mirror of
https://github.com/distribution/distribution
synced 2024-11-06 19:35:52 +01:00
47 lines
2.1 KiB
Go
47 lines
2.1 KiB
Go
// 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.
|
|
|
|
package otelhttp // import "go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"go.opentelemetry.io/otel/attribute"
|
|
"go.opentelemetry.io/otel/trace"
|
|
)
|
|
|
|
// Attribute keys that can be added to a span.
|
|
const (
|
|
ReadBytesKey = attribute.Key("http.read_bytes") // if anything was read from the request body, the total number of bytes read
|
|
ReadErrorKey = attribute.Key("http.read_error") // If an error occurred while reading a request, the string of the error (io.EOF is not recorded)
|
|
WroteBytesKey = attribute.Key("http.wrote_bytes") // if anything was written to the response writer, the total number of bytes written
|
|
WriteErrorKey = attribute.Key("http.write_error") // if an error occurred while writing a reply, the string of the error (io.EOF is not recorded)
|
|
)
|
|
|
|
// Server HTTP metrics.
|
|
const (
|
|
RequestCount = "http.server.request_count" // Incoming request count total
|
|
RequestContentLength = "http.server.request_content_length" // Incoming request bytes total
|
|
ResponseContentLength = "http.server.response_content_length" // Incoming response bytes total
|
|
ServerLatency = "http.server.duration" // Incoming end to end duration, milliseconds
|
|
)
|
|
|
|
// Filter is a predicate used to determine whether a given http.request should
|
|
// be traced. A Filter must return true if the request should be traced.
|
|
type Filter func(*http.Request) bool
|
|
|
|
func newTracer(tp trace.TracerProvider) trace.Tracer {
|
|
return tp.Tracer(ScopeName, trace.WithInstrumentationVersion(Version()))
|
|
}
|