This is an automated cherry-pick of tikv#7674

close tikv#7672

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

pkg/schedule/schedulers/evict_leader.go

@@ -372,7 +372,7 @@ func (handler *evictLeaderHandler) UpdateConfig(w http.ResponseWriter, r *http.R
 		handler.rd.JSON(w, http.StatusInternalServerError, err.Error())
 		return
 	}
-	handler.rd.JSON(w, http.StatusOK, nil)
+	handler.rd.JSON(w, http.StatusOK, "The scheduler has been applied to the store.")
 }
 
 func (handler *evictLeaderHandler) ListConfig(w http.ResponseWriter, r *http.Request) {

pkg/schedule/schedulers/evict_slow_store.go

@@ -92,6 +92,54 @@ func (conf *evictSlowStoreSchedulerConfig) clearAndPersist() (oldID uint64, err
 	return
 }
 
+<<<<<<< HEAD
+=======
+type evictSlowStoreHandler struct {
+	rd     *render.Render
+	config *evictSlowStoreSchedulerConfig
+}
+
+func newEvictSlowStoreHandler(config *evictSlowStoreSchedulerConfig) http.Handler {
+	h := &evictSlowStoreHandler{
+		config: config,
+		rd:     render.New(render.Options{IndentJSON: true}),
+	}
+	router := mux.NewRouter()
+	router.HandleFunc("/config", h.UpdateConfig).Methods(http.MethodPost)
+	router.HandleFunc("/list", h.ListConfig).Methods(http.MethodGet)
+	return router
+}
+
+func (handler *evictSlowStoreHandler) UpdateConfig(w http.ResponseWriter, r *http.Request) {
+	var input map[string]interface{}
+	if err := apiutil.ReadJSONRespondError(handler.rd, w, r.Body, &input); err != nil {
+		return
+	}
+	recoveryDurationGapFloat, ok := input["recovery-duration"].(float64)
+	if !ok {
+		handler.rd.JSON(w, http.StatusInternalServerError, errors.New("invalid argument for 'recovery-duration'").Error())
+		return
+	}
+	handler.config.Lock()
+	defer handler.config.Unlock()
+	prevRecoveryDurationGap := handler.config.RecoveryDurationGap
+	recoveryDurationGap := uint64(recoveryDurationGapFloat)
+	handler.config.RecoveryDurationGap = recoveryDurationGap
+	if err := handler.config.persistLocked(); err != nil {
+		handler.rd.JSON(w, http.StatusInternalServerError, err.Error())
+		handler.config.RecoveryDurationGap = prevRecoveryDurationGap
+		return
+	}
+	log.Info("evict-slow-store-scheduler update 'recovery-duration' - unit: s", zap.Uint64("prev", prevRecoveryDurationGap), zap.Uint64("cur", recoveryDurationGap))
+	handler.rd.JSON(w, http.StatusOK, "Config updated.")
+}
+
+func (handler *evictSlowStoreHandler) ListConfig(w http.ResponseWriter, r *http.Request) {
+	conf := handler.config.Clone()
+	handler.rd.JSON(w, http.StatusOK, conf)
+}
+
+>>>>>>> 8b8c78a78 (scheduler: add aduit log for scheduler config API and add resp msg for evict-leader (#7674))
 type evictSlowStoreScheduler struct {
 	*BaseScheduler
 	conf *evictSlowStoreSchedulerConfig

