mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-23 11:50:44 +00:00
Merge pull request #92956 from zhouya0/remove_dependency_between_create_rolebinding
Remove dependency of generators from create rolebinding
This commit is contained in:
commit
2e18975d2b
@ -17,12 +17,21 @@ limitations under the License.
|
||||
package create
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"strings"
|
||||
|
||||
"github.com/spf13/cobra"
|
||||
|
||||
rbacv1 "k8s.io/api/rbac/v1"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
"k8s.io/apimachinery/pkg/runtime"
|
||||
"k8s.io/cli-runtime/pkg/genericclioptions"
|
||||
"k8s.io/cli-runtime/pkg/resource"
|
||||
rbacclientv1 "k8s.io/client-go/kubernetes/typed/rbac/v1"
|
||||
cmdutil "k8s.io/kubectl/pkg/cmd/util"
|
||||
"k8s.io/kubectl/pkg/generate"
|
||||
generateversioned "k8s.io/kubectl/pkg/generate/versioned"
|
||||
"k8s.io/kubectl/pkg/scheme"
|
||||
"k8s.io/kubectl/pkg/util"
|
||||
"k8s.io/kubectl/pkg/util/i18n"
|
||||
"k8s.io/kubectl/pkg/util/templates"
|
||||
)
|
||||
@ -37,15 +46,42 @@ var (
|
||||
)
|
||||
|
||||
// RoleBindingOpts holds the options for 'create rolebinding' sub command
|
||||
type RoleBindingOpts struct {
|
||||
CreateSubcommandOptions *CreateSubcommandOptions
|
||||
type RoleBindingOptions struct {
|
||||
PrintFlags *genericclioptions.PrintFlags
|
||||
PrintObj func(obj runtime.Object) error
|
||||
|
||||
Name string
|
||||
Namespace string
|
||||
EnforceNamespace bool
|
||||
ClusterRole string
|
||||
Role string
|
||||
Users []string
|
||||
Groups []string
|
||||
ServiceAccounts []string
|
||||
FieldManager string
|
||||
CreateAnnotation bool
|
||||
|
||||
Client rbacclientv1.RbacV1Interface
|
||||
DryRunStrategy cmdutil.DryRunStrategy
|
||||
DryRunVerifier *resource.DryRunVerifier
|
||||
|
||||
genericclioptions.IOStreams
|
||||
}
|
||||
|
||||
// NewRoleBindingOptions creates a new *RoleBindingOptions with sane defaults
|
||||
func NewRoleBindingOptions(ioStreams genericclioptions.IOStreams) *RoleBindingOptions {
|
||||
return &RoleBindingOptions{
|
||||
Users: []string{},
|
||||
Groups: []string{},
|
||||
ServiceAccounts: []string{},
|
||||
PrintFlags: genericclioptions.NewPrintFlags("created").WithTypeSetter(scheme.Scheme),
|
||||
IOStreams: ioStreams,
|
||||
}
|
||||
}
|
||||
|
||||
// NewCmdCreateRoleBinding returns an initialized Command instance for 'create rolebinding' sub command
|
||||
func NewCmdCreateRoleBinding(f cmdutil.Factory, ioStreams genericclioptions.IOStreams) *cobra.Command {
|
||||
o := &RoleBindingOpts{
|
||||
CreateSubcommandOptions: NewCreateSubcommandOptions(ioStreams),
|
||||
}
|
||||
o := NewRoleBindingOptions(ioStreams)
|
||||
|
||||
cmd := &cobra.Command{
|
||||
Use: "rolebinding NAME --clusterrole=NAME|--role=NAME [--user=username] [--group=groupname] [--serviceaccount=namespace:serviceaccountname] [--dry-run=server|client|none]",
|
||||
@ -55,50 +91,167 @@ func NewCmdCreateRoleBinding(f cmdutil.Factory, ioStreams genericclioptions.IOSt
|
||||
Example: roleBindingExample,
|
||||
Run: func(cmd *cobra.Command, args []string) {
|
||||
cmdutil.CheckErr(o.Complete(f, cmd, args))
|
||||
cmdutil.CheckErr(o.Validate())
|
||||
cmdutil.CheckErr(o.Run())
|
||||
},
|
||||
}
|
||||
|
||||
o.CreateSubcommandOptions.PrintFlags.AddFlags(cmd)
|
||||
o.PrintFlags.AddFlags(cmd)
|
||||
|
||||
cmdutil.AddApplyAnnotationFlags(cmd)
|
||||
cmdutil.AddValidateFlags(cmd)
|
||||
cmdutil.AddGeneratorFlags(cmd, generateversioned.RoleBindingV1GeneratorName)
|
||||
