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scheduler: skip evict-leader-scheduler when setting schedule deny lab…
…el (#8303) ref #7300, close #7853 - add a real cluster test to test `skip evict-leader-scheduler when setting schedule deny label` - add `DeleteStoreLabel` API and `DeleteScheduler` API Signed-off-by: okJiang <819421878@qq.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -26,3 +26,4 @@ coverage | |
| *.txt | ||
| go.work* | ||
| embedded_assets_handler.go | ||
| *.log | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| [schedule] | ||
| patrol-region-interval = "100ms" | ||
|
|
||
| [log] | ||
| level = "debug" |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,188 @@ | ||
| // Copyright 2024 TiKV Authors | ||
| // | ||
| // 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 realcluster | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "sort" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
| pd "github.com/tikv/pd/client/http" | ||
| "github.com/tikv/pd/client/testutil" | ||
| "github.com/tikv/pd/pkg/schedule/labeler" | ||
| "github.com/tikv/pd/pkg/schedule/schedulers" | ||
| ) | ||
|
|
||
| // https://github.com/tikv/pd/issues/6988#issuecomment-1694924611 | ||
| // https://github.com/tikv/pd/issues/6897 | ||
| func TestTransferLeader(t *testing.T) { | ||
| re := require.New(t) | ||
| ctx, cancel := context.WithCancel(context.Background()) | ||
| defer cancel() | ||
|
|
||
| resp, err := pdHTTPCli.GetLeader(ctx) | ||
| re.NoError(err) | ||
| oldLeader := resp.Name | ||
|
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||
| var newLeader string | ||
| for i := 0; i < 2; i++ { | ||
| if resp.Name != fmt.Sprintf("pd-%d", i) { | ||
| newLeader = fmt.Sprintf("pd-%d", i) | ||
| } | ||
| } | ||
|
|
||
| // record scheduler | ||
| re.NoError(pdHTTPCli.CreateScheduler(ctx, schedulers.EvictLeaderName, 1)) | ||
| defer func() { | ||
| re.NoError(pdHTTPCli.DeleteScheduler(ctx, schedulers.EvictLeaderName)) | ||
| }() | ||
| res, err := pdHTTPCli.GetSchedulers(ctx) | ||
| re.NoError(err) | ||
| oldSchedulersLen := len(res) | ||
|
|
||
| re.NoError(pdHTTPCli.TransferLeader(ctx, newLeader)) | ||
| // wait for transfer leader to new leader | ||
| time.Sleep(1 * time.Second) | ||
| resp, err = pdHTTPCli.GetLeader(ctx) | ||
| re.NoError(err) | ||
| re.Equal(newLeader, resp.Name) | ||
|
|
||
| res, err = pdHTTPCli.GetSchedulers(ctx) | ||
| re.NoError(err) | ||
| re.Len(res, oldSchedulersLen) | ||
|
|
||
| // transfer leader to old leader | ||
| re.NoError(pdHTTPCli.TransferLeader(ctx, oldLeader)) | ||
| // wait for transfer leader | ||
| time.Sleep(1 * time.Second) | ||
| resp, err = pdHTTPCli.GetLeader(ctx) | ||
| re.NoError(err) | ||
| re.Equal(oldLeader, resp.Name) | ||
|
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| res, err = pdHTTPCli.GetSchedulers(ctx) | ||
| re.NoError(err) | ||
| re.Len(res, oldSchedulersLen) | ||
| } | ||
|
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| func TestRegionLabelDenyScheduler(t *testing.T) { | ||
| re := require.New(t) | ||
| ctx, cancel := context.WithCancel(context.Background()) | ||
| defer cancel() | ||
|
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| regions, err := pdHTTPCli.GetRegions(ctx) | ||
| re.NoError(err) | ||
| re.GreaterOrEqual(len(regions.Regions), 1) | ||
| region1 := regions.Regions[0] | ||
|
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| err = pdHTTPCli.DeleteScheduler(ctx, schedulers.BalanceLeaderName) | ||
| if err == nil { | ||
| defer func() { | ||
