docker
/
docs
mirror of https://github.com/docker/docs.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

store/consul: Watch() should work even if the key doesn't exist. 

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>
This commit is contained in:
Andrea Luzzardi 2015-05-15 03:52:16 -07:00
parent c77f7332a0
commit 2cdca520d9
1 changed files with 4 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
pkg/store/consul.go
View File

@ -151,18 +151,16 @@ func (s *Consul) Watch(key string, stopCh <-chan struct{}) (<-chan *KVPair, erro
return
default:
}
pair, meta, err := kv.Get(key, opts)
if err != nil {
log.WithField("backend", "consul").Error(err)
return
}
if pair == nil {
log.WithField("backend", "consul").Errorf("Key %s does not exist", key)
return
}
opts.WaitIndex = meta.LastIndex
watchCh <- &KVPair{pair.Key, pair.Value, pair.ModifyIndex}
// FIXME: What happens when a key is deleted?
if pair != nil {
watchCh <- &KVPair{pair.Key, pair.Value, pair.ModifyIndex}
}
}
}()
@ -193,10 +191,6 @@ func (s *Consul) WatchTree(prefix string, stopCh <-chan struct{}) (<-chan []*KVP
log.WithField("name", "consul").Error(err)
return
}
if len(pairs) == 0 {
log.WithField("name", "consul").Errorf("Key %s does not exist", prefix)
return
}
kv := []*KVPair{}
for _, pair := range pairs {
if pair.Key == prefix {