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Provide Kubeflow PaddleJob support for MultiKueue (#2744)
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* Provide Kubeflow PaddleJob support for MultiKueue

* update after code review

* fix after review
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mszadkow authored Aug 2, 2024
1 parent c5f3370 commit dfd1ee7
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Showing 14 changed files with 627 additions and 40 deletions.
1 change: 1 addition & 0 deletions charts/kueue/templates/rbac/role.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -253,6 +253,7 @@ rules:
- paddlejobs/status
verbs:
- get
- patch
- update
- apiGroups:
- kubeflow.org
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1 change: 1 addition & 0 deletions config/components/rbac/role.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -252,6 +252,7 @@ rules:
- paddlejobs/status
verbs:
- get
- patch
- update
- apiGroups:
- kubeflow.org
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3 changes: 2 additions & 1 deletion pkg/controller/jobframework/validation.go
Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,8 @@ var (
supportedPrebuiltWlJobGVKs = sets.New(
batchv1.SchemeGroupVersion.WithKind("Job").String(),
jobset.SchemeGroupVersion.WithKind("JobSet").String(),
kftraining.SchemeGroupVersion.WithKind(kftraining.TFJobKind).String())
kftraining.SchemeGroupVersion.WithKind(kftraining.TFJobKind).String(),
kftraining.SchemeGroupVersion.WithKind(kftraining.PaddleJobKind).String())
)

// ValidateJobOnCreate encapsulates all GenericJob validations that must be performed on a Create operation
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Original file line number Diff line number Diff line change
Expand Up @@ -45,13 +45,14 @@ func init() {
JobType: &kftraining.PaddleJob{},
AddToScheme: kftraining.AddToScheme,
IsManagingObjectsOwner: isPaddleJob,
MultiKueueAdapter: &multikueueAdapter{},
}))
}

// +kubebuilder:rbac:groups=scheduling.k8s.io,resources=priorityclasses,verbs=list;get;watch
// +kubebuilder:rbac:groups="",resources=events,verbs=create;watch;update;patch
// +kubebuilder:rbac:groups=kubeflow.org,resources=paddlejobs,verbs=get;list;watch;update;patch
// +kubebuilder:rbac:groups=kubeflow.org,resources=paddlejobs/status,verbs=get;update
// +kubebuilder:rbac:groups=kubeflow.org,resources=paddlejobs/status,verbs=get;update;patch
// +kubebuilder:rbac:groups=kubeflow.org,resources=paddlejobs/finalizers,verbs=get;update
// +kubebuilder:rbac:groups=kueue.x-k8s.io,resources=workloads,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=kueue.x-k8s.io,resources=workloads/status,verbs=get;update;patch
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Original file line number Diff line number Diff line change
Expand Up @@ -255,8 +255,8 @@ func TestReconciler(t *testing.T) {
reconcilerOptions: []jobframework.Option{
jobframework.WithManageJobsWithoutQueueName(true),
},
job: testingpaddlejob.MakePaddleJob("paddlejob", "ns").Parallelism(2).Obj(),
wantJob: testingpaddlejob.MakePaddleJob("paddlejob", "ns").Parallelism(2).Obj(),
job: testingpaddlejob.MakePaddleJob("paddlejob", "ns").PaddleReplicaSpecsDefault().Parallelism(2).Obj(),
wantJob: testingpaddlejob.MakePaddleJob("paddlejob", "ns").PaddleReplicaSpecsDefault().Parallelism(2).Obj(),
wantWorkloads: []kueue.Workload{
*utiltesting.MakeWorkload("paddlejob", "ns").
PodSets(
Expand All @@ -270,12 +270,13 @@ func TestReconciler(t *testing.T) {
reconcilerOptions: []jobframework.Option{
jobframework.WithManageJobsWithoutQueueName(false),
},
job: testingpaddlejob.MakePaddleJob("paddlejob", "ns").Parallelism(2).Obj(),
wantJob: testingpaddlejob.MakePaddleJob("paddlejob", "ns").Parallelism(2).Obj(),
job: testingpaddlejob.MakePaddleJob("paddlejob", "ns").PaddleReplicaSpecsDefault().Parallelism(2).Obj(),
wantJob: testingpaddlejob.MakePaddleJob("paddlejob", "ns").PaddleReplicaSpecsDefault().Parallelism(2).Obj(),
wantWorkloads: []kueue.Workload{},
},
"when workload is evicted, suspended is reset, restore node affinity": {
job: testingpaddlejob.MakePaddleJob("paddlejob", "ns").
PaddleReplicaSpecsDefault().
Image("").
Args(nil).
Queue("foo").
Expand Down Expand Up @@ -319,6 +320,7 @@ func TestReconciler(t *testing.T) {
Obj(),
},
wantJob: testingpaddlejob.MakePaddleJob("paddlejob", "ns").
PaddleReplicaSpecsDefault().
Image("").
Args(nil).
Queue("foo").
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,117 @@
/*
Copyright 2024 The Kubernetes 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 paddlejob

import (
"context"
"errors"
"fmt"

