cronjob

package
v0.11.6 Latest Latest
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 Go to latest Published: Sep 16, 2022 License: Apache-2.0 Imports: 34 Imported by: 1

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrInvalidToolsType  = errors.New("type must be string, *batchv1.CronJob, batchv1.CronJob or runtime.Object")
	ErrInvalidCreateType = errors.New("type must be string, []byte, *batchv1.CronJob, batchv1.CronJob, runtime.Object, *unstructured.Unstructured, unstructured.Unstructured or map[string]interface{}")
	ErrInvalidUpdateType = ErrInvalidCreateType
	ErrInvalidApplyType  = ErrInvalidCreateType
	ErrInvalidDeleteType = ErrInvalidCreateType
	ErrInvalidGetType    = ErrInvalidCreateType
	ErrInvalidPatchType  = errors.New("patch data type must be string, []byte, *batchv1.CronJob, batchv1.CronJob, runtime.Object, *unstructured.Unstructured, unstructured.Unstructured or map[string]interface{}")
)

Functions

func GVK added in v0.6.1 

func GVK() schema.GroupVersionKind

GVK returns the name of Group, Version, Kind of cronjob resource.

func GVR added in v0.5.0 

func GVR() schema.GroupVersionResource

GVR returns the name of Group, Version, Resource of cronjob resource.

func Group added in v0.5.0 

func Group() string

Group returns the Group name of cronjob resource.

func Kind added in v0.6.1 

func Kind() string

Kind returns the Kind name of cronjob resource.

func Resource added in v0.5.0 

func Resource() string

Resource returns the Resource name of cronjob resource.

func Version added in v0.5.0 

func Version() string

Version returns the Version name of cronjob resource.

Types

type Handler 

type Handler struct {
	Options *types.HandlerOptions
	// contains filtered or unexported fields
}

func New 

func New(ctx context.Context, kubeconfig, namespace string) (*Handler, error)

New returns a cronjob handler from kubeconfig or in-cluster config. The kubeconfig precedence is: * kubeconfig variable passed. * KUBECONFIG environment variable pointing at a file. * $HOME/.kube/config if exists. * In-cluster config if running in cluster.

func NewOrDie added in v0.3.0 

func NewOrDie(ctx context.Context, kubeconfig, namespace string) *Handler

NewOrDie simply call New() to get a cronjob handler. panic if there is any error occurs. The kubeconfig precedence is: * kubeconfig variable passed. * KUBECONFIG environment variable pointing at a file. * $HOME/.kube/config if exists. * In-cluster config if running in cluster.

func (*Handler) Apply 

func (h *Handler) Apply(obj interface{}) (*batchv1.CronJob, error)

Apply applies cronjob from type string, []byte, *batchv1.CronJob, batchv1.CronJob, runtime.Object, *unstructured.Unstructured, unstructured.Unstructured or map[string]interface{}.

func (*Handler) ApplyFromBytes 

func (h *Handler) ApplyFromBytes(data []byte) (cm *batchv1.CronJob, err error)

ApplyFromBytes pply cronjob from bytes.

func (*Handler) ApplyFromFile 

func (h *Handler) ApplyFromFile(filename string) (cm *batchv1.CronJob, err error)

ApplyFromFile applies cronjob from yaml file.

func (*Handler) ApplyFromMap added in v0.5.0 

func (h *Handler) ApplyFromMap(u map[string]interface{}) (*batchv1.CronJob, error)

ApplyFromMap applies cronjob from map[string]interface{}.

func (*Handler) ApplyFromObject added in v0.3.0 

func (h *Handler) ApplyFromObject(obj runtime.Object) (*batchv1.CronJob, error)

ApplyFromObject applies cronjob from runtime.Object.

func (*Handler) ApplyFromUnstructured added in v0.3.0 

func (h *Handler) ApplyFromUnstructured(u *unstructured.Unstructured) (*batchv1.CronJob, error)

ApplyFromUnstructured applies cronjob from *unstructured.Unstructured.

func (*Handler) Clientset added in v0.2.0 

func (h *Handler) Clientset() *kubernetes.Clientset

Clientset returns underlying clientset.

func (*Handler) Create 

func (h *Handler) Create(obj interface{}) (*batchv1.CronJob, error)

