mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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a776e95c61
* Merge two event methods in span API There was an agreement to get rid of the Event interface and consolidate the two methods for adding events into one. See #57. * Eliminate the use of the Event interface There is no need for the SDK to provide the implementation of the Event interface - it is used nowhere. * Drop the Event interface It's dead code now. * Make it possible to override a finish timestamp through options Opentracing to opentelemetry bridge will certainly use this feature. * Obey the start time option * Add tests for events and custom start/end times
131 lines
3.1 KiB
Go
131 lines
3.1 KiB
Go
// Copyright 2019, OpenTelemetry Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package sdk
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import (
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"context"
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"time"
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"google.golang.org/grpc/codes"
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"go.opentelemetry.io/api/core"
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"go.opentelemetry.io/api/tag"
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apitrace "go.opentelemetry.io/api/trace"
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"go.opentelemetry.io/experimental/streaming/exporter/observer"
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)
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type span struct {
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tracer *tracer
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initial observer.ScopeID
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}
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// SpancContext returns span context of the span. Return SpanContext is usable
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// even after the span is finished.
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func (sp *span) SpanContext() core.SpanContext {
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return sp.initial.SpanContext
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}
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// IsRecordingEvents returns true is the span is active and recording events is enabled.
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func (sp *span) IsRecordingEvents() bool {
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return false
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}
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// SetStatus sets the status of the span.
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func (sp *span) SetStatus(status codes.Code) {
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observer.Record(observer.Event{
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Type: observer.SET_STATUS,
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Scope: sp.ScopeID(),
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Status: status,
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})
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}
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func (sp *span) ScopeID() observer.ScopeID {
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return sp.initial
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}
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func (sp *span) SetAttribute(attribute core.KeyValue) {
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observer.Record(observer.Event{
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Type: observer.MODIFY_ATTR,
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Scope: sp.ScopeID(),
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Attribute: attribute,
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})
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}
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func (sp *span) SetAttributes(attributes ...core.KeyValue) {
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observer.Record(observer.Event{
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Type: observer.MODIFY_ATTR,
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Scope: sp.ScopeID(),
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Attributes: attributes,
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})
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}
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func (sp *span) ModifyAttribute(mutator tag.Mutator) {
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observer.Record(observer.Event{
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Type: observer.MODIFY_ATTR,
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Scope: sp.ScopeID(),
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Mutator: mutator,
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})
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}
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func (sp *span) ModifyAttributes(mutators ...tag.Mutator) {
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observer.Record(observer.Event{
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Type: observer.MODIFY_ATTR,
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Scope: sp.ScopeID(),
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Mutators: mutators,
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})
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}
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func (sp *span) Finish(options ...apitrace.FinishOption) {
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recovered := recover()
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opts := apitrace.FinishOptions{}
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for _, opt := range options {
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opt(&opts)
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}
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observer.Record(observer.Event{
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Time: opts.FinishTime,
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Type: observer.FINISH_SPAN,
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Scope: sp.ScopeID(),
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Recovered: recovered,
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})
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if recovered != nil {
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panic(recovered)
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}
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}
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func (sp *span) Tracer() apitrace.Tracer {
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return sp.tracer
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}
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func (sp *span) AddEvent(ctx context.Context, msg string, attrs ...core.KeyValue) {
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sp.addEventWithTime(ctx, time.Time{}, msg, attrs...)
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}
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func (sp *span) addEventWithTime(ctx context.Context, timestamp time.Time, msg string, attrs ...core.KeyValue) {
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observer.Record(observer.Event{
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Time: timestamp,
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Type: observer.ADD_EVENT,
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String: msg,
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Attributes: attrs,
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Context: ctx,
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})
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}
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func (sp *span) SetName(name string) {
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observer.Record(observer.Event{
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Type: observer.SET_NAME,
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String: name,
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})
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}
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