/
common.go
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/
common.go
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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.
package otelbeego
import (
"net/http"
"go.opentelemetry.io/otel/label"
)
// ------------------------------------------ Constants
const (
ctxRouteTemplateKey = contextKey("x-opentelemetry-route-template")
renderTemplateSpanName = "beego.render.template"
renderStringSpanName = "beego.render.string"
renderBytesSpanName = "beego.render.bytes"
templateKey = label.Key("go.template")
)
// ------------------------------------------ Attribute Functions
// Template returns the template name as a KeyValue pair.
func Template(name string) label.KeyValue {
return templateKey.String(name)
}
// ------------------------------------------ OTel HTTP Types
// Filter returns true if the request should be traced.
type Filter func(*http.Request) bool
// SpanNameFormatter creates a custom span name from the operation and request object.
type SpanNameFormatter func(operation string, req *http.Request) string
// ------------------------------------------ Misc
// contextKey is a key for a value in a context.Context,
// used as it is not recommended to use basic types as keys.
type contextKey string