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etcdserver/api/v3rpc: debug-log client disconnect on TLS, http/2 stream CANCEL

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Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyuho Lee 2018-01-19 12:23:10 -08:00
parent a90f301ba8
commit 8a18cc96d0
1 changed files with 22 additions and 2 deletions
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24
etcdserver/api/v3rpc/util.go
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@ -16,6 +16,7 @@ package v3rpc
import (
"context"
"strings"
"github.com/coreos/etcd/auth"
"github.com/coreos/etcd/etcdserver"
@ -91,6 +92,25 @@ func isClientCtxErr(ctxErr error, err error) bool {
if !ok {
return false
}
code := ev.Code()
return code == codes.Canceled || code == codes.DeadlineExceeded
switch ev.Code() {
case codes.Canceled, codes.DeadlineExceeded:
// client-side context cancel or deadline exceeded
// "rpc error: code = Canceled desc = context canceled"
// "rpc error: code = DeadlineExceeded desc = context deadline exceeded"
return true
case codes.Unavailable:
msg := ev.Message()
// client-side context cancel or deadline exceeded with TLS ("http2.errClientDisconnected")
// "rpc error: code = Unavailable desc = client disconnected"
if msg == "client disconnected" {
return true
}
// "grpc/transport.ClientTransport.CloseStream" on canceled streams
// "rpc error: code = Unavailable desc = stream error: stream ID 21; CANCEL")
if strings.HasPrefix(msg, "stream error: ") && strings.HasSuffix(msg, "; CANCEL") {
return true
}
}
return false
}