mirror of https://github.com/k3s-io/k3s
102 lines
2.7 KiB
Go
102 lines
2.7 KiB
Go
// +build windows
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/*
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Copyright 2019 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 mount
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import (
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"fmt"
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"os"
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"strconv"
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"strings"
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"syscall"
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"k8s.io/klog/v2"
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)
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// following failure codes are from https://docs.microsoft.com/en-us/windows/desktop/debug/system-error-codes--1300-1699-
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// ERROR_BAD_NETPATH = 53
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// ERROR_NETWORK_BUSY = 54
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// ERROR_UNEXP_NET_ERR = 59
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// ERROR_NETNAME_DELETED = 64
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// ERROR_NETWORK_ACCESS_DENIED = 65
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// ERROR_BAD_DEV_TYPE = 66
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// ERROR_BAD_NET_NAME = 67
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// ERROR_SESSION_CREDENTIAL_CONFLICT = 1219
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// ERROR_LOGON_FAILURE = 1326
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var errorNoList = [...]int{53, 54, 59, 64, 65, 66, 67, 1219, 1326}
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// IsCorruptedMnt return true if err is about corrupted mount point
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func IsCorruptedMnt(err error) bool {
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if err == nil {
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return false
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}
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var underlyingError error
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switch pe := err.(type) {
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case nil:
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return false
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case *os.PathError:
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underlyingError = pe.Err
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case *os.LinkError:
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underlyingError = pe.Err
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case *os.SyscallError:
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underlyingError = pe.Err
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}
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if ee, ok := underlyingError.(syscall.Errno); ok {
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for _, errno := range errorNoList {
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if int(ee) == errno {
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klog.Warningf("IsCorruptedMnt failed with error: %v, error code: %v", err, errno)
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return true
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}
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}
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}
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return false
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}
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// NormalizeWindowsPath makes sure the given path is a valid path on Windows
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// systems by making sure all instances of `/` are replaced with `\\`, and the
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// path beings with `c:`
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func NormalizeWindowsPath(path string) string {
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normalizedPath := strings.Replace(path, "/", "\\", -1)
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if strings.HasPrefix(normalizedPath, "\\") {
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normalizedPath = "c:" + normalizedPath
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}
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return normalizedPath
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}
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// ValidateDiskNumber : disk number should be a number in [0, 99]
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func ValidateDiskNumber(disk string) error {
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diskNum, err := strconv.Atoi(disk)
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if err != nil {
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return fmt.Errorf("wrong disk number format: %q, err:%v", disk, err)
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}
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if diskNum < 0 || diskNum > 99 {
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return fmt.Errorf("disk number out of range: %q", disk)
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}
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return nil
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}
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// isMountPointMatch determines if the mountpoint matches the dir
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func isMountPointMatch(mp MountPoint, dir string) bool {
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return mp.Path == dir
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}
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