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[kjobctl] Move common SLURM_envs to container env vars.
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@mbobrovskyi
mbobrovskyi committed Oct 23, 2024
1 parent 3080d0b commit f1b4e3c
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Showing 5 changed files with 300 additions and 196 deletions.
190 changes: 123 additions & 67 deletions cmd/experimental/kjobctl/pkg/builder/slurm_builder.go
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,7 @@ import (
"k8s.io/utils/ptr"

"sigs.k8s.io/kueue/cmd/experimental/kjobctl/apis/v1alpha1"
"sigs.k8s.io/kueue/cmd/experimental/kjobctl/pkg/constants"
"sigs.k8s.io/kueue/cmd/experimental/kjobctl/pkg/parser"
)

Expand Down Expand Up @@ -81,6 +82,8 @@ var (
type slurmBuilder struct {
*Builder

jobTemplate *v1alpha1.JobTemplate

objectName string
scriptContent string
template *template.Template
Expand Down Expand Up @@ -109,7 +112,14 @@ func (b *slurmBuilder) validateGeneral() error {
return nil
}

func (b *slurmBuilder) complete() error {
func (b *slurmBuilder) complete(ctx context.Context) error {
jobTemplate, err := b.kjobctlClientset.KjobctlV1alpha1().JobTemplates(b.profile.Namespace).
Get(ctx, string(b.mode.Template), metav1.GetOptions{})
if err != nil {
return err
}
b.jobTemplate = jobTemplate

content, err := os.ReadFile(b.script)
if err != nil {
return err
Expand Down Expand Up @@ -186,24 +196,18 @@ func (b *slurmBuilder) build(ctx context.Context) (runtime.Object, []runtime.Obj
return nil, nil, err
}

if err := b.complete(); err != nil {
if err := b.complete(ctx); err != nil {
return nil, nil, err
}

template, err := b.kjobctlClientset.KjobctlV1alpha1().JobTemplates(b.profile.Namespace).
Get(ctx, string(b.mode.Template), metav1.GetOptions{})
if err != nil {
return nil, nil, err
}

objectMeta := b.buildObjectMeta(template.Template.ObjectMeta)
objectMeta := b.buildObjectMeta(b.jobTemplate.Template.ObjectMeta)
objectMeta.GenerateName = ""
objectMeta.Name = b.objectName

job := &batchv1.Job{
TypeMeta: metav1.TypeMeta{Kind: "Job", APIVersion: "batch/v1"},
ObjectMeta: objectMeta,
Spec: template.Template.Spec,
Spec: b.jobTemplate.Template.Spec,
}
job.Spec.CompletionMode = ptr.To(batchv1.IndexedCompletion)
job.Spec.Template.Spec.Subdomain = b.objectName
Expand All @@ -215,7 +219,7 @@ func (b *slurmBuilder) build(ctx context.Context) (runtime.Object, []runtime.Obj
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: b.objectName,
Name: fmt.Sprintf("%s-scripts", b.objectName),
},
Items: []corev1.KeyToPath{
{
Expand Down Expand Up @@ -255,6 +259,13 @@ func (b *slurmBuilder) build(ctx context.Context) (runtime.Object, []runtime.Obj
},
},
},
EnvFrom: []corev1.EnvFromSource{{
ConfigMapRef: &corev1.ConfigMapEnvSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: fmt.Sprintf("%s-env", b.objectName),
},
},
}},
VolumeMounts: []corev1.VolumeMount{
{
Name: "slurm-scripts",
Expand Down Expand Up @@ -386,6 +397,13 @@ func (b *slurmBuilder) build(ctx context.Context) (runtime.Object, []runtime.Obj
Name: "JOB_CONTAINER_INDEX",
Value: strconv.FormatInt(int64(i), 10),
})
job.Spec.Template.Spec.Containers[i].EnvFrom = append(job.Spec.Template.Spec.Containers[i].EnvFrom, corev1.EnvFromSource{
ConfigMapRef: &corev1.ConfigMapEnvSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: fmt.Sprintf("%s-env", b.objectName),
},
},
})
}

