mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-30 02:00:19 +00:00
55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
/*
|
|
Copyright 2022 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 util
|
|
|
|
import (
|
|
"fmt"
|
|
"net/url"
|
|
"strings"
|
|
)
|
|
|
|
const (
|
|
// unixProtocol is the only supported protocol for remote KMS provider.
|
|
unixProtocol = "unix"
|
|
)
|
|
|
|
// ParseEndpoint parses the endpoint to extract schema, host or path.
|
|
func ParseEndpoint(endpoint string) (string, error) {
|
|
if len(endpoint) == 0 {
|
|
return "", fmt.Errorf("remote KMS provider can't use empty string as endpoint")
|
|
}
|
|
|
|
u, err := url.Parse(endpoint)
|
|
if err != nil {
|
|
return "", fmt.Errorf("invalid endpoint %q for remote KMS provider, error: %v", endpoint, err)
|
|
}
|
|
|
|
if u.Scheme != unixProtocol {
|
|
return "", fmt.Errorf("unsupported scheme %q for remote KMS provider", u.Scheme)
|
|
}
|
|
|
|
// Linux abstract namespace socket - no physical file required
|
|
// Warning: Linux Abstract sockets have not concept of ACL (unlike traditional file based sockets).
|
|
// However, Linux Abstract sockets are subject to Linux networking namespace, so will only be accessible to
|
|
// containers within the same pod (unless host networking is used).
|
|
if strings.HasPrefix(u.Path, "/@") {
|
|
return strings.TrimPrefix(u.Path, "/"), nil
|
|
}
|
|
|
|
return u.Path, nil
|
|
}
|