kftraining "github.com/kubeflow/training-operator/pkg/apis/kubeflow.org/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
"k8s.io/klog/v2"
"sigs.k8s.io/controller-runtime/pkg/client"

kueuealpha "sigs.k8s.io/kueue/apis/kueue/v1alpha1"
"sigs.k8s.io/kueue/pkg/controller/constants"
"sigs.k8s.io/kueue/pkg/controller/jobframework"
"sigs.k8s.io/kueue/pkg/util/api"
clientutil "sigs.k8s.io/kueue/pkg/util/client"
)

type multikueueAdapter struct{}

var _ jobframework.MultiKueueAdapter = (*multikueueAdapter)(nil)

func (b *multikueueAdapter) SyncJob(ctx context.Context, localClient client.Client, remoteClient client.Client, key types.NamespacedName, workloadName, origin string) error {
localJob := kftraining.PaddleJob{}
err := localClient.Get(ctx, key, &localJob)
if err != nil {
return err
}

remoteJob := &kftraining.PaddleJob{}
err = remoteClient.Get(ctx, key, remoteJob)
if client.IgnoreNotFound(err) != nil {
return err
}

// if the remote exists, just copy the status
if err == nil {
return clientutil.PatchStatus(ctx, localClient, &localJob, func() (bool, error) {
localJob.Status = remoteJob.Status
return true, nil
})
}

remoteJob = &kftraining.PaddleJob{
ObjectMeta: api.CloneObjectMetaForCreation(&localJob.ObjectMeta),
Spec: *localJob.Spec.DeepCopy(),
}

// add the prebuilt workload
if remoteJob.Labels == nil {
remoteJob.Labels = make(map[string]string, 2)
}
remoteJob.Labels[constants.PrebuiltWorkloadLabel] = workloadName
remoteJob.Labels[kueuealpha.MultiKueueOriginLabel] = origin

return remoteClient.Create(ctx, remoteJob)
}

func (b *multikueueAdapter) DeleteRemoteObject(ctx context.Context, remoteClient client.Client, key types.NamespacedName) error {
job := kftraining.PaddleJob{}
err := remoteClient.Get(ctx, key, &job)
if err != nil {
return client.IgnoreNotFound(err)
}
return client.IgnoreNotFound(remoteClient.Delete(ctx, &job))
}

func (b *multikueueAdapter) KeepAdmissionCheckPending() bool {
return false
}

func (b *multikueueAdapter) IsJobManagedByKueue(context.Context, client.Client, types.NamespacedName) (bool, string, error) {
return true, "", nil
}

func (b *multikueueAdapter) GVK() schema.GroupVersionKind {
return gvk
}

var _ jobframework.MultiKueueWatcher = (*multikueueAdapter)(nil)

func (*multikueueAdapter) GetEmptyList() client.ObjectList {
return &kftraining.PaddleJobList{}
}

func (*multikueueAdapter) WorkloadKeyFor(o runtime.Object) (types.NamespacedName, error) {
paddleJob, isPaddleJob := o.(*kftraining.PaddleJob)
if !isPaddleJob {
return types.NamespacedName{}, errors.New("not a PaddleJob")
}

prebuiltWl, hasPrebuiltWorkload := paddleJob.Labels[constants.PrebuiltWorkloadLabel]
if !hasPrebuiltWorkload {
return types.NamespacedName{}, fmt.Errorf("no prebuilt workload found for PaddleJob: %s", klog.KObj(paddleJob))
}

return types.NamespacedName{Name: prebuiltWl, Namespace: paddleJob.Namespace}, nil
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,159 @@
/*
Copyright 2024 The Kubernetes 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 paddlejob

import (
"context"
"testing"

"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
kftraining "github.com/kubeflow/training-operator/pkg/apis/kubeflow.org/v1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/client/interceptor"

kueuealpha "sigs.k8s.io/kueue/apis/kueue/v1alpha1"
"sigs.k8s.io/kueue/pkg/controller/constants"
"sigs.k8s.io/kueue/pkg/util/slices"
utiltesting "sigs.k8s.io/kueue/pkg/util/testing"
kfutiltesting "sigs.k8s.io/kueue/pkg/util/testingjobs/paddlejob"
)

const (
TestNamespace = "ns"
)

func TestMultikueueAdapter(t *testing.T) {
objCheckOpts := []cmp.Option{
cmpopts.IgnoreFields(metav1.ObjectMeta{}, "ResourceVersion"),
cmpopts.EquateEmpty(),
}

paddleJobBuilder := kfutiltesting.MakePaddleJob("paddlejob1", TestNamespace).Queue("queue").Suspend(false)

cases := map[string]struct {
managersPaddleJobs []kftraining.PaddleJob
workerPaddleJobs []kftraining.PaddleJob

operation func(ctx context.Context, adapter *multikueueAdapter, managerClient, workerClient client.Client) error

wantError error
wantManagersPaddleJobs []kftraining.PaddleJob
wantWorkerPaddleJobs []kftraining.PaddleJob
}{
"sync creates missing remote PaddleJob": {
managersPaddleJobs: []kftraining.PaddleJob{
*paddleJobBuilder.Clone().Obj(),
},
operation: func(ctx context.Context, adapter *multikueueAdapter, managerClient, workerClient client.Client) error {
return adapter.SyncJob(ctx, managerClient, workerClient, types.NamespacedName{Name: "paddlejob1", Namespace: TestNamespace}, "wl1", "origin1")
},