cmd.Flags().String("clusterrole", "", i18n.T("ClusterRole this RoleBinding should reference"))
|
||||
cmd.Flags().String("role", "", i18n.T("Role this RoleBinding should reference"))
|
||||
cmd.Flags().StringArray("user", []string{}, "Usernames to bind to the role")
|
||||
cmd.Flags().StringArray("group", []string{}, "Groups to bind to the role")
|
||||
cmd.Flags().StringArray("serviceaccount", []string{}, "Service accounts to bind to the role, in the format <namespace>:<name>")
|
||||
cmdutil.AddFieldManagerFlagVar(cmd, &o.CreateSubcommandOptions.FieldManager, "kubectl-create")
|
||||
cmdutil.AddDryRunFlag(cmd)
|
||||
cmd.Flags().StringVar(&o.ClusterRole, "clusterrole", "", i18n.T("ClusterRole this RoleBinding should reference"))
|
||||
cmd.Flags().StringVar(&o.Role, "role", "", i18n.T("Role this RoleBinding should reference"))
|
||||
cmd.Flags().StringArrayVar(&o.Users, "user", o.Users, "Usernames to bind to the role")
|
||||
cmd.Flags().StringArrayVar(&o.Groups, "group", o.Groups, "Groups to bind to the role")
|
||||
cmd.Flags().StringArrayVar(&o.ServiceAccounts, "serviceaccount", o.ServiceAccounts, "Service accounts to bind to the role, in the format <namespace>:<name>")
|
||||
cmdutil.AddFieldManagerFlagVar(cmd, &o.FieldManager, "kubectl-create")
|
||||
return cmd
|
||||
}
|
||||
|
||||
// Complete completes all the required options
|
||||
func (o *RoleBindingOpts) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string) error {
|
||||
name, err := NameFromCommandArgs(cmd, args)
|
||||
func (o *RoleBindingOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string) error {
|
||||
var err error
|
||||
o.Name, err = NameFromCommandArgs(cmd, args)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
clientConfig, err := f.ToRESTConfig()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
o.Client, err = rbacclientv1.NewForConfig(clientConfig)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
var generator generate.StructuredGenerator
|
||||
switch generatorName := cmdutil.GetFlagString(cmd, "generator"); generatorName {
|
||||
case generateversioned.RoleBindingV1GeneratorName:
|
||||
generator = &generateversioned.RoleBindingGeneratorV1{
|
||||
Name: name,
|
||||
ClusterRole: cmdutil.GetFlagString(cmd, "clusterrole"),
|
||||
Role: cmdutil.GetFlagString(cmd, "role"),
|
||||
Users: cmdutil.GetFlagStringArray(cmd, "user"),
|
||||
Groups: cmdutil.GetFlagStringArray(cmd, "group"),
|
||||
ServiceAccounts: cmdutil.GetFlagStringArray(cmd, "serviceaccount"),
|
||||
}
|
||||
default:
|
||||
return errUnsupportedGenerator(cmd, generatorName)
|
||||
o.Namespace, o.EnforceNamespace, err = f.ToRawKubeConfigLoader().Namespace()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return o.CreateSubcommandOptions.Complete(f, cmd, args, generator)
|
||||
o.CreateAnnotation = cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag)
|
||||
o.DryRunStrategy, err = cmdutil.GetDryRunStrategy(cmd)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
dynamicCient, err := f.DynamicClient()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
discoveryClient, err := f.ToDiscoveryClient()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
o.DryRunVerifier = resource.NewDryRunVerifier(dynamicCient, discoveryClient)
|
||||
cmdutil.PrintFlagsWithDryRunStrategy(o.PrintFlags, o.DryRunStrategy)
|
||||
printer, err := o.PrintFlags.ToPrinter()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
o.PrintObj = func(obj runtime.Object) error {
|
||||