pkg/schedule/schedulers/evict_slow_trend.go

@@ -120,7 +120,56 @@ func (conf *evictSlowTrendSchedulerConfig) clearAndPersist(cluster schedule.Clus
 	}
 	storeSlowTrendEvictedStatusGauge.WithLabelValues(address, strconv.FormatUint(oldID, 10)).Set(0)
 	conf.EvictedStores = []uint64{}
+<<<<<<< HEAD
 	return oldID, conf.Persist()
+=======
+	return oldID, conf.persistLocked()
+}
+
+type evictSlowTrendHandler struct {
+	rd     *render.Render
+	config *evictSlowTrendSchedulerConfig
+}
+
+func newEvictSlowTrendHandler(config *evictSlowTrendSchedulerConfig) http.Handler {
+	h := &evictSlowTrendHandler{
+		config: config,
+		rd:     render.New(render.Options{IndentJSON: true}),
+	}
+	router := mux.NewRouter()
+	router.HandleFunc("/config", h.UpdateConfig).Methods(http.MethodPost)
+	router.HandleFunc("/list", h.ListConfig).Methods(http.MethodGet)
+	return router
+}
+
+func (handler *evictSlowTrendHandler) UpdateConfig(w http.ResponseWriter, r *http.Request) {
+	var input map[string]interface{}
+	if err := apiutil.ReadJSONRespondError(handler.rd, w, r.Body, &input); err != nil {
+		return
+	}
+	recoveryDurationGapFloat, ok := input["recovery-duration"].(float64)
+	if !ok {
+		handler.rd.JSON(w, http.StatusInternalServerError, errors.New("invalid argument for 'recovery-duration'").Error())
+		return
+	}
+	handler.config.Lock()
+	defer handler.config.Unlock()
+	prevRecoveryDurationGap := handler.config.RecoveryDurationGap
+	recoveryDurationGap := uint64(recoveryDurationGapFloat)
+	handler.config.RecoveryDurationGap = recoveryDurationGap
+	if err := handler.config.persistLocked(); err != nil {
+		handler.rd.JSON(w, http.StatusInternalServerError, err.Error())
+		handler.config.RecoveryDurationGap = prevRecoveryDurationGap
+		return
+	}
+	log.Info("evict-slow-trend-scheduler update 'recovery-duration' - unit: s", zap.Uint64("prev", prevRecoveryDurationGap), zap.Uint64("cur", recoveryDurationGap))
+	handler.rd.JSON(w, http.StatusOK, "Config updated.")
+}
+
+func (handler *evictSlowTrendHandler) ListConfig(w http.ResponseWriter, r *http.Request) {
+	conf := handler.config.Clone()
+	handler.rd.JSON(w, http.StatusOK, conf)
+>>>>>>> 8b8c78a78 (scheduler: add aduit log for scheduler config API and add resp msg for evict-leader (#7674))
 }
 
 type evictSlowTrendScheduler struct {

pkg/schedule/schedulers/grant_leader.go

@@ -274,7 +274,7 @@ func (handler *grantLeaderHandler) UpdateConfig(w http.ResponseWriter, r *http.R
 		handler.rd.JSON(w, http.StatusInternalServerError, err.Error())
 		return
 	}
-	handler.rd.JSON(w, http.StatusOK, nil)
+	handler.rd.JSON(w, http.StatusOK, "The scheduler has been applied to the store.")
 }
 
 func (handler *grantLeaderHandler) ListConfig(w http.ResponseWriter, r *http.Request) {

server/api/router.go

@@ -85,10 +85,10 @@ func getFunctionName(f interface{}) string {
 // @BasePath       /pd/api/v1
 func createRouter(prefix string, svr *server.Server) *mux.Router {
 	serviceMiddle := newServiceMiddlewareBuilder(svr)
-	registerPrefix := func(router *mux.Router, prefixPath string,
+	registerPrefix := func(router *mux.Router, prefixPath, name string,
 		handleFunc func(http.ResponseWriter, *http.Request), opts ...createRouteOption) {
 		routeCreateFunc(router.PathPrefix(prefixPath), serviceMiddle.createHandler(handleFunc),
-			getFunctionName(handleFunc), opts...)
+			name, opts...)
 	}
 	registerFunc := func(router *mux.Router, path string,
 		handleFunc func(http.ResponseWriter, *http.Request), opts ...createRouteOption) {
@@ -148,7 +148,8 @@ func createRouter(prefix string, svr *server.Server) *mux.Router {
 	registerFunc(clusterRouter, "/schedulers/diagnostic/{name}", diagnosticHandler.GetDiagnosticResult, setMethods(http.MethodGet), setAuditBackend(prometheus))
 
