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1. fix mountcache race conflict

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2. support user-defined cache dir
    3. if not define mountcachedir disable mountcache
This commit is contained in:
王怀宗
2019-03-27 16:04:58 +08:00
parent b318964af5
commit af330fe68e
3 changed files with 41 additions and 34 deletions
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14
pkg/util/nodecache.go
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@ -101,20 +101,6 @@ func decodeObj(filepath, pattern string, file os.FileInfo, destObj interface{})
}
func (nc *NodeCache) Update(identifier string, data interface{}) error {
file := path.Join(nc.BasePath, nc.CacheDir, identifier+".json")
identifierTmp := identifier + ".creating"
fileTmp := path.Join(nc.BasePath, nc.CacheDir, identifierTmp+".json")
os.Remove(fileTmp)
if err := nc.Create(identifierTmp, data); err != nil {
return errors.Wrapf(err, "node-cache: failed to create metadata storage file %s\n", file)
}
if err := os.Rename(fileTmp, file); err != nil {
return errors.Wrapf(err, "node-cache: couldn't rename %s as %s", fileTmp, file)
}
return nil
}
// Create creates the metadata file in cache directory with identifier name
func (nc *NodeCache) Create(identifier string, data interface{}) error {
file := path.Join(nc.BasePath, nc.CacheDir, identifier+".json")