final refactoring

Signed-off-by: Viktor Kramarenko <viktor.kramarenko@flant.com>

api/v1alpha1/register.go

@@ -23,9 +23,8 @@ import (
 )
 
 const (
-	LocalStorageClassKind = "LocalStorageClass"
-	APIGroup              = "storage.deckhouse.io"
-	APIVersion            = "v1alpha1"
+	APIGroup   = "storage.deckhouse.io"
+	APIVersion = "v1alpha1"
 )
 
 // SchemeGroupVersion is group version used to register these objects

api/v1alpha1/zz_generated.deepcopy.go

@@ -23,7 +23,6 @@ func (in *LocalStorageClass) DeepCopyInto(out *LocalStorageClass) {
 	*out = *in
 	out.TypeMeta = in.TypeMeta
 	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
-
 }
 
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new EmptyBlockDevice.

images/sds-local-volume-csi/go.mod

@@ -4,8 +4,8 @@ go 1.22.2
 
 require (
 	github.com/container-storage-interface/spec v1.9.0
-	github.com/deckhouse/sds-local-volume/api v0.0.0-20240704080736-a027a963cc2c
-	github.com/deckhouse/sds-node-configurator/api v0.0.0-20240709091744-c9d24f05db41
+	github.com/deckhouse/sds-local-volume/api v0.0.0-20240803013556-f24060c022de
+	github.com/deckhouse/sds-node-configurator/api v0.0.0-20240805103635-969dc811217b
 	github.com/go-logr/logr v1.4.1
 	github.com/golang/protobuf v1.5.4
 	golang.org/x/sync v0.6.0

images/sds-local-volume-csi/go.sum

@@ -5,10 +5,14 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/deckhouse/sds-local-volume/api v0.0.0-20240704080736-a027a963cc2c h1:1hZBDe3aKqok/jOnbKfa5CMQ6viL/dsnsHujEaq+oxU=
 github.com/deckhouse/sds-local-volume/api v0.0.0-20240704080736-a027a963cc2c/go.mod h1:cYxHYJmIl6g9lXb1etqmLeQL/vsPMgscmact/FObd+U=
+github.com/deckhouse/sds-local-volume/api v0.0.0-20240803013556-f24060c022de h1:OiX6uWe5Vz/MY08jb5502C9G5Yb/6G6tBU0lp0q0wA4=
+github.com/deckhouse/sds-local-volume/api v0.0.0-20240803013556-f24060c022de/go.mod h1:cYxHYJmIl6g9lXb1etqmLeQL/vsPMgscmact/FObd+U=
 github.com/deckhouse/sds-node-configurator/api v0.0.0-20240705070320-a7a740787b36 h1:ToJpGIAHud57Fxm5P1oULRibHpcCuysHqg5dgT0aeys=
 github.com/deckhouse/sds-node-configurator/api v0.0.0-20240705070320-a7a740787b36/go.mod h1:H71+9G0Jr46Qs0BA3z3/xt0h9lbnJnCEYcaCJCWFBf0=
 github.com/deckhouse/sds-node-configurator/api v0.0.0-20240709091744-c9d24f05db41 h1:kfnAfII4E8yWkDZ4FJIPO9/OvXkMIQDPLB3zzNBo8Wg=
 github.com/deckhouse/sds-node-configurator/api v0.0.0-20240709091744-c9d24f05db41/go.mod h1:H71+9G0Jr46Qs0BA3z3/xt0h9lbnJnCEYcaCJCWFBf0=
+github.com/deckhouse/sds-node-configurator/api v0.0.0-20240805103635-969dc811217b h1:EYmHWTWcWMpyxJGZK05ZxlIFnh9s66DRrxLw/LNb/xw=
+github.com/deckhouse/sds-node-configurator/api v0.0.0-20240805103635-969dc811217b/go.mod h1:H71+9G0Jr46Qs0BA3z3/xt0h9lbnJnCEYcaCJCWFBf0=
 github.com/emicklei/go-restful/v3 v3.12.0 h1:y2DdzBAURM29NFF94q6RaY4vjIH1rtwDapwQtU84iWk=
 github.com/emicklei/go-restful/v3 v3.12.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc=
 github.com/evanphx/json-patch v4.12.0+incompatible h1:4onqiflcdA9EOZ4RxV643DvftH5pOlLGNtQ5lPWQu84=

