fix specialized verbs in create role

pkg/kubectl/cmd/create_role.go

@@ -53,6 +53,40 @@ var (
 
 	// Valid resource verb list for validation.
 	validResourceVerbs = []string{"*", "get", "delete", "list", "create", "update", "patch", "watch", "proxy", "redirect", "deletecollection", "use", "bind", "impersonate"}
+
+	// Specialized verbs and GroupResources
+	specialVerbs = map[string][]schema.GroupResource{
+		"use": {
+			{
+				Group:    "extensions",
+				Resource: "podsecuritypolicies",
+			},
+		},
+		"bind": {
+			{
+				Group:    "rbac.authorization.k8s.io",
+				Resource: "roles",
+			},
+			{
+				Group:    "rbac.authorization.k8s.io",
+				Resource: "clusterroles",
+			},
+		},
+		"impersonate": {
+			{
+				Group:    "",
+				Resource: "users",
+			},
+			{
+				Group:    "",
+				Resource: "groups",
+			},
+			{
+				Group:    "authentication.k8s.io",
+				Resource: "userextras",
+			},
+		},
+	}
 )
 
 type ResourceOptions struct {
@@ -202,7 +236,30 @@ func (c *CreateRoleOptions) Validate() error {
 		if len(r.Resource) == 0 {
 			return fmt.Errorf("resource must be specified if apiGroup/subresource specified")
 		}
-		if _, err := c.Mapper.ResourceFor(schema.GroupVersionResource{Resource: r.Resource, Group: r.Group}); err != nil {
+
+		resource := schema.GroupVersionResource{Resource: r.Resource, Group: r.Group}
+		groupVersionResource, err := c.Mapper.ResourceFor(schema.GroupVersionResource{Resource: r.Resource, Group: r.Group})
+		if err == nil {
+			resource = groupVersionResource
+		}
+
+		for _, v := range c.Verbs {
+			if groupResources, ok := specialVerbs[v]; ok {
+				match := false
+				for _, extra := range groupResources {
+					if resource.Resource == extra.Resource && resource.Group == extra.Group {
+						match = true
+						err = nil
+						break
+					}
+				}
+				if !match {
+					return fmt.Errorf("can not perform '%s' on '%s' in group '%s'", v, resource.Resource, resource.Group)
+				}
+			}
+		}
+
+		if err != nil {
 			return err
 		}
 	}
@@ -255,10 +312,12 @@ func generateResourcePolicyRules(mapper meta.RESTMapper, verbs []string, resourc
 	// 2. Prevents pointing to non-existent resources.
 	// 3. Transfers resource short name to long name. E.g. rs.extensions is transferred to replicasets.extensions
 	for _, r := range resources {
-		resource, err := mapper.ResourceFor(schema.GroupVersionResource{Resource: r.Resource, Group: r.Group})
+		resource := schema.GroupVersionResource{Resource: r.Resource, Group: r.Group}
-		if err != nil {
+		groupVersionResource, err := mapper.ResourceFor(schema.GroupVersionResource{Resource: r.Resource, Group: r.Group})
-			return []rbac.PolicyRule{}, err
+		if err == nil {
+			resource = groupVersionResource
 		}
+
 		if len(r.SubResource) > 0 {
 			resource.Resource = resource.Resource + "/" + r.SubResource
 		}

pkg/kubectl/cmd/create_role_test.go

@@ -229,6 +229,45 @@ func TestValidate(t *testing.T) {
 			},
 			expectErr: true,
 		},
+		"test-special-verb": {
+			roleOptions: &CreateRoleOptions{
+				Name:  "my-role",
+				Verbs: []string{"use"},
+				Resources: []ResourceOptions{
+					{
+						Resource: "pods",
+					},
+				},
+			},
+			expectErr: true,
+		},
+		"test-mix-verbs": {
+			roleOptions: &CreateRoleOptions{
+				Name:  "my-role",
+				Verbs: []string{"impersonate", "use"},
+				Resources: []ResourceOptions{
+					{
+						Resource:    "userextras",
+						SubResource: "scopes",
+					},
+				},
+			},
+			expectErr: true,
+		},
+		"test-special-verb-with-wrong-apigroup": {
+			roleOptions: &CreateRoleOptions{
+				Name:  "my-role",
+				Verbs: []string{"impersonate"},
+				Resources: []ResourceOptions{
+					{
+						Resource:    "userextras",
+						SubResource: "scopes",
+						Group:       "extensions",
+					},
+				},
+			},
+			expectErr: true,
+		},
 		"test-invalid-resource": {
 			roleOptions: &CreateRoleOptions{
 				Name:  "my-role",
@@ -286,6 +325,20 @@ func TestValidate(t *testing.T) {
 			},
 			expectErr: false,
 		},
+		"test-valid-case-with-additional-resource": {
+			roleOptions: &CreateRoleOptions{
+				Name:  "my-role",
+				Verbs: []string{"impersonate"},
+				Resources: []ResourceOptions{
+					{
+						Resource:    "userextras",
+						SubResource: "scopes",
+						Group:       "authentication.k8s.io",
+					},
+				},
+			},
+			expectErr: false,
+		},
 	}
 
 	for name, test := range tests {