return printer.PrintObj(obj, o.Out)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Run calls the CreateSubcommandOptions.Run in RoleBindingOpts instance
|
||||
func (o *RoleBindingOpts) Run() error {
|
||||
return o.CreateSubcommandOptions.Run()
|
||||
// Validate validates required fields are set
|
||||
func (o *RoleBindingOptions) Validate() error {
|
||||
if len(o.Name) == 0 {
|
||||
return fmt.Errorf("name must be specified")
|
||||
}
|
||||
if (len(o.ClusterRole) == 0) == (len(o.Role) == 0) {
|
||||
return fmt.Errorf("exactly one of clusterrole or role must be specified")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Run performs the execution of 'create rolebinding' sub command
|
||||
func (o *RoleBindingOptions) Run() error {
|
||||
roleBinding, err := o.createRoleBinding()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if err := util.CreateOrUpdateAnnotation(o.CreateAnnotation, roleBinding, scheme.DefaultJSONEncoder()); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if o.DryRunStrategy != cmdutil.DryRunClient {
|
||||
createOptions := metav1.CreateOptions{}
|
||||
if o.FieldManager != "" {
|
||||
createOptions.FieldManager = o.FieldManager
|
||||
}
|
||||
if o.DryRunStrategy == cmdutil.DryRunServer {
|
||||
if err := o.DryRunVerifier.HasSupport(roleBinding.GroupVersionKind()); err != nil {
|
||||
return err
|
||||
}
|
||||
createOptions.DryRun = []string{metav1.DryRunAll}
|
||||
}
|
||||
roleBinding, err = o.Client.RoleBindings(o.Namespace).Create(context.TODO(), roleBinding, createOptions)
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to create rolebinding: %v", err)
|
||||
}
|
||||
}
|
||||
return o.PrintObj(roleBinding)
|
||||
}
|
||||
|
||||
func (o *RoleBindingOptions) createRoleBinding() (*rbacv1.RoleBinding, error) {
|
||||
namespace := ""
|
||||
if o.EnforceNamespace {
|
||||
namespace = o.Namespace
|
||||
}
|
||||
|
||||
roleBinding := &rbacv1.RoleBinding{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: rbacv1.SchemeGroupVersion.String(), Kind: "RoleBinding"},
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: o.Name,
|
||||
Namespace: namespace,
|
||||
},
|
||||
}
|
||||
|
||||
switch {
|
||||
case len(o.Role) > 0:
|
||||
roleBinding.RoleRef = rbacv1.RoleRef{
|
||||
APIGroup: rbacv1.GroupName,
|
||||
Kind: "Role",
|
||||
Name: o.Role,
|
||||
}
|
||||
case len(o.ClusterRole) > 0:
|
||||
roleBinding.RoleRef = rbacv1.RoleRef{
|
||||
APIGroup: rbacv1.GroupName,
|
||||
Kind: "ClusterRole",
|
||||
Name: o.ClusterRole,
|
||||
}
|
||||
}
|
||||
|
||||
for _, user := range o.Users {
|
||||
roleBinding.Subjects = append(roleBinding.Subjects, rbacv1.Subject{
|
||||
Kind: rbacv1.UserKind,
|
||||
APIGroup: rbacv1.GroupName,
|
||||
Name: user,
|
||||
})
|
||||
}
|
||||
|
||||
for _, group := range o.Groups {
|
||||
roleBinding.Subjects = append(roleBinding.Subjects, rbacv1.Subject{
|
||||
Kind: rbacv1.GroupKind,
|
||||
APIGroup: rbacv1.GroupName,
|
||||
Name: group,
|
||||
})
|
||||
}
|
||||
|
||||
for _, sa := range o.ServiceAccounts {
|
||||
tokens := strings.Split(sa, ":")
|
||||
if len(tokens) != 2 || tokens[0] == "" || tokens[1] == "" {
|
||||
return nil, fmt.Errorf("serviceaccount must be <namespace>:<name>")
|
||||
}
|
||||
roleBinding.Subjects = append(roleBinding.Subjects, rbacv1.Subject{
|
||||
Kind: rbacv1.ServiceAccountKind,
|
||||
APIGroup: "",
|
||||
Namespace: tokens[0],
|
||||
Name: tokens[1],
|
||||
})
|
||||
}
|
||||
return roleBinding, nil
|
||||
}
|
||||
|
@ -17,113 +17,71 @@ limitations under the License.
