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feat(WSL): Add ssh config entry to Windows ssh config if using WSL (#604
) * initial Signed-off-by: Jinjing.Zhou <allenzhou@tensorchord.ai> * add key to windows entry Signed-off-by: Jinjing.Zhou <allenzhou@tensorchord.ai> * lint Signed-off-by: Jinjing.Zhou <allenzhou@tensorchord.ai> * fix Signed-off-by: Jinjing.Zhou <allenzhou@tensorchord.ai>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,157 @@ | ||
| // Copyright 2022 The envd Authors | ||
| // Copyright 2022 mateors | ||
| // | ||
| // 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 osutil | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
| "net" | ||
| "os" | ||
| "os/exec" | ||
| "path" | ||
| "path/filepath" | ||
| "strings" | ||
|
|
||
| "github.com/cockroachdb/errors" | ||
| "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| func IsWsl() bool { | ||
| // Return false if meet error | ||
| cmd := exec.Command("cat", "/proc/version") | ||
| output, err := cmd.Output() | ||
| if err != nil { | ||
| logrus.Debugf("Error when check whether sys is WSL: %v", err) | ||
| return false | ||
| } | ||
|
|
||
| return strings.Contains(strings.ToLower(string(output)), "microsoft") | ||
| } | ||
|
|
||
| func GetWslHostSshConfig() (string, error) { | ||
| userCmd := exec.Command("wslvar", "USERPROFILE") | ||
| userOutput, err := userCmd.Output() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| cmd := exec.Command("wslpath", string(userOutput)) | ||
| output, err := cmd.Output() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| outputPath := path.Join(strings.Trim(string(output), "\n"), ".ssh", "config") | ||
| logrus.Debugf("wsl sshconfig path: %s", outputPath) | ||
| return outputPath, nil | ||
| } | ||
|
|
||
| func GetWslIp() (string, error) { | ||
| ip, err := getInterfaceIpv4Addr("eth0") | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return ip, nil | ||
| } | ||
|
|
||
| func GetWindowsEnvdConfigHome() (string, error) { | ||
|
|
||
| userCmd := exec.Command("wslvar", "LOCALAPPDATA") | ||
| userOutput, err := userCmd.Output() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| cmd := exec.Command("wslpath", string(userOutput)) | ||
| output, err := cmd.Output() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| envdDir := filepath.Join(strings.Trim(string(output), "\n"), "envd") | ||
| if err := os.MkdirAll(envdDir, 0755); err != nil { | ||
| return "", err | ||
| } | ||
| return envdDir, nil | ||
| } | ||
|
|
||
| // from: https://gist.github.com/schwarzeni/f25031a3123f895ff3785970921e962c | ||
| func getInterfaceIpv4Addr(interfaceName string) (addr string, err error) { | ||
| var ( | ||
| ief *net.Interface | ||
| addrs []net.Addr | ||
| ipv4Addr net.IP | ||
| ) | ||
| if ief, err = net.InterfaceByName(interfaceName); err != nil { // get interface | ||
| return | ||
| } | ||
| if addrs, err = ief.Addrs(); err != nil { // get addresses | ||
| return | ||
| } | ||
| for _, addr := range addrs { // get ipv4 address | ||
| if ipv4Addr = addr.(*net.IPNet).IP.To4(); ipv4Addr != nil { | ||
| break | ||
| } | ||
| } | ||
| if ipv4Addr == nil { | ||
| return "", errors.New(fmt.Sprintf("interface %s don't have an ipv4 address\n", interfaceName)) | ||
| } | ||
| return ipv4Addr.String(), nil | ||
| } | ||
|
|
||
| func CopyToWinEnvdHome(src string, permission os.FileMode) (string, error) { | ||
| // Return dst path in windows format | ||
| winhome, err := GetWindowsEnvdConfigHome() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| filename := filepath.Base(src) | ||
| dst := filepath.Join(winhome, filename) | ||
| err = copy(src, dst, permission) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| envdDirWinCmd := exec.Command("wslpath", "-w", dst) | ||
| winDir, err := envdDirWinCmd.Output() | ||
|
|
||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return strings.Trim(string(winDir), "\n"), nil | ||
| } | ||
|
|
||
| func copy(src, dst string, permission os.FileMode) error { | ||
| in, err := os.Open(src) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer in.Close() | ||
|
|
||
| out, err := os.Create(dst) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer out.Close() | ||
| err = os.Chmod(dst, permission) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| _, err = io.Copy(out, in) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return out.Close() | ||
| } |