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v0.12.4 Latest Latest
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 Go to latest Published: Oct 11, 2022 License: Apache-2.0 Imports: 33 Imported by: 1

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Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrInvalidToolsType  = errors.New("type must be string, *corev1.Namespace, corev1.Namespace, metav1.Object or runtime.Object")
	ErrInvalidCreateType = errors.New("type must be string, []byte, *corev1.Namespace, corev1.Namespace, metav1.Object, 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, *corev1.Namespace, corev1.Namespace, metav1.Object, runtime.Object, *unstructured.Unstructured, unstructured.Unstructured or map[string]interface{}")
)
View Source 
var GVK = schema.GroupVersionKind{
	Group:   corev1.SchemeGroupVersion.Group,
	Version: corev1.SchemeGroupVersion.Version,
	Kind:    types.KindNamespace,
}

GVK contains the Group, Version, Kind name of namespace.

View Source 
var GVR = schema.GroupVersionResource{
	Group:    corev1.SchemeGroupVersion.Group,
	Version:  corev1.SchemeGroupVersion.Version,
	Resource: types.ResourceNamespace,
}

GVR contains the Group, Version and Resource name of namespace.

View Source 
var Group = GVK.Group

Group is the namespace Group name.

View Source 
var Kind = GVK.Kind

Kind is the namespace Kind name.

View Source 
var Resource = GVR.Resource

Resource is the namespace Resource name.

View Source 
var Version = GVK.Version

Version is the namespace Version name.

Functions

This section is empty.

Types

type Handler 

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

func New 

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

New returns a namespace 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 string) *Handler

NewOrDie simply call New() to get a namespace handler. panic if there is any error occurs.

func (*Handler) Apply 

func (h *Handler) Apply(obj interface{}) (*corev1.Namespace, error)

Apply applies namespace from type string, []byte, *corev1.Namespace, corev1.Namespace, metav1.Object, runtime.Object, *unstructured.Unstructured, unstructured.Unstructured or map[string]interface{}.

func (*Handler) ApplyFromBytes 

func (h *Handler) ApplyFromBytes(data []byte) (ns *corev1.Namespace, err error)

ApplyFromBytes pply namespace from bytes data.

func (*Handler) ApplyFromFile 

func (h *Handler) ApplyFromFile(filename string) (ns *corev1.Namespace, err error)

ApplyFromFile applies namespace from yaml or json file.

func (*Handler) ApplyFromMap added in v0.5.0 

func (h *Handler) ApplyFromMap(u map[string]interface{}) (*corev1.Namespace, error)

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

func (*Handler) ApplyFromObject added in v0.3.0 

func (h *Handler) ApplyFromObject(obj interface{}) (*corev1.Namespace, error)

ApplyFromObject applies namespace from metav1.Object or runtime.Object.

func (*Handler) ApplyFromUnstructured added in v0.3.0 

func (h *Handler) ApplyFromUnstructured(u *unstructured.Unstructured) (*corev1.Namespace, error)

ApplyFromUnstructured applies namespace 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{}) (*corev1.Namespace, error)

Create creates namespace from type string, []byte, *corev1.Namespace, corev1.Namespace, metav1.Object, runtime.Object, *unstructured.Unstructured, unstructured.Unstructured or map[string]interface{}.

func (*Handler) CreateFromBytes 

func (h *Handler) CreateFromBytes(data []byte) (*corev1.Namespace, error)

CreateFromBytes creates namespace from bytes data.

func (*Handler) CreateFromFile 

func (h *Handler) CreateFromFile(filename string) (*corev1.Namespace, error)

CreateFromFile creates namespace from yaml or json file.

func (*Handler) CreateFromMap added in v0.5.0 

func (h *Handler) CreateFromMap(u map[string]interface{}) (*corev1.Namespace, error)

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

func (*Handler) CreateFromObject added in v0.3.0 

func (h *Handler) CreateFromObject(obj interface{}) (*corev1.Namespace, error)

CreateFromObject creates namespace from metav1.Object or runtime.Object.

func (*Handler) CreateFromUnstructured added in v0.3.0 

func (h *Handler) CreateFromUnstructured(u *unstructured.Unstructured) (*corev1.Namespace, error)

CreateFromUnstructured creates namespace from *unstructured.Unstructured.

func (*Handler) DeepCopy 

func (in *Handler) DeepCopy() *Handler

func (*Handler) Delete 

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

Delete deletes namespace from type string, []byte, *corev1.Namespace, corev1.Namespace, metav1.Object, 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 namespace from file path.

func (*Handler) DeleteByName 

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

DeleteByName deletes namespace by name.

func (*Handler) DeleteFromBytes 

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

DeleteFromBytes deletes namespace from bytes data.

func (*Handler) DeleteFromFile 

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

DeleteFromFile deletes namespace from yaml or json file.

func (*Handler) DeleteFromMap added in v0.5.0 

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

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

func (*Handler) DeleteFromObject added in v0.3.0 

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

DeleteFromObject deletes namespace from metav1.Object or runtime.Object.

func (*Handler) DeleteFromUnstructured added in v0.3.0 

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

DeleteFromUnstructured deletes namespace from *unstructured.Unstructured.

func (*Handler) DiscoveryClient added in v0.2.0 

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

DiscoveryClient returns underlying discovery client.