if b.nodes != nil {
Expand All @@ -411,27 +429,117 @@ func (b *slurmBuilder) build(ctx context.Context) (runtime.Object, []runtime.Obj
b.cpusPerGpu = resource.NewQuantity(cpusPerGpu, b.cpusOnNode.Format)
}

initEntrypointScript, err := b.buildInitEntrypointScript()
scriptsConfigMap, err := b.buildScriptsConfigMap()
if err != nil {
return nil, nil, err
}

return job, []runtime.Object{scriptsConfigMap, b.buildEnvConfigMap(), b.buildService()}, nil
}

func (b *slurmBuilder) buildScriptsConfigMap() (*corev1.ConfigMap, error) {
objectMeta := metav1.ObjectMeta{
Name: fmt.Sprintf("%s-scripts", b.objectName),
Namespace: b.profile.Namespace,
Labels: make(map[string]string, 2),
}

if b.profile != nil {
objectMeta.Labels[constants.ProfileLabel] = b.profile.Name
}

if b.mode != nil {
objectMeta.Labels[constants.ModeLabel] = string(b.mode.Name)
}

initEntrypointScript, err := b.buildInitEntrypointScript()
if err != nil {
return nil, err
}

entrypointScript, err := b.buildEntrypointScript()
if err != nil {
return nil, nil, err
return nil, err
}

configMap := &corev1.ConfigMap{
return &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{Kind: "ConfigMap", APIVersion: "v1"},
ObjectMeta: objectMeta,
Data: map[string]string{
slurmInitEntrypointFilename: initEntrypointScript,
slurmEntrypointFilename: entrypointScript,
slurmScriptFilename: b.scriptContent,
},
}, nil
}

func (b *slurmBuilder) buildEnvConfigMap() *corev1.ConfigMap {
objectMeta := metav1.ObjectMeta{
Name: fmt.Sprintf("%s-env", b.objectName),
Namespace: b.profile.Namespace,
Labels: make(map[string]string, 2),
}

if b.profile != nil {
objectMeta.Labels[constants.ProfileLabel] = b.profile.Name
}

if b.mode != nil {
objectMeta.Labels[constants.ModeLabel] = string(b.mode.Name)
}

nTasks := ptr.Deref(b.nTasks, 1)
nodes := ptr.Deref(b.nodes, 1)

nodeList := make([]string, nodes)
for i := int32(0); i < nodes; i++ {
nodeList[i] = fmt.Sprintf("%s-%d.%s", b.objectName, i, b.objectName)
}

return &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{Kind: "ConfigMap", APIVersion: "v1"},
ObjectMeta: objectMeta,
Data: map[string]string{
"SLURM_ARRAY_JOB_ID": strconv.Itoa(slurmArrayJobID),
"SLURM_ARRAY_TASK_COUNT": strconv.Itoa(b.arrayIndexes.Count()),
"SLURM_ARRAY_TASK_MAX": fmt.Sprint(b.arrayIndexes.Max()),
"SLURM_ARRAY_TASK_MIN": fmt.Sprint(b.arrayIndexes.Min()),
"SLURM_TASKS_PER_NODE": fmt.Sprint(nTasks),
"SLURM_CPUS_PER_TASK": getValueOrEmpty(b.cpusPerTask),
"SLURM_CPUS_ON_NODE": getValueOrEmpty(b.cpusOnNode),
"SLURM_JOB_CPUS_PER_NODE": getValueOrEmpty(b.cpusOnNode),
"SLURM_CPUS_PER_GPU": getValueOrEmpty(b.cpusPerGpu),
"SLURM_MEM_PER_CPU": getValueOrEmpty(b.memPerCPU),
"SLURM_MEM_PER_GPU": getValueOrEmpty(b.memPerGPU),
"SLURM_MEM_PER_NODE": getValueOrEmpty(b.totalMemPerNode),
"SLURM_GPUS": getValueOrEmpty(b.totalGpus),
"SLURM_NTASKS": fmt.Sprint(nTasks),
"SLURM_NTASKS_PER_NODE": fmt.Sprint(nTasks),
"SLURM_NPROCS": fmt.Sprint(nTasks),
"SLURM_NNODES": fmt.Sprint(nodes),
"SLURM_SUBMIT_DIR": slurmScriptsPath,
"SLURM_JOB_NODELIST": strings.Join(nodeList, ","),
"SLURM_JOB_FIRST_NODE": nodeList[0],
},
}
}

