macos: Remove no longer needed code

After the switch to UEFI, we can remove all the code related to
externally-provided kernel/initramfs/kernel command line.

pkg/crc/machine/bundle/copier_test.go

@@ -63,8 +63,6 @@ func createDummyBundleFiles(t *testing.T, bundle *CrcBundleInfo) {
 		bundle.GetKubeConfigPath(),
 		bundle.GetSSHKeyPath(),
 		bundle.GetDiskImagePath(),
-		bundle.GetKernelPath(),
-		bundle.GetInitramfsPath(),
 	}
 
 	for _, file := range files {

pkg/crc/machine/bundle/metadata.go

@@ -56,9 +56,6 @@ type Node struct {
 	Kind          []string `json:"kind"`
 	Hostname      string   `json:"hostname"`
 	DiskImage     string   `json:"diskImage"`
-	KernelCmdLine string   `json:"kernelCmdLine,omitempty"`
-	Initramfs     string   `json:"initramfs,omitempty"`
-	Kernel        string   `json:"kernel,omitempty"`
 	InternalIP    string   `json:"internalIP"`
 	PodmanVersion string   `json:"podmanVersion,omitempty"`
 }
@@ -145,24 +142,6 @@ func (bundle *CrcBundleInfo) GetSSHKeyPath() string {
 	return bundle.resolvePath(bundle.ClusterInfo.SSHPrivateKeyFile)
 }
 
-func (bundle *CrcBundleInfo) GetKernelPath() string {
-	if bundle.Nodes[0].Kernel == "" {
-		return ""
-	}
-	return bundle.resolvePath(bundle.Nodes[0].Kernel)
-}
-
-func (bundle *CrcBundleInfo) GetInitramfsPath() string {
-	if bundle.Nodes[0].Initramfs == "" {
-		return ""
-	}
-	return bundle.resolvePath(bundle.Nodes[0].Initramfs)
-}
-
-func (bundle *CrcBundleInfo) GetKernelCommandLine() string {
-	return bundle.Nodes[0].KernelCmdLine
-}
-
 func (bundle *CrcBundleInfo) GetBundleBuildTime() (time.Time, error) {
 	return time.Parse(time.RFC3339, strings.TrimSpace(bundle.BuildInfo.BuildTime))
 }
@@ -200,8 +179,6 @@ func (bundle *CrcBundleInfo) verify() error {
 	files := []string{
 		bundle.GetSSHKeyPath(),
 		bundle.GetDiskImagePath(),
-		bundle.GetKernelPath(),
-		bundle.GetInitramfsPath(),
 		bundle.GetOcPath(),
 		bundle.GetKubeConfigPath()}
 

pkg/crc/machine/config/config.go

@@ -19,11 +19,6 @@ type MachineConfig struct {
 	SharedDirPassword string
 	SharedDirUsername string
 
-	// macOS specific configuration
-	KernelCmdLine string
-	Initramfs     string
-	Kernel        string
-
 	// Experimental features
 	NetworkMode network.Mode
 }

pkg/crc/machine/driver_darwin.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"errors"
 
-	"github.com/crc-org/crc/v2/pkg/crc/logging"
 	"github.com/crc-org/crc/v2/pkg/crc/machine/config"
 	"github.com/crc-org/crc/v2/pkg/crc/machine/vfkit"
 	machineVf "github.com/crc-org/crc/v2/pkg/drivers/vfkit"
@@ -37,34 +36,6 @@ func updateDriverConfig(host *host.Host, driver *machineVf.Driver) error {
 	return host.UpdateConfig(driverData)
 }
 
