mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-23 23:00:19 +00:00
85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes Authors.
|
|
|
|
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.
|
|
*/
|
|
|
|
package resource
|
|
|
|
import (
|
|
"k8s.io/apimachinery/pkg/api/meta"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
client "k8s.io/client-go/rest"
|
|
)
|
|
|
|
// RESTClient is a client helper for dealing with RESTful resources
|
|
// in a generic way.
|
|
type RESTClient interface {
|
|
Get() *client.Request
|
|
Post() *client.Request
|
|
Patch(types.PatchType) *client.Request
|
|
Delete() *client.Request
|
|
Put() *client.Request
|
|
}
|
|
|
|
// ClientMapper abstracts retrieving a Client for mapped objects.
|
|
type ClientMapper interface {
|
|
ClientForMapping(mapping *meta.RESTMapping) (RESTClient, error)
|
|
}
|
|
|
|
// ClientMapperFunc implements ClientMapper for a function
|
|
type ClientMapperFunc func(mapping *meta.RESTMapping) (RESTClient, error)
|
|
|
|
// ClientForMapping implements ClientMapper
|
|
func (f ClientMapperFunc) ClientForMapping(mapping *meta.RESTMapping) (RESTClient, error) {
|
|
return f(mapping)
|
|
}
|
|
|
|
// RequestTransform is a function that is given a chance to modify the outgoing request.
|
|
type RequestTransform func(*client.Request)
|
|
|
|
// NewClientWithOptions wraps the provided RESTClient and invokes each transform on each
|
|
// newly created request.
|
|
func NewClientWithOptions(c RESTClient, transforms ...RequestTransform) RESTClient {
|
|
return &clientOptions{c: c, transforms: transforms}
|
|
}
|
|
|
|
type clientOptions struct {
|
|
c RESTClient
|
|
transforms []RequestTransform
|
|
}
|
|
|
|
func (c *clientOptions) modify(req *client.Request) *client.Request {
|
|
for _, transform := range c.transforms {
|
|
transform(req)
|
|
}
|
|
return req
|
|
}
|
|
|
|
func (c *clientOptions) Get() *client.Request {
|
|
return c.modify(c.c.Get())
|
|
}
|
|
|
|
func (c *clientOptions) Post() *client.Request {
|
|
return c.modify(c.c.Post())
|
|
}
|
|
func (c *clientOptions) Patch(t types.PatchType) *client.Request {
|
|
return c.modify(c.c.Patch(t))
|
|
}
|
|
func (c *clientOptions) Delete() *client.Request {
|
|
return c.modify(c.c.Delete())
|
|
}
|
|
func (c *clientOptions) Put() *client.Request {
|
|
return c.modify(c.c.Put())
|
|
}
|