA_DEBUG_MODE_CONFIG_PATH = os.environ.get("LAMBDA_DEBUG_MODE_CONFIG_PATH")

# EXPERIMENTAL: allow setting custom log levels for individual loggers
LOG_LEVEL_OVERRIDES = os.environ.get("LOG_LEVEL_OVERRIDES", "")

# whether to enable debugpy
DEVELOP = is_env_true("DEVELOP")

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12 changes: 12 additions & 0 deletions localstack-core/localstack/logging/setup.py
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Expand Up @@ -4,6 +4,7 @@

from localstack import config, constants

from ..utils.strings import key_value_pairs_to_dict
from .format import AddFormattedAttributes, DefaultFormatter

# The log levels for modules are evaluated incrementally for logging granularity,
Expand Down Expand Up @@ -81,6 +82,17 @@ def setup_logging_from_config():
for name, level in trace_internal_log_levels.items():
logging.getLogger(name).setLevel(level)

raw_logging_override = config.LOG_LEVEL_OVERRIDES
if raw_logging_override:
logging_overrides = key_value_pairs_to_dict(raw_logging_override)
for logger, level_name in logging_overrides.items():
level = getattr(logging, level_name, None)
if not level:
raise ValueError(
f"Failed to configure logging overrides ({raw_logging_override}): '{level_name}' is not a valid log level"
)
logging.getLogger(logger).setLevel(level)


def create_default_handler(log_level: int):
log_handler = logging.StreamHandler(stream=sys.stderr)
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