diff options
Diffstat (limited to 'vendor/github.com/uber/jaeger-client-go/tracer_options.go')
-rw-r--r-- | vendor/github.com/uber/jaeger-client-go/tracer_options.go | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/vendor/github.com/uber/jaeger-client-go/tracer_options.go b/vendor/github.com/uber/jaeger-client-go/tracer_options.go new file mode 100644 index 000000000..a90265f03 --- /dev/null +++ b/vendor/github.com/uber/jaeger-client-go/tracer_options.go @@ -0,0 +1,159 @@ +// 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 ( + "time" + + "github.com/opentracing/opentracing-go" + + "github.com/uber/jaeger-client-go/internal/baggage" + "github.com/uber/jaeger-client-go/internal/throttler" +) + +// TracerOption is a function that sets some option on the tracer +type TracerOption func(tracer *Tracer) + +// TracerOptions is a factory for all available TracerOption's +var TracerOptions tracerOptions + +type tracerOptions struct{} + +// Metrics creates a TracerOption that initializes Metrics on the tracer, +// which is used to emit statistics. +func (tracerOptions) Metrics(m *Metrics) TracerOption { + return func(tracer *Tracer) { + tracer.metrics = *m + } +} + +// Logger creates a TracerOption that gives the tracer a Logger. +func (tracerOptions) Logger(logger Logger) TracerOption { + return func(tracer *Tracer) { + tracer.logger = logger + } +} + +func (tracerOptions) CustomHeaderKeys(headerKeys *HeadersConfig) TracerOption { + return func(tracer *Tracer) { + if headerKeys == nil { + return + } + textPropagator := newTextMapPropagator(headerKeys.applyDefaults(), tracer.metrics) + tracer.addCodec(opentracing.TextMap, textPropagator, textPropagator) + + httpHeaderPropagator := newHTTPHeaderPropagator(headerKeys.applyDefaults(), tracer.metrics) + tracer.addCodec(opentracing.HTTPHeaders, httpHeaderPropagator, httpHeaderPropagator) + } +} + +// TimeNow creates a TracerOption that gives the tracer a function +// used to generate timestamps for spans. +func (tracerOptions) TimeNow(timeNow func() time.Time) TracerOption { + return func(tracer *Tracer) { + tracer.timeNow = timeNow + } +} + +// RandomNumber creates a TracerOption that gives the tracer +// a thread-safe random number generator function for generating trace IDs. +func (tracerOptions) RandomNumber(randomNumber func() uint64) TracerOption { + return func(tracer *Tracer) { + tracer.randomNumber = randomNumber + } +} + +// PoolSpans creates a TracerOption that tells the tracer whether it should use +// an object pool to minimize span allocations. +// This should be used with care, only if the service is not running any async tasks +// that can access parent spans after those spans have been finished. +func (tracerOptions) PoolSpans(poolSpans bool) TracerOption { + return func(tracer *Tracer) { + tracer.options.poolSpans = poolSpans + } +} + +// Deprecated: HostIPv4 creates a TracerOption that identifies the current service/process. +// If not set, the factory method will obtain the current IP address. +// The TracerOption is deprecated; the tracer will attempt to automatically detect the IP. +func (tracerOptions) HostIPv4(hostIPv4 uint32) TracerOption { + return func(tracer *Tracer) { + tracer.hostIPv4 = hostIPv4 + } +} + +func (tracerOptions) Injector(format interface{}, injector Injector) TracerOption { + return func(tracer *Tracer) { + tracer.injectors[format] = injector + } +} + +func (tracerOptions) Extractor(format interface{}, extractor Extractor) TracerOption { + return func(tracer *Tracer) { + tracer.extractors[format] = extractor + } +} + +func (t tracerOptions) Observer(observer Observer) TracerOption { + return t.ContribObserver(&oldObserver{obs: observer}) +} + +func (tracerOptions) ContribObserver(observer ContribObserver) TracerOption { + return func(tracer *Tracer) { + tracer.observer.append(observer) + } +} + +func (tracerOptions) Gen128Bit(gen128Bit bool) TracerOption { + return func(tracer *Tracer) { + tracer.options.gen128Bit = gen128Bit + } +} + +func (tracerOptions) HighTraceIDGenerator(highTraceIDGenerator func() uint64) TracerOption { + return func(tracer *Tracer) { + tracer.options.highTraceIDGenerator = highTraceIDGenerator + } +} + +func (tracerOptions) MaxTagValueLength(maxTagValueLength int) TracerOption { + return func(tracer *Tracer) { + tracer.options.maxTagValueLength = maxTagValueLength + } +} + +func (tracerOptions) ZipkinSharedRPCSpan(zipkinSharedRPCSpan bool) TracerOption { + return func(tracer *Tracer) { + tracer.options.zipkinSharedRPCSpan = zipkinSharedRPCSpan + } +} + +func (tracerOptions) Tag(key string, value interface{}) TracerOption { + return func(tracer *Tracer) { + tracer.tags = append(tracer.tags, Tag{key: key, value: value}) + } +} + +func (tracerOptions) BaggageRestrictionManager(mgr baggage.RestrictionManager) TracerOption { + return func(tracer *Tracer) { + tracer.baggageRestrictionManager = mgr + } +} + +func (tracerOptions) DebugThrottler(throttler throttler.Throttler) TracerOption { + return func(tracer *Tracer) { + tracer.debugThrottler = throttler + } +} |