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avoid switching master node if same ip and host name

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fix https://github.com/chrislusf/seaweedfs/issues/955
This commit is contained in:
Chris Lu 2019-05-11 18:42:46 -07:00
parent 4dfcd2169e
commit 017d0957c3
1 changed files with 15 additions and 1 deletions
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16
weed/server/volume_grpc_client_to_master.go
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@ -2,6 +2,7 @@ package weed_server
import (
"fmt"
"net"
"time"
"github.com/chrislusf/seaweedfs/weed/security"
@ -79,7 +80,7 @@ func (vs *VolumeServer) doHeartbeat(ctx context.Context, masterNode, masterGrpcA
if in.GetVolumeSizeLimit() != 0 {
vs.store.SetVolumeSizeLimit(in.GetVolumeSizeLimit())
}
if in.GetLeader() != "" && masterNode != in.GetLeader() {
if in.GetLeader() != "" && masterNode != in.GetLeader() && !isSameIP(in.GetLeader(), masterNode) {
glog.V(0).Infof("Volume Server found a new master newLeader: %v instead of %v", in.GetLeader(), masterNode)
newLeader = in.GetLeader()
doneChan <- nil
@ -130,3 +131,16 @@ func (vs *VolumeServer) doHeartbeat(ctx context.Context, masterNode, masterGrpcA
}
}
}
func isSameIP(ip string, host string) bool {
ips, err := net.LookupIP(host)
if err != nil {
return false
}
for _, t := range ips {
if ip == t.String() {
return true
}
}
return false
}