|
||||
package create
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"io/ioutil"
|
||||
"net/http"
|
||||
"reflect"
|
||||
"testing"
|
||||
|
||||
rbac "k8s.io/api/rbac/v1"
|
||||
apiequality "k8s.io/apimachinery/pkg/api/equality"
|
||||
"k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
"k8s.io/apimachinery/pkg/runtime"
|
||||
"k8s.io/apimachinery/pkg/runtime/schema"
|
||||
"k8s.io/cli-runtime/pkg/genericclioptions"
|
||||
restclient "k8s.io/client-go/rest"
|
||||
"k8s.io/client-go/rest/fake"
|
||||
cmdtesting "k8s.io/kubectl/pkg/cmd/testing"
|
||||
"k8s.io/kubectl/pkg/scheme"
|
||||
)
|
||||
|
||||
var groupVersion = schema.GroupVersion{Group: "rbac.authorization.k8s.io", Version: "v1"}
|
||||
|
||||
func TestCreateRoleBinding(t *testing.T) {
|
||||
expectBinding := &rbac.RoleBinding{
|
||||
TypeMeta: v1.TypeMeta{
|
||||
APIVersion: "rbac.authorization.k8s.io/v1",
|
||||
Kind: "RoleBinding",
|
||||
},
|
||||
ObjectMeta: v1.ObjectMeta{
|
||||
Name: "fake-binding",
|
||||
},
|
||||
RoleRef: rbac.RoleRef{
|
||||
APIGroup: rbac.GroupName,
|
||||
Kind: "Role",
|
||||
Name: "fake-role",
|
||||
},
|
||||
Subjects: []rbac.Subject{
|
||||
{
|
||||
Kind: rbac.UserKind,
|
||||
APIGroup: "rbac.authorization.k8s.io",
|
||||
Name: "fake-user",
|
||||
tests := []struct {
|
||||
options *RoleBindingOptions
|
||||
expected *rbac.RoleBinding
|
||||
}{
|
||||
{
|
||||
options: &RoleBindingOptions{
|
||||
Role: "fake-role",
|
||||
Users: []string{"fake-user"},
|
||||
Groups: []string{"fake-group"},
|
||||
ServiceAccounts: []string{"fake-namespace:fake-account"},
|
||||
Name: "fake-binding",
|
||||
},
|
||||
{
|
||||
Kind: rbac.GroupKind,
|
||||
APIGroup: "rbac.authorization.k8s.io",
|
||||
Name: "fake-group",
|
||||
},
|
||||
{
|
||||
Kind: rbac.ServiceAccountKind,
|
||||
Namespace: "fake-namespace",
|
||||
Name: "fake-account",
|
||||
expected: &rbac.RoleBinding{
|
||||
TypeMeta: v1.TypeMeta{
|
||||
Kind: "RoleBinding",
|
||||
APIVersion: "rbac.authorization.k8s.io/v1",
|
||||
},
|
||||
ObjectMeta: v1.ObjectMeta{
|
||||
Name: "fake-binding",
|
||||
},
|
||||
RoleRef: rbac.RoleRef{
|
||||
APIGroup: rbac.GroupName,
|
||||
Kind: "Role",
|
||||
Name: "fake-role",
|
||||
},
|
||||
Subjects: []rbac.Subject{
|
||||
{
|
||||
Kind: rbac.UserKind,
|
||||
APIGroup: "rbac.authorization.k8s.io",
|
||||
Name: "fake-user",
|
||||
},
|
||||
{
|
||||
Kind: rbac.GroupKind,
|
||||
APIGroup: "rbac.authorization.k8s.io",
|
||||
Name: "fake-group",
|
||||
},
|
||||
{
|
||||
Kind: rbac.ServiceAccountKind,
|
||||
Namespace: "fake-namespace",
|
||||
Name: "fake-account",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
tf := cmdtesting.NewTestFactory().WithNamespace("test")
|
||||
defer tf.Cleanup()
|
