tests: manually convert to streamOptimized vmdk

cmd/osbuild-image-tests/main_test.go

@@ -344,6 +344,12 @@ func testBootUsingVMware(t *testing.T, imagePath string) {
 	}
 	require.NoError(t, err)
 
+	// convert to streamOptimized vmdk
+	imagePath, err = vmwaretest.ConvertToStreamOptimizedVmdk(imagePath)
+	require.NoError(t, err)
+	require.NotEqual(t, "", imagePath)
+	defer os.Remove(imagePath)
+
 	// create a random test id to name all the resources used in this test
 	imageName, err := generateRandomString("osbuild-image-tests-vmware-image-")
 	require.NoError(t, err)

cmd/osbuild-image-tests/vmwaretest/vmware.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"os/exec"
 	"fmt"
+	"io/ioutil"
 	"path/filepath"
 
 	// importing the packages registers these cli commands
@@ -209,3 +210,22 @@ func WithSSHKeyPair(f func(privateKey, publicKey string) error) error {
 
 	return f(private, public)
 }
+
+
+func ConvertToStreamOptimizedVmdk(imagePath string) (string, error) {
+	optimizedVmdk, err := ioutil.TempFile("/var/tmp", "osbuild-composer-stream-optimized-*.vmdk")
+	if err != nil {
+		return "", err
+	}
+	optimizedVmdk.Close()
+
+	cmd := exec.Command(
+		"/usr/bin/qemu-img", "convert", "-O", "vmdk", "-o", "subformat=streamOptimized",
+		imagePath, optimizedVmdk.Name())
+	err = cmd.Run()
+	if err != nil {
+		return "", err
+	}
+
+	return optimizedVmdk.Name(), nil
+}