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util.go
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util.go
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package api
import (
"fmt"
math "math"
"strings"
time "time"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"golang.org/x/exp/maps"
v1 "k8s.io/api/core/v1"
"github.com/armadaproject/armada/internal/common/armadaerrors"
"github.com/armadaproject/armada/internal/common/logging"
armadaresource "github.com/armadaproject/armada/internal/common/resource"
"github.com/armadaproject/armada/internal/common/types"
"github.com/armadaproject/armada/internal/scheduler/schedulerobjects"
)
// IsTerminal returns true if the JobState s corresponds to a state
// that indicates the job has been terminated.
func (s JobState) IsTerminal() bool {
switch s {
case JobState_SUCCEEDED:
return true
case JobState_FAILED:
return true
}
return false
}
func NewNodeFromNodeInfo(nodeInfo *NodeInfo, executor string, allowedPriorities []int32, lastSeen time.Time) (*schedulerobjects.Node, error) {
if executor == "" {
return nil, errors.WithStack(&armadaerrors.ErrInvalidArgument{
Name: "executor",
Value: executor,
Message: "executor is empty",
})
}
if nodeInfo.Name == "" {
return nil, errors.WithStack(&armadaerrors.ErrInvalidArgument{
Name: "nodeInfo.Name",
Value: nodeInfo.Name,
Message: "nodeInfo.Name is empty",
})
}
allocatableByPriorityAndResource := schedulerobjects.NewAllocatableByPriorityAndResourceType(
allowedPriorities,
schedulerobjects.ResourceList{
Resources: nodeInfo.TotalResources,
},
)
for p, rl := range nodeInfo.NonArmadaAllocatedResources {
allocatableByPriorityAndResource.MarkAllocated(p, schedulerobjects.ResourceList{Resources: rl.Resources})
}
nonArmadaAllocatedResources := make(map[int32]schedulerobjects.ResourceList)
for p, rl := range nodeInfo.NonArmadaAllocatedResources {
nonArmadaAllocatedResources[p] = schedulerobjects.ResourceList{Resources: rl.Resources}
}
resourceUsageByQueue := make(map[string]*schedulerobjects.ResourceList)
for queueName, resourceUsage := range nodeInfo.ResourceUsageByQueue {
resourceUsageByQueue[queueName] = &schedulerobjects.ResourceList{Resources: resourceUsage.Resources}
}
jobRunsByState := make(map[string]schedulerobjects.JobRunState)
for jobId, state := range nodeInfo.RunIdsByState {
jobRunsByState[jobId] = JobRunStateFromApiJobState(state)
}
return &schedulerobjects.Node{
Id: NodeIdFromExecutorAndNodeName(executor, nodeInfo.Name),
Name: nodeInfo.Name,
Executor: executor,
LastSeen: lastSeen,
Taints: nodeInfo.GetTaints(),
Labels: nodeInfo.GetLabels(),
TotalResources: schedulerobjects.ResourceList{Resources: nodeInfo.TotalResources},
AllocatableByPriorityAndResource: allocatableByPriorityAndResource,
NonArmadaAllocatedResources: nonArmadaAllocatedResources,
StateByJobRunId: jobRunsByState,
Unschedulable: nodeInfo.Unschedulable,
ResourceUsageByQueue: resourceUsageByQueue,
ReportingNodeType: nodeInfo.NodeType,
}, nil
}
func NodeIdFromExecutorAndNodeName(executor, nodeName string) string {
return fmt.Sprintf("%s-%s", executor, nodeName)
}
func JobRunStateFromApiJobState(s JobState) schedulerobjects.JobRunState {
switch s {
case JobState_QUEUED:
return schedulerobjects.JobRunState_UNKNOWN
case JobState_PENDING:
return schedulerobjects.JobRunState_PENDING
case JobState_RUNNING:
return schedulerobjects.JobRunState_RUNNING
case JobState_SUCCEEDED:
return schedulerobjects.JobRunState_SUCCEEDED
case JobState_FAILED:
return schedulerobjects.JobRunState_FAILED
case JobState_UNKNOWN:
return schedulerobjects.JobRunState_UNKNOWN
}
return schedulerobjects.JobRunState_UNKNOWN
}
func (job *Job) GetPerQueuePriority() uint32 {
priority := job.Priority
if priority < 0 {
return 0
}
if priority > math.MaxUint32 {
return math.MaxUint32
}
return uint32(math.Round(priority))
}
func (job *Job) GetSubmitTime() time.Time {
return job.Created
}
func (job *Job) GetPodRequirements(priorityClasses map[string]types.PriorityClass) *schedulerobjects.PodRequirements {
podSpec := job.GetMainPodSpec()
priority, ok := PriorityFromPodSpec(podSpec, priorityClasses)
if priorityClasses != nil && !ok {
// Ignore this error if priorityByPriorityClassName is explicitly set to nil.
