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Merge pull request #12815 from dbavatar/release-3.4-peervalidation

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etcdserver: Fix PeerURL validation
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Piotr Tabor 2021-03-30 12:54:32 +02:00 committed by GitHub
commit 30799c97be
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1 changed files with 10 additions and 5 deletions
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15
etcdserver/api/membership/cluster.go
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@ -763,16 +763,21 @@ func ValidateClusterAndAssignIDs(lg *zap.Logger, local *RaftCluster, existing *R
if len(ems) != len(lms) {
return fmt.Errorf("member count is unequal")
}
sort.Sort(MembersByPeerURLs(ems))
sort.Sort(MembersByPeerURLs(lms))
ctx, cancel := context.WithTimeout(context.TODO(), 30*time.Second)
defer cancel()
for i := range ems {
if ok, err := netutil.URLStringsEqual(ctx, lg, ems[i].PeerURLs, lms[i].PeerURLs); !ok {
return fmt.Errorf("unmatched member while checking PeerURLs (%v)", err)
var err error
ok := false
for j := range lms {
if ok, err = netutil.URLStringsEqual(ctx, lg, ems[i].PeerURLs, lms[j].PeerURLs); ok {
lms[j].ID = ems[i].ID
break
}
}
if !ok {
return fmt.Errorf("PeerURLs: no match found for existing member (%v, %v), last resolver error (%v)", ems[i].ID, ems[i].PeerURLs, err)
}
lms[i].ID = ems[i].ID
}
local.members = make(map[types.ID]*Member)
for _, m := range lms {