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etcdserver: add isKeyNotFound helper func

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This commit is contained in:
Yicheng Qin 2014-10-21 17:41:41 -07:00
parent 89b032cd69
commit 9ad4a8e33a
1 changed files with 13 additions and 9 deletions
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22
etcdserver/cluster_store.go
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@ -80,7 +80,7 @@ func (s *clusterStore) Get() Cluster {
c.id = s.id
e, err := s.Store.Get(storeMembersPrefix, true, true)
if err != nil {
if v, ok := err.(*etcdErr.Error); ok && v.ErrorCode == etcdErr.EcodeKeyNotFound {
if isKeyNotFound(err) {
return *c
}
log.Panicf("get member should never fail: %v", err)
@ -132,16 +132,15 @@ func (s *clusterStore) Remove(id uint64) {
func (s *clusterStore) IsRemoved(id uint64) bool {
_, err := s.Store.Get(removedMemberStoreKey(id), false, false)
switch v := err.(type) {
case nil:
switch {
case err == nil:
return true
case *etcdErr.Error:
if v.ErrorCode == etcdErr.EcodeKeyNotFound {
return false
}
case isKeyNotFound(err):
return false
default:
log.Panicf("unexpected error when getting removed member %x: %v", id, err)
return false
}
log.Panicf("unexpected getting removed member error: %v", err)
return false
}
// Sender creates the default production sender used to transport raft messages
@ -233,3 +232,8 @@ func httpPost(c *http.Client, url string, cid uint64, data []byte) bool {
return false
}
}
func isKeyNotFound(err error) bool {
e, ok := err.(*etcdErr.Error)
return ok && e.ErrorCode == etcdErr.EcodeKeyNotFound
}