images/sds-local-volume-csi/pkg/utils/func.go

@@ -47,10 +47,6 @@ const (
 func CreateLVMLogicalVolume(ctx context.Context, kc client.Client, name string, lvmLogicalVolumeSpec snc.LVMLogicalVolumeSpec) (*snc.LVMLogicalVolume, error) {
 	var err error
 	llv := &snc.LVMLogicalVolume{
-		TypeMeta: metav1.TypeMeta{
-			Kind:       snc.LVMLogicalVolumeKind,
-			APIVersion: snc.TypeMediaAPIVersion,
-		},
 		ObjectMeta: metav1.ObjectMeta{
 			Name:            name,
 			OwnerReferences: []metav1.OwnerReference{},
@@ -198,10 +194,6 @@ func GetNodeWithMaxFreeSpace(lvgs []snc.LvmVolumeGroup, storageClassLVGParameter
 // TODO: delete the method below?
 func GetLVMVolumeGroupParams(ctx context.Context, kc client.Client, log logger.Logger, lvmVG map[string]string, nodeName, lvmType string) (lvgName, vgName string, err error) {
 	listLvgs := &snc.LvmVolumeGroupList{
-		TypeMeta: metav1.TypeMeta{
-			Kind:       snc.LVMVolumeGroupKind,
-			APIVersion: snc.TypeMediaAPIVersion,
-		},
 		ListMeta: metav1.ListMeta{},
 		Items:    []snc.LvmVolumeGroup{},
 	}
@@ -336,14 +328,7 @@ func GetStorageClassLVGsAndParameters(ctx context.Context, kc client.Client, log
 
 func GetLVGList(ctx context.Context, kc client.Client) (*snc.LvmVolumeGroupList, error) {
 	var err error
-	listLvgs := &snc.LvmVolumeGroupList{
-		TypeMeta: metav1.TypeMeta{
-			Kind:       snc.LVMVolumeGroupKind,
-			APIVersion: snc.TypeMediaAPIVersion,
-		},
-		ListMeta: metav1.ListMeta{},
-		Items:    []snc.LvmVolumeGroup{},
-	}
+	listLvgs := &snc.LvmVolumeGroupList{}
 
 	for attempt := 0; attempt < KubernetesAPIRequestLimit; attempt++ {
 		err = kc.List(ctx, listLvgs)

images/sds-local-volume-scheduler-extender/src/go.mod

@@ -4,7 +4,7 @@ go 1.22.2
 
 require (
 	github.com/deckhouse/sds-local-volume/api v0.0.0-20240704080736-a027a963cc2c
-	github.com/deckhouse/sds-node-configurator/api v0.0.0-20240709091744-c9d24f05db41
+	github.com/deckhouse/sds-node-configurator/api v0.0.0-20240805103635-969dc811217b
 	github.com/go-logr/logr v1.4.1
 	github.com/go-logr/zapr v1.3.0
 	github.com/spf13/cobra v1.8.0

