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Add raft server access mutex to avoid races (#3503)

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This commit is contained in:
Patrick Schmidt
2022-08-24 18:49:05 +02:00
committed by GitHub
parent f7e4359b59
commit 7b424a54dc
5 changed files with 72 additions and 25 deletions
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10
weed/command/master.go
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@@ -206,11 +206,13 @@ func startMaster(masterOption MasterOptions, masterWhiteList []string) {
if !*m.raftHashicorp {
go func() {
time.Sleep(timeSleep)
if ms.Topo.RaftServer.Leader() == "" && ms.Topo.RaftServer.IsLogEmpty() && isTheFirstOne(myMasterAddress, peers) {
if ms.MasterClient.FindLeaderFromOtherPeers(myMasterAddress) == "" {
raftServer.DoJoinCommand()
}
ms.Topo.RaftServerAccessLock.RLock()
isEmptyMaster := ms.Topo.RaftServer.Leader() == "" && ms.Topo.RaftServer.IsLogEmpty()
if isEmptyMaster && isTheFirstOne(myMasterAddress, peers) && ms.MasterClient.FindLeaderFromOtherPeers(myMasterAddress) == "" {
raftServer.DoJoinCommand()
}
ms.Topo.RaftServerAccessLock.RUnlock()
}()
}