fix compact: minor fixes

Author: FUSAKLA

cmd/thanos/compact.go

@@ -70,8 +70,8 @@ func (cs compactionSet) maxLevel() int {
 }
 
 func registerCompact(m map[string]setupFunc, app *kingpin.Application) {
-	component := component.Compact
-	cmd := app.Command(component.String(), "continuously compacts blocks in an object store bucket")
+	comp := component.Compact
+	cmd := app.Command(comp.String(), "continuously compacts blocks in an object store bucket")
 
 	haltOnError := cmd.Flag("debug.halt-on-error", "Halt the process if a critical compaction error is detected.").
 		Hidden().Default("true").Bool()
@@ -113,7 +113,7 @@ func registerCompact(m map[string]setupFunc, app *kingpin.Application) {
 	compactionConcurrency := cmd.Flag("compact.concurrency", "Number of goroutines to use when compacting groups.").
 		Default("1").Int()
 
-	m[component.String()] = func(g *run.Group, logger log.Logger, reg *prometheus.Registry, tracer opentracing.Tracer, _ bool) error {
+	m[comp.String()] = func(g *run.Group, logger log.Logger, reg *prometheus.Registry, tracer opentracing.Tracer, _ bool) error {
 		return runCompact(g, logger, reg,
 			*httpAddr,
 			*dataDir,
@@ -128,7 +128,7 @@ func registerCompact(m map[string]setupFunc, app *kingpin.Application) {
 				compact.ResolutionLevel5m:  time.Duration(*retention5m),
 				compact.ResolutionLevel1h:  time.Duration(*retention1h),
 			},
-			component,
+			comp,
 			*disableDownsampling,
 			*maxCompactionLevel,
 			*blockSyncConcurrency,

cmd/thanos/main.go

@@ -347,7 +347,7 @@ func defaultHTTPListener(g *run.Group, logger log.Logger, reg *prometheus.Regist
 	}
 
 	g.Add(func() error {
-		level.Info(logger).Log("msg", "Listening for metrics", "address", httpBindAddr)
+		level.Info(logger).Log("msg", "listening for metrics", "address", httpBindAddr)
 		readinessProber.SetHealthy()
 		return errors.Wrap(http.Serve(l, mux), "serve metrics")
 	}, func(err error) {