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438 lines
20 KiB
Go
438 lines
20 KiB
Go
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/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package v1
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import (
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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)
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const (
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JobCompletionIndexAnnotation = "batch.kubernetes.io/job-completion-index"
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// JobTrackingFinalizer is a finalizer for Job's pods. It prevents them from
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// being deleted before being accounted in the Job status.
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// The apiserver and job controller use this string as a Job annotation, to
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// mark Jobs that are being tracked using pod finalizers. Two releases after
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// the JobTrackingWithFinalizers graduates to GA, JobTrackingFinalizer will
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// no longer be used as a Job annotation.
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JobTrackingFinalizer = "batch.kubernetes.io/job-tracking"
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)
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// +genclient
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// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
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// Job represents the configuration of a single job.
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type Job struct {
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metav1.TypeMeta `json:",inline"`
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// Standard object's metadata.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
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// +optional
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metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
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// Specification of the desired behavior of a job.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
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// +optional
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Spec JobSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"`
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// Current status of a job.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
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// +optional
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Status JobStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
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}
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// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
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// JobList is a collection of jobs.
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type JobList struct {
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metav1.TypeMeta `json:",inline"`
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// Standard list metadata.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
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// +optional
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metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
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// items is the list of Jobs.
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Items []Job `json:"items" protobuf:"bytes,2,rep,name=items"`
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}
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// CompletionMode specifies how Pod completions of a Job are tracked.
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type CompletionMode string
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const (
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// NonIndexedCompletion is a Job completion mode. In this mode, the Job is
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// considered complete when there have been .spec.completions
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// successfully completed Pods. Pod completions are homologous to each other.
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NonIndexedCompletion CompletionMode = "NonIndexed"
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// IndexedCompletion is a Job completion mode. In this mode, the Pods of a
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// Job get an associated completion index from 0 to (.spec.completions - 1).
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// The Job is considered complete when a Pod completes for each completion
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// index.
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IndexedCompletion CompletionMode = "Indexed"
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)
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// JobSpec describes how the job execution will look like.
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type JobSpec struct {
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// Specifies the maximum desired number of pods the job should
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// run at any given time. The actual number of pods running in steady state will
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// be less than this number when ((.spec.completions - .status.successful) < .spec.parallelism),
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// i.e. when the work left to do is less than max parallelism.
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// More info: https://kubernetes.io/docs/concepts/workloads/controllers/jobs-run-to-completion/
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// +optional
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Parallelism *int32 `json:"parallelism,omitempty" protobuf:"varint,1,opt,name=parallelism"`
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// Specifies the desired number of successfully finished pods the
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// job should be run with. Setting to nil means that the success of any
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// pod signals the success of all pods, and allows parallelism to have any positive
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// value. Setting to 1 means that parallelism is limited to 1 and the success of that
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// pod signals the success of the job.
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// More info: https://kubernetes.io/docs/concepts/workloads/controllers/jobs-run-to-completion/
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// +optional
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Completions *int32 `json:"completions,omitempty" protobuf:"varint,2,opt,name=completions"`
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// Specifies the duration in seconds relative to the startTime that the job
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// may be continuously active before the system tries to terminate it; value
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// must be positive integer. If a Job is suspended (at creation or through an
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// update), this timer will effectively be stopped and reset when the Job is
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// resumed again.
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// +optional
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ActiveDeadlineSeconds *int64 `json:"activeDeadlineSeconds,omitempty" protobuf:"varint,3,opt,name=activeDeadlineSeconds"`
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// Specifies the number of retries before marking this job failed.
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// Defaults to 6
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// +optional
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BackoffLimit *int32 `json:"backoffLimit,omitempty" protobuf:"varint,7,opt,name=backoffLimit"`
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// TODO enabled it when https://github.com/kubernetes/kubernetes/issues/28486 has been fixed
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// Optional number of failed pods to retain.
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// +optional
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// FailedPodsLimit *int32 `json:"failedPodsLimit,omitempty" protobuf:"varint,9,opt,name=failedPodsLimit"`
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// A label query over pods that should match the pod count.
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// Normally, the system sets this field for you.
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// More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors
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// +optional
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Selector *metav1.LabelSelector `json:"selector,omitempty" protobuf:"bytes,4,opt,name=selector"`
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// manualSelector controls generation of pod labels and pod selectors.
