mirror of
https://github.com/ceph/ceph-csi.git
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39 lines
1.3 KiB
Go
39 lines
1.3 KiB
Go
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/*
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Copyright 2021 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package filters
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import (
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"net/http"
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"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
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"go.opentelemetry.io/otel/trace"
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tracing "k8s.io/component-base/tracing"
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)
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// WithTracing adds tracing to requests if the incoming request is sampled
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func WithTracing(handler http.Handler, tp trace.TracerProvider) http.Handler {
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opts := []otelhttp.Option{
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otelhttp.WithPropagators(tracing.Propagators()),
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otelhttp.WithPublicEndpoint(),
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otelhttp.WithTracerProvider(tp),
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}
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// With Noop TracerProvider, the otelhttp still handles context propagation.
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// See https://github.com/open-telemetry/opentelemetry-go/tree/main/example/passthrough
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return otelhttp.NewHandler(handler, "KubernetesAPI", opts...)
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}
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