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# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License in the project root for
# license information.
# --------------------------------------------------------------------------
from os import environ
from warnings import warn
from opentelemetry.environment_variables import (
OTEL_LOGS_EXPORTER,
OTEL_METRICS_EXPORTER,
OTEL_TRACES_EXPORTER,
)
from opentelemetry.sdk._configuration import _OTelSDKConfigurator
from azure.monitor.opentelemetry.exporter import ( # pylint: disable=import-error,no-name-in-module
ApplicationInsightsSampler,
)
from azure.monitor.opentelemetry.exporter._utils import ( # pylint: disable=import-error,no-name-in-module
_is_attach_enabled,
)
from azure.monitor.opentelemetry._constants import (
_PREVIEW_ENTRY_POINT_WARNING,
LOG_EXPORTER_NAMES_ARG,
METRIC_EXPORTER_NAMES_ARG,
SAMPLER_ARG,
TRACE_EXPORTER_NAMES_ARG,
)
from azure.monitor.opentelemetry._diagnostics.diagnostic_logging import (
AzureDiagnosticLogging,
_ATTACH_FAILURE_CONFIGURATOR,
_ATTACH_SUCCESS_CONFIGURATOR,
)
from azure.monitor.opentelemetry._diagnostics.status_logger import (
AzureStatusLogger,
)
class AzureMonitorConfigurator(_OTelSDKConfigurator):
def _configure(self, **kwargs):
if not _is_attach_enabled():
warn(_PREVIEW_ENTRY_POINT_WARNING)
try:
if environ.get(OTEL_TRACES_EXPORTER, "").lower().strip() != "none":
kwargs.setdefault(TRACE_EXPORTER_NAMES_ARG, ["azure_monitor_opentelemetry_exporter"])
try:
sample_rate = float(environ.get("OTEL_TRACES_SAMPLER_ARG", 1.0))
except ValueError:
sample_rate = 1.0
kwargs.setdefault(SAMPLER_ARG, ApplicationInsightsSampler(sample_rate))
if environ.get(OTEL_METRICS_EXPORTER, "").lower().strip() != "none":
kwargs.setdefault(METRIC_EXPORTER_NAMES_ARG, ["azure_monitor_opentelemetry_exporter"])
if environ.get(OTEL_LOGS_EXPORTER, "").lower().strip() != "none":
kwargs.setdefault(LOG_EXPORTER_NAMES_ARG, ["azure_monitor_opentelemetry_exporter"])
# As of OTel SDK 1.25.0, exporters passed as kwargs will be added to those specified in env vars.
super()._configure(**kwargs)
AzureStatusLogger.log_status(True)
AzureDiagnosticLogging.info(
"Azure Monitor Configurator configured successfully.", _ATTACH_SUCCESS_CONFIGURATOR
)
except Exception as e:
AzureDiagnosticLogging.error( # pylint: disable=C
"Azure Monitor Configurator failed during configuration: %s" % str(e),
_ATTACH_FAILURE_CONFIGURATOR,
)
raise e
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