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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.
from typing import Optional
from os import environ
from opentelemetry.sdk.resources import Resource, ResourceDetector
from opentelemetry.semconv.resource import (
CloudPlatformValues,
CloudProviderValues,
ResourceAttributes,
)
from opentelemetry.resource.detector.azure._utils import _get_azure_resource_uri
from ._constants import (
_APP_SERVICE_ATTRIBUTE_ENV_VARS,
_WEBSITE_SITE_NAME,
)
from opentelemetry.resource.detector.azure._utils import _is_on_functions
class AzureAppServiceResourceDetector(ResourceDetector):
def detect(self) -> Resource:
attributes = {}
website_site_name = environ.get(_WEBSITE_SITE_NAME)
if website_site_name:
# Functions resource detector takes priority with `service.name` and `cloud.platform`
if not _is_on_functions():
attributes[ResourceAttributes.SERVICE_NAME] = website_site_name
attributes[ResourceAttributes.CLOUD_PLATFORM] = (
CloudPlatformValues.AZURE_APP_SERVICE.value
)
attributes[ResourceAttributes.CLOUD_PROVIDER] = (
CloudProviderValues.AZURE.value
)
azure_resource_uri = _get_azure_resource_uri()
if azure_resource_uri:
attributes[ResourceAttributes.CLOUD_RESOURCE_ID] = (
azure_resource_uri
)
for key, env_var in _APP_SERVICE_ATTRIBUTE_ENV_VARS.items():
value = environ.get(env_var)
if value:
attributes[key] = value
return Resource(attributes)
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