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// Leave `manualSelector` unset unless you are certain what you are doing.
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// When false or unset, the system pick labels unique to this job
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// and appends those labels to the pod template. When true,
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// the user is responsible for picking unique labels and specifying
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// the selector. Failure to pick a unique label may cause this
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// and other jobs to not function correctly. However, You may see
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// `manualSelector=true` in jobs that were created with the old `extensions/v1beta1`
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// API.
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// More info: https://kubernetes.io/docs/concepts/workloads/controllers/jobs-run-to-completion/#specifying-your-own-pod-selector
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// +optional
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ManualSelector *bool `json:"manualSelector,omitempty" protobuf:"varint,5,opt,name=manualSelector"`
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// Describes the pod that will be created when executing a job.
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// More info: https://kubernetes.io/docs/concepts/workloads/controllers/jobs-run-to-completion/
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Template v1.PodTemplateSpec `json:"template" protobuf:"bytes,6,opt,name=template"`
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// ttlSecondsAfterFinished limits the lifetime of a Job that has finished
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// execution (either Complete or Failed). If this field is set,
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// ttlSecondsAfterFinished after the Job finishes, it is eligible to be
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// automatically deleted. When the Job is being deleted, its lifecycle
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// guarantees (e.g. finalizers) will be honored. If this field is unset,
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// the Job won't be automatically deleted. If this field is set to zero,
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// the Job becomes eligible to be deleted immediately after it finishes.
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// This field is alpha-level and is only honored by servers that enable the
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// TTLAfterFinished feature.
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// +optional
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TTLSecondsAfterFinished *int32 `json:"ttlSecondsAfterFinished,omitempty" protobuf:"varint,8,opt,name=ttlSecondsAfterFinished"`
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// CompletionMode specifies how Pod completions are tracked. It can be
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// `NonIndexed` (default) or `Indexed`.
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//
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// `NonIndexed` means that the Job is considered complete when there have
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// been .spec.completions successfully completed Pods. Each Pod completion is
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// homologous to each other.
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//
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// `Indexed` means that the Pods of a
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// Job get an associated completion index from 0 to (.spec.completions - 1),
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// available in the annotation batch.kubernetes.io/job-completion-index.
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// The Job is considered complete when there is one successfully completed Pod
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// for each index.
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// When value is `Indexed`, .spec.completions must be specified and
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// `.spec.parallelism` must be less than or equal to 10^5.
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// In addition, The Pod name takes the form
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// `$(job-name)-$(index)-$(random-string)`,
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// the Pod hostname takes the form `$(job-name)-$(index)`.
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//
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// This field is beta-level. More completion modes can be added in the future.
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// If the Job controller observes a mode that it doesn't recognize, the
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// controller skips updates for the Job.
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// +optional
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CompletionMode *CompletionMode `json:"completionMode,omitempty" protobuf:"bytes,9,opt,name=completionMode,casttype=CompletionMode"`
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// Suspend specifies whether the Job controller should create Pods or not. If
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// a Job is created with suspend set to true, no Pods are created by the Job
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// controller. If a Job is suspended after creation (i.e. the flag goes from
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// false to true), the Job controller will delete all active Pods associated
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// with this Job. Users must design their workload to gracefully handle this.
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// Suspending a Job will reset the StartTime field of the Job, effectively
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// resetting the ActiveDeadlineSeconds timer too. Defaults to false.
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//
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// This field is beta-level, gated by SuspendJob feature flag (enabled by
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// default).
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//
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// +optional
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Suspend *bool `json:"suspend,omitempty" protobuf:"varint,10,opt,name=suspend"`
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}
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// JobStatus represents the current state of a Job.
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type JobStatus struct {
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// The latest available observations of an object's current state. When a Job
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// fails, one of the conditions will have type "Failed" and status true. When
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// a Job is suspended, one of the conditions will have type "Suspended" and
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// status true; when the Job is resumed, the status of this condition will
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// become false. When a Job is completed, one of the conditions will have
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// type "Complete" and status true.
