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mirror of https://github.com/rancher/norman.git synced 2025-06-27 07:48:49 +00:00
norman/generator/controller_template.go
2018-11-26 08:43:27 -07:00

440 lines
15 KiB
Go

package generator
var controllerTemplate = `package {{.schema.Version.Version}}
import (
"context"
{{.importPackage}}
"github.com/rancher/norman/objectclient"
"github.com/rancher/norman/controller"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/tools/cache"
)
var (
{{.schema.CodeName}}GroupVersionKind = schema.GroupVersionKind{
Version: Version,
Group: GroupName,
Kind: "{{.schema.CodeName}}",
}
{{.schema.CodeName}}Resource = metav1.APIResource{
Name: "{{.schema.PluralName | toLower}}",
SingularName: "{{.schema.ID | toLower}}",
{{- if eq .schema.Scope "namespace" }}
Namespaced: true,
{{ else }}
Namespaced: false,
{{- end }}
Kind: {{.schema.CodeName}}GroupVersionKind.Kind,
}
)
type {{.schema.CodeName}}List struct {
metav1.TypeMeta %BACK%json:",inline"%BACK%
metav1.ListMeta %BACK%json:"metadata,omitempty"%BACK%
Items []{{.prefix}}{{.schema.CodeName}}
}
type {{.schema.CodeName}}HandlerFunc func(key string, obj *{{.prefix}}{{.schema.CodeName}}) (runtime.Object, error)
type {{.schema.CodeName}}ChangeHandlerFunc func(obj *{{.prefix}}{{.schema.CodeName}}) (runtime.Object, error)
type {{.schema.CodeName}}Lister interface {
List(namespace string, selector labels.Selector) (ret []*{{.prefix}}{{.schema.CodeName}}, err error)
Get(namespace, name string) (*{{.prefix}}{{.schema.CodeName}}, error)
}
type {{.schema.CodeName}}Controller interface {
Generic() controller.GenericController
Informer() cache.SharedIndexInformer
Lister() {{.schema.CodeName}}Lister
AddHandler(ctx context.Context, name string, handler {{.schema.CodeName}}HandlerFunc)
AddClusterScopedHandler(ctx context.Context, name, clusterName string, handler {{.schema.CodeName}}HandlerFunc)
Enqueue(namespace, name string)
Sync(ctx context.Context) error
Start(ctx context.Context, threadiness int) error
}
type {{.schema.CodeName}}Interface interface {
ObjectClient() *objectclient.ObjectClient
Create(*{{.prefix}}{{.schema.CodeName}}) (*{{.prefix}}{{.schema.CodeName}}, error)
GetNamespaced(namespace, name string, opts metav1.GetOptions) (*{{.prefix}}{{.schema.CodeName}}, error)
Get(name string, opts metav1.GetOptions) (*{{.prefix}}{{.schema.CodeName}}, error)
Update(*{{.prefix}}{{.schema.CodeName}}) (*{{.prefix}}{{.schema.CodeName}}, error)
Delete(name string, options *metav1.DeleteOptions) error
DeleteNamespaced(namespace, name string, options *metav1.DeleteOptions) error
List(opts metav1.ListOptions) (*{{.schema.CodeName}}List, error)
Watch(opts metav1.ListOptions) (watch.Interface, error)
DeleteCollection(deleteOpts *metav1.DeleteOptions, listOpts metav1.ListOptions) error
Controller() {{.schema.CodeName}}Controller
AddHandler(ctx context.Context, name string, sync {{.schema.CodeName}}HandlerFunc)
AddLifecycle(ctx context.Context, name string, lifecycle {{.schema.CodeName}}Lifecycle)
AddClusterScopedHandler(ctx context.Context, name, clusterName string, sync {{.schema.CodeName}}HandlerFunc)
AddClusterScopedLifecycle(ctx context.Context, name, clusterName string, lifecycle {{.schema.CodeName}}Lifecycle)
}
type {{.schema.ID}}Lister struct {
controller *{{.schema.ID}}Controller
}
func (l *{{.schema.ID}}Lister) List(namespace string, selector labels.Selector) (ret []*{{.prefix}}{{.schema.CodeName}}, err error) {
err = cache.ListAllByNamespace(l.controller.Informer().GetIndexer(), namespace, selector, func(obj interface{}) {
ret = append(ret, obj.(*{{.prefix}}{{.schema.CodeName}}))
})
return
}
func (l *{{.schema.ID}}Lister) Get(namespace, name string) (*{{.prefix}}{{.schema.CodeName}}, error) {
var key string
if namespace != "" {
key = namespace + "/" + name
} else {
key = name
}
obj, exists, err := l.controller.Informer().GetIndexer().GetByKey(key)
if err != nil {
