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balance_plan_test.go
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balance_plan_test.go
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// Copyright 2022 TiKV Project 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 plan
import (
"context"
"testing"
"github.com/pingcap/kvproto/pkg/metapb"
"github.com/stretchr/testify/suite"
"github.com/tikv/pd/pkg/core"
)
type balanceSchedulerPlanAnalyzeTestSuite struct {
suite.Suite
stores []*core.StoreInfo
regions []*core.RegionInfo
check func(map[uint64]Status, map[uint64]*Status) bool
ctx context.Context
cancel context.CancelFunc
}
func TestBalanceSchedulerPlanAnalyzerTestSuite(t *testing.T) {
suite.Run(t, new(balanceSchedulerPlanAnalyzeTestSuite))
}
func (suite *balanceSchedulerPlanAnalyzeTestSuite) SetupSuite() {
suite.ctx, suite.cancel = context.WithCancel(context.Background())
suite.check = func(output map[uint64]Status, expects map[uint64]*Status) bool {
for id, Status := range expects {
outputStatus, ok := output[id]
if !ok {
return false
}
if outputStatus != *Status {
return false
}
}
return true
}
suite.stores = []*core.StoreInfo{
core.NewStoreInfo(
&metapb.Store{
Id: 1,
},
),
core.NewStoreInfo(
&metapb.Store{
Id: 2,
},
),
core.NewStoreInfo(
&metapb.Store{
Id: 3,
},
),
core.NewStoreInfo(
&metapb.Store{
Id: 4,
},
),
core.NewStoreInfo(
&metapb.Store{
Id: 5,
},
),
}
suite.regions = []*core.RegionInfo{
core.NewRegionInfo(
&metapb.Region{
Id: 1,
},
&metapb.Peer{
Id: 1,
StoreId: 1,
},
),
core.NewRegionInfo(
&metapb.Region{
Id: 2,
},
&metapb.Peer{
Id: 2,
StoreId: 2,
},
),
core.NewRegionInfo(
&metapb.Region{
Id: 3,
},
&metapb.Peer{
Id: 3,
StoreId: 3,
},
),
}
}
func (suite *balanceSchedulerPlanAnalyzeTestSuite) TearDownSuite() {
suite.cancel()
}
func (suite *balanceSchedulerPlanAnalyzeTestSuite) TestAnalyzerResult1() {
re := suite.Require()
plans := make([]Plan, 0)
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[4], Step: 2, Target: suite.stores[0], Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[4], Step: 2, Target: suite.stores[1], Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[4], Step: 2, Target: suite.stores[2], Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[4], Step: 2, Target: suite.stores[3], Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[4], Step: 2, Target: suite.stores[4], Status: NewStatus(StatusStoreAlreadyHasPeer)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[3], Step: 2, Target: suite.stores[0], Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[3], Step: 2, Target: suite.stores[1], Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[3], Step: 2, Target: suite.stores[2], Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[3], Step: 2, Target: suite.stores[3], Status: NewStatus(StatusStoreAlreadyHasPeer)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[3], Step: 2, Target: suite.stores[4], Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[2], Step: 2, Target: suite.stores[0], Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[2], Step: 2, Target: suite.stores[1], Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[2], Step: 2, Target: suite.stores[2], Status: NewStatus(StatusStoreAlreadyHasPeer)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[2], Step: 2, Target: suite.stores[3], Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[2], Step: 2, Target: suite.stores[4], Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Step: 2, Target: suite.stores[0], Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Step: 2, Target: suite.stores[1], Status: NewStatus(StatusStoreAlreadyHasPeer)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Step: 2, Target: suite.stores[2], Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Step: 2, Target: suite.stores[3], Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Step: 2, Target: suite.stores[4], Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Step: 2, Target: suite.stores[0], Status: NewStatus(StatusStoreAlreadyHasPeer)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Step: 2, Target: suite.stores[1], Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Step: 2, Target: suite.stores[2], Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Step: 2, Target: suite.stores[3], Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Step: 2, Target: suite.stores[4], Status: NewStatus(StatusStoreScoreDisallowed)})
statuses, isNormal, err := BalancePlanSummary(plans)
re.NoError(err)
re.True(isNormal)
re.True(suite.check(statuses,
map[uint64]*Status{
1: NewStatus(StatusStoreNotMatchRule),
2: NewStatus(StatusStoreNotMatchRule),
3: NewStatus(StatusStoreNotMatchRule),
4: NewStatus(StatusStoreNotMatchRule),
5: NewStatus(StatusStoreNotMatchRule),
}))
}
func (suite *balanceSchedulerPlanAnalyzeTestSuite) TestAnalyzerResult2() {
re := suite.Require()
plans := make([]Plan, 0)
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[4], Step: 0, Status: NewStatus(StatusStoreDown)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[3], Step: 0, Status: NewStatus(StatusStoreDown)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[2], Step: 0, Status: NewStatus(StatusStoreDown)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Step: 0, Status: NewStatus(StatusStoreDown)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Step: 0, Status: NewStatus(StatusStoreDown)})
statuses, isNormal, err := BalancePlanSummary(plans)
re.NoError(err)
re.False(isNormal)
re.True(suite.check(statuses,
map[uint64]*Status{
1: NewStatus(StatusStoreDown),
2: NewStatus(StatusStoreDown),
3: NewStatus(StatusStoreDown),
4: NewStatus(StatusStoreDown),
5: NewStatus(StatusStoreDown),
}))
}
func (suite *balanceSchedulerPlanAnalyzeTestSuite) TestAnalyzerResult3() {