images/sds-local-volume-scheduler-extender/src/go.sum

@@ -13,6 +13,8 @@ github.com/deckhouse/sds-node-configurator/api v0.0.0-20240705070320-a7a740787b3
 github.com/deckhouse/sds-node-configurator/api v0.0.0-20240705070320-a7a740787b36/go.mod h1:H71+9G0Jr46Qs0BA3z3/xt0h9lbnJnCEYcaCJCWFBf0=
 github.com/deckhouse/sds-node-configurator/api v0.0.0-20240709091744-c9d24f05db41 h1:kfnAfII4E8yWkDZ4FJIPO9/OvXkMIQDPLB3zzNBo8Wg=
 github.com/deckhouse/sds-node-configurator/api v0.0.0-20240709091744-c9d24f05db41/go.mod h1:H71+9G0Jr46Qs0BA3z3/xt0h9lbnJnCEYcaCJCWFBf0=
+github.com/deckhouse/sds-node-configurator/api v0.0.0-20240805103635-969dc811217b h1:EYmHWTWcWMpyxJGZK05ZxlIFnh9s66DRrxLw/LNb/xw=
+github.com/deckhouse/sds-node-configurator/api v0.0.0-20240805103635-969dc811217b/go.mod h1:H71+9G0Jr46Qs0BA3z3/xt0h9lbnJnCEYcaCJCWFBf0=
 github.com/emicklei/go-restful/v3 v3.11.0 h1:rAQeMHw1c7zTmncogyy8VvRZwtkmkZ4FxERmMY4rD+g=
 github.com/emicklei/go-restful/v3 v3.11.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc=
 github.com/evanphx/json-patch v4.12.0+incompatible h1:4onqiflcdA9EOZ4RxV643DvftH5pOlLGNtQ5lPWQu84=

images/webhooks/src/go.mod

@@ -5,7 +5,7 @@ go 1.22.3
 require (
 	github.com/deckhouse/deckhouse v1.62.2
 	github.com/deckhouse/sds-local-volume/api v0.0.0-20240704080736-a027a963cc2c
-	github.com/deckhouse/sds-node-configurator/api v0.0.0-20240718134550-8296fe5656e3
+	github.com/deckhouse/sds-node-configurator/api v0.0.0-20240805103635-969dc811217b
 	github.com/sirupsen/logrus v1.9.3
 	github.com/slok/kubewebhook/v2 v2.6.0
 	k8s.io/api v0.30.3

images/webhooks/src/go.sum

@@ -8,8 +8,8 @@ github.com/deckhouse/deckhouse v1.62.2 h1:dbDriDAxxTkI7tWIV1CsJoE7TkmgeW3jfUwL/E
 github.com/deckhouse/deckhouse v1.62.2/go.mod h1:uJICbx/itedld6N9uv3srI6Hdt+m4P6IQyocUrtySVY=
 github.com/deckhouse/sds-local-volume/api v0.0.0-20240704080736-a027a963cc2c h1:1hZBDe3aKqok/jOnbKfa5CMQ6viL/dsnsHujEaq+oxU=
 github.com/deckhouse/sds-local-volume/api v0.0.0-20240704080736-a027a963cc2c/go.mod h1:cYxHYJmIl6g9lXb1etqmLeQL/vsPMgscmact/FObd+U=
-github.com/deckhouse/sds-node-configurator/api v0.0.0-20240718134550-8296fe5656e3 h1:zlGPvlNnEDCNlezto3a7ScVJzqu+fvrnGRpAsQs2wNM=
-github.com/deckhouse/sds-node-configurator/api v0.0.0-20240718134550-8296fe5656e3/go.mod h1:H71+9G0Jr46Qs0BA3z3/xt0h9lbnJnCEYcaCJCWFBf0=
+github.com/deckhouse/sds-node-configurator/api v0.0.0-20240805103635-969dc811217b h1:EYmHWTWcWMpyxJGZK05ZxlIFnh9s66DRrxLw/LNb/xw=
+github.com/deckhouse/sds-node-configurator/api v0.0.0-20240805103635-969dc811217b/go.mod h1:H71+9G0Jr46Qs0BA3z3/xt0h9lbnJnCEYcaCJCWFBf0=
 github.com/emicklei/go-restful/v3 v3.12.0 h1:y2DdzBAURM29NFF94q6RaY4vjIH1rtwDapwQtU84iWk=
 github.com/emicklei/go-restful/v3 v3.12.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc=
 github.com/evanphx/json-patch v5.6.0+incompatible h1:jBYDEEiFBPxA0v50tFdvOzQQTCvpL6mnFh5mB2/l16U=

