resolve the conflicts

Signed-off-by: Ryan Leung <[email protected]>
ti-chi-bot · Sep 24, 2024 · d686da8 · d686da8
1 parent ea584cb
commit d686da8
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Showing 5 changed files with 76 additions and 989 deletions.
diff --git a/pkg/schedule/schedulers/evict_leader.go b/pkg/schedule/schedulers/evict_leader.go
@@ -74,6 +74,9 @@ func (conf *evictLeaderSchedulerConfig) getStores() []uint64 {
 }
 
 func (conf *evictLeaderSchedulerConfig) BuildWithArgs(args []string) error {
+	failpoint.Inject("buildWithArgsErr", func() {
+		failpoint.Return(errors.New("fail to build with args"))
+	})
 	if len(args) != 1 {
 		return errs.ErrSchedulerConfig.FastGenByArgs("id")
 	}
@@ -144,25 +147,7 @@ func (conf *evictLeaderSchedulerConfig) removeStore(id uint64) (succ bool, last
 		succ = true
 		last = len(conf.StoreIDWithRanges) == 0
 	}
-<<<<<<< HEAD
 	return succ, last
-=======
-	return false, errs.ErrScheduleConfigNotExist.FastGenByArgs()
-}
-
-func (conf *evictLeaderSchedulerConfig) removeStore(id uint64) {
-	conf.Lock()
-	defer conf.Unlock()
-	// if the store is not existed, no need to resume leader transfer
-	_, _ = conf.removeStoreLocked(id)
-}
-
-func (conf *evictLeaderSchedulerConfig) resetStoreLocked(id uint64, keyRange []core.KeyRange) {
-	if err := conf.cluster.PauseLeaderTransfer(id); err != nil {
-		log.Error("pause leader transfer failed", zap.Uint64("store-id", id), errs.ZapError(err))
-	}
-	conf.StoreIDWithRanges[id] = keyRange
->>>>>>> 6b927e117 (*: reset config if the input is invalid  (#8632))
 }
 
 func (conf *evictLeaderSchedulerConfig) resetStore(id uint64, keyRange []core.KeyRange) {
@@ -399,7 +384,6 @@ func (handler *evictLeaderHandler) UpdateConfig(w http.ResponseWriter, r *http.R
 	var id uint64
 	idFloat, ok := input["store_id"].(float64)
 	if ok {
-<<<<<<< HEAD
 		id = (uint64)(idFloat)
 		handler.config.mu.RLock()
 		if _, exists = handler.config.StoreIDWithRanges[id]; !exists {
@@ -408,46 +392,27 @@ func (handler *evictLeaderHandler) UpdateConfig(w http.ResponseWriter, r *http.R
 				handler.rd.JSON(w, http.StatusInternalServerError, err.Error())
 				return
 			}
-=======
-		if batchFloat < 1 || batchFloat > 10 {
-			handler.config.removeStore(id)
-			handler.rd.JSON(w, http.StatusBadRequest, "batch is invalid, it should be in [1, 10]")
-			return
->>>>>>> 6b927e117 (*: reset config if the input is invalid  (#8632))
 		}
 		handler.config.mu.RUnlock()
 		args = append(args, strconv.FormatUint(id, 10))
 	}
 
 	ranges, ok := (input["ranges"]).([]string)
 	if ok {
-<<<<<<< HEAD
 		args = append(args, ranges...)
 	} else if exists {
 		args = append(args, handler.config.getRanges(id)...)
 	}
 