re := suite.Require()
plans := make([]Plan, 0)
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[4], Step: 0, Status: NewStatus(StatusStoreDown)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[3], Region: suite.regions[0], Step: 1, Status: NewStatus(StatusRegionNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[2], Region: suite.regions[0], Step: 1, Status: NewStatus(StatusRegionNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Region: suite.regions[1], Step: 1, Status: NewStatus(StatusRegionNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Region: suite.regions[1], Step: 1, Status: NewStatus(StatusRegionNotMatchRule)})
statuses, isNormal, err := BalancePlanSummary(plans)
re.NoError(err)
re.False(isNormal)
re.True(suite.check(statuses,
map[uint64]*Status{
1: NewStatus(StatusRegionNotMatchRule),
2: NewStatus(StatusRegionNotMatchRule),
3: NewStatus(StatusRegionNotMatchRule),
4: NewStatus(StatusRegionNotMatchRule),
}))
}
func (suite *balanceSchedulerPlanAnalyzeTestSuite) TestAnalyzerResult4() {
re := suite.Require()
plans := make([]Plan, 0)
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[4], Step: 0, Status: NewStatus(StatusStoreDown)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[3], Region: suite.regions[0], Step: 1, Status: NewStatus(StatusRegionNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[2], Region: suite.regions[0], Step: 1, Status: NewStatus(StatusRegionNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Target: suite.stores[0], Step: 2, Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Target: suite.stores[1], Step: 2, Status: NewStatus(StatusStoreAlreadyHasPeer)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Target: suite.stores[2], Step: 2, Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Target: suite.stores[3], Step: 2, Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Target: suite.stores[4], Step: 2, Status: NewStatus(StatusStoreDown)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Target: suite.stores[0], Step: 2, Status: NewStatus(StatusStoreAlreadyHasPeer)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Target: suite.stores[1], Step: 2, Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Target: suite.stores[2], Step: 2, Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Target: suite.stores[3], Step: 2, Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Target: suite.stores[4], Step: 2, Status: NewStatus(StatusStoreDown)})
statuses, isNormal, err := BalancePlanSummary(plans)
re.NoError(err)
re.False(isNormal)
re.True(suite.check(statuses,
map[uint64]*Status{
1: NewStatus(StatusStoreAlreadyHasPeer),
2: NewStatus(StatusStoreAlreadyHasPeer),
3: NewStatus(StatusStoreNotMatchRule),
4: NewStatus(StatusStoreNotMatchRule),
5: NewStatus(StatusStoreDown),
}))
}
func (suite *balanceSchedulerPlanAnalyzeTestSuite) TestAnalyzerResult5() {
re := suite.Require()
plans := make([]Plan, 0)
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[4], Step: 0, Status: NewStatus(StatusStoreRemoveLimitThrottled)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[3], Region: suite.regions[0], Step: 1, Status: NewStatus(StatusRegionNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[2], Region: suite.regions[0], Step: 1, Status: NewStatus(StatusRegionNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Target: suite.stores[0], Step: 2, Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Target: suite.stores[1], Step: 2, Status: NewStatus(StatusStoreAlreadyHasPeer)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Target: suite.stores[2], Step: 2, Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[1], Target: suite.stores[3], Step: 2, Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Target: suite.stores[0], Step: 2, Status: NewStatus(StatusStoreAlreadyHasPeer)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Target: suite.stores[1], Step: 3, Status: NewStatus(StatusStoreScoreDisallowed)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Target: suite.stores[2], Step: 2, Status: NewStatus(StatusStoreNotMatchRule)})
plans = append(plans, &BalanceSchedulerPlan{Source: suite.stores[0], Target: suite.stores[3], Step: 2, Status: NewStatus(StatusStoreNotMatchRule)})
statuses, isNormal, err := BalancePlanSummary(plans)
re.NoError(err)
re.False(isNormal)
re.True(suite.check(statuses,
map[uint64]*Status{
1: NewStatus(StatusStoreAlreadyHasPeer),
2: NewStatus(StatusStoreAlreadyHasPeer),
3: NewStatus(StatusStoreNotMatchRule),
4: NewStatus(StatusStoreNotMatchRule),
5: NewStatus(StatusStoreRemoveLimitThrottled),
}))
}
func (suite *balanceSchedulerPlanAnalyzeTestSuite) TestAnalyzerResult6() {
re := suite.Require()
basePlan := NewBalanceSchedulerPlan()
collector := NewCollector(basePlan)
collector.Collect(SetResourceWithStep(suite.stores[0], 2), SetStatus(NewStatus(StatusStoreDown)))
collector.Collect(SetResourceWithStep(suite.stores[1], 2), SetStatus(NewStatus(StatusStoreDown)))
collector.Collect(SetResourceWithStep(suite.stores[2], 2), SetStatus(NewStatus(StatusStoreDown)))
collector.Collect(SetResourceWithStep(suite.stores[3], 2), SetStatus(NewStatus(StatusStoreDown)))
collector.Collect(SetResourceWithStep(suite.stores[4], 2), SetStatus(NewStatus(StatusStoreDown)))
basePlan.Source = suite.stores[0]
basePlan.Step++
collector.Collect(SetResource(suite.regions[0]), SetStatus(NewStatus(StatusRegionNoLeader)))
statuses, isNormal, err := BalancePlanSummary(collector.GetPlans())
re.NoError(err)
re.False(isNormal)
re.True(suite.check(statuses,
map[uint64]*Status{
1: NewStatus(StatusStoreDown),
2: NewStatus(StatusStoreDown),
3: NewStatus(StatusStoreDown),
4: NewStatus(StatusStoreDown),
5: NewStatus(StatusStoreDown),
}))
}