images/webhooks/src/handlers/func.go

@@ -18,27 +18,26 @@ package handlers
 
 import (
 	"context"
+	"net/http"
+	"os"
+
 	dh "github.com/deckhouse/deckhouse/deckhouse-controller/pkg/apis/deckhouse.io/v1alpha1"
 	snc "github.com/deckhouse/sds-node-configurator/api/v1alpha1"
+	kwhhttp "github.com/slok/kubewebhook/v2/pkg/http"
+	"github.com/slok/kubewebhook/v2/pkg/log"
+	"github.com/slok/kubewebhook/v2/pkg/model"
+	kwhmutating "github.com/slok/kubewebhook/v2/pkg/webhook/mutating"
+	kwhvalidating "github.com/slok/kubewebhook/v2/pkg/webhook/validating"
 	v1 "k8s.io/api/core/v1"
 	"k8s.io/api/resource/v1alpha2"
 	sv1 "k8s.io/api/storage/v1"
 	extv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	apiruntime "k8s.io/apimachinery/pkg/runtime"
 	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/clientcmd"
-	"net/http"
-	"os"
 	"sigs.k8s.io/controller-runtime/pkg/client"
-
-	"github.com/slok/kubewebhook/v2/pkg/log"
-
-	kwhhttp "github.com/slok/kubewebhook/v2/pkg/http"
-	"github.com/slok/kubewebhook/v2/pkg/model"
-	kwhmutating "github.com/slok/kubewebhook/v2/pkg/webhook/mutating"
-	kwhvalidating "github.com/slok/kubewebhook/v2/pkg/webhook/validating"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
 func NewKubeClient(kubeconfigPath string) (client.Client, error) {
@@ -100,7 +99,6 @@ func GetMutatingWebhookHandler(mutationFunc func(ctx context.Context, _ *model.A
 	mutationWebhookHandler, err := kwhhttp.HandlerFor(kwhhttp.HandlerConfig{Webhook: mutationWebhook, Logger: logger})
 
 	return mutationWebhookHandler, err
-
 }
 
 func GetValidatingWebhookHandler(validationFunc func(ctx context.Context, _ *model.AdmissionReview, obj metav1.Object) (*kwhvalidating.ValidatorResult, error), validatorID string, obj metav1.Object, logger log.Logger) (http.Handler, error) {
@@ -121,5 +119,4 @@ func GetValidatingWebhookHandler(validationFunc func(ctx context.Context, _ *mod
 	mutationWebhookHandler, err := kwhhttp.HandlerFor(kwhhttp.HandlerConfig{Webhook: mutationWebhook, Logger: logger})
 
 	return mutationWebhookHandler, err
-
 }

images/webhooks/src/handlers/lscValidator.go

@@ -20,17 +20,17 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	slv "github.com/deckhouse/sds-local-volume/api/v1alpha1"
-	snc "github.com/deckhouse/sds-node-configurator/api/v1alpha1"
-	"k8s.io/apimachinery/pkg/types"
-	"k8s.io/klog/v2"
-	"sigs.k8s.io/controller-runtime/pkg/client"
 	"slices"
 
 	dh "github.com/deckhouse/deckhouse/deckhouse-controller/pkg/apis/deckhouse.io/v1alpha1"
+	slv "github.com/deckhouse/sds-local-volume/api/v1alpha1"
+	snc "github.com/deckhouse/sds-node-configurator/api/v1alpha1"
 	"github.com/slok/kubewebhook/v2/pkg/model"
 	kwhvalidating "github.com/slok/kubewebhook/v2/pkg/webhook/validating"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/klog/v2"
+	"sigs.k8s.io/controller-runtime/pkg/client"
 )
 
 const (
@@ -145,13 +145,10 @@ func LSCValidate(ctx context.Context, _ *model.AdmissionReview, obj metav1.Objec
 			nil
 	}
 
