Add flag to customize the interval which the onStatus hook is called

Author: tknodell-recurly

go/base/context.go

@@ -140,6 +140,7 @@ type MigrationContext struct {
 	HooksHintMessage                    string
 	HooksHintOwner                      string
 	HooksHintToken                      string
+	HooksStatusIntervalSec              int64
 
 	DropServeSocket bool
 	ServeSocketFile string

go/cmd/gh-ost/main.go

@@ -125,6 +125,7 @@ func main() {
 	flag.StringVar(&migrationContext.HooksHintMessage, "hooks-hint", "", "arbitrary message to be injected to hooks via GH_OST_HOOKS_HINT, for your convenience")
 	flag.StringVar(&migrationContext.HooksHintOwner, "hooks-hint-owner", "", "arbitrary name of owner to be injected to hooks via GH_OST_HOOKS_HINT_OWNER, for your convenience")
 	flag.StringVar(&migrationContext.HooksHintToken, "hooks-hint-token", "", "arbitrary token to be injected to hooks via GH_OST_HOOKS_HINT_TOKEN, for your convenience")
+	flag.Int64Var(&migrationContext.HooksStatusIntervalSec, "hooks-status-interval", 60, "how many seconds to wait between calling onStatus hook")
 
 	flag.UintVar(&migrationContext.ReplicaServerId, "replica-server-id", 99999, "server id used by gh-ost process. Default: 99999")
 

go/logic/migrator.go

@@ -1016,7 +1016,7 @@ func (this *Migrator) printStatus(rule PrintStatusRule, writers ...io.Writer) {
 	w := io.MultiWriter(writers...)
 	fmt.Fprintln(w, status)
 
-	if elapsedSeconds%60 == 0 {
+	if elapsedSeconds%this.migrationContext.HooksStatusIntervalSec == 0 {
 		this.hooksExecutor.onStatus(status)
 	}
 }