mirror of
https://github.com/ceph/ceph-csi.git
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55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
/*
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Copyright 2022 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"fmt"
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"net/url"
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"strings"
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)
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const (
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// unixProtocol is the only supported protocol for remote KMS provider.
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unixProtocol = "unix"
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)
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// ParseEndpoint parses the endpoint to extract schema, host or path.
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func ParseEndpoint(endpoint string) (string, error) {
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if len(endpoint) == 0 {
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return "", fmt.Errorf("remote KMS provider can't use empty string as endpoint")
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}
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u, err := url.Parse(endpoint)
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if err != nil {
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return "", fmt.Errorf("invalid endpoint %q for remote KMS provider, error: %v", endpoint, err)
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}
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if u.Scheme != unixProtocol {
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return "", fmt.Errorf("unsupported scheme %q for remote KMS provider", u.Scheme)
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}
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// Linux abstract namespace socket - no physical file required
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// Warning: Linux Abstract sockets have not concept of ACL (unlike traditional file based sockets).
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// However, Linux Abstract sockets are subject to Linux networking namespace, so will only be accessible to
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// containers within the same pod (unless host networking is used).
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if strings.HasPrefix(u.Path, "/@") {
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return strings.TrimPrefix(u.Path, "/"), nil
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}
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return u.Path, nil
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}
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