-func updateKernelArgs(vm *virtualMachine) error {
-	logging.Info("Updating kernel args...")
-	sshRunner, err := vm.SSHRunner()
-	if err != nil {
-		return err
-	}
-	defer sshRunner.Close()
-
-	stdout, stderr, err := sshRunner.RunPrivileged("Get kernel args", `-- sh -c 'rpm-ostree kargs'`)
-	if err != nil {
-		logging.Errorf("Failed to get kernel args: %v - %s", err, stderr)
-		return err
-	}
-	logging.Debugf("Kernel args: %s", stdout)
-
-	vfkitDriver, err := loadDriverConfig(vm.Host)
-	if err != nil {
-		return err
-	}
-	logging.Debugf("Current Kernel args: %s", vfkitDriver.Cmdline)
-	vfkitDriver.Cmdline = stdout
-
-	if err := updateDriverConfig(vm.Host, vfkitDriver); err != nil {
-		return err
-	}
-	return vm.api.Save(vm.Host)
-}
-
 func updateDriverStruct(_ *host.Host, _ *machineVf.Driver) error {
 	return drivers.ErrNotImplemented
 }

pkg/crc/machine/driver_linux.go

@@ -39,10 +39,6 @@ func updateDriverConfig(host *host.Host, driver *machineLibvirt.Driver) error {
 	return host.UpdateConfig(driverData)
 }
 
-func updateKernelArgs(_ *virtualMachine) error {
-	return nil
-}
-
 /*
 func (r *RPCServerDriver) SetConfigRaw(data []byte, _ *struct{}) error {
 	return json.Unmarshal(data, &r.ActualDriver)

pkg/crc/machine/driver_windows.go

@@ -34,10 +34,6 @@ func updateDriverConfig(host *host.Host, driver *machineLibhvee.Driver) error {
 	return host.UpdateConfig(driverData)
 }
 
-func updateKernelArgs(_ *virtualMachine) error {
-	return nil
-}
-
 func updateDriverStruct(host *host.Host, driver *machineLibhvee.Driver) error {
 	host.Driver = driver
 	return nil

pkg/crc/machine/start.go

@@ -325,9 +325,6 @@ func (client *client) Start(ctx context.Context, startConfig types.StartConfig)
 			ImageSourcePath:   crcBundleMetadata.GetDiskImagePath(),
 			ImageFormat:       crcBundleMetadata.GetDiskImageFormat(),
 			SSHKeyPath:        crcBundleMetadata.GetSSHKeyPath(),
-			KernelCmdLine:     crcBundleMetadata.GetKernelCommandLine(),
-			Initramfs:         crcBundleMetadata.GetInitramfsPath(),
-			Kernel:            crcBundleMetadata.GetKernelPath(),
 			SharedDirs:        sharedDirs,
 			SharedDirPassword: startConfig.SharedDirPassword,
 			SharedDirUsername: startConfig.SharedDirUsername,

pkg/crc/machine/stop.go

@@ -23,9 +23,6 @@ func (client *client) Stop() (state.State, error) {
 			logging.Debugf("%v", err)
 		}
 	}
-	if err := updateKernelArgs(vm); err != nil {
-		logging.Debugf("%v", err)
-	}
 	logging.Info("Stopping the instance, this may take a few minutes...")
 	if err := vm.Stop(); err != nil {
 		status, stateErr := vm.State()

pkg/crc/machine/vfkit/driver_darwin.go

@@ -15,9 +15,6 @@ func CreateHost(machineConfig config.MachineConfig) *vfkit.Driver {
 
 	config.InitVMDriverFromMachineConfig(machineConfig, vfDriver.VMDriver)
 
-	vfDriver.Cmdline = machineConfig.KernelCmdLine
-	vfDriver.VmlinuzPath = machineConfig.Kernel
-	vfDriver.InitrdPath = machineConfig.Initramfs
 	vfDriver.VfkitPath = ExecutablePath()
 
 	vfDriver.VirtioNet = machineConfig.NetworkMode == network.SystemNetworkingMode

pkg/drivers/vfkit/driver_darwin.go

@@ -40,11 +40,8 @@ import (
 
 type Driver struct {
 	*drivers.VMDriver
-	VmlinuzPath string
-	Cmdline     string
-	InitrdPath  string
-	VfkitPath   string
-	VirtioNet   bool
+	VfkitPath string
+	VirtioNet bool
 
 	VsockPath       string
 	DaemonVsockPort uint