func (self *MetaDataNodeState) RegisterDataNode(addr string, blocks []BlockID) NodeID {
name := strings.Replace(namesgenerator.GetRandomName(0), "_", "-", -1)
nodeID := NodeID(name)
self.HasBlocks(nodeID, blocks)
self.mutex.Lock()
defer self.mutex.Unlock()
self.dataNodes[nodeID] = addr
self.dataNodesUtilization[nodeID] = len(blocks)
self.dataNodesLastSeen[nodeID] = time.Now()
return nodeID
}
func (daemon *Daemon) generateNewName(id string) (string, error) {
var name string
for i := 1; i < 6; i++ {
name = namesgenerator.GetRandomName(i)
if name[0] != '/' {
name = "/" + name
}
if _, err := daemon.containerGraph.Set(name, id); err != nil {
if !graphdb.IsNonUniqueNameError(err) {
return "", err
}
continue
}
return name, nil
}
name = "/" + utils.TruncateID(id)
if _, err := daemon.containerGraph.Set(name, id); err != nil {
return "", err
}
return name, nil
}