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swarm/tracing: Elaborate constants comments

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lash 2019-02-19 02:42:00 +01:00
parent c5e9c61155
commit 9333e2409b
1 changed files with 6 additions and 2 deletions
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6
swarm/tracing/tracing.go
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@ -18,6 +18,7 @@ import (
) )
var ( var (
// Enabled turns tracing on for the current swarm instance
Enabled bool = false Enabled bool = false
store = spanStore{} store = spanStore{}
) )
@ -26,8 +27,11 @@ const (
// TracingEnabledFlag is the CLI flag name to use to enable trace collections. // TracingEnabledFlag is the CLI flag name to use to enable trace collections.
TracingEnabledFlag = "tracing" TracingEnabledFlag = "tracing"
// StoreLabels are used to pass span information through context instances to the span store // StoreLabelId is the context value key of the name of the span to be saved
StoreLabelId = "span_save_id" 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" StoreLabelMeta = "span_save_meta"
) )