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author | Sebastian Jug <sejug@redhat.com> | 2018-10-16 16:30:53 -0400 |
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committer | Sebastian Jug <seb@stianj.ug> | 2019-02-18 09:57:08 -0500 |
commit | 7141f972700ed454438d8539dd0bec79c0b61cf4 (patch) | |
tree | bfa2e524b71757a514a02ef68661b46dca9a3dfe /vendor/github.com/uber/jaeger-client-go/observer.go | |
parent | e738ef16225395f5f5e4b93ba1a43ae9449ae11b (diff) | |
download | podman-7141f972700ed454438d8539dd0bec79c0b61cf4.tar.gz podman-7141f972700ed454438d8539dd0bec79c0b61cf4.tar.bz2 podman-7141f972700ed454438d8539dd0bec79c0b61cf4.zip |
OpenTracing support added to start, stop, run, create, pull, and ps
Drop context.Context field from cli.Context
Signed-off-by: Sebastian Jug <sejug@redhat.com>
Diffstat (limited to 'vendor/github.com/uber/jaeger-client-go/observer.go')
-rw-r--r-- | vendor/github.com/uber/jaeger-client-go/observer.go | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/vendor/github.com/uber/jaeger-client-go/observer.go b/vendor/github.com/uber/jaeger-client-go/observer.go new file mode 100644 index 000000000..7bbd02889 --- /dev/null +++ b/vendor/github.com/uber/jaeger-client-go/observer.go @@ -0,0 +1,88 @@ +// 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" + +// Observer can be registered with the Tracer to receive notifications about +// new Spans. +// +// Deprecated: use jaeger.ContribObserver instead. +type Observer interface { + OnStartSpan(operationName string, options opentracing.StartSpanOptions) SpanObserver +} + +// SpanObserver is created by the Observer and receives notifications about +// other Span events. +// +// Deprecated: use jaeger.ContribSpanObserver instead. +type SpanObserver interface { + OnSetOperationName(operationName string) + OnSetTag(key string, value interface{}) + OnFinish(options opentracing.FinishOptions) +} + +// compositeObserver is a dispatcher to other observers +type compositeObserver struct { + observers []ContribObserver +} + +// compositeSpanObserver is a dispatcher to other span observers +type compositeSpanObserver struct { + observers []ContribSpanObserver +} + +// noopSpanObserver is used when there are no observers registered +// on the Tracer or none of them returns span observers from OnStartSpan. +var noopSpanObserver = &compositeSpanObserver{} + +func (o *compositeObserver) append(contribObserver ContribObserver) { + o.observers = append(o.observers, contribObserver) +} + +func (o *compositeObserver) OnStartSpan(sp opentracing.Span, operationName string, options opentracing.StartSpanOptions) ContribSpanObserver { + var spanObservers []ContribSpanObserver + for _, obs := range o.observers { + spanObs, ok := obs.OnStartSpan(sp, operationName, options) + if ok { + if spanObservers == nil { + spanObservers = make([]ContribSpanObserver, 0, len(o.observers)) + } + spanObservers = append(spanObservers, spanObs) + } + } + if len(spanObservers) == 0 { + return noopSpanObserver + } + return &compositeSpanObserver{observers: spanObservers} +} + +func (o *compositeSpanObserver) OnSetOperationName(operationName string) { + for _, obs := range o.observers { + obs.OnSetOperationName(operationName) + } +} + +func (o *compositeSpanObserver) OnSetTag(key string, value interface{}) { + for _, obs := range o.observers { + obs.OnSetTag(key, value) + } +} + +func (o *compositeSpanObserver) OnFinish(options opentracing.FinishOptions) { + for _, obs := range o.observers { + obs.OnFinish(options) + } +} |