return nil, err
}
if !exists {
return nil, errors.NewNotFound(schema.GroupResource{
Group: {{.schema.CodeName}}GroupVersionKind.Group,
Resource: "{{.schema.ID}}",
}, key)
}
return obj.(*{{.prefix}}{{.schema.CodeName}}), nil
}
type {{.schema.ID}}Controller struct {
controller.GenericController
}
func (c *{{.schema.ID}}Controller) Generic() controller.GenericController {
return c.GenericController
}
func (c *{{.schema.ID}}Controller) Lister() {{.schema.CodeName}}Lister {
return &{{.schema.ID}}Lister{
controller: c,
}
}
func (c *{{.schema.ID}}Controller) AddHandler(ctx context.Context, name string, handler {{.schema.CodeName}}HandlerFunc) {
c.GenericController.AddHandler(ctx, name, func(key string, obj interface{}) (interface{}, error) {
if obj == nil {
return handler(key, nil)
} else if v, ok := obj.(*{{.prefix}}{{.schema.CodeName}}); ok {
return handler(key, v)
} else {
return nil, nil
}
})
}
func (c *{{.schema.ID}}Controller) AddClusterScopedHandler(ctx context.Context, name, cluster string, handler {{.schema.CodeName}}HandlerFunc) {
c.GenericController.AddHandler(ctx, name, func(key string, obj interface{}) (interface{}, error) {
if obj == nil {
return handler(key, nil)
} else if v, ok := obj.(*{{.prefix}}{{.schema.CodeName}}); ok && controller.ObjectInCluster(cluster, obj) {
return handler(key, v)
} else {
return nil, nil
}
})
}
type {{.schema.ID}}Factory struct {
}
func (c {{.schema.ID}}Factory) Object() runtime.Object {
return &{{.prefix}}{{.schema.CodeName}}{}
}
func (c {{.schema.ID}}Factory) List() runtime.Object {
return &{{.schema.CodeName}}List{}
}
func (s *{{.schema.ID}}Client) Controller() {{.schema.CodeName}}Controller {
s.client.Lock()
defer s.client.Unlock()
c, ok := s.client.{{.schema.ID}}Controllers[s.ns]
if ok {
return c
}
genericController := controller.NewGenericController({{.schema.CodeName}}GroupVersionKind.Kind+"Controller",
s.objectClient)
c = &{{.schema.ID}}Controller{
GenericController: genericController,
}
s.client.{{.schema.ID}}Controllers[s.ns] = c
s.client.starters = append(s.client.starters, c)
return c
}
type {{.schema.ID}}Client struct {
client *Client
ns string
objectClient *objectclient.ObjectClient
controller {{.schema.CodeName}}Controller
}
func (s *{{.schema.ID}}Client) ObjectClient() *objectclient.ObjectClient {
return s.objectClient
}
func (s *{{.schema.ID}}Client) Create(o *{{.prefix}}{{.schema.CodeName}}) (*{{.prefix}}{{.schema.CodeName}}, error) {
obj, err := s.objectClient.Create(o)
return obj.(*{{.prefix}}{{.schema.CodeName}}), err
}
func (s *{{.schema.ID}}Client) Get(name string, opts metav1.GetOptions) (*{{.prefix}}{{.schema.CodeName}}, error) {
obj, err := s.objectClient.Get(name, opts)
return obj.(*{{.prefix}}{{.schema.CodeName}}), err
}
func (s *{{.schema.ID}}Client) GetNamespaced(namespace, name string, opts metav1.GetOptions) (*{{.prefix}}{{.schema.CodeName}}, error) {
obj, err := s.objectClient.GetNamespaced(namespace, name, opts)
return obj.(*{{.prefix}}{{.schema.CodeName}}), err
}
func (s *{{.schema.ID}}Client) Update(o *{{.prefix}}{{.schema.CodeName}}) (*{{.prefix}}{{.schema.CodeName}}, error) {
obj, err := s.objectClient.Update(o.Name, o)
return obj.(*{{.prefix}}{{.schema.CodeName}}), err
}
func (s *{{.schema.ID}}Client) Delete(name string, options *metav1.DeleteOptions) error {
return s.objectClient.Delete(name, options)
}
func (s *{{.schema.ID}}Client) DeleteNamespaced(namespace, name string, options *metav1.DeleteOptions) error {
return s.objectClient.DeleteNamespaced(namespace, name, options)
}
func (s *{{.schema.ID}}Client) List(opts metav1.ListOptions) (*{{.schema.CodeName}}List, error) {
obj, err := s.objectClient.List(opts)
return obj.(*{{.schema.CodeName}}List), err
}
func (s *{{.schema.ID}}Client) Watch(opts metav1.ListOptions) (watch.Interface, error) {
return s.objectClient.Watch(opts)
}
// Patch applies the patch and returns the patched deployment.
