peridot/vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/common.go
Mustafa Gezen ad0f7a5305
Major upgrades
Upgrade to Go 1.20.5, Hydra v2 SDK, rules-go v0.44.2 (with proper resolves), protobuf v25.3 and mass upgrade of Go dependencies.
2024-03-17 08:06:08 +01:00

53 lines
2.3 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 (
serverRequestSize = "http.server.request.size" // Incoming request bytes total
serverResponseSize = "http.server.response.size" // Incoming response bytes total
serverDuration = "http.server.duration" // Incoming end to end duration, milliseconds
)
// Client HTTP metrics.
const (
clientRequestSize = "http.client.request.size" // Outgoing request bytes total
clientResponseSize = "http.client.response.size" // Outgoing response bytes total
clientDuration = "http.client.duration" // Outgoing 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()))
}