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/*
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.
*/
// +kubebuilder:docs-gen:collapse=Apache License
/*
Since we're in a v2 package, controller-gen will assume this is for the v2
version automatically. We could override that with the [`+versionName`
marker](/reference/markers/crd.md).
*/
package v2
/*
*/
import (
batchv1beta1 "k8s.io/api/batch/v1beta1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// EDIT THIS FILE! THIS IS SCAFFOLDING FOR YOU TO OWN!
// NOTE: json tags are required. Any new fields you add must have json tags for the fields to be serialized.
// +kubebuilder:docs-gen:collapse=Imports
/*
We'll leave our spec largely unchanged, except to change the schedule field to a new type.
*/
// CronJobSpec defines the desired state of CronJob
type CronJobSpec struct {
// The schedule in Cron format, see https://en.wikipedia.org/wiki/Cron.
Schedule CronSchedule `json:"schedule"`
/*
*/
// +kubebuilder:validation:Minimum=0
// 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"`
// 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"`
// 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"`
// Specifies the job that will be created when executing a CronJob.
JobTemplate batchv1beta1.JobTemplateSpec `json:"jobTemplate"`
// +kubebuilder:validation:Minimum=0
// The number of successful finished jobs to retain.
// This is a pointer to distinguish between explicit zero and not specified.
// +optional
SuccessfulJobsHistoryLimit *int32 `json:"successfulJobsHistoryLimit,omitempty"`
// +kubebuilder:validation:Minimum=0
// The number of failed finished jobs to retain.
// This is a pointer to distinguish between explicit zero and not specified.
// +optional
FailedJobsHistoryLimit *int32 `json:"failedJobsHistoryLimit,omitempty"`
// +kubebuilder:docs-gen:collapse=The rest of Spec
}
/*
Next, we'll need to define a type to hold our schedule.
Based on our proposed YAML above, it'll have a field for
each corresponding Cron "field".
*/
// describes a Cron schedule.
type CronSchedule struct {
// specifies the minute during which the job executes.
// +optional
Minute *CronField `json:"minute,omitempty"`
// specifies the hour during which the job executes.
// +optional
Hour *CronField `json:"hour,omitempty"`
// specifies the day of the month during which the job executes.
// +optional
DayOfMonth *CronField `json:"dayOfMonth,omitempty"`
// specifies the month during which the job executes.
// +optional
Month *CronField `json:"month,omitempty"`
// specifies the day of the week during which the job executes.
// +optional
DayOfWeek *CronField `json:"dayOfWeek,omitempty"`
}
/*
Finally, we'll define a wrapper type to represent a field.
We could attach additional validation to this field,
but for now we'll just use it for documentation purposes.
*/
// represents a Cron field specifier.
type CronField string
/*
All the other types will stay the same as before.
*/
// 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.
// +kubebuilder:validation:Enum=Allow;Forbid;Replace
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 defines the observed state of CronJob
type CronJobStatus struct {
// INSERT ADDITIONAL STATUS FIELD - define observed state of cluster
// Important: Run "make" to regenerate code after modifying this file
// A list of pointers to currently running jobs.
// +optional
Active []corev1.ObjectReference `json:"active,omitempty"`
// Information when was the last time the job was successfully scheduled.
// +optional
LastScheduleTime *metav1.Time `json:"lastScheduleTime,omitempty"`
}
// +kubebuilder:object:root=true
// +kubebuilder:subresource:status
// CronJob is the Schema for the cronjobs API
type CronJob struct {
metav1.TypeMeta `json:",inline"`
metav1.ObjectMeta `json:"metadata,omitempty"`
Spec CronJobSpec `json:"spec,omitempty"`
Status CronJobStatus `json:"status,omitempty"`
}
// +kubebuilder:object:root=true
// CronJobList contains a list of CronJob
type CronJobList struct {
metav1.TypeMeta `json:",inline"`
metav1.ListMeta `json:"metadata,omitempty"`
Items []CronJob `json:"items"`
}
func init() {
SchemeBuilder.Register(&CronJob{}, &CronJobList{})
}
// +kubebuilder:docs-gen:collapse=Other Types
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