wantManagersPaddleJobs: []kftraining.PaddleJob{
*paddleJobBuilder.Clone().Obj(),
},
wantWorkerPaddleJobs: []kftraining.PaddleJob{
*paddleJobBuilder.Clone().
Label(constants.PrebuiltWorkloadLabel, "wl1").
Label(kueuealpha.MultiKueueOriginLabel, "origin1").
Obj(),
},
},
"sync status from remote PaddleJob": {
managersPaddleJobs: []kftraining.PaddleJob{
*paddleJobBuilder.Clone().Obj(),
},
workerPaddleJobs: []kftraining.PaddleJob{
*paddleJobBuilder.Clone().
Label(constants.PrebuiltWorkloadLabel, "wl1").
Label(kueuealpha.MultiKueueOriginLabel, "origin1").
StatusConditions(kftraining.JobCondition{Type: kftraining.JobSucceeded, Status: corev1.ConditionTrue}).
Obj(),
},
operation: func(ctx context.Context, adapter *multikueueAdapter, managerClient, workerClient client.Client) error {
return adapter.SyncJob(ctx, managerClient, workerClient, types.NamespacedName{Name: "paddlejob1", Namespace: TestNamespace}, "wl1", "origin1")
},

wantManagersPaddleJobs: []kftraining.PaddleJob{
*paddleJobBuilder.Clone().
StatusConditions(kftraining.JobCondition{Type: kftraining.JobSucceeded, Status: corev1.ConditionTrue}).
Obj(),
},
wantWorkerPaddleJobs: []kftraining.PaddleJob{
*paddleJobBuilder.Clone().
Label(constants.PrebuiltWorkloadLabel, "wl1").
Label(kueuealpha.MultiKueueOriginLabel, "origin1").
StatusConditions(kftraining.JobCondition{Type: kftraining.JobSucceeded, Status: corev1.ConditionTrue}).
Obj(),
},
},
"remote PaddleJob is deleted": {
workerPaddleJobs: []kftraining.PaddleJob{
*paddleJobBuilder.Clone().
Label(constants.PrebuiltWorkloadLabel, "wl1").
Label(kueuealpha.MultiKueueOriginLabel, "origin1").
Obj(),
},
operation: func(ctx context.Context, adapter *multikueueAdapter, managerClient, workerClient client.Client) error {
return adapter.DeleteRemoteObject(ctx, workerClient, types.NamespacedName{Name: "paddlejob1", Namespace: TestNamespace})
},
},
}
for name, tc := range cases {
t.Run(name, func(t *testing.T) {
managerBuilder := utiltesting.NewClientBuilder(kftraining.AddToScheme).WithInterceptorFuncs(interceptor.Funcs{SubResourcePatch: utiltesting.TreatSSAAsStrategicMerge})
managerBuilder = managerBuilder.WithLists(&kftraining.PaddleJobList{Items: tc.managersPaddleJobs})
managerBuilder = managerBuilder.WithStatusSubresource(slices.Map(tc.managersPaddleJobs, func(w *kftraining.PaddleJob) client.Object { return w })...)
managerClient := managerBuilder.Build()

workerBuilder := utiltesting.NewClientBuilder(kftraining.AddToScheme).WithInterceptorFuncs(interceptor.Funcs{SubResourcePatch: utiltesting.TreatSSAAsStrategicMerge})
workerBuilder = workerBuilder.WithLists(&kftraining.PaddleJobList{Items: tc.workerPaddleJobs})
workerClient := workerBuilder.Build()

ctx, _ := utiltesting.ContextWithLog(t)

adapter := &multikueueAdapter{}

gotErr := tc.operation(ctx, adapter, managerClient, workerClient)

if diff := cmp.Diff(tc.wantError, gotErr, cmpopts.EquateErrors()); diff != "" {
t.Errorf("unexpected error (-want/+got):\n%s", diff)
}

gotManagersPaddleJob := &kftraining.PaddleJobList{}
if err := managerClient.List(ctx, gotManagersPaddleJob); err != nil {
t.Errorf("unexpected list manager's PaddleJobs error %s", err)
} else {
if diff := cmp.Diff(tc.wantManagersPaddleJobs, gotManagersPaddleJob.Items, objCheckOpts...); diff != "" {
t.Errorf("unexpected manager's PaddleJobs (-want/+got):\n%s", diff)
}
}

gotWorkerPaddleJobs := &kftraining.PaddleJobList{}
if err := workerClient.List(ctx, gotWorkerPaddleJobs); err != nil {
t.Errorf("unexpected list worker's PaddleJobs error %s", err)
} else {
if diff := cmp.Diff(tc.wantWorkerPaddleJobs, gotWorkerPaddleJobs.Items, objCheckOpts...); diff != "" {
t.Errorf("unexpected worker's PaddleJobs (-want/+got):\n%s", diff)
}
}
})
}
}
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