Files
tidb/tests/globalkilltest/util.go
2024-01-29 07:21:29 +00:00

135 lines
3.4 KiB
Go

// Copyright 2023 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package globalkilltest
import (
"encoding/json"
"fmt"
"net/http"
"time"
"github.com/pingcap/errors"
"github.com/pingcap/log"
"github.com/pingcap/tidb/pkg/server"
"github.com/pingcap/tidb/pkg/util"
"go.uber.org/zap"
)
const (
timeoutCheckPDStatus = 10 * time.Second
timeoutCheckTiKVStatus = 30 * time.Second
timeoutCheckTiDBStatus = 60 * time.Second // First start up of TiDB would take a long time.
retryInterval = 500 * time.Millisecond
)
func withRetry[T any](fn func() (T, error), timeout time.Duration) (resp T, err error) {
startTime := time.Now()
retry := 0
for time.Since(startTime) < timeout {
retry += 1
resp, err = fn()
if err == nil {
break
}
log.Debug("withRetry", zap.Error(err), zap.Int("retry", retry))
time.Sleep(retryInterval)
}
return resp, errors.Trace(err)
}
func checkPDHealth(host string) error {
url := util.ComposeURL(host, "/health")
request := func() (any, error) {
resp, err := util.InternalHTTPClient().Get(url)
if err != nil {
return nil, errors.Trace(err)
}
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("PD health status code %d", resp.StatusCode)
}
defer resp.Body.Close()
var health struct {
Health string `json:"health"`
}
dec := json.NewDecoder(resp.Body)
err = dec.Decode(&health)
if err != nil {
return nil, errors.Trace(err)
}
log.Info("PD health", zap.Any("health", health))
if health.Health != "true" {
return nil, fmt.Errorf("PD not healthy %v", health.Health)
}
return nil, nil
}
_, err := withRetry(request, timeoutCheckPDStatus)
return errors.Trace(err)
}
func checkTiKVStatus() error {
url := util.ComposeURL("127.0.0.1:20180", "/status")
request := func() (any, error) {
resp, err := util.InternalHTTPClient().Get(url)
if err != nil {
return nil, errors.Trace(err)
}
log.Info("TiKV status", zap.Any("status", resp.StatusCode))
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("TiKV status code %d", resp.StatusCode)
}
resp.Body.Close()
return nil, nil
}
_, err := withRetry(request, timeoutCheckTiKVStatus)
return errors.Trace(err)
}
func checkTiDBStatus(statusPort int) error {
host := fmt.Sprintf("127.0.0.1:%d", statusPort)
url := util.ComposeURL(host, "/status")
request := func() (any, error) {
resp, err := util.InternalHTTPClient().Get(url)
if err != nil {
return nil, errors.Trace(err)
}
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("TiDB status code %d", resp.StatusCode)
}
defer resp.Body.Close()
var status server.Status
dec := json.NewDecoder(resp.Body)
err = dec.Decode(&status)
if err != nil {
return nil, errors.Trace(err)
}
log.Info("TiDB status", zap.Any("status", status))
return nil, nil
}
_, err := withRetry(request, timeoutCheckTiDBStatus)
return errors.Trace(err)
}