135 lines
3.4 KiB
Go
135 lines
3.4 KiB
Go
// Copyright 2023 PingCAP, Inc.
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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 globalkilltest
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"time"
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"github.com/pingcap/errors"
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"github.com/pingcap/log"
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"github.com/pingcap/tidb/pkg/server"
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"github.com/pingcap/tidb/pkg/util"
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"go.uber.org/zap"
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)
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const (
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timeoutCheckPDStatus = 10 * time.Second
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timeoutCheckTiKVStatus = 30 * time.Second
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timeoutCheckTiDBStatus = 60 * time.Second // First start up of TiDB would take a long time.
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retryInterval = 500 * time.Millisecond
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)
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func withRetry[T any](fn func() (T, error), timeout time.Duration) (resp T, err error) {
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startTime := time.Now()
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retry := 0
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for time.Since(startTime) < timeout {
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retry += 1
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resp, err = fn()
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if err == nil {
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break
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}
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log.Debug("withRetry", zap.Error(err), zap.Int("retry", retry))
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time.Sleep(retryInterval)
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}
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return resp, errors.Trace(err)
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}
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func checkPDHealth(host string) error {
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url := util.ComposeURL(host, "/health")
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request := func() (any, error) {
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resp, err := util.InternalHTTPClient().Get(url)
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if err != nil {
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return nil, errors.Trace(err)
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}
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("PD health status code %d", resp.StatusCode)
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}
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defer resp.Body.Close()
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var health struct {
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Health string `json:"health"`
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}
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dec := json.NewDecoder(resp.Body)
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err = dec.Decode(&health)
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if err != nil {
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return nil, errors.Trace(err)
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}
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log.Info("PD health", zap.Any("health", health))
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if health.Health != "true" {
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return nil, fmt.Errorf("PD not healthy %v", health.Health)
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}
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return nil, nil
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}
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_, err := withRetry(request, timeoutCheckPDStatus)
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return errors.Trace(err)
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}
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func checkTiKVStatus() error {
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url := util.ComposeURL("127.0.0.1:20180", "/status")
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request := func() (any, error) {
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resp, err := util.InternalHTTPClient().Get(url)
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if err != nil {
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return nil, errors.Trace(err)
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}
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log.Info("TiKV status", zap.Any("status", resp.StatusCode))
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("TiKV status code %d", resp.StatusCode)
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}
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resp.Body.Close()
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return nil, nil
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}
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_, err := withRetry(request, timeoutCheckTiKVStatus)
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return errors.Trace(err)
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}
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func checkTiDBStatus(statusPort int) error {
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host := fmt.Sprintf("127.0.0.1:%d", statusPort)
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url := util.ComposeURL(host, "/status")
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request := func() (any, error) {
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resp, err := util.InternalHTTPClient().Get(url)
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if err != nil {
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return nil, errors.Trace(err)
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}
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("TiDB status code %d", resp.StatusCode)
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}
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defer resp.Body.Close()
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var status server.Status
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dec := json.NewDecoder(resp.Body)
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err = dec.Decode(&status)
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if err != nil {
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return nil, errors.Trace(err)
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}
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log.Info("TiDB status", zap.Any("status", status))
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return nil, nil
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}
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_, err := withRetry(request, timeoutCheckTiDBStatus)
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return errors.Trace(err)
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}
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