Introduce Windows WSL implementation of podman machine

[NO NEW TESTS NEEDED] for now

Signed-off-by: Jason Greene <jason.greene@redhat.com>

1 files changed, 45 insertions, 2 deletions

diff --git a/pkg/machine/keys.go b/pkg/machine/keys.go
index 319fc2b4e..711b091f0 100644
--- a/pkg/machine/keys.go
+++ b/pkg/machine/keys.go
@@ -1,13 +1,21 @@
-// +build amd64,!windows arm64,!windows
+// +build amd64 arm64
 
 package machine
 
 import (
+	"errors"
+	"fmt"
 	"io/ioutil"
+	"os"
 	"os/exec"
+	"path/filepath"
 	"strings"
+
+	"github.com/sirupsen/logrus"
 )
 
+var sshCommand = []string{"ssh-keygen", "-N", "", "-t", "ed25519", "-f"}
+
 // CreateSSHKeys makes a priv and pub ssh key for interacting
 // the a VM.
 func CreateSSHKeys(writeLocation string) (string, error) {
@@ -21,7 +29,42 @@ func CreateSSHKeys(writeLocation string) (string, error) {
 	return strings.TrimSuffix(string(b), "\n"), nil
 }
 
+func CreateSSHKeysPrefix(dir string, file string, passThru bool, skipExisting bool, prefix ...string) (string, error) {
+	location := filepath.Join(dir, file)
+
+	_, e := os.Stat(location)
+	if !skipExisting || errors.Is(e, os.ErrNotExist) {
+		if err := generatekeysPrefix(dir, file, passThru, prefix...); err != nil {
+			return "", err
+		}
+	} else {
+		fmt.Println("Keys already exist, reusing")
+	}
+	b, err := ioutil.ReadFile(filepath.Join(dir, file) + ".pub")
+	if err != nil {
+		return "", err
+	}
+	return strings.TrimSuffix(string(b), "\n"), nil
+}
+
 // generatekeys creates an ed25519 set of keys
 func generatekeys(writeLocation string) error {
-	return exec.Command("ssh-keygen", "-N", "", "-t", "ed25519", "-f", writeLocation).Run()
+	args := append(append([]string{}, sshCommand[1:]...), writeLocation)
+	return exec.Command(sshCommand[0], args...).Run()
+}
+
+// generatekeys creates an ed25519 set of keys
+func generatekeysPrefix(dir string, file string, passThru bool, prefix ...string) error {
+	args := append([]string{}, prefix[1:]...)
+	args = append(args, sshCommand...)
+	args = append(args, file)
+	cmd := exec.Command(prefix[0], args...)
+	cmd.Dir = dir
+	if passThru {
+		cmd.Stdin = os.Stdin
+		cmd.Stdout = os.Stdout
+		cmd.Stderr = os.Stderr
+	}
+	logrus.Debugf("Running wsl cmd %v in dir: %s", args, dir)
+	return cmd.Run()
 }