mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-14 01:24:04 -08:00
0393b188c9
* Trace remote read Signed-off-by: vas <vasily.sliouniaev@jet.com> * Use jaeger Signed-off-by: vas <vasily.sliouniaev@jet.com>
57 lines
2.2 KiB
Go
57 lines
2.2 KiB
Go
// Copyright (c) 2017 Uber Technologies, Inc.
|
|
//
|
|
// 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 jaeger
|
|
|
|
import (
|
|
opentracing "github.com/opentracing/opentracing-go"
|
|
)
|
|
|
|
// ContribObserver can be registered with the Tracer to receive notifications
|
|
// about new Spans. Modelled after github.com/opentracing-contrib/go-observer.
|
|
type ContribObserver interface {
|
|
// Create and return a span observer. Called when a span starts.
|
|
// If the Observer is not interested in the given span, it must return (nil, false).
|
|
// E.g :
|
|
// func StartSpan(opName string, opts ...opentracing.StartSpanOption) {
|
|
// var sp opentracing.Span
|
|
// sso := opentracing.StartSpanOptions{}
|
|
// if spanObserver, ok := Observer.OnStartSpan(span, opName, sso); ok {
|
|
// // we have a valid SpanObserver
|
|
// }
|
|
// ...
|
|
// }
|
|
OnStartSpan(sp opentracing.Span, operationName string, options opentracing.StartSpanOptions) (ContribSpanObserver, bool)
|
|
}
|
|
|
|
// ContribSpanObserver is created by the Observer and receives notifications
|
|
// about other Span events. This interface is meant to match
|
|
// github.com/opentracing-contrib/go-observer, via duck typing, without
|
|
// directly importing the go-observer package.
|
|
type ContribSpanObserver interface {
|
|
OnSetOperationName(operationName string)
|
|
OnSetTag(key string, value interface{})
|
|
OnFinish(options opentracing.FinishOptions)
|
|
}
|
|
|
|
// wrapper observer for the old observers (see observer.go)
|
|
type oldObserver struct {
|
|
obs Observer
|
|
}
|
|
|
|
func (o *oldObserver) OnStartSpan(sp opentracing.Span, operationName string, options opentracing.StartSpanOptions) (ContribSpanObserver, bool) {
|
|
spanObserver := o.obs.OnStartSpan(operationName, options)
|
|
return spanObserver, spanObserver != nil
|
|
}
|