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Merge pull request #120266 from serathius/remove-returnRV

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Remove duplicated returnRV variable
This commit is contained in:
Kubernetes Prow Robot
2023-08-30 12:30:47 -07:00
committed by GitHub
parent 3cf3702d1e be4692864b
commit a0873d37c5
1 changed files with 13 additions and 17 deletions
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30
staging/src/k8s.io/apiserver/pkg/storage/etcd3/store.go
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@@ -659,7 +659,7 @@ func (s *store) GetList(ctx context.Context, key string, opts storage.ListOption
fromRV = &parsedRV
}
var returnedRV, continueRV, withRev int64
var continueRV, withRev int64
var continueKey string
switch {
case recursive && s.pagingEnabled && len(pred.Continue) > 0:
@@ -681,7 +681,6 @@ func (s *store) GetList(ctx context.Context, key string, opts storage.ListOption
// If continueRV < 0, the request is for the latest resource version.
if continueRV > 0 {
withRev = continueRV
returnedRV = continueRV
}
case recursive && s.pagingEnabled && pred.Limit > 0:
if fromRV != nil {
@@ -690,12 +689,10 @@ func (s *store) GetList(ctx context.Context, key string, opts storage.ListOption
// The not older than constraint is checked after we get a response from etcd,
// and returnedRV is then set to the revision we get from the etcd response.
case metav1.ResourceVersionMatchExact:
returnedRV = int64(*fromRV)
withRev = returnedRV
withRev = int64(*fromRV)
case "": // legacy case
if *fromRV > 0 {
returnedRV = int64(*fromRV)
withRev = returnedRV
withRev = int64(*fromRV)
}
default:
return fmt.Errorf("unknown ResourceVersionMatch value: %v", match)
@@ -711,8 +708,7 @@ func (s *store) GetList(ctx context.Context, key string, opts storage.ListOption
// The not older than constraint is checked after we get a response from etcd,
// and returnedRV is then set to the revision we get from the etcd response.
case metav1.ResourceVersionMatchExact:
returnedRV = int64(*fromRV)
withRev = returnedRV
withRev = int64(*fromRV)
case "": // legacy case
default:
return fmt.Errorf("unknown ResourceVersionMatch value: %v", match)
@@ -793,11 +789,6 @@ func (s *store) GetList(ctx context.Context, key string, opts storage.ListOption
getResp.Kvs[i] = nil
}
// indicate to the client which resource version was returned
if returnedRV == 0 {
returnedRV = getResp.Header.Revision
}
// no more results remain or we didn't request paging
if !hasMore || !paging {
break
@@ -818,10 +809,15 @@ func (s *store) GetList(ctx context.Context, key string, opts storage.ListOption
}
preparedKey = string(lastKey) + "\x00"
if withRev == 0 {
withRev = returnedRV
withRev = getResp.Header.Revision
options = append(options, clientv3.WithRev(withRev))
}
}
// indicate to the client which resource version was returned
if withRev == 0 {
withRev = getResp.Header.Revision
}
if v.IsNil() {
// Ensure that we never return a nil Items pointer in the result for consistency.
v.Set(reflect.MakeSlice(v.Type(), 0, 0))
@@ -831,7 +827,7 @@ func (s *store) GetList(ctx context.Context, key string, opts storage.ListOption
// we never return a key that the client wouldn't be allowed to see
if hasMore {
// we want to start immediately after the last key
next, err := storage.EncodeContinue(string(lastKey)+"\x00", keyPrefix, returnedRV)
next, err := storage.EncodeContinue(string(lastKey)+"\x00", keyPrefix, withRev)
if err != nil {
return err
}
@@ -843,11 +839,11 @@ func (s *store) GetList(ctx context.Context, key string, opts storage.ListOption
c := int64(getResp.Count - pred.Limit)
remainingItemCount = &c
}
return s.versioner.UpdateList(listObj, uint64(returnedRV), next, remainingItemCount)
return s.versioner.UpdateList(listObj, uint64(withRev), next, remainingItemCount)
}
// no continuation
return s.versioner.UpdateList(listObj, uint64(returnedRV), "", nil)
return s.versioner.UpdateList(listObj, uint64(withRev), "", nil)
}
// growSlice takes a slice value and grows its capacity up