func (s *{{.schema.ID}}Client) Patch(o *{{.prefix}}{{.schema.CodeName}}, data []byte, subresources ...string) (*{{.prefix}}{{.schema.CodeName}}, error) {
obj, err := s.objectClient.Patch(o.Name, o, data, subresources...)
return obj.(*{{.prefix}}{{.schema.CodeName}}), err
}
func (s *{{.schema.ID}}Client) DeleteCollection(deleteOpts *metav1.DeleteOptions, listOpts metav1.ListOptions) error {
return s.objectClient.DeleteCollection(deleteOpts, listOpts)
}
func (s *{{.schema.ID}}Client) AddHandler(ctx context.Context, name string, sync {{.schema.CodeName}}HandlerFunc) {
s.Controller().AddHandler(ctx, name, sync)
}
func (s *{{.schema.ID}}Client) AddLifecycle(ctx context.Context, name string, lifecycle {{.schema.CodeName}}Lifecycle) {
sync := New{{.schema.CodeName}}LifecycleAdapter(name, false, s, lifecycle)
s.Controller().AddHandler(ctx, name, sync)
}
func (s *{{.schema.ID}}Client) AddClusterScopedHandler(ctx context.Context, name, clusterName string, sync {{.schema.CodeName}}HandlerFunc) {
s.Controller().AddClusterScopedHandler(ctx, name, clusterName, sync)
}
func (s *{{.schema.ID}}Client) AddClusterScopedLifecycle(ctx context.Context, name, clusterName string, lifecycle {{.schema.CodeName}}Lifecycle) {
sync := New{{.schema.CodeName}}LifecycleAdapter(name+"_"+clusterName, true, s, lifecycle)
s.Controller().AddClusterScopedHandler(ctx, name, clusterName, sync)
}
type {{.schema.CodeName}}Indexer func(obj *{{.prefix}}{{.schema.CodeName}}) ([]string, error)
type {{.schema.CodeName}}ClientCache interface {
Get(namespace, name string) (*{{.prefix}}{{.schema.CodeName}}, error)
List(namespace string, selector labels.Selector) ([]*{{.prefix}}{{.schema.CodeName}}, error)
Index(name string, indexer {{.schema.CodeName}}Indexer)
GetIndexed(name, key string) ([]*{{.prefix}}{{.schema.CodeName}}, error)
}
type {{.schema.CodeName}}Client interface {
Create(*{{.prefix}}{{.schema.CodeName}}) (*{{.prefix}}{{.schema.CodeName}}, error)
Get(namespace, name string, opts metav1.GetOptions) (*{{.prefix}}{{.schema.CodeName}}, error)
Update(*{{.prefix}}{{.schema.CodeName}}) (*{{.prefix}}{{.schema.CodeName}}, error)
Delete(namespace, name string, options *metav1.DeleteOptions) error
List(namespace string, opts metav1.ListOptions) (*{{.schema.CodeName}}List, error)
Watch(opts metav1.ListOptions) (watch.Interface, error)
Cache() {{.schema.CodeName}}ClientCache
OnCreate(ctx context.Context, name string, sync {{.schema.CodeName}}ChangeHandlerFunc)
OnChange(ctx context.Context, name string, sync {{.schema.CodeName}}ChangeHandlerFunc)
OnRemove(ctx context.Context, name string, sync {{.schema.CodeName}}ChangeHandlerFunc)
Enqueue(namespace, name string)
Generic() controller.GenericController
Interface() {{.schema.CodeName}}Interface
}
type {{.schema.ID}}ClientCache struct {
client *{{.schema.ID}}Client2
}
type {{.schema.ID}}Client2 struct {
iface {{.schema.CodeName}}Interface
controller {{.schema.CodeName}}Controller
}
func (n *{{.schema.ID}}Client2) Interface() {{.schema.CodeName}}Interface {
return n.iface
}
func (n *{{.schema.ID}}Client2) Generic() controller.GenericController {
return n.iface.Controller().Generic()
}
func (n *{{.schema.ID}}Client2) Enqueue(namespace, name string) {
n.iface.Controller().Enqueue(namespace, name)
}
func (n *{{.schema.ID}}Client2) Create(obj *{{.prefix}}{{.schema.CodeName}}) (*{{.prefix}}{{.schema.CodeName}}, error) {
return n.iface.Create(obj)
}
func (n *{{.schema.ID}}Client2) Get(namespace, name string, opts metav1.GetOptions) (*{{.prefix}}{{.schema.CodeName}}, error) {
return n.iface.GetNamespaced(namespace, name, opts)
}
