mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-12 10:04:29 +02:00
69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
// Copyright The 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 oteltest // import "go.opentelemetry.io/otel/oteltest"
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import (
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"sync"
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"go.opentelemetry.io/otel"
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)
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// TracerProvider is a testing TracerProvider. It is an functioning
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// implementation of an OpenTelemetry TracerProvider and can be configured
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// with a SpanRecorder that it configure all Tracers it creates to record
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// their Spans with.
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type TracerProvider struct {
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config config
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tracersMu sync.Mutex
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tracers map[instrumentation]*Tracer
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}
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var _ otel.TracerProvider = (*TracerProvider)(nil)
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// NewTracerProvider returns a *TracerProvider configured with options.
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func NewTracerProvider(options ...Option) *TracerProvider {
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return &TracerProvider{
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config: newConfig(options...),
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tracers: make(map[instrumentation]*Tracer),
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}
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}
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type instrumentation struct {
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Name, Version string
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}
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// Tracer returns an OpenTelemetry Tracer used for testing.
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func (p *TracerProvider) Tracer(instName string, opts ...otel.TracerOption) otel.Tracer {
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conf := otel.NewTracerConfig(opts...)
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inst := instrumentation{
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Name: instName,
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Version: conf.InstrumentationVersion,
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}
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p.tracersMu.Lock()
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defer p.tracersMu.Unlock()
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t, ok := p.tracers[inst]
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if !ok {
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t = &Tracer{
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Name: instName,
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Version: conf.InstrumentationVersion,
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config: &p.config,
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}
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p.tracers[inst] = t
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}
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return t
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}
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