-	if thickExists == true && thinExists == true {
+	if thickExists && thinExists {
 		errMsg = "There must be only thin or thick pools simultaneously"
 		klog.Info(errMsg)
-		return &kwhvalidating.ValidatorResult{Valid: false, Message: errMsg},
-			nil
-	} else {
-		return &kwhvalidating.ValidatorResult{Valid: true},
-			nil
+		return &kwhvalidating.ValidatorResult{Valid: false, Message: errMsg}, nil
 	}
+	return &kwhvalidating.ValidatorResult{Valid: true}, nil
 }

images/webhooks/src/handlers/scValidator.go

@@ -22,20 +22,19 @@ import (
 	"fmt"
 	"reflect"
 
-	"k8s.io/klog/v2"
-
 	"github.com/slok/kubewebhook/v2/pkg/model"
 	kwhvalidating "github.com/slok/kubewebhook/v2/pkg/webhook/validating"
 	storagev1 "k8s.io/api/storage/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/klog/v2"
 )
 
 const (
 	localCSIProvisioner = "local.csi.storage.deckhouse.io"
 	allowedUserName     = "system:serviceaccount:d8-sds-local-volume:sds-local-volume-controller"
 )
 
-func SCValidate(ctx context.Context, arReview *model.AdmissionReview, obj metav1.Object) (*kwhvalidating.ValidatorResult, error) {
+func SCValidate(_ context.Context, arReview *model.AdmissionReview, obj metav1.Object) (*kwhvalidating.ValidatorResult, error) {
 	sc, ok := obj.(*storagev1.StorageClass)
 	if !ok {
 		// If not a storage class just continue the validation chain(if there is one) and do nothing.
@@ -45,34 +44,28 @@ func SCValidate(ctx context.Context, arReview *model.AdmissionReview, obj metav1
 	if sc.Provisioner == localCSIProvisioner {
 		if arReview.UserInfo.Username == allowedUserName {
 			klog.Infof("User %s is allowed to manage storage classes with provisioner %s", arReview.UserInfo.Username, localCSIProvisioner)
-			return &kwhvalidating.ValidatorResult{Valid: true},
-				nil
-		} else {
-			if arReview.Operation == model.OperationUpdate {
-				changed, err := isStorageClassChangedExceptAnnotations(arReview.OldObjectRaw, arReview.NewObjectRaw)
-				if err != nil {
-					return nil, err
-				}
-
-				if !changed {
-					klog.Infof("User %s is allowed to change annotations for storage classes with provisioner %s", arReview.UserInfo.Username, localCSIProvisioner)
-					return &kwhvalidating.ValidatorResult{Valid: true},
-						nil
-				}
+			return &kwhvalidating.ValidatorResult{Valid: true}, nil
+		}
+		if arReview.Operation == model.OperationUpdate {
+			changed, err := isStorageClassChangedExceptAnnotations(arReview.OldObjectRaw, arReview.NewObjectRaw)
+			if err != nil {
+				return nil, err
 			}
 
-			klog.Infof("User %s is not allowed to manage storage classes with provisioner %s", arReview.UserInfo.Username, localCSIProvisioner)
-			return &kwhvalidating.ValidatorResult{
-					Valid:   false,
-					Message: fmt.Sprintf("Direct modifications to the StorageClass (other than annotations) with the provisioner %s are not allowed. Please use LocalStorageClass for such operations.", localCSIProvisioner),
-				},
-				nil
+			if !changed {
+				klog.Infof("User %s is allowed to change annotations for storage classes with provisioner %s", arReview.UserInfo.Username, localCSIProvisioner)
+				return &kwhvalidating.ValidatorResult{Valid: true}, nil
+			}
 		}
-	} else {
-		return &kwhvalidating.ValidatorResult{Valid: true},
-			nil
+
+		klog.Infof("User %s is not allowed to manage storage classes with provisioner %s", arReview.UserInfo.Username, localCSIProvisioner)
+		return &kwhvalidating.ValidatorResult{
+			Valid:   false,
+			Message: fmt.Sprintf("Direct modifications to the StorageClass (other than annotations) with the provisioner %s are not allowed. Please use LocalStorageClass for such operations.", localCSIProvisioner),
+		}, nil
 	}
 
