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job.go
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job.go
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/*
* Copyright 2020 The Dragonfly 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 service
import (
"context"
"errors"
"fmt"
machineryv1tasks "github.com/RichardKnop/machinery/v1/tasks"
logger "d7y.io/dragonfly/v2/internal/dflog"
"d7y.io/dragonfly/v2/manager/models"
"d7y.io/dragonfly/v2/manager/types"
"d7y.io/dragonfly/v2/pkg/retry"
"d7y.io/dragonfly/v2/pkg/slices"
"d7y.io/dragonfly/v2/pkg/structure"
)
func (s *service) CreatePreheatJob(ctx context.Context, json types.CreatePreheatJobRequest) (*models.Job, error) {
candidateSchedulers, err := s.findCandidateSchedulers(ctx, json.SchedulerClusterIDs)
if err != nil {
return nil, err
}
if json.Args.PieceLength == 0 {
json.Args.PieceLength = types.DefaultPreheatJobPieceLength
}
groupJobState, err := s.job.CreatePreheat(ctx, candidateSchedulers, json.Args)
if err != nil {
return nil, err
}
var candidateSchedulerClusters []models.SchedulerCluster
for _, candidateScheduler := range candidateSchedulers {
candidateSchedulerClusters = append(candidateSchedulerClusters, candidateScheduler.SchedulerCluster)
}
args, err := structure.StructToMap(json.Args)
if err != nil {
return nil, err
}
job := models.Job{
TaskID: groupJobState.GroupUUID,
BIO: json.BIO,
Type: json.Type,
State: groupJobState.State,
Args: args,
UserID: json.UserID,
SchedulerClusters: candidateSchedulerClusters,
}
if err := s.db.WithContext(ctx).Create(&job).Error; err != nil {
return nil, err
}
go s.pollingJob(context.Background(), job.ID, job.TaskID)
return &job, nil
}
func (s *service) findCandidateSchedulers(ctx context.Context, schedulerClusterIDs []uint) ([]models.Scheduler, error) {
var candidateSchedulers []models.Scheduler
if len(schedulerClusterIDs) != 0 {
// Find the scheduler clusters by request.
for _, schedulerClusterID := range schedulerClusterIDs {
schedulerCluster := models.SchedulerCluster{}
if err := s.db.WithContext(ctx).First(&schedulerCluster, schedulerClusterID).Error; err != nil {
return nil, err
}
var schedulers []models.Scheduler
if err := s.db.WithContext(ctx).Preload("SchedulerCluster").Find(&schedulers, models.Scheduler{
SchedulerClusterID: schedulerCluster.ID,
State: models.SchedulerStateActive,
}).Error; err != nil {
return nil, err
}
// Scan the schedulers to find the first scheduler that supports preheat.
for _, scheduler := range schedulers {
if slices.Contains(scheduler.Features, types.SchedulerFeaturePreheat) {
candidateSchedulers = append(candidateSchedulers, scheduler)
break
}
}
}
} else {
// Find all of the scheduler clusters that has active schedulers.
var candidateSchedulerClusters []models.SchedulerCluster
if err := s.db.WithContext(ctx).Find(&candidateSchedulerClusters).Error; err != nil {
return nil, err
}
for _, candidateSchedulerCluster := range candidateSchedulerClusters {
var schedulers []models.Scheduler
if err := s.db.WithContext(ctx).Preload("SchedulerCluster").Find(&schedulers, models.Scheduler{
SchedulerClusterID: candidateSchedulerCluster.ID,
State: models.SchedulerStateActive,
}).Error; err != nil {
continue
}
// Scan the schedulers to find the first scheduler that supports preheat.
