Add GetTempDir function

mantle/kola/tests/ignition/qemufailure.go

@@ -19,6 +19,7 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
+	"path/filepath"
 	"time"
 
 	"github.com/pkg/errors"
@@ -34,16 +35,19 @@ func init() {
 	register.RegisterTest(&register.Test{
 		Name:        "coreos.ignition.failure",
 		Description: "Verify ignition will fail with unsupported action.",
-		Run:         runIgnitionTestGroup,
+		Run:         runIgnitionFailure,
+		ClusterSize: 0,
+		Platforms:   []string{"qemu"},
+		Tags:        []string{"ignition"},
+	})
+	register.RegisterTest(&register.Test{
+		Name:        "coreos.ignition.uniquebootfs",
+		Description: "Verify there is only one bootfs.",
+		Run:         runBootfsFailure,
 		ClusterSize: 0,
 		Platforms:   []string{"qemu"},
 		Tags:        []string{"ignition"},
 	})
-}
-
-func runIgnitionTestGroup(c cluster.TestCluster) {
-	c.Run("ignition", runIgnitionFailure)
-	c.Run("bootfs", runBootfsFailure)
 }
 
 func runIgnitionFailure(c cluster.TestCluster) {
@@ -115,14 +119,30 @@ func ignitionFailure(c cluster.TestCluster) error {
 	}
 }
 
+// get current path and create tmp dir
+func GetTempdir(dirname string) (string, error) {
+	dir, err := os.Getwd()
+	if err != nil {
+		return "", err
+	}
+	path := filepath.Join(dir, dirname)
+	return path, nil
+}
+
 func bootfsFailure(c cluster.TestCluster) error {
 	// We can't create files in / due to the immutable bit OSTree creates, so
 	// this is a convenient way to test Ignition failure.
 	failConfig, err := conf.EmptyIgnition().Render(conf.FailWarnings)
 	if err != nil {
 		return errors.Wrapf(err, "creating empty config")
 	}
-	cmd := exec.Command("/bin/bash", "-c", fmt.Sprintf(`set -euo pipefail;
+
+	tempDir, err := GetTempdir("tmp")
+	if err != nil {
+		fmt.Println("Error getting temp directory:", err)
+	}
+	fmt.Println("Temp directory:", tempDir)
+	cmd := exec.Command(tempDir, "-c", fmt.Sprintf(`set -euo pipefail;
 			truncate -s 1G fakeboot
 			mkfs.ext4 -L boot fakeboot
 		 `))
@@ -136,9 +156,11 @@ func bootfsFailure(c cluster.TestCluster) error {
 	builder := platform.NewQemuBuilder()
 	defer builder.Close()
 	builder.SetConfig(failConfig)
+
 	err = builder.AddBootDisk(&platform.Disk{
 		BackingFile: kola.QEMUOptions.DiskImage,
 	})
+
 	if err != nil {
 		return err
 	}