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etcd: config etcd3 client's max response size #3891

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Feb 2, 2018
Merged

etcd: config etcd3 client's max response size #3891

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9 changes: 9 additions & 0 deletions physical/etcd/etcd3.go
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Original file line number Diff line number Diff line change
Expand Up @@ -113,6 +113,15 @@ func newEtcd3Backend(conf map[string]string, logger log.Logger) (physical.Backen
cfg.Password = password
}

if maxReceive, ok := conf["max_receive_size"]; ok {
// grpc converts this to uint32 internally, so parse as that to avoid passing invalid values
val, err := strconv.ParseUint(maxReceive, 10, 32)
if err != nil {
return nil, fmt.Errorf("value [%v] of 'max_receive_size' could not be understood", maxReceive)
}
cfg.MaxCallRecvMsgSize = int(val)
}

etcd, err := clientv3.New(cfg)
if err != nil {
return nil, err
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