common

package
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Published: Mar 12, 2024 License: Apache-2.0 Imports: 2 Imported by: 0

Documentation

Overview

Package v1 is the v1 version of the API. +groupName=kubeflow.org

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.

Index

Constants

View Source
const (
	// ReplicaIndexLabel represents the label key for the replica-index, e.g. the value is 0, 1, 2.. etc
	ReplicaIndexLabel = "replica-index"

	// ReplicaTypeLabel represents the label key for the replica-type, e.g. the value is ps , worker etc.
	ReplicaTypeLabel = "replica-type"

	// GroupNameLabel represents the label key for group name, e.g. the value is kubeflow.org
	GroupNameLabel = "group-name"

	// JobNameLabel represents the label key for the job name, the value is job name
	JobNameLabel = "job-name"

	// JobRoleLabel represents the label key for the job role, e.g. the value is master
	JobRoleLabel = "job-role"
)

Variables

This section is empty.

Functions

This section is empty.

Types

type CleanPodPolicy

type CleanPodPolicy string

CleanPodPolicy describes how to deal with pods when the job is finished.

const (
	CleanPodPolicyUndefined CleanPodPolicy = ""
	CleanPodPolicyAll       CleanPodPolicy = "All"
	CleanPodPolicyRunning   CleanPodPolicy = "Running"
	CleanPodPolicyNone      CleanPodPolicy = "None"
)

type JobCondition

type JobCondition struct {
	// Type of job condition.
	Type JobConditionType `json:"type"`
	// Status of the condition, one of True, False, Unknown.
	Status v1.ConditionStatus `json:"status"`
	// The reason for the condition's last transition.
	Reason string `json:"reason,omitempty"`
	// A human readable message indicating details about the transition.
	Message string `json:"message,omitempty"`
	// The last time this condition was updated.
	LastUpdateTime metav1.Time `json:"lastUpdateTime,omitempty"`
	// Last time the condition transitioned from one status to another.
	LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty"`
}

+k8s:deepcopy-gen=true JobCondition describes the state of the job at a certain point.

func (*JobCondition) DeepCopy

func (in *JobCondition) DeepCopy() *JobCondition

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new JobCondition.

func (*JobCondition) DeepCopyInto

func (in *JobCondition) DeepCopyInto(out *JobCondition)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type JobConditionType

type JobConditionType string

JobConditionType defines all kinds of types of JobStatus.

const (
	// JobCreated means the job has been accepted by the system,
	// but one or more of the pods/services has not been started.
	// This includes time before pods being scheduled and launched.
	JobCreated JobConditionType = "Created"

	// JobRunning means all sub-resources (e.g. services/pods) of this job
	// have been successfully scheduled and launched.
	// The training is running without error.
	JobRunning JobConditionType = "Running"

	// JobRestarting means one or more sub-resources (e.g. services/pods) of this job
	// reached phase failed but maybe restarted according to it's restart policy
	// which specified by user in v1.PodTemplateSpec.
	// The training is freezing/pending.
	JobRestarting JobConditionType = "Restarting"

	// JobSucceeded means all sub-resources (e.g. services/pods) of this job
	// reached phase have terminated in success.
	// The training is complete without error.
	JobSucceeded JobConditionType = "Succeeded"

	// JobFailed means one or more sub-resources (e.g. services/pods) of this job
	// reached phase failed with no restarting.
	// The training has failed its execution.
	JobFailed JobConditionType = "Failed"

	Scaling        JobConditionType = "Scaling"
	ScaleFailed    JobConditionType = "ScaleFailed"
	ScaleSucceeded JobConditionType = "ScaleSucceeded"
	ScriptExecuted JobConditionType = "ScriptExecuted"

	WorkersCreated JobConditionType = "WorkersCreated"
	WorkersReady   JobConditionType = "WorkersReady"
)

type JobStatus

type JobStatus struct {

	// record delete pods for scalein
	ToDeletePods []string `json:"toDeletePods,omitempty"`

	// record trainingjob current phase
	Phase JobConditionType `json:"phase,omitempty"`
	// Conditions is an array of current observed job conditions.
	Conditions []JobCondition `json:"conditions"`

	// ReplicaStatuses is map of ReplicaType and ReplicaStatus,
	// specifies the status of each replica.
	ReplicaStatuses map[ReplicaType]*ReplicaStatus `json:"replicaStatuses"`

	// Represents time when the job was acknowledged by the job controller.
	// It is not guaranteed to be set in happens-before order across separate operations.
	// It is represented in RFC3339 form and is in UTC.
	StartTime *metav1.Time `json:"startTime,omitempty"`

	// Represents time when the job was completed. It is not guaranteed to
	// be set in happens-before order across separate operations.
	// It is represented in RFC3339 form and is in UTC.
	CompletionTime *metav1.Time `json:"completionTime,omitempty"`

	// Represents last time when the job was reconciled. It is not guaranteed to
	// be set in happens-before order across separate operations.
	// It is represented in RFC3339 form and is in UTC.
	LastReconcileTime *metav1.Time `json:"lastReconcileTime,omitempty"`
}

