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Return []error from Stop() channel, allow recursive stop groups

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This commit is contained in:
Justin Li
2018-09-09 11:14:24 -04:00
parent 21f500c93e
commit d95120c817
9 changed files with 76 additions and 57 deletions
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8
cmd/chihaya/main.go
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@@ -113,19 +113,19 @@ func combineErrors(prefix string, errs []error) error {
// Stop shuts down an instance of Chihaya.
func (r *Run) Stop(keepPeerStore bool) (storage.PeerStore, error) {
log.Debug("stopping frontends and prometheus endpoint")
if errs := r.sg.Stop(); len(errs) != 0 {
if errs := r.sg.Stop().Wait(); len(errs) != 0 {
return nil, combineErrors("failed while shutting down frontends", errs)
}
log.Debug("stopping logic")
if errs := r.logic.Stop(); len(errs) != 0 {
if errs := r.logic.Stop().Wait(); len(errs) != 0 {
return nil, combineErrors("failed while shutting down middleware", errs)
}
if !keepPeerStore {
log.Debug("stopping peer store")
if err, closed := <-r.peerStore.Stop(); !closed {
return nil, err
if errs := r.peerStore.Stop().Wait(); len(errs) != 0 {
return nil, combineErrors("failed while shutting down peer store", errs)
}
r.peerStore = nil
}