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/*
Copyright 2016 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 batch
import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
api "k8s.io/kubernetes/pkg/apis/core"
)
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// Job represents the configuration of a single job.
type Job struct {
metav1.TypeMeta
// Standard object's metadata.
// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
// +optional
metav1.ObjectMeta
// Specification of the desired behavior of a job.
// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
// +optional
Spec JobSpec
// Current status of a job.
// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
// +optional
Status JobStatus
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// JobList is a collection of jobs.
type JobList struct {
metav1.TypeMeta
// Standard list metadata.
// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
// +optional
metav1.ListMeta
// items is the list of Jobs.
Items []Job
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// JobTemplate describes a template for creating copies of a predefined pod.
type JobTemplate struct {
metav1.TypeMeta
// Standard object's metadata.
// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
// +optional
metav1.ObjectMeta
// Defines jobs that will be created from this template.
// https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
// +optional
Template JobTemplateSpec
}
// JobTemplateSpec describes the data a Job should have when created from a template
type JobTemplateSpec struct {
// Standard object's metadata of the jobs created from this template.
// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
// +optional
metav1.ObjectMeta
// Specification of the desired behavior of the job.
// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
// +optional
Spec JobSpec
}
// JobSpec describes how the job execution will look like.
type JobSpec struct {
// Specifies the maximum desired number of pods the job should
// run at any given time. The actual number of pods running in steady state will
// be less than this number when ((.spec.completions - .status.successful) < .spec.parallelism),
// i.e. when the work left to do is less than max parallelism.
// +optional
Parallelism *int32
// Specifies the desired number of successfully finished pods the
// job should be run with. Setting to nil means that the success of any
// pod signals the success of all pods, and allows parallelism to have any positive
// value. Setting to 1 means that parallelism is limited to 1 and the success of that
// pod signals the success of the job.
// +optional
Completions *int32
// Optional 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
// Optional number of retries before marking this job failed.
// Defaults to 6
// +optional
BackoffLimit *int32
// TODO enabled it when https://github.com/kubernetes/kubernetes/issues/28486 has been fixed
// Optional number of failed pods to retain.
// +optional
// FailedPodsLimit *int32
// A label query over pods that should match the pod count.
// Normally, the system sets this field for you.
// +optional
Selector *metav1.LabelSelector
// manualSelector controls generation of pod labels and pod selectors.
// Leave `manualSelector` unset unless you are certain what you are doing.
// When false or unset, the system pick labels unique to this job
// and appends those labels to the pod template. When true,
// the user is responsible for picking unique labels and specifying
// the selector. Failure to pick a unique label may cause this
// and other jobs to not function correctly. However, You may see
// `manualSelector=true` in jobs that were created with the old `extensions/v1beta1`
// API.
// +optional
ManualSelector *bool
// Describes the pod that will be created when executing a job.
Template api.PodTemplateSpec
// ttlSecondsAfterFinished limits the lifetime of a Job that has finished
// execution (either Complete or Failed). If this field is set,
// ttlSecondsAfterFinished after the Job finishes, it is eligible to be
// automatically deleted. When the Job is being deleted, its lifecycle
// guarantees (e.g. finalizers) will be honored. If this field is unset,
// the Job won't be automatically deleted. If this field is set to zero,
// the Job becomes eligible to be deleted immediately after it finishes.
// This field is alpha-level and is only honored by servers that enable the
// TTLAfterFinished feature.
// +optional
TTLSecondsAfterFinished *int32
}
// JobStatus represents the current state of a Job.
type JobStatus struct {
// The latest available observations of an object's current state.
// +optional
Conditions []JobCondition
// 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.
// +optional
StartTime *metav1.Time
// 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.
// +optional
CompletionTime *metav1.Time
// The number of actively running pods.
// +optional
Active int32
// The number of pods which reached phase Succeeded.
// +optional
Succeeded int32
// The number of pods which reached phase Failed.
// +optional
Failed int32
}
// JobConditionType is a valid value for JobCondition.Type
type JobConditionType string
// These are valid conditions of a job.
const (
// JobComplete means the job has completed its execution.
JobComplete JobConditionType = "Complete"
// JobFailed means the job has failed its execution.
JobFailed JobConditionType = "Failed"
)
// JobCondition describes current state of a job.
type JobCondition struct {
// Type of job condition, Complete or Failed.
Type JobConditionType
// Status of the condition, one of True, False, Unknown.
Status api.ConditionStatus
// Last time the condition was checked.
// +optional
LastProbeTime metav1.Time
// Last time the condition transit from one status to another.
// +optional
LastTransitionTime metav1.Time
// (brief) reason for the condition's last transition.
// +optional
Reason string
// Human readable message indicating details about last transition.
// +optional
Message string
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// CronJob represents the configuration of a single cron job.
type CronJob struct {
metav1.TypeMeta
// Standard object's metadata.
// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
// +optional
metav1.ObjectMeta
// Specification of the desired behavior of a cron job, including the schedule.
// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
// +optional
Spec CronJobSpec
// Current status of a cron job.
// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
// +optional
Status CronJobStatus
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// CronJobList is a collection of cron jobs.
type CronJobList struct {
metav1.TypeMeta
// Standard list metadata.
// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
// +optional
metav1.ListMeta
// items is the list of CronJobs.
Items []CronJob
}
// CronJobSpec describes how the job execution will look like and when it will actually run.
type CronJobSpec struct {
// The schedule in Cron format, see https://en.wikipedia.org/wiki/Cron.
Schedule string
// Optional deadline in seconds for starting the job if it misses scheduled
// time for any reason. Missed jobs executions will be counted as failed ones.
// +optional
StartingDeadlineSeconds *int64
// Specifies how to treat concurrent executions of a Job.
// Valid values are:
// - "Allow" (default): allows CronJobs to run concurrently;
// - "Forbid": forbids concurrent runs, skipping next run if previous run hasn't finished yet;
// - "Replace": cancels currently running job and replaces it with a new one
// +optional
ConcurrencyPolicy ConcurrencyPolicy
// This flag tells the controller to suspend subsequent executions, it does
// not apply to already started executions. Defaults to false.
// +optional
Suspend *bool
// Specifies the job that will be created when executing a CronJob.
JobTemplate JobTemplateSpec
// The number of successful finished jobs to retain.
// This is a pointer to distinguish between explicit zero and not specified.
// +optional
SuccessfulJobsHistoryLimit *int32
// The number of failed finished jobs to retain.
// This is a pointer to distinguish between explicit zero and not specified.
// +optional
FailedJobsHistoryLimit *int32
}
// ConcurrencyPolicy describes how the job will be handled.
// Only one of the following concurrent policies may be specified.
// If none of the following policies is specified, the default one
// is AllowConcurrent.
type ConcurrencyPolicy string
const (
// AllowConcurrent allows CronJobs to run concurrently.
AllowConcurrent ConcurrencyPolicy = "Allow"
// ForbidConcurrent forbids concurrent runs, skipping next run if previous
// hasn't finished yet.
ForbidConcurrent ConcurrencyPolicy = "Forbid"
// ReplaceConcurrent cancels currently running job and replaces it with a new one.
ReplaceConcurrent ConcurrencyPolicy = "Replace"
)
// CronJobStatus represents the current state of a cron job.
type CronJobStatus struct {
// A list of pointers to currently running jobs.
// +optional
Active []api.ObjectReference
// Information when was the last time the job was successfully scheduled.
// +optional
LastScheduleTime *metav1.Time
}
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