||||
|
||||
ns := scheme.Codecs.WithoutConversion()
|
||||
|
||||
info, _ := runtime.SerializerInfoForMediaType(ns.SupportedMediaTypes(), runtime.ContentTypeJSON)
|
||||
encoder := ns.EncoderForVersion(info.Serializer, groupVersion)
|
||||
decoder := ns.DecoderToVersion(info.Serializer, groupVersion)
|
||||
|
||||
tf.Client = &RoleBindingRESTClient{
|
||||
RESTClient: &fake.RESTClient{
|
||||
GroupVersion: groupVersion,
|
||||
NegotiatedSerializer: ns,
|
||||
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
||||
switch p, m := req.URL.Path, req.Method; {
|
||||
case p == "/namespaces/test/rolebindings" && m == "POST":
|
||||
bodyBits, err := ioutil.ReadAll(req.Body)
|
||||
if err != nil {
|
||||
t.Fatalf("TestCreateRoleBinding error: %v", err)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
if obj, _, err := decoder.Decode(bodyBits, nil, &rbac.RoleBinding{}); err == nil {
|
||||
if !reflect.DeepEqual(obj.(*rbac.RoleBinding), expectBinding) {
|
||||
t.Fatalf("TestCreateRoleBinding: expected:\n%#v\nsaw:\n%#v", expectBinding, obj.(*rbac.RoleBinding))
|
||||
return nil, nil
|
||||
}
|
||||
} else {
|
||||
t.Fatalf("TestCreateRoleBinding error, could not decode the request body into rbac.RoleBinding object: %v", err)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
responseBinding := &rbac.RoleBinding{}
|
||||
responseBinding.Name = "fake-binding"
|
||||
return &http.Response{StatusCode: http.StatusCreated, Header: cmdtesting.DefaultHeader(), Body: ioutil.NopCloser(bytes.NewReader([]byte(runtime.EncodeOrDie(encoder, responseBinding))))}, nil
|
||||
default:
|
||||
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
||||
return nil, nil
|
||||
}
|
||||
}),
|
||||
},
|
||||
for i, tc := range tests {
|
||||
t.Run(string(i), func(t *testing.T) {
|
||||
roleBinding, err := tc.options.createRoleBinding()
|
||||
if err != nil {
|
||||
t.Errorf("unexpected error:\n%#v\n", err)
|
||||
return
|
||||
}
|
||||
if !apiequality.Semantic.DeepEqual(roleBinding, tc.expected) {
|
||||
t.Errorf("expected:\n%#v\ngot:\n%#v", tc.expected, roleBinding)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
cmd := NewCmdCreateRoleBinding(tf, genericclioptions.NewTestIOStreamsDiscard())
|
||||
cmd.Flags().Set("role", "fake-role")
|
||||
cmd.Flags().Set("user", "fake-user")
|
||||
cmd.Flags().Set("group", "fake-group")
|
||||
cmd.Flags().Set("serviceaccount", "fake-namespace:fake-account")
|
||||
cmd.Run(cmd, []string{"fake-binding"})
|
||||
}
|
||||
|
||||
type RoleBindingRESTClient struct {
|
||||
*fake.RESTClient
|
||||
}
|
||||
|
||||
func (c *RoleBindingRESTClient) Post() *restclient.Request {
|
||||
return c.RESTClient.Verb("POST")
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user