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feat: telemetry logging fixes

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this does a few things:

1. fixes `on_start` so that all span [START] and [END] is printed. not just [END]
2. change `log.py` to set the default `telemetry` category to WARN not INFO

This allows us to keep the metric logging and the verbosity of seeing the span [START] and [END] but by default hides it from normal users.

This conforms to our logging system since a user just need to switch the category to INFO to see the logs

Signed-off-by: Charlie Doern <cdoern@redhat.com>
This commit is contained in:
Charlie Doern 2025-08-13 13:09:53 -04:00
parent 61582f327c
commit 8e78478f9a
2 changed files with 11 additions and 6 deletions
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14
llama_stack/log.py
View file

@ -19,6 +19,7 @@ from llama_stack.core.datatypes import LoggingConfig
# Default log level
DEFAULT_LOG_LEVEL = logging.INFO
DEFAULT_TELEMETRY_LEVEL = logging.WARN
# Predefined categories
CATEGORIES = [
@ -35,8 +36,10 @@ CATEGORIES = [
"openai_responses",
]
# Initialize category levels with default level
_category_levels: dict[str, int] = dict.fromkeys(CATEGORIES, DEFAULT_LOG_LEVEL)
# Initialize category levels with default level, except for telemetry which gets WARN
_category_levels: dict[str, int] = {
category: DEFAULT_TELEMETRY_LEVEL if category == "telemetry" else DEFAULT_LOG_LEVEL for category in CATEGORIES
}
def config_to_category_levels(category: str, level: str):
@ -99,6 +102,7 @@ def parse_environment_config(env_config: str) -> dict[str, int]:
Returns:
Dict[str, int]: A dictionary mapping categories to their log levels.
"""
category_levels = {}
delimiter = ","
for pair in env_config.split(delimiter):
@ -193,6 +197,7 @@ def setup_logging(category_levels: dict[str, int], log_file: str | None) -> None
"filename": log_file,
"mode": "a",
"encoding": "utf-8",
"filters": ["category_filter"],
}
logging_config = {
@ -213,7 +218,9 @@ def setup_logging(category_levels: dict[str, int], log_file: str | None) -> None
"loggers": {
category: {
"handlers": list(handlers.keys()), # Apply all handlers
"level": category_levels.get(category, DEFAULT_LOG_LEVEL),
"level": category_levels.get(
category, (DEFAULT_LOG_LEVEL if category != "telemetry" else DEFAULT_TELEMETRY_LEVEL)
),
"propagate": False, # Disable propagation to root logger
}
for category in CATEGORIES
@ -237,6 +244,7 @@ def get_logger(
"""
Returns a logger with the specified name and category.
If no category is provided, defaults to 'uncategorized'.
Note: telemetry category defaults to WARN as the default level
Parameters:
name (str): The name of the logger (e.g., module or filename).

3
llama_stack/providers/inline/telemetry/meta_reference/console_span_processor.py
View file

@ -21,9 +21,6 @@ class ConsoleSpanProcessor(SpanProcessor):
self.print_attributes = print_attributes
def on_start(self, span: ReadableSpan, parent_context=None) -> None:
if span.attributes and span.attributes.get("__autotraced__"):
return
timestamp = datetime.fromtimestamp(span.start_time / 1e9, tz=UTC).strftime("%H:%M:%S.%f")[:-3]
logger.info(f"[dim]{timestamp}[/dim] [bold magenta][START][/bold magenta] [dim]{span.name}[/dim]")