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# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License.
"""
Examples to show usage of the azure-core-tracing-opentelemetry
with the event grid SDK and exporting to Azure monitor backend.
This example traces calls for sending event data using event grid SDK.
The telemetry will be collected automatically and sent to Application
Insights via the AzureMonitorTraceExporter
"""
# mypy: disable-error-code="attr-defined"
import os
# Declare OpenTelemetry as enabled tracing plugin for Azure SDKs
from azure.core.settings import settings
from azure.core.tracing.ext.opentelemetry_span import OpenTelemetrySpan
settings.tracing_implementation = OpenTelemetrySpan
# Regular open telemetry usage from here, see https://github.com/open-telemetry/opentelemetry-python
# for details
from opentelemetry import trace
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.trace.export import BatchSpanProcessor
trace.set_tracer_provider(TracerProvider())
tracer = trace.get_tracer(__name__)
# azure monitor trace exporter to send telemetry to appinsights
from azure.monitor.opentelemetry.exporter import AzureMonitorTraceExporter
span_processor = BatchSpanProcessor(
AzureMonitorTraceExporter.from_connection_string(os.environ["APPLICATIONINSIGHTS_CONNECTION_STRING"])
)
trace.get_tracer_provider().add_span_processor(span_processor)
# Example with EventGrid SDKs
from azure.core.credentials import AzureKeyCredential
from azure.eventgrid import EventGridPublisherClient, EventGridEvent
key = os.environ["EG_ACCESS_KEY"]
endpoint = os.environ["EG_TOPIC_HOSTNAME"]
event = EventGridEvent(data={"team": "azure-sdk"}, subject="Door1", event_type="Azure.Sdk.Demo", data_version="2.0")
credential = AzureKeyCredential(key)
client = EventGridPublisherClient(endpoint, credential)
with tracer.start_as_current_span(name="EventGridSpan"):
client.send(event)
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