+	return &kwhvalidating.ValidatorResult{Valid: true}, nil
 }
 
 func isStorageClassChangedExceptAnnotations(oldObjectRaw, newObjectRaw []byte) (bool, error) {

images/webhooks/src/main.go

@@ -19,15 +19,15 @@ package main
 import (
 	"flag"
 	"fmt"
-	slv "github.com/deckhouse/sds-local-volume/api/v1alpha1"
 	"net/http"
 	"os"
-	"webhooks/handlers"
 
+	slv "github.com/deckhouse/sds-local-volume/api/v1alpha1"
 	"github.com/sirupsen/logrus"
 	kwhlogrus "github.com/slok/kubewebhook/v2/pkg/log/logrus"
 	corev1 "k8s.io/api/core/v1"
 	storagev1 "k8s.io/api/storage/v1"
+	"webhooks/handlers"
 )
 
 type config struct {
@@ -36,48 +36,58 @@ type config struct {
 }
 
 //goland:noinspection SpellCheckingInspection
-func httpHandlerHealthz(w http.ResponseWriter, r *http.Request) {
-	fmt.Fprint(w, "Ok.")
+func httpHandlerHealthz(w http.ResponseWriter, _ *http.Request) {
+	_, err := fmt.Fprint(w, "Ok.")
+	if err != nil {
+		w.WriteHeader(500)
+	}
 }
 
-func initFlags() config {
+func initFlags() (config, error) {
 	cfg := config{}
 
 	fl := flag.NewFlagSet(os.Args[0], flag.ExitOnError)
 	fl.StringVar(&cfg.certFile, "tls-cert-file", "", "TLS certificate file")
 	fl.StringVar(&cfg.keyFile, "tls-key-file", "", "TLS key file")
 
-	fl.Parse(os.Args[1:])
-	return cfg
+	err := fl.Parse(os.Args[1:])
+	if err != nil {
+		return cfg, err
+	}
+	return cfg, nil
 }
 
 const (
 	port                  = ":8443"
 	PodSchedulerMutatorID = "PodSchedulerMutation"
-	LSCValidatorId        = "LSCValidator"
-	SCValidatorId         = "SCValidator"
+	LSCValidatorID        = "LSCValidator"
+	SCValidatorID         = "SCValidator"
 )
 
 func main() {
 	logrusLogEntry := logrus.NewEntry(logrus.New())
 	logrusLogEntry.Logger.SetLevel(logrus.DebugLevel)
 	logger := kwhlogrus.NewLogrus(logrusLogEntry)
 
-	cfg := initFlags()
+	cfg, err := initFlags()
+	if err != nil {
+		fmt.Printf("unable to parse config: err: %s", err.Error())
+		os.Exit(1)
+	}
 
 	podSchedulerMutatingWebHookHandler, err := handlers.GetMutatingWebhookHandler(handlers.PodSchedulerMutate, PodSchedulerMutatorID, &corev1.Pod{}, logger)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "error creating podSchedulerMutatingWebHookHandler: %s", err)
 		os.Exit(1)
 	}
 
-	lscValidatingWebhookHandler, err := handlers.GetValidatingWebhookHandler(handlers.LSCValidate, LSCValidatorId, &slv.LocalStorageClass{}, logger)
+	lscValidatingWebhookHandler, err := handlers.GetValidatingWebhookHandler(handlers.LSCValidate, LSCValidatorID, &slv.LocalStorageClass{}, logger)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "error creating lscValidatingWebhookHandler: %s", err)
 		os.Exit(1)
 	}
 
-	scValidatingWebhookHandler, err := handlers.GetValidatingWebhookHandler(handlers.SCValidate, SCValidatorId, &storagev1.StorageClass{}, logger)
+	scValidatingWebhookHandler, err := handlers.GetValidatingWebhookHandler(handlers.SCValidate, SCValidatorID, &storagev1.StorageClass{}, logger)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "error creating scValidatingWebhookHandler: %s", err)
 		os.Exit(1)