Create creates cronjob from type string, []byte, *batchv1.CronJob, batchv1.CronJob, runtime.Object, *unstructured.Unstructured, unstructured.Unstructured or map[string]interface{}.

func (*Handler) CreateFromBytes 

func (h *Handler) CreateFromBytes(data []byte) (*batchv1.CronJob, error)

CreateFromBytes creates cronjob from bytes.

func (*Handler) CreateFromFile 

func (h *Handler) CreateFromFile(filename string) (*batchv1.CronJob, error)

CreateFromFile creates cronjob from yaml file.

func (*Handler) CreateFromMap added in v0.5.0 

func (h *Handler) CreateFromMap(u map[string]interface{}) (*batchv1.CronJob, error)

CreateFromMap creates cronjob from map[string]interface{}.

func (*Handler) CreateFromObject added in v0.3.0 

func (h *Handler) CreateFromObject(obj runtime.Object) (*batchv1.CronJob, error)

CreateFromObject creates cronjob from runtime.Object.

func (*Handler) CreateFromUnstructured added in v0.3.0 

func (h *Handler) CreateFromUnstructured(u *unstructured.Unstructured) (*batchv1.CronJob, error)

CreateFromUnstructured creates cronjob from *unstructured.Unstructured.

func (*Handler) CronJobInformer added in v0.5.0 

func (h *Handler) CronJobInformer() informersbatch.CronJobInformer

CronJobInformer returns underlying CronJobInformer which provides access to a shared informer and lister for cronjob.

func (*Handler) DeepCopy 

func (in *Handler) DeepCopy() *Handler

func (*Handler) Delete 

func (h *Handler) Delete(obj interface{}) error

Delete deletes cronjob from type string, []byte, *batchv1.CronJob, batchv1.CronJob, runtime.Object, *unstructured.Unstructured, unstructured.Unstructured or map[string]interface{}.

If passed parameter type is string, it will simply call DeleteByName instead of DeleteFromFile. You should always explicitly call DeleteFromFile to delete a cronjob from file path.

func (*Handler) DeleteByName 

func (h *Handler) DeleteByName(name string) error

DeleteByName deletes cronjob by name.

func (*Handler) DeleteFromBytes 

func (h *Handler) DeleteFromBytes(data []byte) error

DeleteFromBytes deletes cronjob from bytes.

func (*Handler) DeleteFromFile 

func (h *Handler) DeleteFromFile(filename string) error

DeleteFromFile deletes cronjob from yaml file.

func (*Handler) DeleteFromMap added in v0.5.0 

func (h *Handler) DeleteFromMap(u map[string]interface{}) error

DeleteFromMap deletes cronjob from map[string]interface{}.

func (*Handler) DeleteFromObject added in v0.3.0 

func (h *Handler) DeleteFromObject(obj runtime.Object) error

DeleteFromObject deletes cronjob from runtime.Object.

func (*Handler) DeleteFromUnstructured added in v0.3.0 

func (h *Handler) DeleteFromUnstructured(u *unstructured.Unstructured) error

DeleteFromUnstructured deletes cronjob from *unstructured.Unstructured.

func (*Handler) DiscoveryClient added in v0.2.0 

func (h *Handler) DiscoveryClient() *discovery.DiscoveryClient

DiscoveryClient returns underlying discovery client.

func (*Handler) DurationOfCompleted added in v0.2.0 

func (h *Handler) DurationOfCompleted(object interface{}) (time.Duration, error)

DurationOfCompleted returns the duration from last time the job successful completed.

func (*Handler) DurationOfLastScheduled added in v0.2.0 

func (h *Handler) DurationOfLastScheduled(object interface{}) (time.Duration, error)

DurationOfLastScheduled returns the duration from last time the job successfully scheduled.

func (*Handler) DynamicClient added in v0.2.0 

func (h *Handler) DynamicClient() dynamic.Interface

DynamicClient returns underlying dynamic client.

func (*Handler) Get 

func (h *Handler) Get(obj interface{}) (*batchv1.CronJob, error)

Get gets cronjob from type string, []byte, *batchv1.CronJob, batchv1.CronJob, runtime.Object, *unstructured.Unstructured, unstructured.Unstructured or map[string]interface{}.

