mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-19 11:30:24 +00:00
48 lines
1.6 KiB
Go
48 lines
1.6 KiB
Go
/*
|
|
Copyright 2017 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 webhook
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"net/url"
|
|
)
|
|
|
|
// ServiceResolver knows how to convert a service reference into an actual location.
|
|
type ServiceResolver interface {
|
|
ResolveEndpoint(namespace, name string, port int32) (*url.URL, error)
|
|
}
|
|
|
|
type defaultServiceResolver struct{}
|
|
|
|
// NewDefaultServiceResolver creates a new default server resolver.
|
|
func NewDefaultServiceResolver() ServiceResolver {
|
|
return &defaultServiceResolver{}
|
|
}
|
|
|
|
// ResolveEndpoint constructs a service URL from a given namespace and name
|
|
// note that the name, namespace, and port are required and by default all
|
|
// created addresses use HTTPS scheme.
|
|
// for example:
|
|
// name=ross namespace=andromeda resolves to https://ross.andromeda.svc:443
|
|
func (sr defaultServiceResolver) ResolveEndpoint(namespace, name string, port int32) (*url.URL, error) {
|
|
if len(name) == 0 || len(namespace) == 0 || port == 0 {
|
|
return nil, errors.New("cannot resolve an empty service name or namespace or port")
|
|
}
|
|
return &url.URL{Scheme: "https", Host: fmt.Sprintf("%s.%s.svc:%d", name, namespace, port)}, nil
|
|
}
|