func (n *{{.schema.ID}}Client2) Update(obj *{{.prefix}}{{.schema.CodeName}}) (*{{.prefix}}{{.schema.CodeName}}, error) {
return n.iface.Update(obj)
}
func (n *{{.schema.ID}}Client2) Delete(namespace, name string, options *metav1.DeleteOptions) error {
return n.iface.DeleteNamespaced(namespace, name, options)
}
func (n *{{.schema.ID}}Client2) List(namespace string, opts metav1.ListOptions) (*{{.schema.CodeName}}List, error) {
return n.iface.List(opts)
}
func (n *{{.schema.ID}}Client2) Watch(opts metav1.ListOptions) (watch.Interface, error) {
return n.iface.Watch(opts)
}
func (n *{{.schema.ID}}ClientCache) Get(namespace, name string) (*{{.prefix}}{{.schema.CodeName}}, error) {
return n.client.controller.Lister().Get(namespace, name)
}
func (n *{{.schema.ID}}ClientCache) List(namespace string, selector labels.Selector) ([]*{{.prefix}}{{.schema.CodeName}}, error) {
return n.client.controller.Lister().List(namespace, selector)
}
func (n *{{.schema.ID}}Client2) Cache() {{.schema.CodeName}}ClientCache {
n.loadController()
return &{{.schema.ID}}ClientCache{
client: n,
}
}
func (n *{{.schema.ID}}Client2) OnCreate(ctx context.Context, name string, sync {{.schema.CodeName}}ChangeHandlerFunc) {
n.loadController()
n.iface.AddLifecycle(ctx, name, &{{.schema.ID}}LifecycleDelegate{create: sync})
}
func (n *{{.schema.ID}}Client2) OnChange(ctx context.Context, name string, sync {{.schema.CodeName}}ChangeHandlerFunc) {
n.loadController()
n.iface.AddLifecycle(ctx, name, &{{.schema.ID}}LifecycleDelegate{update: sync})
}
func (n *{{.schema.ID}}Client2) OnRemove(ctx context.Context, name string, sync {{.schema.CodeName}}ChangeHandlerFunc) {
n.loadController()
n.iface.AddLifecycle(ctx, name, &{{.schema.ID}}LifecycleDelegate{remove: sync})
}
func (n *{{.schema.ID}}ClientCache) Index(name string, indexer {{.schema.CodeName}}Indexer) {
err := n.client.controller.Informer().GetIndexer().AddIndexers(map[string]cache.IndexFunc{
name: func(obj interface{}) ([]string, error) {
if v, ok := obj.(*{{.prefix}}{{.schema.CodeName}}); ok {
return indexer(v)
}
return nil, nil
},
})
if err != nil {
panic(err)
}
}
func (n *{{.schema.ID}}ClientCache) GetIndexed(name, key string) ([]*{{.prefix}}{{.schema.CodeName}}, error) {
var result []*{{.prefix}}{{.schema.CodeName}}
objs, err := n.client.controller.Informer().GetIndexer().ByIndex(name, key)
if err != nil {
return nil, err
}
for _, obj := range objs {
if v, ok := obj.(*{{.prefix}}{{.schema.CodeName}}); ok {
result = append(result, v)
}
}
return result, nil
}
func (n *{{.schema.ID}}Client2) loadController() {
if n.controller == nil {
n.controller = n.iface.Controller()
}
}
type {{.schema.ID}}LifecycleDelegate struct {
create {{.schema.CodeName}}ChangeHandlerFunc
update {{.schema.CodeName}}ChangeHandlerFunc
remove {{.schema.CodeName}}ChangeHandlerFunc
}
func (n *{{.schema.ID}}LifecycleDelegate) HasCreate() bool {
return n.create != nil
}
func (n *{{.schema.ID}}LifecycleDelegate) Create(obj *{{.prefix}}{{.schema.CodeName}}) (runtime.Object, error) {
if n.create == nil {
return obj, nil
}
return n.create(obj)
}
func (n *{{.schema.ID}}LifecycleDelegate) HasFinalize() bool {
return n.remove != nil
}
func (n *{{.schema.ID}}LifecycleDelegate) Remove(obj *{{.prefix}}{{.schema.CodeName}}) (runtime.Object, error) {
if n.remove == nil {
return obj, nil
}
return n.remove(obj)
}
func (n *{{.schema.ID}}LifecycleDelegate) HasUpdated() bool {
return n.remove != nil
}
func (n *{{.schema.ID}}LifecycleDelegate) Updated(obj *{{.prefix}}{{.schema.CodeName}}) (runtime.Object, error) {
if n.update == nil {
return obj, nil
}
return n.update(obj)
}
`