tracing

package

v0.5.9-0...-ba7202b Latest Latest Go to latest Published: Mar 11, 2022 License: GPL-3.0 Imports: 9 Imported by: 0

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Repository

github.com/holisticode/swarm

Documentation ¶

Index ¶

Constants
Variables
func FinishSpans()
func Setup(o Options)
func ShiftSpanByKey(k string) opentracing.Span
func StartSaveSpan(ctx context.Context) context.Context
type Options

Constants ¶

View Source

const (
	// StoreLabelId is the context value key of the name of the span to be saved
	StoreLabelId = "span_save_id"

	// StoreLabelMeta is the context value key that together with StoreLabelId constitutes the retrieval key for saved spans in the span store
	// StartSaveSpan and ShiftSpanByKey
	StoreLabelMeta = "span_save_meta"
)

Variables ¶

View Source

var (
	Closer io.Closer
)

View Source

var (
	// Enabled turns tracing on for the current swarm instance
	Enabled bool = false
)

Functions ¶

func FinishSpans ¶

func FinishSpans()

FinishSpans calls `Finish()` on all stored spans It should be called on instance shutdown

func Setup ¶

func Setup(o Options)

func ShiftSpanByKey ¶

func ShiftSpanByKey(k string) opentracing.Span

ShiftSpanByKey retrieves the span stored under the key of the string given as argument The span is then deleted from the store

func StartSaveSpan ¶

func StartSaveSpan(ctx context.Context) context.Context

StartSaveSpan stores the span specified in the passed context for later retrieval The span object but be context value on the key StoreLabelId. It will be stored under the the following string key context.Value(StoreLabelId)|.|context.Value(StoreLabelMeta)

Types ¶

type Options ¶

type Options struct {
	Enabled  bool
	Endpoint string
	Name     string
}

Source Files ¶

View all Source files

tracing.go

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