rule: fix reload signal not working

Signed-off-by: Juraj Michalek <juraj.michalek132@gmail.com>

cmd/thanos/rule.go

@@ -80,7 +80,6 @@ type ruleConfig struct {
  ruleFiles []string
  objStoreConfig *extflag.PathOrContent
  dataDir string
- reloadSignal <-chan struct{}
  lset labels.Labels
 }
 
@@ -195,6 +194,7 @@ func registerRule(app *extkingpin.App) {
  tracer,
  comp,
  *conf,
+ reload,
  getFlagsMap(cmd.Flags()),
  httpLogOpts,
  grpcLogOpts,
@@ -257,6 +257,7 @@ func runRule(
  tracer opentracing.Tracer,
  comp component.Component,
  conf ruleConfig,
+ reloadSignal <-chan struct{},
  flagsMap map[string]string,
  httpLogOpts []logging.Option,
  grpcLogOpts []grpc_logging.Option,
@@ -483,7 +484,7 @@ func runRule(
  }
  for {
  select {
- case <-conf.reloadSignal:
+ case <-reloadSignal:
  if err := reloadRules(logger, conf.ruleFiles, ruleMgr, conf.evalInterval, metrics); err != nil {
  level.Error(logger).Log("msg", "reload rules by sighup failed", "err", err)
  }