func (b *slurmBuilder) buildService() *corev1.Service {
objectMeta := metav1.ObjectMeta{
Name: b.objectName,
Namespace: b.profile.Namespace,
Labels: make(map[string]string, 2),
}

service := &corev1.Service{
if b.profile != nil {
objectMeta.Labels[constants.ProfileLabel] = b.profile.Name
}

if b.mode != nil {
objectMeta.Labels[constants.ModeLabel] = string(b.mode.Name)
}

return &corev1.Service{
TypeMeta: metav1.TypeMeta{Kind: "Service", APIVersion: "v1"},
ObjectMeta: objectMeta,
Spec: corev1.ServiceSpec{
Expand All @@ -441,8 +549,6 @@ func (b *slurmBuilder) build(ctx context.Context) (runtime.Object, []runtime.Obj
},
},
}

return job, []runtime.Object{configMap, service}, nil
}

func (b *slurmBuilder) buildArrayIndexes() string {
Expand Down Expand Up @@ -480,40 +586,11 @@ type slurmInitEntrypointScript struct {
EnvsPath string
SlurmEnvFilename string

SlurmArrayJobID int32
SlurmArrayTaskCount int32
SlurmArrayTaskMax int32
SlurmArrayTaskMin int32
SlurmTasksPerNode int32
SlurmCPUsPerTask string
SlurmCPUsOnNode string
SlurmJobCPUsPerNode string
SlurmCPUsPerGPU string
SlurmMemPerCPU string
SlurmMemPerGPU string
SlurmMemPerNode string
SlurmGPUs string
SlurmNTasks int32
SlurmNTasksPerNode int32
SlurmNProcs int32
SlurmNNodes int32
SlurmSubmitDir string
SlurmJobNodeList string
SlurmJobFirstNode string

FirstNodeIP bool
FirstNodeIPTimeoutSeconds int32
}

func (b *slurmBuilder) buildInitEntrypointScript() (string, error) {
nTasks := ptr.Deref(b.nTasks, 1)
nodes := ptr.Deref(b.nodes, 1)

nodeList := make([]string, nodes)
for i := int32(0); i < nodes; i++ {
nodeList[i] = fmt.Sprintf("%s-%d.%s", b.objectName, i, b.objectName)
}

scriptValues := slurmInitEntrypointScript{
ArrayIndexes: b.buildArrayIndexes(),

Expand All @@ -523,27 +600,6 @@ func (b *slurmBuilder) buildInitEntrypointScript() (string, error) {
EnvsPath: slurmEnvsPath,
SlurmEnvFilename: slurmSlurmEnvFilename,

SlurmArrayJobID: slurmArrayJobID,
SlurmArrayTaskCount: int32(b.arrayIndexes.Count()),
SlurmArrayTaskMax: b.arrayIndexes.Max(),
SlurmArrayTaskMin: b.arrayIndexes.Min(),
SlurmTasksPerNode: nTasks,
SlurmCPUsPerTask: getValueOrEmpty(b.cpusPerTask),
SlurmCPUsOnNode: getValueOrEmpty(b.cpusOnNode),
SlurmJobCPUsPerNode: getValueOrEmpty(b.cpusOnNode),
SlurmCPUsPerGPU: getValueOrEmpty(b.cpusPerGpu),
SlurmMemPerCPU: getValueOrEmpty(b.memPerCPU),
SlurmMemPerGPU: getValueOrEmpty(b.memPerGPU),
SlurmMemPerNode: getValueOrEmpty(b.totalMemPerNode),
SlurmGPUs: getValueOrEmpty(b.totalGpus),
SlurmNTasks: nTasks,
SlurmNTasksPerNode: nTasks,
SlurmNProcs: nTasks,
SlurmNNodes: nodes,
SlurmSubmitDir: slurmScriptsPath,
SlurmJobNodeList: strings.Join(nodeList, ","),
SlurmJobFirstNode: nodeList[0],

FirstNodeIP: b.firstNodeIP,
FirstNodeIPTimeoutSeconds: int32(b.firstNodeIPTimeout.Seconds()),
}
Expand Down
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