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job.go
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job.go
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package service
import (
"fmt"
"github.com/coreos/etcd/clientv3"
"github.com/tmnhs/crony/admin/internal/model/request"
"github.com/tmnhs/crony/admin/internal/model/resp"
"github.com/tmnhs/crony/common/models"
"github.com/tmnhs/crony/common/pkg/dbclient"
"github.com/tmnhs/crony/common/pkg/etcdclient"
"github.com/tmnhs/crony/common/pkg/logger"
"github.com/tmnhs/crony/common/pkg/utils"
"time"
)
type JobService struct {
}
var DefaultJobService = new(JobService)
func (j *JobService) Search(s *request.ReqJobSearch) ([]models.Job, int64, error) {
db := dbclient.GetMysqlDB().Table(models.CronyJobTableName)
if s.ID > 0 {
db = db.Where("id = ?", s.ID)
}
if len(s.Name) > 0 {
db = db.Where("name like ?", s.Name+"%")
}
if len(s.RunOn) > 0 {
db.Where("run_on = ?", s.RunOn)
}
if s.Type > 0 {
db.Where("type = ?", s.Type)
}
if s.Status > 0 {
db.Where("status = ? ", s.Status)
}
jobs := make([]models.Job, 2)
var total int64
err := db.Count(&total).Error
if err != nil {
return nil, 0, err
}
err = db.Limit(s.PageSize).Offset((s.Page - 1) * s.PageSize).Find(&jobs).Error
if err != nil {
return nil, 0, err
}
return jobs, total, nil
}
func (j *JobService) SearchJobLog(s *request.ReqJobLogSearch) ([]models.JobLog, int64, error) {
db := dbclient.GetMysqlDB().Table(models.CronyJobLogTableName)
if len(s.Name) > 0 {
db = db.Where("name like ?", s.Name+"%")
}
if s.JobId > 0 {
db.Where("job_id = ?", s.JobId)
}
if len(s.NodeUUID) > 0 {
db.Where("node_uuid = ?", s.NodeUUID)
}
if s.Success != nil {
db.Where("success = ? ", *s.Success)
}
jobLogs := make([]models.JobLog, 2)
var total int64
err := db.Count(&total).Error
if err != nil {
return nil, 0, err
}
err = db.Limit(s.PageSize).Offset((s.Page - 1) * s.PageSize).Order("start_time desc").Find(&jobLogs).Error
if err != nil {
return nil, 0, err
}
return jobLogs, total, nil
}
//Get the total number of tasks executed today 1 indicates success 0 indicates failure
func (j *JobService) GetTodayJobExcCount(success int) (int64, error) {
db := dbclient.GetMysqlDB().Table(models.CronyJobLogTableName).Where("start_time > ? and end_time!=0 and success = ?", utils.GetTodayUnix(), success)
var total int64
err := db.Count(&total).Error
if err != nil {
return 0, err
}
return total, nil
}
//The number of tasks per day in a certain period of time
func (j *JobService) GetJobExcCount(start, end int64, success int) ([]resp.DateCount, error) {
var dateCount []resp.DateCount
db := dbclient.GetMysqlDB().Table(models.CronyJobLogTableName).Select("FROM_UNIXTIME( start_time, '%Y-%m-%d' ) AS date", "COUNT( * ) AS count ").Group("date").Order("date ASC").Where("start_time > ? and start_time<? and end_time!=0 and success = ?", start, end, success)
err := db.Find(&dateCount).Error
if err != nil {
return nil, err
}
return dateCount, nil
}
func (j *JobService) GetNotAssignedJob() (jobs []models.Job, err error) {
err = dbclient.GetMysqlDB().Table(models.CronyJobTableName).Where("status = ?", models.JobStatusNotAssigned).Find(&jobs).Error
return
}
func (j *JobService) GetRunningJobCount() (int64, error) {
wresp, err := etcdclient.Get(fmt.Sprintf(etcdclient.KeyEtcdProcProfile), clientv3.WithPrefix(), clientv3.WithCountOnly())
if err != nil {
return 0, err
}
return wresp.Count, nil
}
const MaxJobCount = 10000
//Give priority to the node with the least number of tasks
func (j *JobService) AutoAllocateNode() string {
//Get all the living nodes
nodeList := DefaultNodeWatcher.List2Array()
resultCount, resultNodeUUID := MaxJobCount, ""
for _, nodeUUID := range nodeList {
//Check the database to see if it is alive
node := &models.Node{UUID: nodeUUID}
err := node.FindByUUID()
if err != nil {
continue
}
if node.Status == models.NodeConnFail {
//The node has failed
delete(DefaultNodeWatcher.nodeList, nodeUUID)
continue
}
count, err := DefaultNodeWatcher.GetJobCount(nodeUUID)
if err != nil {
logger.GetLogger().Warn(fmt.Sprintf("node[%s] get job conut error:%s", nodeUUID, err.Error()))
continue
}
if resultCount > count {
resultCount, resultNodeUUID = count, nodeUUID
}
}
return resultNodeUUID
}
func (j *JobService) Once(once *request.ReqJobOnce) (err error) {
//The default existence time is 60 seconds
_, err = etcdclient.PutWithTtl(fmt.Sprintf(etcdclient.KeyEtcdOnce, once.JobId), once.NodeUUID, 60)
return
}
func RunLogCleaner(cleanPeriod time.Duration, expiration int64) (close chan struct{}) {
t := time.NewTicker(cleanPeriod)
close = make(chan struct{})
go func() {
for {
select {
case <-t.C:
err := cleanupLogs(expiration)
if err != nil {
logger.GetLogger().Error(fmt.Sprintf("clean up logs at time:%v error:%s", time.Now(), err.Error()))
}
case <-close:
t.Stop()
return
}
}
}()
return
}
func cleanupLogs(expirationTime int64) error {
sql := fmt.Sprintf("delete from %s where start_time < ?", models.CronyJobLogTableName)
return dbclient.GetMysqlDB().Exec(sql, time.Now().Unix()-expirationTime).Error
}