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{}) (*corev1.Namespace, error)

Get gets namespace from type string, []byte, *corev1.Namespace, corev1.Namespace, metav1.Object, 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 namespace from file path.

func (*Handler) GetAge added in v0.2.0 

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

func (*Handler) GetByName 

func (h *Handler) GetByName(name string) (*corev1.Namespace, error)

GetByName gets namespace by name.

func (*Handler) GetFromBytes 

func (h *Handler) GetFromBytes(data []byte) (*corev1.Namespace, error)

GetFromBytes gets namespace from bytes data.

func (*Handler) GetFromFile 

func (h *Handler) GetFromFile(filename string) (*corev1.Namespace, error)

GetFromFile gets namespace from yaml or json file.

func (*Handler) GetFromMap added in v0.5.0 

func (h *Handler) GetFromMap(u map[string]interface{}) (*corev1.Namespace, error)

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

func (*Handler) GetFromObject added in v0.3.0 

func (h *Handler) GetFromObject(obj interface{}) (*corev1.Namespace, error)

GetFromObject gets namespace from metav1.Object or runtime.Object.

func (*Handler) GetFromUnstructured added in v0.3.0 

func (h *Handler) GetFromUnstructured(u *unstructured.Unstructured) (*corev1.Namespace, error)

GetFromUnstructured gets namespace from *unstructured.Unstructured.

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) List 

func (h *Handler) List() ([]*corev1.Namespace, error)

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

func (*Handler) ListAll 

func (h *Handler) ListAll() ([]*corev1.Namespace, error)

ListAll list all namespaces in the k8s cluster.

func (*Handler) ListByField added in v0.7.0 

func (h *Handler) ListByField(field string) ([]*corev1.Namespace, error)

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

func (*Handler) ListByLabel 

func (h *Handler) ListByLabel(labels string) ([]*corev1.Namespace, error)

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

func (*Handler) Lister added in v0.5.0 

func (h *Handler) Lister() listerscore.NamespaceLister

Lister returns underlying NamespaceLister which helps list namespaces.

func (*Handler) NamespaceInformer added in v0.5.0 

func (h *Handler) NamespaceInformer() informerscore.NamespaceInformer

NamespaceInformer returns underlying NamespaceInformer which provides access to a shared informer and lister for namespace.

func (*Handler) Patch added in v0.11.1 

func (h *Handler) Patch(original *corev1.Namespace, patch interface{}, patchOptions ...types.PatchType) (*corev1.Namespace, error)

Patch use the default patch type(Strategic Merge Patch) to patch namespace. 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) 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 namespace 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) 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{}) (*corev1.Namespace, error)

Update updates namespace from type string, []byte, *corev1.Namespace, corev1.Namespace, metav1.Object, runtime.Object, *unstructured.Unstructured, unstructured.Unstructured or map[string]interface{}.

func (*Handler) UpdateFromBytes 

func (h *Handler) UpdateFromBytes(data []byte) (*corev1.Namespace, error)

UpdateFromBytes updates namespace from bytes data.

func (*Handler) UpdateFromFile 

func (h *Handler) UpdateFromFile(filename string) (*corev1.Namespace, error)

UpdateFromFile updates namespace from yaml or json file.

func (*Handler) UpdateFromMap added in v0.5.0 

func (h *Handler) UpdateFromMap(u map[string]interface{}) (*corev1.Namespace, error)

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

func (*Handler) UpdateFromObject added in v0.3.0 

func (h *Handler) UpdateFromObject(obj interface{}) (*corev1.Namespace, error)

UpdateFromObject updates namespace from metav1.Object or runtime.Object.

func (*Handler) UpdateFromUnstructured added in v0.3.0 

func (h *Handler) UpdateFromUnstructured(u *unstructured.Unstructured) (*corev1.Namespace, error)

UpdateFromUnstructured updates namespace from *unstructured.Unstructured.

func (*Handler) Watch 

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

Watch watch all namespace 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 Namespace 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 Namespace 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 namespace 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) 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.

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