// We assume that in this case the caller is sure the priority does not need to be set.
err := errors.Errorf("unknown priorityClassName %s", podSpec.PriorityClassName)
logging.WithStacktrace(logrus.NewEntry(logrus.New()), err).Error("failed to get priority from priorityClassName")
}
preemptionPolicy := string(v1.PreemptLowerPriority)
if podSpec.PreemptionPolicy != nil {
preemptionPolicy = string(*podSpec.PreemptionPolicy)
}
return &schedulerobjects.PodRequirements{
NodeSelector: podSpec.NodeSelector,
Affinity: podSpec.Affinity,
Tolerations: podSpec.Tolerations,
Annotations: maps.Clone(job.Annotations),
Priority: priority,
PreemptionPolicy: preemptionPolicy,
ResourceRequirements: job.GetResourceRequirements(),
}
}
// SchedulingResourceRequirementsFromPodSpec returns resource requests and limits necessary for scheduling a pod.
// The requests and limits are set to:
//
// max(
//
// sum across all containers,
// max over all init containers,
//
// )
//
// This is because containers run in parallel, whereas initContainers run serially.
func SchedulingResourceRequirementsFromPodSpec(podSpec *v1.PodSpec) v1.ResourceRequirements {
rv := v1.ResourceRequirements{
Requests: make(v1.ResourceList),
Limits: make(v1.ResourceList),
}
for _, c := range podSpec.Containers {
for t, request := range c.Resources.Requests {
q := rv.Requests[t]
q.Add(request)
rv.Requests[t] = q
}
for t, limit := range c.Resources.Limits {
q := rv.Limits[t]
q.Add(limit)
rv.Limits[t] = q
}
}
for _, c := range podSpec.InitContainers {
for t, request := range c.Resources.Requests {
if request.Cmp(rv.Requests[t]) == 1 {
rv.Requests[t] = request
}
}
for t, limit := range c.Resources.Limits {
if limit.Cmp(rv.Limits[t]) == 1 {
rv.Limits[t] = limit
}
}
}
return rv
}
// PriorityFromPodSpec returns the priority in a pod spec.
// If priority is set directly, that value is returned.
// Otherwise, it returns the value of the key podSpec.
// In both cases the value along with true boolean is returned.
// PriorityClassName in priorityByPriorityClassName map.
// If no priority is set for the pod spec, 0 along with a false boolean would be returned
func PriorityFromPodSpec(podSpec *v1.PodSpec, priorityClasses map[string]types.PriorityClass) (int32, bool) {
// If there's no podspec there's nothing we can do
if podSpec == nil {
return 0, false
}
// If a priority is directly specified, use that
if podSpec.Priority != nil {
return *podSpec.Priority, true
}
// If we find a priority class use that
priorityClass, ok := priorityClasses[podSpec.PriorityClassName]
if ok {
return priorityClass.Priority, true
}
// Couldn't find anything
return 0, false
}
func (job *Job) GetPriorityClassName() string {
podSpec := job.GetMainPodSpec()
return podSpec.PriorityClassName
}
func (job *Job) GetNodeSelector() map[string]string {
podSpec := job.GetMainPodSpec()
return podSpec.NodeSelector
}
func (job *Job) GetAffinity() *v1.Affinity {
podSpec := job.GetMainPodSpec()
return podSpec.Affinity
}
func (job *Job) GetTolerations() []v1.Toleration {
podSpec := job.GetMainPodSpec()
return podSpec.Tolerations
}
func (job *Job) GetResourceRequirements() v1.ResourceRequirements {
// Use pre-computed schedulingResourceRequirements if available.
// Otherwise compute it from the containers in podSpec.