+k8s:deepcopy-gen=true JobStatus represents the current observed state of the training Job.

func (*JobStatus) DeepCopy

func (in *JobStatus) DeepCopy() *JobStatus

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new JobStatus.

func (*JobStatus) DeepCopyInto

func (in *JobStatus) DeepCopyInto(out *JobStatus)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type ReplicaSpec

type ReplicaSpec struct {
	// Replicas is the desired number of replicas of the given template.
	// If unspecified, defaults to 1.
	Replicas *int32 `json:"replicas,omitempty"`

	// Template is the object that describes the pod that
	// will be created for this replica. RestartPolicy in PodTemplateSpec
	// will be overide by RestartPolicy in ReplicaSpec
	Template v1.PodTemplateSpec `json:"template,omitempty"`

	// Restart policy for all replicas within the job.
	// One of Always, OnFailure, Never and ExitCode.
	// Default to Never.
	RestartPolicy RestartPolicy `json:"restartPolicy,omitempty"`
}

+k8s:deepcopy-gen=true ReplicaSpec is a description of the replica

func (*ReplicaSpec) DeepCopy

func (in *ReplicaSpec) DeepCopy() *ReplicaSpec

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ReplicaSpec.

func (*ReplicaSpec) DeepCopyInto

func (in *ReplicaSpec) DeepCopyInto(out *ReplicaSpec)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type ReplicaStatus

type ReplicaStatus struct {
	// The number of actively running pods.
	Active int32 `json:"active,omitempty"`

	// The number of pods which reached phase Succeeded.
	Succeeded int32 `json:"succeeded,omitempty"`

	// The number of pods which reached phase Failed.
	Failed int32 `json:"failed,omitempty"`
}

ReplicaStatus represents the current observed state of the replica.

func (*ReplicaStatus) DeepCopy

func (in *ReplicaStatus) DeepCopy() *ReplicaStatus

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ReplicaStatus.

func (*ReplicaStatus) DeepCopyInto

func (in *ReplicaStatus) DeepCopyInto(out *ReplicaStatus)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type ReplicaType

type ReplicaType string

ReplicaType represents the type of the replica. Each operator needs to define its own set of ReplicaTypes.

type RestartPolicy

type RestartPolicy string

RestartPolicy describes how the replicas should be restarted. Only one of the following restart policies may be specified. If none of the following policies is specified, the default one is RestartPolicyAlways.

const (
	RestartPolicyAlways    RestartPolicy = "Always"
	RestartPolicyOnFailure RestartPolicy = "OnFailure"
	RestartPolicyNever     RestartPolicy = "Never"

	// RestartPolicyExitCode policy means that user should add exit code by themselves,
	// The job operator will check these exit codes to
	// determine the behavior when an error occurs:
	// - 1-127: permanent error, do not restart.
	// - 128-255: retryable error, will restart the pod.
	RestartPolicyExitCode RestartPolicy = "ExitCode"
)

type RunPolicy

type RunPolicy struct {
	// CleanPodPolicy defines the policy to kill pods after the job completes.
	// Default to Running.
	CleanPodPolicy *CleanPodPolicy `json:"cleanPodPolicy,omitempty"`

	// TTLSecondsAfterFinished is the TTL to clean up jobs.
	// It may take extra ReconcilePeriod seconds for the cleanup, since
	// reconcile gets called periodically.
	// Default to infinite.
	TTLSecondsAfterFinished *int32 `json:"ttlSecondsAfterFinished,omitempty"`

	// Specifies the duration in seconds relative to the startTime that the job may be active
	// before the system tries to terminate it; value must be positive integer.
	// +optional
	ActiveDeadlineSeconds *int64 `json:"activeDeadlineSeconds,omitempty"`

	// Optional number of retries before marking this job failed.
	// +optional
	BackoffLimit *int32 `json:"backoffLimit,omitempty"`

	// SchedulingPolicy defines the policy related to scheduling, e.g. gang-scheduling
	// +optional
	SchedulingPolicy *SchedulingPolicy `json:"schedulingPolicy,omitempty"`
}

+k8s:deepcopy-gen=true RunPolicy encapsulates various runtime policies of the distributed training job, for example how to clean up resources and how long the job can stay active.

func (*RunPolicy) DeepCopy

func (in *RunPolicy) DeepCopy() *RunPolicy

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RunPolicy.

func (*RunPolicy) DeepCopyInto

func (in *RunPolicy) DeepCopyInto(out *RunPolicy)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type SchedulingPolicy

type SchedulingPolicy struct {
	MinAvailable *int32 `json:"minAvailable,omitempty"`
}

SchedulingPolicy encapsulates various scheduling policies of the distributed training job, for example `minAvailable` for gang-scheduling.

func (*SchedulingPolicy) DeepCopy

func (in *SchedulingPolicy) DeepCopy() *SchedulingPolicy

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new SchedulingPolicy.

func (*SchedulingPolicy) DeepCopyInto

func (in *SchedulingPolicy) DeepCopyInto(out *SchedulingPolicy)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

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