global cluster_config no more needed in raft and neither GetClusterConfig()...

global cluster_config no more needed in raft and neither GetClusterConfig() function, cluster config only in raft object

assignment2/src/raft/raft.go

@@ -87,12 +87,6 @@ type Reply struct {
 // Structure for registering RPC methods
 type AppendEntries struct{}
 
-var cluster_config *ClusterConfig
-
-func GetClusterConfig() *ClusterConfig {
-	return cluster_config
-}
-
 // Creates a raft object. This implements the SharedLog interface.
 // commitCh is the channel that the kvstore waits on for committed messages.
 // When the process starts, the local disk log is read and all committed
@@ -101,7 +95,6 @@ func NewRaft(config *ClusterConfig, thisServerId int, commitCh chan LogEntry, lo
 	rft := new(Raft)
 	rft.commitCh = commitCh
 	rft.clusterConfig = config
-	cluster_config = config
 	rft.id = thisServerId
 	Info = logger
 	lsn = 0