If passed parameter type is string, it will simply call GetByName instead of GetFromFile. You should always explicitly call GetFromFile to get a cronjob from file path.

func (*Handler) GetAge added in v0.2.0 

func (h *Handler) GetAge(object interface{}) (time.Duration, error)

GetAge returns cronjob age.

func (*Handler) GetByName added in v0.3.0 

func (h *Handler) GetByName(name string) (*batchv1.CronJob, error)

GetByName gets cronjob by name.

func (*Handler) GetContainers added in v0.2.0 

func (h *Handler) GetContainers(object interface{}) ([]string, error)

GetContainers get all container of this cronjob.

func (*Handler) GetFromBytes 

func (h *Handler) GetFromBytes(data []byte) (*batchv1.CronJob, error)

GetFromBytes gets cronjob from bytes.

func (*Handler) GetFromFile 

func (h *Handler) GetFromFile(filename string) (*batchv1.CronJob, error)

GetFromFile gets cronjob from yaml file.

func (*Handler) GetFromMap added in v0.5.0 

func (h *Handler) GetFromMap(u map[string]interface{}) (*batchv1.CronJob, error)

GetFromMap gets cronjob from map[string]interface{}.

func (*Handler) GetFromObject added in v0.3.0 

func (h *Handler) GetFromObject(obj runtime.Object) (*batchv1.CronJob, error)

GetFromObject gets cronjob from runtime.Object.

func (*Handler) GetFromUnstructured added in v0.3.0 

func (h *Handler) GetFromUnstructured(u *unstructured.Unstructured) (*batchv1.CronJob, error)

GetFromUnstructured gets cronjob from *unstructured.Unstructured.

func (*Handler) GetImages added in v0.2.0 

func (h *Handler) GetImages(object interface{}) ([]string, error)

GetImages get all container images of this cronjob.

func (*Handler) GetJobs 

func (h *Handler) GetJobs(object interface{}) ([]batchv1.Job, error)

GetJobs get all jobs created by the cronjob.

func (*Handler) GetSchedule added in v0.2.0 

func (h *Handler) GetSchedule(object interface{}) (string, error)

GetSchedule returns the schedule in Cron format.

func (*Handler) Informer added in v0.5.0 

func (h *Handler) Informer() cache.SharedIndexInformer

Informer returns underlying SharedIndexInformer which provides add and Indexers ability based on SharedInformer.

func (*Handler) InformerFactory added in v0.5.0 

func (h *Handler) InformerFactory() informers.SharedInformerFactory

InformerFactory returns underlying SharedInformerFactory which provides shared informer for resources in all known API group version.

func (*Handler) IsSuspend added in v0.2.0 

func (h *Handler) IsSuspend(object interface{}) (bool, error)

IsSuspend check whether the controller will suspend subsequent executions.

func (*Handler) List 

func (h *Handler) List() ([]*batchv1.CronJob, error)

List list all cronjobs in the k8s cluster, it simply call `ListAll`.

func (*Handler) ListAll 

func (h *Handler) ListAll() ([]*batchv1.CronJob, error)

ListAll list all cronjobs in the k8s cluster.

func (*Handler) ListByField added in v0.7.0 

func (h *Handler) ListByField(field string) ([]*batchv1.CronJob, error)

ListByField list cronjobs by field, work like `kubectl get xxx --field-selector=xxx`.

func (*Handler) ListByLabel 

func (h *Handler) ListByLabel(labels string) ([]*batchv1.CronJob, error)

ListByLabel list cronjobs by labels. Multiple labels separated by comma(",") eg: "name=myapp,role=devops", and there is an "And" relationship between multiple labels.

func (*Handler) ListByNamespace 

func (h *Handler) ListByNamespace(namespace string) ([]*batchv1.CronJob, error)

ListByNamespace list all cronjobs in the specified namespace.

func (*Handler) Lister added in v0.5.0 

func (h *Handler) Lister() listersbatch.CronJobLister

Lister returns underlying CronJobLister which helps list cronjobs.

func (*Handler) NumActive added in v0.2.0 

func (h *Handler) NumActive(object interface{}) (int, error)

NumActive returns the number of running job created by cronjob.

func (*Handler) Patch added in v0.11.1 

func (h *Handler) Patch(original *batchv1.CronJob, patch interface{}, patchOptions ...types.PatchType) (*batchv1.CronJob, error)

Patch use the default patch type(Strategic Merge Patch) to patch cronjob. Supported patch types are: "StrategicMergePatchType", "MergePatchType", "JSONPatchType".

