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norman/generator/k8s_client_template.go
2018-12-17 15:44:50 -07:00

125 lines
2.8 KiB
Go

package generator
var k8sClientTemplate = `package {{.version.Version}}
import (
"sync"
"context"
"github.com/rancher/norman/objectclient"
"github.com/rancher/norman/objectclient/dynamic"
"github.com/rancher/norman/controller"
"github.com/rancher/norman/restwatch"
"k8s.io/client-go/rest"
)
type (
contextKeyType struct{}
contextClientsKeyType struct{}
)
type Interface interface {
RESTClient() rest.Interface
controller.Starter
{{range .schemas}}
{{.CodeNamePlural}}Getter{{end}}
}
type Clients struct {
Interface Interface
{{range .schemas}}
{{.CodeName}} {{.CodeName}}Client{{end}}
}
type Client struct {
sync.Mutex
restClient rest.Interface
starters []controller.Starter
{{range .schemas}}
{{.ID}}Controllers map[string]{{.CodeName}}Controller{{end}}
}
func Factory(ctx context.Context, config rest.Config) (context.Context, controller.Starter, error) {
c, err := NewForConfig(config)
if err != nil {
return ctx, nil, err
}
cs := NewClientsFromInterface(c)
ctx = context.WithValue(ctx, contextKeyType{}, c)
ctx = context.WithValue(ctx, contextClientsKeyType{}, cs)
return ctx, c, nil
}
func ClientsFrom(ctx context.Context) *Clients {
return ctx.Value(contextClientsKeyType{}).(*Clients)
}
func From(ctx context.Context) Interface {
return ctx.Value(contextKeyType{}).(Interface)
}
func NewClients(config rest.Config) (*Clients, error) {
iface, err := NewForConfig(config)
if err != nil {
return nil, err
}
return NewClientsFromInterface(iface), nil
}
func NewClientsFromInterface(iface Interface) *Clients {
return &Clients{
Interface: iface,
{{range .schemas}}
{{.CodeName}}: &{{.ID}}Client2{
iface: iface.{{.CodeNamePlural}}(""),
},{{end}}
}
}
func NewForConfig(config rest.Config) (Interface, error) {
if config.NegotiatedSerializer == nil {
config.NegotiatedSerializer = dynamic.NegotiatedSerializer
}
restClient, err := restwatch.UnversionedRESTClientFor(&config)
if err != nil {
return nil, err
}
return &Client{
restClient: restClient,
{{range .schemas}}
{{.ID}}Controllers: map[string]{{.CodeName}}Controller{},{{end}}
}, nil
}
func (c *Client) RESTClient() rest.Interface {
return c.restClient
}
func (c *Client) Sync(ctx context.Context) error {
return controller.Sync(ctx, c.starters...)
}
func (c *Client) Start(ctx context.Context, threadiness int) error {
return controller.Start(ctx, threadiness, c.starters...)
}
{{range .schemas}}
type {{.CodeNamePlural}}Getter interface {
{{.CodeNamePlural}}(namespace string) {{.CodeName}}Interface
}
func (c *Client) {{.CodeNamePlural}}(namespace string) {{.CodeName}}Interface {
objectClient := objectclient.NewObjectClient(namespace, c.restClient, &{{.CodeName}}Resource, {{.CodeName}}GroupVersionKind, {{.ID}}Factory{})
return &{{.ID}}Client{
ns: namespace,
client: c,
objectClient: objectClient,
}
}
{{end}}
`