podSpec := job.GetMainPodSpec()
if len(job.SchedulingResourceRequirements.Requests) > 0 || len(job.SchedulingResourceRequirements.Limits) > 0 {
return job.SchedulingResourceRequirements
} else {
return SchedulingResourceRequirementsFromPodSpec(podSpec)
}
}
func (job *Job) GetJobSet() string {
return job.JobSetId
}
func (job *Job) GetMainPodSpec() *v1.PodSpec {
if job.PodSpec != nil {
return job.PodSpec
}
for _, podSpec := range job.PodSpecs {
if podSpec != nil {
return podSpec
}
}
return nil
}
func (job *JobSubmitRequestItem) GetMainPodSpec() *v1.PodSpec {
if job.PodSpec != nil {
return job.PodSpec
} else if len(job.PodSpecs) > 0 {
return job.PodSpecs[0]
}
return nil
}
func (job *Job) TotalResourceRequest() armadaresource.ComputeResources {
podSpec := job.GetMainPodSpec()
return armadaresource.TotalPodResourceRequest(podSpec)
}
func ShortStringFromEventMessages(msgs []*EventMessage) string {
var sb strings.Builder
sb.WriteString("[")
for i, msg := range msgs {
sb.WriteString(msg.ShortString())
if i < len(msgs)-1 {
sb.WriteString(", ")
}
}
sb.WriteString("]")
return sb.String()
}
func (msg *EventMessage) ShortString() string {
return strings.ReplaceAll(fmt.Sprintf("%T", msg.Events), "*api.EventMessage_", "")
}
func (testSpec *TestSpec) ShortString() string {
var sb strings.Builder
sb.WriteString(
fmt.Sprintf(
"%s: {queue: %s, job set: %s, timeout: %s, expected: [",
testSpec.Name, testSpec.Queue, testSpec.JobSetId, testSpec.Timeout.String(),
),
)
for i, e := range testSpec.GetExpectedEvents() {
sb.WriteString(e.ShortString())
if i < len(testSpec.GetExpectedEvents())-1 {
sb.WriteString(", ")
}
}
sb.WriteString("]}")
return sb.String()
}
func JobIdFromApiEvent(msg *EventMessage) string {
switch e := msg.Events.(type) {
case *EventMessage_Submitted:
return e.Submitted.JobId
case *EventMessage_Queued:
return e.Queued.JobId
case *EventMessage_DuplicateFound:
return e.DuplicateFound.JobId
case *EventMessage_Leased:
return e.Leased.JobId
case *EventMessage_LeaseReturned:
return e.LeaseReturned.JobId
case *EventMessage_LeaseExpired:
return e.LeaseExpired.JobId
case *EventMessage_Pending:
return e.Pending.JobId
case *EventMessage_Running:
return e.Running.JobId
case *EventMessage_UnableToSchedule:
return e.UnableToSchedule.JobId
case *EventMessage_Failed:
return e.Failed.JobId
case *EventMessage_Succeeded:
return e.Succeeded.JobId
case *EventMessage_Reprioritized:
return e.Reprioritized.JobId
case *EventMessage_Cancelling:
return e.Cancelling.JobId
case *EventMessage_Cancelled:
return e.Cancelled.JobId
case *EventMessage_Terminated:
return e.Terminated.JobId
case *EventMessage_Utilisation:
return e.Utilisation.JobId
case *EventMessage_IngressInfo:
return e.IngressInfo.JobId
case *EventMessage_Reprioritizing:
return e.Reprioritizing.JobId
case *EventMessage_Updated:
return e.Updated.JobId
case *EventMessage_Preempted:
return e.Preempted.JobId
}
return ""
}
func JobSetIdFromApiEvent(msg *EventMessage) string {
switch e := msg.Events.(type) {
case *EventMessage_Submitted:
return e.Submitted.JobSetId
case *EventMessage_Queued:
return e.Queued.JobSetId
case *EventMessage_DuplicateFound:
return e.DuplicateFound.JobSetId
case *EventMessage_Leased:
return e.Leased.JobSetId
case *EventMessage_LeaseReturned:
return e.LeaseReturned.JobSetId
case *EventMessage_LeaseExpired:
return e.LeaseExpired.JobSetId
case *EventMessage_Pending:
return e.Pending.JobSetId
case *EventMessage_Running:
return e.Running.JobSetId
case *EventMessage_UnableToSchedule:
return e.UnableToSchedule.JobSetId
case *EventMessage_Failed:
return e.Failed.JobSetId
case *EventMessage_Succeeded:
return e.Succeeded.JobSetId
case *EventMessage_Reprioritized:
return e.Reprioritized.JobSetId
case *EventMessage_Cancelling:
return e.Cancelling.JobSetId
case *EventMessage_Cancelled:
return e.Cancelled.JobSetId
case *EventMessage_Terminated:
return e.Terminated.JobSetId
case *EventMessage_Utilisation:
return e.Utilisation.JobSetId
case *EventMessage_IngressInfo:
return e.IngressInfo.JobSetId
case *EventMessage_Reprioritizing:
return e.Reprioritizing.JobSetId
case *EventMessage_Updated:
return e.Updated.JobSetId
case *EventMessage_Preempted:
return e.Preempted.JobSetId
}
return ""
}