-	handler.config.BuildWithArgs(args)
-	err := handler.config.Persist()
-=======
-		if !inputHasStoreID {
-			handler.config.removeStore(id)
-			handler.rd.JSON(w, http.StatusInternalServerError, errs.ErrSchedulerConfig.FastGenByArgs("id"))
-			return
-		}
-	} else if exist {
-		ranges = handler.config.getRanges(id)
-	}
-
-	newRanges, err = getKeyRanges(ranges)
+	err := handler.config.BuildWithArgs(args)
 	if err != nil {
-		handler.config.removeStore(id)
-		handler.rd.JSON(w, http.StatusInternalServerError, err.Error())
+		handler.config.mu.Lock()
+		handler.config.cluster.ResumeLeaderTransfer(id)
+		handler.config.mu.Unlock()
+		handler.rd.JSON(w, http.StatusBadRequest, err.Error())
 		return
 	}
-
-	err = handler.config.update(id, newRanges, batch)
->>>>>>> 6b927e117 (*: reset config if the input is invalid  (#8632))
+	err = handler.config.Persist()
 	if err != nil {
 		handler.config.removeStore(id)
 		handler.rd.JSON(w, http.StatusInternalServerError, err.Error())

diff --git a/pkg/schedule/schedulers/grant_leader.go b/pkg/schedule/schedulers/grant_leader.go
@@ -287,20 +287,17 @@ func (handler *grantLeaderHandler) UpdateConfig(w http.ResponseWriter, r *http.R
 		args = append(args, handler.config.getRanges(id)...)
 	}
 
-<<<<<<< HEAD
-	handler.config.BuildWithArgs(args)
-	err := handler.config.Persist()
-=======
-	err := handler.config.buildWithArgs(args)
+	err := handler.config.BuildWithArgs(args)
 	if err != nil {
-		_, _ = handler.config.removeStore(id)
+		handler.config.mu.Lock()
+		handler.config.cluster.ResumeLeaderTransfer(id)
+		handler.config.mu.Unlock()
 		handler.rd.JSON(w, http.StatusBadRequest, err.Error())
 		return
 	}
-	err = handler.config.persist()
->>>>>>> 6b927e117 (*: reset config if the input is invalid  (#8632))
+	err = handler.config.Persist()
 	if err != nil {
-		_, _ = handler.config.removeStore(id)
+		handler.config.removeStore(id)
 		handler.rd.JSON(w, http.StatusInternalServerError, err.Error())
 		return
 	}

diff --git a/plugin/scheduler_example/evict_leader.go b/plugin/scheduler_example/evict_leader.go
@@ -275,20 +275,17 @@ func (handler *evictLeaderHandler) UpdateConfig(w http.ResponseWriter, r *http.R
 		args = append(args, handler.config.getRanges(id)...)
 	}
 
-<<<<<<< HEAD
-	handler.config.BuildWithArgs(args)
-	err := handler.config.Persist()
-=======
 	err := handler.config.BuildWithArgs(args)
 	if err != nil {
 		handler.config.mu.Lock()
+		delete(handler.config.StoreIDWitRanges, id)
 		handler.config.cluster.ResumeLeaderTransfer(id)
 		handler.config.mu.Unlock()
 		handler.rd.JSON(w, http.StatusBadRequest, err.Error())
 		return
 	}
+
 	err = handler.config.Persist()
->>>>>>> 6b927e117 (*: reset config if the input is invalid  (#8632))
 	if err != nil {
 		handler.config.mu.Lock()
 		delete(handler.config.StoreIDWitRanges, id)
@@ -314,7 +311,6 @@ func (handler *evictLeaderHandler) DeleteConfig(w http.ResponseWriter, r *http.R
 
 	handler.config.mu.Lock()
 	defer handler.config.mu.Unlock()
-<<<<<<< HEAD
 	_, exists := handler.config.StoreIDWitRanges[id]
 	if exists {
 		delete(handler.config.StoreIDWitRanges, id)
@@ -333,27 +329,6 @@ func (handler *evictLeaderHandler) DeleteConfig(w http.ResponseWriter, r *http.R
 	}
 