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// More info: https://kubernetes.io/docs/concepts/workloads/controllers/jobs-run-to-completion/
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// +optional
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// +patchMergeKey=type
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// +patchStrategy=merge
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// +listType=atomic
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Conditions []JobCondition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,1,rep,name=conditions"`
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// Represents time when the job controller started processing a job. When a
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// Job is created in the suspended state, this field is not set until the
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// first time it is resumed. This field is reset every time a Job is resumed
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// from suspension. It is represented in RFC3339 form and is in UTC.
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// +optional
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StartTime *metav1.Time `json:"startTime,omitempty" protobuf:"bytes,2,opt,name=startTime"`
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// Represents time when the job was completed. It is not guaranteed to
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// be set in happens-before order across separate operations.
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// It is represented in RFC3339 form and is in UTC.
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// The completion time is only set when the job finishes successfully.
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// +optional
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CompletionTime *metav1.Time `json:"completionTime,omitempty" protobuf:"bytes,3,opt,name=completionTime"`
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// The number of actively running pods.
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// +optional
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Active int32 `json:"active,omitempty" protobuf:"varint,4,opt,name=active"`
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// The number of pods which reached phase Succeeded.
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// +optional
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Succeeded int32 `json:"succeeded,omitempty" protobuf:"varint,5,opt,name=succeeded"`
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// The number of pods which reached phase Failed.
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// +optional
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Failed int32 `json:"failed,omitempty" protobuf:"varint,6,opt,name=failed"`
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// CompletedIndexes holds the completed indexes when .spec.completionMode =
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// "Indexed" in a text format. The indexes are represented as decimal integers
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// separated by commas. The numbers are listed in increasing order. Three or
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// more consecutive numbers are compressed and represented by the first and
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// last element of the series, separated by a hyphen.
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// For example, if the completed indexes are 1, 3, 4, 5 and 7, they are
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// represented as "1,3-5,7".
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// +optional
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CompletedIndexes string `json:"completedIndexes,omitempty" protobuf:"bytes,7,opt,name=completedIndexes"`
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// UncountedTerminatedPods holds the UIDs of Pods that have terminated but
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// the job controller hasn't yet accounted for in the status counters.
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//
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// The job controller creates pods with a finalizer. When a pod terminates
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// (succeeded or failed), the controller does three steps to account for it
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// in the job status:
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// (1) Add the pod UID to the arrays in this field.
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// (2) Remove the pod finalizer.
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// (3) Remove the pod UID from the arrays while increasing the corresponding
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// counter.
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//
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// This field is alpha-level. The job controller only makes use of this field
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// when the feature gate PodTrackingWithFinalizers is enabled.
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// Old jobs might not be tracked using this field, in which case the field
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// remains null.
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// +optional
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UncountedTerminatedPods *UncountedTerminatedPods `json:"uncountedTerminatedPods,omitempty" protobuf:"bytes,8,opt,name=uncountedTerminatedPods"`
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}
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// UncountedTerminatedPods holds UIDs of Pods that have terminated but haven't
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// been accounted in Job status counters.
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type UncountedTerminatedPods struct {
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// Succeeded holds UIDs of succeeded Pods.
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// +listType=set
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// +optional
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Succeeded []types.UID `json:"succeeded,omitempty" protobuf:"bytes,1,rep,name=succeeded,casttype=k8s.io/apimachinery/pkg/types.UID"`
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// Failed holds UIDs of failed Pods.
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// +listType=set
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// +optional
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Failed []types.UID `json:"failed,omitempty" protobuf:"bytes,2,rep,name=failed,casttype=k8s.io/apimachinery/pkg/types.UID"`
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}
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type JobConditionType string
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// These are valid conditions of a job.
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const (
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// JobSuspended means the job has been suspended.
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JobSuspended JobConditionType = "Suspended"
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// JobComplete means the job has completed its execution.
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JobComplete JobConditionType = "Complete"
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// JobFailed means the job has failed its execution.
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JobFailed JobConditionType = "Failed"
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)
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// JobCondition describes current state of a job.
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type JobCondition struct {
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// Type of job condition, Complete or Failed.
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Type JobConditionType `json:"type" protobuf:"bytes,1,opt,name=type,casttype=JobConditionType"`
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// Status of the condition, one of True, False, Unknown.
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Status v1.ConditionStatus `json:"status" protobuf:"bytes,2,opt,name=status,casttype=k8s.io/api/core/v1.ConditionStatus"`
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// Last time the condition was checked.