| pdHTTPCli.CreateScheduler(ctx, schedulers.BalanceLeaderName, 0) | ||
| }() | ||
| } | ||
|
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||
| re.NoError(pdHTTPCli.CreateScheduler(ctx, schedulers.GrantLeaderName, uint64(region1.Leader.StoreID))) | ||
| defer func() { | ||
| pdHTTPCli.DeleteScheduler(ctx, schedulers.GrantLeaderName) | ||
| }() | ||
|
|
||
| // wait leader transfer | ||
| testutil.Eventually(re, func() bool { | ||
| regions, err := pdHTTPCli.GetRegions(ctx) | ||
| re.NoError(err) | ||
| for _, region := range regions.Regions { | ||
| if region.Leader.StoreID != region1.Leader.StoreID { | ||
| return false | ||
| } | ||
| } | ||
| return true | ||
| }, testutil.WithWaitFor(time.Minute)) | ||
|
|
||
| // disable schedule for region1 | ||
| labelRule := &pd.LabelRule{ | ||
| ID: "rule1", | ||
| Labels: []pd.RegionLabel{{Key: "schedule", Value: "deny"}}, | ||
| RuleType: "key-range", | ||
| Data: labeler.MakeKeyRanges(region1.StartKey, region1.EndKey), | ||
| } | ||
| re.NoError(pdHTTPCli.SetRegionLabelRule(ctx, labelRule)) | ||
| defer func() { | ||
| pdHTTPCli.PatchRegionLabelRules(ctx, &pd.LabelRulePatch{DeleteRules: []string{labelRule.ID}}) | ||
| }() | ||
| labelRules, err := pdHTTPCli.GetAllRegionLabelRules(ctx) | ||
| re.NoError(err) | ||
| re.Len(labelRules, 2) | ||
| sort.Slice(labelRules, func(i, j int) bool { | ||
| return labelRules[i].ID < labelRules[j].ID | ||
| }) | ||
| re.Equal(labelRule.ID, labelRules[1].ID) | ||
| re.Equal(labelRule.Labels, labelRules[1].Labels) | ||
| re.Equal(labelRule.RuleType, labelRules[1].RuleType) | ||
|
|
||
| // enable evict leader scheduler, and check it works | ||
| re.NoError(pdHTTPCli.DeleteScheduler(ctx, schedulers.GrantLeaderName)) | ||
| re.NoError(pdHTTPCli.CreateScheduler(ctx, schedulers.EvictLeaderName, uint64(region1.Leader.StoreID))) | ||
| defer func() { | ||
| pdHTTPCli.DeleteScheduler(ctx, schedulers.EvictLeaderName) | ||
| }() | ||
| testutil.Eventually(re, func() bool { | ||
| regions, err := pdHTTPCli.GetRegions(ctx) | ||
| re.NoError(err) | ||
| for _, region := range regions.Regions { | ||
| if region.Leader.StoreID == region1.Leader.StoreID { | ||
| return false | ||
| } | ||
| } | ||
| return true | ||
| }, testutil.WithWaitFor(time.Minute)) | ||
|
|
||
| re.NoError(pdHTTPCli.DeleteScheduler(ctx, schedulers.EvictLeaderName)) | ||
| re.NoError(pdHTTPCli.CreateScheduler(ctx, schedulers.GrantLeaderName, uint64(region1.Leader.StoreID))) | ||
| defer func() { | ||
| pdHTTPCli.DeleteScheduler(ctx, schedulers.GrantLeaderName) | ||
| }() | ||
| testutil.Eventually(re, func() bool { | ||
| regions, err := pdHTTPCli.GetRegions(ctx) | ||
| re.NoError(err) | ||
| for _, region := range regions.Regions { | ||
| if region.ID == region1.ID { | ||
| continue | ||
| } | ||
| if region.Leader.StoreID != region1.Leader.StoreID { | ||
| return false | ||
| } | ||
| } | ||
| return true | ||
| }, testutil.WithWaitFor(time.Minute)) | ||
|
|
||
| pdHTTPCli.PatchRegionLabelRules(ctx, &pd.LabelRulePatch{DeleteRules: []string{labelRule.ID}}) | ||
| labelRules, err = pdHTTPCli.GetAllRegionLabelRules(ctx) | ||
| re.NoError(err) | ||
| re.Len(labelRules, 1) | ||
|
|
||
| testutil.Eventually(re, func() bool { | ||
| regions, err := pdHTTPCli.GetRegions(ctx) | ||
| re.NoError(err) | ||
| for _, region := range regions.Regions { | ||
| if region.Leader.StoreID != region1.Leader.StoreID { | ||
| return false | ||
| } | ||
| } | ||
| return true | ||
| }, testutil.WithWaitFor(time.Minute)) | ||
| } |
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