Add JSON formatting check to the add-ign function

cmd/kvpctl/main.go

@@ -4,6 +4,7 @@ package main
 
 import (
 	"bytes"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"os"
@@ -225,6 +226,10 @@ func addIgnFile(vm *hypervctl.VirtualMachine, inputFilename string) error {
 	if err != nil {
 		return err
 	}
+	var js json.RawMessage
+	if err := json.Unmarshal(b, &js); err != nil {
+		return fmt.Errorf("invalid JSON format: %v", err)
+	}
 	parts, err := ginsu.Dice(bytes.NewReader(b))
 	if err != nil {
 		return err

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/onsi/gomega v1.36.1
 	github.com/schollz/progressbar/v3 v3.17.1
 	github.com/sirupsen/logrus v1.9.3
+	github.com/ulikunitz/xz v0.5.12
 	golang.org/x/sys v0.28.0
 )
 

go.sum

@@ -39,6 +39,8 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/ulikunitz/xz v0.5.12 h1:37Nm15o69RwBkXM0J6A5OlE67RZTfzUxTj8fB3dfcsc=
+github.com/ulikunitz/xz v0.5.12/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
 golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

test/e2e/fedora_test.go

@@ -12,10 +12,11 @@ import (
 	"os"
 	"path/filepath"
 	"runtime"
+	"github.com/ulikunitz/xz"
 )
 
 const (
-	fedoraBaseDirEndpoint = "https://kojipkgs.fedoraproject.org/compose/cloud/latest-Fedora-Cloud-39/compose"
+	fedoraBaseDirEndpoint = "https://kojipkgs.fedoraproject.org/compose/cloud/latest-Fedora-Cloud-40/compose"
 )
 
 // Fedora metadata for cloud downloads
@@ -100,7 +101,7 @@ func (m fedoraCloudMetadata) downloadPathForVHD() (string, string, error) {
 		return "", "", errors.New("unable to parse metadata for cloud image")
 	}
 	for _, ci := range val {
-		if ci.Format == "vhd" { // fedora does not make a vhdx
+		if ci.Format == "vhd.xz" { // fedora does not make a vhdx
 			return fmt.Sprintf("%s/%s", fedoraBaseDirEndpoint, ci.Path), ci.Checksums["sha256"], nil
 		}
 	}
@@ -166,7 +167,39 @@ func getTestImage() (string, error) {
 			return "", err
 		}
 	}
-	return dstPath, nil
+	// Decompress the downloaded vhdfixed.xz file
+	vhdPath := filepath.Join(defaultCacheDirPath, filepath.Base(downloadPath[:len(downloadPath)-len(".vhdfixed.xz")])) + ".vhd"
+	err = decompressVhdXZ(dstPath, vhdPath)
+	if err != nil {
+		return "", err
+	}
+	return vhdPath, nil
+}
+
+func decompressVhdXZ(src string, dst string) error {
+	f, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	r, err := xz.NewReader(f)
+	if err != nil {
+		return fmt.Errorf("xz decompression failed: %v", err)
+	}
+
+	// Directly copy the decompressed data to the destination file
+	outFile, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer outFile.Close()
+
+	_, err = io.Copy(outFile, r)
+	if err != nil {
+		return err
+	}
+	return nil
 }
 
 func archFromGOOS() string {

test/e2e/vm_test.go

@@ -11,7 +11,7 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 )
 
-const defaultDiskSize = 10
+const defaultDiskSize = 5
 
 func setDiskDir() string {
 	hd, err := os.UserHomeDir()