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// +optional
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LastProbeTime metav1.Time `json:"lastProbeTime,omitempty" protobuf:"bytes,3,opt,name=lastProbeTime"`
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// Last time the condition transit from one status to another.
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// +optional
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LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty" protobuf:"bytes,4,opt,name=lastTransitionTime"`
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// (brief) reason for the condition's last transition.
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// +optional
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Reason string `json:"reason,omitempty" protobuf:"bytes,5,opt,name=reason"`
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// Human readable message indicating details about last transition.
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// +optional
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Message string `json:"message,omitempty" protobuf:"bytes,6,opt,name=message"`
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}
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// JobTemplateSpec describes the data a Job should have when created from a template
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type JobTemplateSpec struct {
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// Standard object's metadata of the jobs created from this template.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
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// +optional
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metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
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// Specification of the desired behavior of the job.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
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// +optional
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Spec JobSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"`
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}
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// +genclient
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// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
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// CronJob represents the configuration of a single cron job.
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type CronJob struct {
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metav1.TypeMeta `json:",inline"`
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// Standard object's metadata.
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||
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
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// +optional
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metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
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// Specification of the desired behavior of a cron job, including the schedule.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
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// +optional
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Spec CronJobSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"`
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// Current status of a cron job.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
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// +optional
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Status CronJobStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
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}
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// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
|
||
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// CronJobList is a collection of cron jobs.
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||
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type CronJobList struct {
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metav1.TypeMeta `json:",inline"`
|
||
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// Standard list metadata.
|
||
|
// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
|
||
|
// +optional
|
||
|
metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
|
||
|
|
||
|
// items is the list of CronJobs.
|
||
|
Items []CronJob `json:"items" protobuf:"bytes,2,rep,name=items"`
|
||
|
}
|
||
|
|
||
|
// 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 `json:"schedule" protobuf:"bytes,1,opt,name=schedule"`
|
||
|
|
||
|
// 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 `json:"startingDeadlineSeconds,omitempty" protobuf:"varint,2,opt,name=startingDeadlineSeconds"`
|
||
|
|
||
|
// 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 `json:"concurrencyPolicy,omitempty" protobuf:"bytes,3,opt,name=concurrencyPolicy,casttype=ConcurrencyPolicy"`
|
||
|
|
||
|
// This flag tells the controller to suspend subsequent executions, it does
|
||
|
// not apply to already started executions. Defaults to false.
|
||
|
// +optional
|
||
|
Suspend *bool `json:"suspend,omitempty" protobuf:"varint,4,opt,name=suspend"`
|
||
|
|
||
|
// Specifies the job that will be created when executing a CronJob.
|
||
|
JobTemplate JobTemplateSpec `json:"jobTemplate" protobuf:"bytes,5,opt,name=jobTemplate"`
|
||
|
|
||
|
// The number of successful finished jobs to retain. Value must be non-negative integer.
|
||
|
// Defaults to 3.
|
||
|
// +optional
|
||
|
SuccessfulJobsHistoryLimit *int32 `json:"successfulJobsHistoryLimit,omitempty" protobuf:"varint,6,opt,name=successfulJobsHistoryLimit"`
|
||
|
|
||
|
// The number of failed finished jobs to retain. Value must be non-negative integer.
|
||
|
// Defaults to 1.
|
||
|
// +optional
|
||
|
FailedJobsHistoryLimit *int32 `json:"failedJobsHistoryLimit,omitempty" protobuf:"varint,7,opt,name=failedJobsHistoryLimit"`
|
||
|
}
|
||
|
|
||
|
// 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
|
||
|
// +listType=atomic
|
||
|
Active []v1.ObjectReference `json:"active,omitempty" protobuf:"bytes,1,rep,name=active"`
|
||
|
|
||
|
// Information when was the last time the job was successfully scheduled.
|
||
|
// +optional
|
||
|
LastScheduleTime *metav1.Time `json:"lastScheduleTime,omitempty" protobuf:"bytes,4,opt,name=lastScheduleTime"`
|
||
|
|
||
|
// Information when was the last time the job successfully completed.
|
||
|
// +optional
|
||
|
LastSuccessfulTime *metav1.Time `json:"lastSuccessfulTime,omitempty" protobuf:"bytes,5,opt,name=lastSuccessfulTime"`
|
||
|
}
|