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Initialize expvar lazily to prevent panic if importing both Pilosa v1 and v2.

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This commit is contained in:
Cody Soyland 2020-01-02 15:43:34 -06:00
parent 5643afac47
commit 8d32005ede
1 changed files with 4 additions and 1 deletions
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5
stats/stats.go
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@ -25,7 +25,7 @@ import (
)
// Expvar global expvar map.
var Expvar = expvar.NewMap("index")
var Expvar *expvar.Map
// StatsClient represents a client to a stats server.
type StatsClient interface {
@ -90,6 +90,9 @@ type expvarStatsClient struct {
// NewExpvarStatsClient returns a new instance of ExpvarStatsClient.
// This client points at the root of the expvar index map.
func NewExpvarStatsClient() *expvarStatsClient {
if Expvar == nil {
Expvar = expvar.NewMap("index")
}
return &expvarStatsClient{
m: Expvar,
}