For further more Strategic Merge patch, see: 

https://kubernetes.io/docs/tasks/manage-kubernetes-objects/update-api-object-kubectl-patch/#before-you-begin

For a comparison of JSON patch and JSON merge patch, see: 

https://erosb.github.io/post/json-patch-vs-merge-patch/

func (*Handler) RESTClient added in v0.2.0 

func (h *Handler) RESTClient() *rest.RESTClient

RESTClient returns underlying rest client.

func (*Handler) RESTConfig added in v0.3.0 

func (h *Handler) RESTConfig() *rest.Config

RESTConfig returns underlying rest config.

func (*Handler) ResetNamespace added in v0.11.4 

func (h *Handler) ResetNamespace(namespace string)

func (*Handler) RunInformer 

func (h *Handler) RunInformer(
	stopCh <-chan struct{},
	addFunc func(obj interface{}),
	updateFunc func(oldObj, newObj interface{}),
	deleteFunc func(obj interface{}))

RunInformer start and run the shared informer, returning after it stops. The informer will be stopped when stopCh is closed.

AddFunc, updateFunc, and deleteFunc are used to handle add, update, and delete event of k8s cronjob resource, respectively.

func (*Handler) SetForceDelete 

func (h *Handler) SetForceDelete(force bool)

func (*Handler) SetInformerFactoryNamespace added in v0.10.4 

func (h *Handler) SetInformerFactoryNamespace(namespace string)

SetInformerFactoryNamespace limit the scope of informer list-and-watch k8s resource. informer list-and-watch all namespace k8s resource by default.

func (*Handler) SetInformerFactoryResyncPeriod added in v0.10.4 

func (h *Handler) SetInformerFactoryResyncPeriod(resyncPeriod time.Duration)

SetInformerFactoryResyncPeriod will set informer resync period.

func (*Handler) SetInformerFactoryTweakListOptions added in v0.10.4 

func (h *Handler) SetInformerFactoryTweakListOptions(tweakListOptions internalinterfaces.TweakListOptionsFunc)

SetInformerFactoryTweakListOptions sets a custom filter on all listers of the configured SharedInformerFactory.

func (*Handler) SetLimit 

func (h *Handler) SetLimit(limit int64)

func (*Handler) SetPropagationPolicy 

func (h *Handler) SetPropagationPolicy(policy string)

SetPropagationPolicy determined whether and how garbage collection will be performed. There are supported values are "Background", "Orphan", "Foreground", default is "Background".

func (*Handler) SetTimeout 

func (h *Handler) SetTimeout(timeout int64)

func (*Handler) StartInformer added in v0.10.1 

func (h *Handler) StartInformer(
	stopCh <-chan struct{},
	addFunc func(obj interface{}),
	updateFunc func(oldObj, newObj interface{}),
	deleteFunc func(obj interface{}))

StartInformer simply call RunInformer.

func (*Handler) Update 

func (h *Handler) Update(obj interface{}) (*batchv1.CronJob, error)

Update updates cronjob from type string, []byte, *batchv1.CronJob, batchv1.CronJob, runtime.Object, *unstructured.Unstructured, unstructured.Unstructured or map[string]interface{}.

func (*Handler) UpdateFromBytes 

func (h *Handler) UpdateFromBytes(data []byte) (*batchv1.CronJob, error)

UpdateFromBytes updates cronjob from bytes.

func (*Handler) UpdateFromFile 

func (h *Handler) UpdateFromFile(filename string) (*batchv1.CronJob, error)

UpdateFromFile updates cronjob from yaml file.

func (*Handler) UpdateFromMap added in v0.5.0 

func (h *Handler) UpdateFromMap(u map[string]interface{}) (*batchv1.CronJob, error)

UpdateFromMap updates cronjob from map[string]interface{}.

func (*Handler) UpdateFromObject added in v0.3.0 

func (h *Handler) UpdateFromObject(obj runtime.Object) (*batchv1.CronJob, error)

UpdateFromObject updates cronjob from runtime.Object.

func (*Handler) UpdateFromUnstructured added in v0.3.0 

func (h *Handler) UpdateFromUnstructured(u *unstructured.Unstructured) (*batchv1.CronJob, error)

UpdateFromUnstructured updates cronjob from *unstructured.Unstructured.

func (*Handler) Watch 

func (h *Handler) Watch(addFunc, modifyFunc, deleteFunc func(obj interface{})) error

Watch watch all cronjob resources.

