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feat: add support for logging config in the run.yaml (#1408)

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# What does this PR do?

a user should be able to store a static logging configuration outside of
their environment. This would make sense to store in the run yaml given
that we store other things like server configuration in there.

The environment variable settings override the config settings if both
are available.

The format in the config looks like this:

```
logging_config:
  category_levels:
    VALID_CATEGORY: VALID_STRING_LOG_LEVEL
```

any specified category out of the following:

`core | server | router | inference | agents | safety | eval | tools |
client`

combined with any of the following log levels:

`debug | info | warning | error | critical`

can be placed in the category_levels list in order to achieve the
desired log level

## Test Plan

Test locally with a run config like the following:

```
version: '2'
image_name: ollama
logging_config:
  category_levels:
      server: debug
apis:
...
```

Signed-off-by: Charlie Doern <cdoern@redhat.com>
This commit is contained in:
Charlie Doern 2025-03-14 15:36:25 -04:00 • committed by GitHub
parent e3e7013ac8
commit 78d4872c0c
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3 changed files with 93 additions and 35 deletions
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36
llama_stack/distribution/server/server.py
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@ -25,7 +25,7 @@ from fastapi.responses import JSONResponse, StreamingResponse
from pydantic import BaseModel, ValidationError
from typing_extensions import Annotated
from llama_stack.distribution.datatypes import StackRunConfig
from llama_stack.distribution.datatypes import LoggingConfig, StackRunConfig
from llama_stack.distribution.distribution import builtin_automatically_routed_apis
from llama_stack.distribution.request_headers import (
PROVIDER_DATA_VAR,
@ -306,34 +306,42 @@ def main():
args = parser.parse_args()
if args.env:
for env_pair in args.env:
try:
key, value = validate_env_pair(env_pair)
logger.info(f"Setting CLI environment variable {key} => {value}")
os.environ[key] = value
except ValueError as e:
logger.error(f"Error: {str(e)}")
sys.exit(1)
log_line = ""
if args.yaml_config:
# if the user provided a config file, use it, even if template was specified
config_file = Path(args.yaml_config)
if not config_file.exists():
raise ValueError(f"Config file {config_file} does not exist")
logger.info(f"Using config file: {config_file}")
log_line = f"Using config file: {config_file}"
elif args.template:
config_file = Path(REPO_ROOT) / "llama_stack" / "templates" / args.template / "run.yaml"
if not config_file.exists():
raise ValueError(f"Template {args.template} does not exist")
logger.info(f"Using template {args.template} config file: {config_file}")
log_line = f"Using template {args.template} config file: {config_file}"
else:
raise ValueError("Either --yaml-config or --template must be provided")
logger_config = None
with open(config_file, "r") as fp:
config = replace_env_vars(yaml.safe_load(fp))
config_contents = yaml.safe_load(fp)
if isinstance(config_contents, dict) and (cfg := config_contents.get("logging_config")):
logger_config = LoggingConfig(**cfg)
logger = get_logger(name=__name__, category="server", config=logger_config)
if args.env:
for env_pair in args.env:
try:
key, value = validate_env_pair(env_pair)
logger.info(f"Setting CLI environment variable {key} => {value}")
os.environ[key] = value
except ValueError as e:
logger.error(f"Error: {str(e)}")
sys.exit(1)
config = replace_env_vars(config_contents)
config = StackRunConfig(**config)
# now that the logger is initialized, print the line about which type of config we are using.
logger.info(log_line)
logger.info("Run configuration:")
safe_config = redact_sensitive_fields(config.model_dump())
logger.info(yaml.dump(safe_config, indent=2))