mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
104 lines
2.5 KiB
Go
104 lines
2.5 KiB
Go
// Copyright 2017 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package clientv3test
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import (
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"context"
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"strings"
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"testing"
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"time"
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"go.etcd.io/etcd/client/v3"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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// MustWaitPinReady waits up to 3-second until connection is up (pin endpoint).
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// Fatal on time-out.
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func MustWaitPinReady(t *testing.T, cli *clientv3.Client) {
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// TODO: decrease timeout after balancer rewrite!!!
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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_, err := cli.Get(ctx, "foo")
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cancel()
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if err != nil {
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t.Fatal(err)
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}
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}
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// IsServerCtxTimeout checks reason of the error.
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// e.g. due to clock drifts in server-side,
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// client context times out first in server-side
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// while original client-side context is not timed out yet
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func IsServerCtxTimeout(err error) bool {
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if err == nil {
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return false
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}
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ev, ok := status.FromError(err)
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if !ok {
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return false
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}
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code := ev.Code()
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return (code == codes.DeadlineExceeded /*3.5+"*/ || code == codes.Unknown /*<=3.4*/) &&
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strings.Contains(err.Error(), "context deadline exceeded")
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}
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// IsClientTimeout checks reason of the error.
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// In grpc v1.11.3+ dial timeouts can error out with transport.ErrConnClosing. Previously dial timeouts
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// would always error out with context.DeadlineExceeded.
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func IsClientTimeout(err error) bool {
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if err == nil {
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return false
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}
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if err == context.DeadlineExceeded {
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return true
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}
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ev, ok := status.FromError(err)
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if !ok {
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return false
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}
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code := ev.Code()
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return code == codes.DeadlineExceeded
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}
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func IsCanceled(err error) bool {
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if err == nil {
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return false
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}
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if err == context.Canceled {
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return true
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}
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ev, ok := status.FromError(err)
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if !ok {
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return false
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}
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code := ev.Code()
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return code == codes.Canceled
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}
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func IsUnavailable(err error) bool {
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if err == nil {
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return false
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}
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if err == context.Canceled {
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return true
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}
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ev, ok := status.FromError(err)
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if !ok {
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return false
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}
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code := ev.Code()
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return code == codes.Unavailable
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}
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