for _, scheduler := range schedulers {
if slices.Contains(scheduler.Features, types.SchedulerFeaturePreheat) {
candidateSchedulers = append(candidateSchedulers, scheduler)
break
}
}
}
}
if len(candidateSchedulers) == 0 {
return nil, errors.New("candidate schedulers not found")
}
return candidateSchedulers, nil
}
func (s *service) pollingJob(ctx context.Context, id uint, groupID string) {
var (
job models.Job
log = logger.WithGroupAndJobID(groupID, fmt.Sprint(id))
)
if _, _, err := retry.Run(ctx, 5, 10, 480, func() (any, bool, error) {
groupJob, err := s.job.GetGroupJobState(groupID)
if err != nil {
log.Errorf("polling group failed: %s", err.Error())
return nil, false, err
}
result, err := structure.StructToMap(groupJob)
if err != nil {
log.Errorf("polling group failed: %s", err.Error())
return nil, false, err
}
if err := s.db.WithContext(ctx).First(&job, id).Updates(models.Job{
State: groupJob.State,
Result: result,
}).Error; err != nil {
log.Errorf("polling group failed: %s", err.Error())
return nil, true, err
}
switch job.State {
case machineryv1tasks.StateSuccess:
log.Info("polling group succeeded")
return nil, true, nil
case machineryv1tasks.StateFailure:
log.Error("polling group failed")
return nil, true, nil
default:
msg := fmt.Sprintf("polling job state is %s", job.State)
log.Info(msg)
return nil, false, errors.New(msg)
}
}); err != nil {
log.Errorf("polling group failed: %s", err.Error())
}
// Polling timeout and failed.
if job.State != machineryv1tasks.StateSuccess && job.State != machineryv1tasks.StateFailure {
job := models.Job{}
if err := s.db.WithContext(ctx).First(&job, id).Updates(models.Job{
State: machineryv1tasks.StateFailure,
}).Error; err != nil {
log.Errorf("polling group failed: %s", err.Error())
}
log.Error("polling group timeout")
}
}
func (s *service) DestroyJob(ctx context.Context, id uint) error {
job := models.Job{}
if err := s.db.WithContext(ctx).First(&job, id).Error; err != nil {
return err
}
if err := s.db.WithContext(ctx).Unscoped().Delete(&models.Job{}, id).Error; err != nil {
return err
}
return nil
}
func (s *service) UpdateJob(ctx context.Context, id uint, json types.UpdateJobRequest) (*models.Job, error) {
job := models.Job{}
if err := s.db.WithContext(ctx).Preload("SeedPeerClusters").Preload("SchedulerClusters").First(&job, id).Updates(models.Job{
BIO: json.BIO,
UserID: json.UserID,
}).Error; err != nil {
return nil, err
}
return &job, nil
}
func (s *service) GetJob(ctx context.Context, id uint) (*models.Job, error) {
job := models.Job{}
if err := s.db.WithContext(ctx).Preload("SeedPeerClusters").Preload("SchedulerClusters").First(&job, id).Error; err != nil {
return nil, err
}
return &job, nil
}
func (s *service) GetJobs(ctx context.Context, q types.GetJobsQuery) ([]models.Job, int64, error) {
var count int64
var jobs []models.Job
if err := s.db.WithContext(ctx).Scopes(models.Paginate(q.Page, q.PerPage)).Where(&models.Job{
Type: q.Type,
State: q.State,
UserID: q.UserID,
}).Order("created_at DESC").Find(&jobs).Limit(-1).Offset(-1).Count(&count).Error; err != nil {
return nil, 0, err
}
return jobs, count, nil
}
func (s *service) AddJobToSchedulerClusters(ctx context.Context, id, schedulerClusterIDs []uint) error {
job := models.Job{}
if err := s.db.WithContext(ctx).First(&job, id).Error; err != nil {
return err
}
var schedulerClusters []*models.SchedulerCluster
for _, schedulerClusterID := range schedulerClusterIDs {
schedulerCluster := models.SchedulerCluster{}
if err := s.db.WithContext(ctx).First(&schedulerCluster, schedulerClusterID).Error; err != nil {
return err
}
schedulerClusters = append(schedulerClusters, &schedulerCluster)
}
if err := s.db.WithContext(ctx).Model(&job).Association("SchedulerClusters").Append(schedulerClusters); err != nil {
return err
}
return nil
}
func (s *service) AddJobToSeedPeerClusters(ctx context.Context, id, seedPeerClusterIDs []uint) error {
job := models.Job{}
if err := s.db.WithContext(ctx).First(&job, id).Error; err != nil {
return err
}
var seedPeerClusters []*models.SeedPeerCluster
for _, seedPeerClusterID := range seedPeerClusterIDs {
seedPeerCluster := models.SeedPeerCluster{}
if err := s.db.WithContext(ctx).First(&seedPeerCluster, seedPeerClusterID).Error; err != nil {
return err
}
seedPeerClusters = append(seedPeerClusters, &seedPeerCluster)
}
if err := s.db.WithContext(ctx).Model(&job).Association("SeedPeerClusters").Append(seedPeerClusters); err != nil {
return err
}
return nil
}