 	schedulerConfigHandler := newSchedulerConfigHandler(svr, rd)
-	registerPrefix(apiRouter, "/scheduler-config", schedulerConfigHandler.GetSchedulerConfig, setAuditBackend(prometheus))
+	registerPrefix(apiRouter, "/scheduler-config", "HandleSchedulerConfig", schedulerConfigHandler.HandleSchedulerConfig, setMethods(http.MethodPost, http.MethodDelete, http.MethodPut, http.MethodPatch), setAuditBackend(localLog, prometheus))
+	registerPrefix(apiRouter, "/scheduler-config", "GetSchedulerConfig", schedulerConfigHandler.HandleSchedulerConfig, setMethods(http.MethodGet), setAuditBackend(prometheus))
 
 	clusterHandler := newClusterHandler(svr, rd)
 	registerFunc(apiRouter, "/cluster", clusterHandler.GetCluster, setMethods(http.MethodGet), setAuditBackend(prometheus))
@@ -363,9 +364,14 @@ func createRouter(prefix string, svr *server.Server) *mux.Router {
 	registerFunc(apiRouter, "/admin/reset-ts", tsoAdminHandler.ResetTS, setMethods(http.MethodPost), setAuditBackend(localLog, prometheus))
 
 	// API to set or unset failpoints
+<<<<<<< HEAD
 	failpoint.Inject("enableFailpointAPI", func() {
 		// this function will be named to "func2". It may be used in test
 		registerPrefix(apiRouter, "/fail", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+=======
+	if enableFailPointAPI {
+		registerPrefix(apiRouter, "/fail", "FailPoint", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+>>>>>>> 8b8c78a78 (scheduler: add aduit log for scheduler config API and add resp msg for evict-leader (#7674))
 			// The HTTP handler of failpoint requires the full path to be the failpoint path.
 			r.URL.Path = strings.TrimPrefix(r.URL.Path, prefix+apiPrefix+"/fail")
 			new(failpoint.HttpHandler).ServeHTTP(w, r)

server/api/scheduler.go

@@ -372,7 +372,7 @@ func newSchedulerConfigHandler(svr *server.Server, rd *render.Render) *scheduler
 	}
 }
 
-func (h *schedulerConfigHandler) GetSchedulerConfig(w http.ResponseWriter, r *http.Request) {
+func (h *schedulerConfigHandler) HandleSchedulerConfig(w http.ResponseWriter, r *http.Request) {
 	handler := h.svr.GetHandler()
 	sh, err := handler.GetSchedulerConfigHandler()
 	if err == nil && sh != nil {

server/api/server_test.go

@@ -171,9 +171,18 @@ func (suite *serviceTestSuite) TestServiceLabels() {
 	suite.Equal("Profile", serviceLabel)
 
 	accessPaths = suite.svr.GetServiceLabels("GetSchedulerConfig")
+<<<<<<< HEAD
 	suite.Len(accessPaths, 1)
 	suite.Equal("/pd/api/v1/scheduler-config", accessPaths[0].Path)
 	suite.Equal("", accessPaths[0].Method)
+=======
+	re.Len(accessPaths, 1)
+	re.Equal("/pd/api/v1/scheduler-config", accessPaths[0].Path)
+	re.Equal("GET", accessPaths[0].Method)
+	accessPaths = suite.svr.GetServiceLabels("HandleSchedulerConfig")
+	re.Len(accessPaths, 4)
+	re.Equal("/pd/api/v1/scheduler-config", accessPaths[0].Path)
+>>>>>>> 8b8c78a78 (scheduler: add aduit log for scheduler config API and add resp msg for evict-leader (#7674))
 
 	accessPaths = suite.svr.GetServiceLabels("ResignLeader")
 	suite.Len(accessPaths, 1)