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job_lease.go
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job_lease.go
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package service
import (
"context"
"strings"
"time"
grpc_retry "github.com/grpc-ecosystem/go-grpc-middleware/retry"
log "github.com/sirupsen/logrus"
v1 "k8s.io/api/core/v1"
"github.com/G-Research/armada/internal/common"
commonUtil "github.com/G-Research/armada/internal/common/util"
context2 "github.com/G-Research/armada/internal/executor/context"
"github.com/G-Research/armada/internal/executor/job"
"github.com/G-Research/armada/internal/executor/util"
"github.com/G-Research/armada/pkg/api"
)
const maxPodRequestSize = 10000
type LeaseService interface {
ReturnLease(pod *v1.Pod) error
RequestJobLeases(availableResource *common.ComputeResources, nodes []api.NodeInfo, leasedResourceByQueue map[string]common.ComputeResources) ([]*api.Job, error)
RenewJobLeases(jobs []*job.RunningJob) ([]*job.RunningJob, error)
ReportDone(jobIds []string) error
}
type JobLeaseService struct {
clusterIdentity context2.ClusterIdentity
queueClient api.AggregatedQueueClient
minimumJobSize common.ComputeResources
}
func NewJobLeaseService(
clusterIdentity context2.ClusterIdentity,
queueClient api.AggregatedQueueClient,
minimumJobSize common.ComputeResources) *JobLeaseService {
return &JobLeaseService{
clusterIdentity: clusterIdentity,
queueClient: queueClient,
minimumJobSize: minimumJobSize,
}
}
func (jobLeaseService *JobLeaseService) RequestJobLeases(availableResource *common.ComputeResources, nodes []api.NodeInfo, leasedResourceByQueue map[string]common.ComputeResources) ([]*api.Job, error) {
leasedQueueReports := make([]*api.QueueLeasedReport, 0, len(leasedResourceByQueue))
for queueName, leasedResource := range leasedResourceByQueue {
leasedQueueReport := &api.QueueLeasedReport{
Name: queueName,
ResourcesLeased: leasedResource,
}
leasedQueueReports = append(leasedQueueReports, leasedQueueReport)
}
clusterLeasedReport := api.ClusterLeasedReport{
ClusterId: jobLeaseService.clusterIdentity.GetClusterId(),
ReportTime: time.Now(),
Queues: leasedQueueReports,
}
leaseRequest := api.LeaseRequest{
ClusterId: jobLeaseService.clusterIdentity.GetClusterId(),
Pool: jobLeaseService.clusterIdentity.GetClusterPool(),
Resources: *availableResource,
ClusterLeasedReport: clusterLeasedReport,
Nodes: nodes,
MinimumJobSize: jobLeaseService.minimumJobSize,
}
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
response, err := jobLeaseService.queueClient.LeaseJobs(ctx, &leaseRequest, grpc_retry.WithMax(1))
if err != nil {
return make([]*api.Job, 0), err
}
return response.Job, nil
}
func (jobLeaseService *JobLeaseService) ReturnLease(pod *v1.Pod) error {
jobId := util.ExtractJobId(pod)
ctx, cancel := common.ContextWithDefaultTimeout()
defer cancel()
log.Infof("Returning lease for job %s", jobId)
_, err := jobLeaseService.queueClient.ReturnLease(ctx, &api.ReturnLeaseRequest{ClusterId: jobLeaseService.clusterIdentity.GetClusterId(), JobId: jobId})
return err
}
func (jobLeaseService *JobLeaseService) ReportDone(jobIds []string) error {
if len(jobIds) <= 0 {
return nil
}
ctx, cancel := common.ContextWithDefaultTimeout()
defer cancel()
log.Infof("Reporting done for jobs %s", strings.Join(jobIds, ","))
_, err := jobLeaseService.queueClient.ReportDone(ctx, &api.IdList{Ids: jobIds})
return err
}
func (jobLeaseService *JobLeaseService) RenewJobLeases(jobs []*job.RunningJob) ([]*job.RunningJob, error) {
if len(jobs) <= 0 {
return []*job.RunningJob{}, nil
}
jobIds := extractJobIds(jobs)
log.Infof("Renewing lease for %s", strings.Join(jobIds, ","))
ctx, cancel := common.ContextWithDefaultTimeout()
defer cancel()
renewedJobIds, err := jobLeaseService.queueClient.RenewLease(ctx,
&api.RenewLeaseRequest{
ClusterId: jobLeaseService.clusterIdentity.GetClusterId(),
Ids: jobIds})
if err != nil {
log.Errorf("Failed to renew lease for jobs because %s", err)
return nil, err
}
failedIds := commonUtil.SubtractStringList(jobIds, renewedJobIds.Ids)
failedJobs := filterRunningJobsByIds(jobs, failedIds)
if len(failedIds) > 0 {
log.Warnf("Server has prevented renewing of job lease for jobs %s", strings.Join(failedIds, ","))
}
return failedJobs, nil
}