Object as the parameter of addFunc, modifyFunc, deleteFunc:

  • If Event.Type is Added or Modified: the new state of the object.
  • If Event.Type is Deleted: the state of the object immediately before deletion.
  • If Event.Type is Bookmark: the object (instance of a type being watched) where only ResourceVersion field is set. On successful restart of watch from a bookmark resourceVersion, client is guaranteed to not get repeat event nor miss any events.
  • If Event.Type is Error: *api.Status is recommended; other types may make sense depending on context.

func (*Handler) WatchByField added in v0.11.1 

func (h *Handler) WatchByField(field string, addFunc, modifyFunc, deleteFunc func(obj interface{})) error

WatchByField watch a single or multiple CronJob resources selected by the field.

Object as the parameter of addFunc, modifyFunc, deleteFunc:

  • If Event.Type is Added or Modified: the new state of the object.
  • If Event.Type is Deleted: the state of the object immediately before deletion.
  • If Event.Type is Bookmark: the object (instance of a type being watched) where only ResourceVersion field is set. On successful restart of watch from a bookmark resourceVersion, client is guaranteed to not get repeat event nor miss any events.
  • If Event.Type is Error: *api.Status is recommended; other types may make sense depending on context.

func (*Handler) WatchByLabel 

func (h *Handler) WatchByLabel(labels string, addFunc, modifyFunc, deleteFunc func(obj interface{})) error

WatchByLabel watch a single or multiple CronJob resources selected by the label. Multiple labels are separated by ",", label key and value conjunctaed by "=".

Object as the parameter of addFunc, modifyFunc, deleteFunc:

  • If Event.Type is Added or Modified: the new state of the object.
  • If Event.Type is Deleted: the state of the object immediately before deletion.
  • If Event.Type is Bookmark: the object (instance of a type being watched) where only ResourceVersion field is set. On successful restart of watch from a bookmark resourceVersion, client is guaranteed to not get repeat event nor miss any events.
  • If Event.Type is Error: *api.Status is recommended; other types may make sense depending on context.

func (*Handler) WatchByName 

func (h *Handler) WatchByName(name string, addFunc, modifyFunc, deleteFunc func(obj interface{})) error

WatchByName watch a single cronjob reseource.

Object as the parameter of addFunc, modifyFunc, deleteFunc:

  • If Event.Type is Added or Modified: the new state of the object.
  • If Event.Type is Deleted: the state of the object immediately before deletion.
  • If Event.Type is Bookmark: the object (instance of a type being watched) where only ResourceVersion field is set. On successful restart of watch from a bookmark resourceVersion, client is guaranteed to not get repeat event nor miss any events.
  • If Event.Type is Error: *api.Status is recommended; other types may make sense depending on context.

func (*Handler) WatchByNamespace added in v0.11.1 

func (h *Handler) WatchByNamespace(namespace string, addFunc, modifyFunc, deleteFunc func(obj interface{})) error

WatchByNamespace watch all cronjob resources in the specified namespace.

Object as the parameter of addFunc, modifyFunc, deleteFunc:

  • If Event.Type is Added or Modified: the new state of the object.
  • If Event.Type is Deleted: the state of the object immediately before deletion.
  • If Event.Type is Bookmark: the object (instance of a type being watched) where only ResourceVersion field is set. On successful restart of watch from a bookmark resourceVersion, client is guaranteed to not get repeat event nor miss any events.
  • If Event.Type is Error: *api.Status is recommended; other types may make sense depending on context.

func (*Handler) WithDryRun 

func (h *Handler) WithDryRun() *Handler

WithDryRun deep copies a new handler and prints the create/update/apply/delete operations, without sending it to apiserver.

func (*Handler) WithNamespace 

func (h *Handler) WithNamespace(namespace string) *Handler

WithNamespace deep copies a new handler, but set the handler.namespace to the provided namespace.

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