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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/opentracing/opentracing-go/globaltracer.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/opentracing/opentracing-go/globaltracer.go')
-rw-r--r-- | vendor/github.com/opentracing/opentracing-go/globaltracer.go | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/vendor/github.com/opentracing/opentracing-go/globaltracer.go b/vendor/github.com/opentracing/opentracing-go/globaltracer.go new file mode 100644 index 000000000..4f7066a92 --- /dev/null +++ b/vendor/github.com/opentracing/opentracing-go/globaltracer.go @@ -0,0 +1,42 @@ +package opentracing + +type registeredTracer struct { + tracer Tracer + isRegistered bool +} + +var ( + globalTracer = registeredTracer{NoopTracer{}, false} +) + +// SetGlobalTracer sets the [singleton] opentracing.Tracer returned by +// GlobalTracer(). Those who use GlobalTracer (rather than directly manage an +// opentracing.Tracer instance) should call SetGlobalTracer as early as +// possible in main(), prior to calling the `StartSpan` global func below. +// Prior to calling `SetGlobalTracer`, any Spans started via the `StartSpan` +// (etc) globals are noops. +func SetGlobalTracer(tracer Tracer) { + globalTracer = registeredTracer{tracer, true} +} + +// GlobalTracer returns the global singleton `Tracer` implementation. +// Before `SetGlobalTracer()` is called, the `GlobalTracer()` is a noop +// implementation that drops all data handed to it. +func GlobalTracer() Tracer { + return globalTracer.tracer +} + +// StartSpan defers to `Tracer.StartSpan`. See `GlobalTracer()`. +func StartSpan(operationName string, opts ...StartSpanOption) Span { + return globalTracer.tracer.StartSpan(operationName, opts...) +} + +// InitGlobalTracer is deprecated. Please use SetGlobalTracer. +func InitGlobalTracer(tracer Tracer) { + SetGlobalTracer(tracer) +} + +// IsGlobalTracerRegistered returns a `bool` to indicate if a tracer has been globally registered +func IsGlobalTracerRegistered() bool { + return globalTracer.isRegistered +} |