Add builder.AddDisk()

mantle/kola/tests/ignition/qemufailure.go

@@ -132,31 +132,38 @@ func GetTempdir(dirname string) (string, error) {
 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")
 	}
 
-	tempDir, err := GetTempdir("tmp")
+	// Config which theoretically aims to reference fakeboot disk
+	fakeConfig, err := conf.EmptyIgnition().Render(conf.FailWarnings)
 	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
-		 `))
-	cmd.Stdout = os.Stdout
-	cmd.Stderr = os.Stderr
-	if err := cmd.Run(); err != nil {
-		c.Fatal(err)
+		return errors.Wrapf(err, "creating empty config")
+	} else {
+
+		tempDir, err := GetTempdir("tmp")
+		if err != nil {
+			fmt.Println("Error getting temp directory:", err)
+		}
+		fmt.Println("Temp directory:", tempDir)
+		cmd := exec.Command("/bin/bash", "-c", fmt.Sprintf(`set -euo pipefail;
+				mkdir -p %s
+				truncate -s 1G fakeboot
+				mkfs.ext4 -L boot fakeboot
+			`, tempDir))
+		cmd.Stdout = os.Stdout
+		cmd.Stderr = os.Stderr
+		if err := cmd.Run(); err != nil {
+			c.Fatal(err)
+		}
 	}
-	// failConfig.AddFile("/notwritable.txt", "Hello world", 0644)
 
 	builder := platform.NewQemuBuilder()
 	defer builder.Close()
 	builder.SetConfig(failConfig)
-
 	err = builder.AddBootDisk(&platform.Disk{
 		BackingFile: kola.QEMUOptions.DiskImage,
 	})
@@ -172,14 +179,32 @@ func bootfsFailure(c cluster.TestCluster) error {
 	}
 	defer inst.Destroy()
 
+	builder2 := platform.NewQemuBuilder()
+	defer builder2.Close()
+	builder2.SetConfig(fakeConfig) // how to fakeboot?
+	err = builder2.AddDisk(&platform.Disk{
+		BackingFile: kola.QEMUOptions.DiskImage,
+	})
+
+	if err != nil {
+		return err
+	}
+	builder2.MemoryMiB = 1024
+	builder2.Firmware = kola.QEMUOptions.Firmware
+	inst2, err := builder2.Exec()
+	if err != nil {
+		return err
+	}
+	defer inst2.Destroy()
+
 	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
 	defer cancel()
 
 	errchan := make(chan error)
 	go func() {
 		err := inst.WaitAll(ctx)
 		if err == nil {
-			err = fmt.Errorf("Bootfs unexpectedly succeeded")
+			err = fmt.Errorf("bootfs unexpectedly succeeded")
 		} else if err == platform.ErrInitramfsEmergency {
 			// The expected case
 			err = nil