 	handler.rd.JSON(w, http.StatusInternalServerError, errors.New("the config does not exist"))
-=======
-	ranges, exists := handler.config.StoreIDWitRanges[id]
-	if !exists {
-		handler.rd.JSON(w, http.StatusInternalServerError, errors.New("the config does not exist"))
-		return
-	}
-	delete(handler.config.StoreIDWitRanges, id)
-	handler.config.cluster.ResumeLeaderTransfer(id)
-
-	if err := handler.config.Persist(); err != nil {
-		handler.config.StoreIDWitRanges[id] = ranges
-		_ = handler.config.cluster.PauseLeaderTransfer(id)
-		handler.rd.JSON(w, http.StatusInternalServerError, err.Error())
-		return
-	}
-	var resp any
-	if len(handler.config.StoreIDWitRanges) == 0 {
-		resp = noStoreInSchedulerInfo
-	}
-	handler.rd.JSON(w, http.StatusOK, resp)
->>>>>>> 6b927e117 (*: reset config if the input is invalid  (#8632))
 }
 
 func newEvictLeaderHandler(config *evictLeaderSchedulerConfig) http.Handler {

diff --git a/tests/pdctl/scheduler/scheduler_test.go b/tests/pdctl/scheduler/scheduler_test.go
@@ -20,6 +20,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/pingcap/failpoint"
 	"github.com/pingcap/kvproto/pkg/metapb"
 	"github.com/spf13/cobra"
 	"github.com/stretchr/testify/require"
@@ -584,3 +585,61 @@ func TestForwardSchedulerRequest(t *testing.T) {
 		"balance-leader-scheduler",
 	})
 }
+
+func TestEvictLeaderScheduler(t *testing.T) {
+	re := require.New(t)
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	cluster, err := tests.NewTestCluster(ctx, 1)
+	re.NoError(err)
+	defer cluster.Destroy()
+	err = cluster.RunInitialServers()
+	re.NoError(err)
+	cluster.WaitLeader()
+	pdAddr := cluster.GetConfig().GetClientURL()
+	cmd := pdctlCmd.GetRootCmd()
+
+	stores := []*metapb.Store{
+		{
+			Id:            1,
+			State:         metapb.StoreState_Up,
+			LastHeartbeat: time.Now().UnixNano(),
+		},
+		{
+			Id:            2,
+			State:         metapb.StoreState_Up,
+			LastHeartbeat: time.Now().UnixNano(),
+		},
+		{
+			Id:            3,
+			State:         metapb.StoreState_Up,
+			LastHeartbeat: time.Now().UnixNano(),
+		},
+		{
+			Id:            4,
+			State:         metapb.StoreState_Up,
+			LastHeartbeat: time.Now().UnixNano(),
+		},
+	}
+	leaderServer := cluster.GetServer(cluster.GetLeader())
+	re.NoError(leaderServer.BootstrapCluster())
+	for _, store := range stores {
+		tests.MustPutStore(re, cluster, store)
+	}
+
+	tests.MustPutRegion(re, cluster, 1, 1, []byte("a"), []byte("b"))
+	output, err := pdctl.ExecuteCommand(cmd, []string{"-u", pdAddr, "scheduler", "add", "evict-leader-scheduler", "2"}...)
+	re.NoError(err)
+	re.Contains(string(output), "Success!")
+	failpoint.Enable("github.com/tikv/pd/pkg/schedule/schedulers/buildWithArgsErr", "return(true)")
+	output, err = pdctl.ExecuteCommand(cmd, []string{"-u", pdAddr, "scheduler", "add", "evict-leader-scheduler", "1"}...)
+	re.NoError(err)
+	re.Contains(string(output), "fail to build with args")
+	failpoint.Disable("github.com/tikv/pd/pkg/schedule/schedulers/buildWithArgsErr")
+	output, err = pdctl.ExecuteCommand(cmd, []string{"-u", pdAddr, "scheduler", "remove", "evict-leader-scheduler"}...)
+	re.NoError(err)
+	re.Contains(string(output), "Success!")
+	output, err = pdctl.ExecuteCommand(cmd, []string{"-u", pdAddr, "scheduler", "add", "evict-leader-scheduler", "1"}...)
+	re.NoError(err)
+	re.Contains(string(output), "Success!")
+}