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predefine.go
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/
predefine.go
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// Copyright 2024 Matrix Origin
//
// 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 predefine
import (
"encoding/json"
"fmt"
"time"
"github.com/matrixorigin/matrixone/pkg/catalog"
"github.com/matrixorigin/matrixone/pkg/pb/task"
"github.com/matrixorigin/matrixone/pkg/util/export"
"github.com/matrixorigin/matrixone/pkg/util/metric/mometric"
"github.com/robfig/cron/v3"
)
// genInitCronTaskSQL Generate `insert` statement for creating system cron tasks, which works on the `mo_task`.`sys_cron_task` table.
func GenInitCronTaskSQL() (string, error) {
cronParser := cron.NewParser(
cron.Second |
cron.Minute |
cron.Hour |
cron.Dom |
cron.Month |
cron.Dow |
cron.Descriptor)
createCronTask := func(value task.TaskMetadata, cronExpr string) (*task.CronTask, error) {
sche, err := cronParser.Parse(cronExpr)
if err != nil {
return nil, err
}
now := time.Now().UnixMilli()
next := sche.Next(time.UnixMilli(now))
return &task.CronTask{
Metadata: value,
CronExpr: cronExpr,
NextTime: next.UnixMilli(),
TriggerTimes: 0,
CreateAt: now,
UpdateAt: now,
}, nil
}
cronTasks := make([]*task.CronTask, 0, 2)
task1, err := createCronTask(export.MergeTaskMetadata(task.TaskCode_MetricLogMerge), export.MergeTaskCronExprEvery05Min)
if err != nil {
return "", err
}
cronTasks = append(cronTasks, task1)
task2, err := createCronTask(mometric.TaskMetadata(mometric.StorageUsageCronTask, task.TaskCode_MetricStorageUsage), mometric.StorageUsageTaskCronExpr)
if err != nil {
return "", err
}
cronTasks = append(cronTasks, task2)
sql := fmt.Sprintf(`insert into %s.sys_cron_task (
task_metadata_id,
task_metadata_executor,
task_metadata_context,
task_metadata_option,
cron_expr,
next_time,
trigger_times,
create_at,
update_at
) values `, catalog.MOTaskDB)
for i, t := range cronTasks {
j, err := json.Marshal(t.Metadata.Options)
if err != nil {
return "", err
}
if i == 0 {
sql += fmt.Sprintf("('%s' ,%d ,'%s' ,'%s' ,'%s' ,%d ,%d ,%d ,%d)",
t.Metadata.ID,
t.Metadata.Executor,
t.Metadata.Context,
string(j),
t.CronExpr,
t.NextTime,
t.TriggerTimes,
t.CreateAt,
t.UpdateAt)
} else {
sql += fmt.Sprintf(",('%s' ,%d ,'%s' ,'%s' ,'%s' ,%d ,%d ,%d ,%d)",
t.Metadata.ID,
t.Metadata.Executor,
t.Metadata.Context,
string(j),
t.CronExpr,
t.NextTime,
t.TriggerTimes,
t.CreateAt,
t.UpdateAt)
}
}
return sql, nil
}