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# Copyright The OpenTelemetry Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
from time import time_ns
from typing import Optional
from opentelemetry import trace
from opentelemetry._events import Event
from opentelemetry._events import EventLogger as APIEventLogger
from opentelemetry._events import EventLoggerProvider as APIEventLoggerProvider
from opentelemetry._logs import NoOpLogger, SeverityNumber, get_logger_provider
from opentelemetry.sdk._logs import Logger, LoggerProvider, LogRecord
from opentelemetry.util.types import Attributes
_logger = logging.getLogger(__name__)
class EventLogger(APIEventLogger):
def __init__(
self,
logger_provider: LoggerProvider,
name: str,
version: Optional[str] = None,
schema_url: Optional[str] = None,
attributes: Optional[Attributes] = None,
):
super().__init__(
name=name,
version=version,
schema_url=schema_url,
attributes=attributes,
)
self._logger: Logger = logger_provider.get_logger(
name, version, schema_url, attributes
)
def emit(self, event: Event) -> None:
if isinstance(self._logger, NoOpLogger):
# Do nothing if SDK is disabled
return
span_context = trace.get_current_span().get_span_context()
log_record = LogRecord(
timestamp=event.timestamp or time_ns(),
observed_timestamp=None,
trace_id=event.trace_id or span_context.trace_id,
span_id=event.span_id or span_context.span_id,
trace_flags=event.trace_flags or span_context.trace_flags,
severity_text=None,
severity_number=event.severity_number or SeverityNumber.INFO,
body=event.body,
resource=getattr(self._logger, "resource", None),
attributes=event.attributes,
)
self._logger.emit(log_record)
class EventLoggerProvider(APIEventLoggerProvider):
def __init__(self, logger_provider: Optional[LoggerProvider] = None):
self._logger_provider = logger_provider or get_logger_provider()
def get_event_logger(
self,
name: str,
version: Optional[str] = None,
schema_url: Optional[str] = None,
attributes: Optional[Attributes] = None,
) -> EventLogger:
if not name:
_logger.warning("EventLogger created with invalid name: %s", name)
return EventLogger(
self._logger_provider, name, version, schema_url, attributes
)
def shutdown(self):
self._logger_provider.shutdown()
def force_flush(self, timeout_millis: int = 30000) -> bool:
self._logger_provider.force_flush(timeout_millis)
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