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clientv3: add "IsConnCanceled", deprecate "grpc.ErrClientConnClosing"

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Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyuho Lee
2018-06-15 07:19:11 -07:00
parent a76681073d
commit 6e521d2f3f
4 changed files with 32 additions and 5 deletions
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5
clientv3/doc.go
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@ -87,11 +87,16 @@
// go func() { cli.Close() }()
// _, err := kvc.Get(ctx, "a")
// if err != nil {
// // with etcd clientv3 <= v3.3
// if err == context.Canceled {
// // grpc balancer calls 'Get' with an inflight client.Close
// } else if err == grpc.ErrClientConnClosing {
// // grpc balancer calls 'Get' after client.Close.
// }
// // with etcd clientv3 >= v3.4
// if clientv3.IsConnCanceled(err) {
// // gRPC client connection is closed
// }
// }
//
package clientv3