forked from openshift/origin
/
delegated.go
152 lines (129 loc) · 4.79 KB
/
delegated.go
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package delegated
import (
"errors"
kapi "github.com/GoogleCloudPlatform/kubernetes/pkg/api"
kapierror "github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
"github.com/GoogleCloudPlatform/kubernetes/pkg/api/meta"
"github.com/GoogleCloudPlatform/kubernetes/pkg/api/rest"
"github.com/GoogleCloudPlatform/kubernetes/pkg/fields"
"github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl/resource"
"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
utilerrors "github.com/GoogleCloudPlatform/kubernetes/pkg/util/errors"
"github.com/openshift/origin/pkg/api/latest"
authorizationapi "github.com/openshift/origin/pkg/authorization/api"
"github.com/openshift/origin/pkg/client"
configcmd "github.com/openshift/origin/pkg/config/cmd"
projectapi "github.com/openshift/origin/pkg/project/api"
projectrequestregistry "github.com/openshift/origin/pkg/project/registry/projectrequest"
templateapi "github.com/openshift/origin/pkg/template/api"
)
type REST struct {
message string
openshiftNamespace string
templateName string
openshiftClient *client.Client
}
func NewREST(message, openshiftNamespace, templateName string, openshiftClient *client.Client) *REST {
return &REST{
message: message,
openshiftNamespace: openshiftNamespace,
templateName: templateName,
openshiftClient: openshiftClient,
}
}
func (r *REST) New() runtime.Object {
return &projectapi.ProjectRequest{}
}
func (r *REST) NewList() runtime.Object {
return &kapi.Status{}
}
func (r *REST) Create(ctx kapi.Context, obj runtime.Object) (runtime.Object, error) {
if err := rest.BeforeCreate(projectrequestregistry.Strategy, ctx, obj); err != nil {
return nil, err
}
projectRequest := obj.(*projectapi.ProjectRequest)
if _, err := r.openshiftClient.Projects().Get(projectRequest.Name); err == nil {
return nil, kapierror.NewAlreadyExists("project", projectRequest.Name)
}
projectName := projectRequest.Name
projectAdmin := ""
if userInfo, exists := kapi.UserFrom(ctx); exists {
projectAdmin = userInfo.GetName()
}
template, err := r.getTemplate()
if err != nil {
return nil, err
}
for i := range template.Parameters {
switch template.Parameters[i].Name {
case ProjectAdminUserParam:
template.Parameters[i].Value = projectAdmin
case ProjectDescriptionParam:
template.Parameters[i].Value = projectRequest.Description
case ProjectDisplayNameParam:
template.Parameters[i].Value = projectRequest.DisplayName
case ProjectNameParam:
template.Parameters[i].Value = projectName
}
}
list, err := r.openshiftClient.TemplateConfigs(kapi.NamespaceDefault).Create(template)
if err != nil {
return nil, err
}
if err := utilerrors.NewAggregate(runtime.DecodeList(list.Objects, kapi.Scheme)); err != nil {
return nil, err
}
bulk := configcmd.Bulk{
Mapper: latest.RESTMapper,
Typer: kapi.Scheme,
RESTClientFactory: func(mapping *meta.RESTMapping) (resource.RESTClient, error) {
return r.openshiftClient, nil
},
}
if err := utilerrors.NewAggregate(bulk.Create(&kapi.List{Items: list.Objects}, projectName)); err != nil {
return nil, err
}
return r.openshiftClient.Projects().Get(projectName)
}
func (r *REST) getTemplate() (*templateapi.Template, error) {
if len(r.openshiftNamespace) == 0 || len(r.templateName) == 0 {
return DefaultTemplate(), nil
}
return r.openshiftClient.Templates(r.openshiftNamespace).Get(r.templateName)
}
func (r *REST) List(ctx kapi.Context, label labels.Selector, field fields.Selector) (runtime.Object, error) {
userInfo, exists := kapi.UserFrom(ctx)
if !exists {
return nil, errors.New("a user must be provided")
}
// the caller might not have permission to run a subject access review (he has it by default, but it could have been removed).
// So we'll escalate for the subject access review to determine rights
accessReview := &authorizationapi.SubjectAccessReview{
Verb: "create",
Resource: "projectrequests",
User: userInfo.GetName(),
Groups: util.NewStringSet(userInfo.GetGroups()...),
}
accessReviewResponse, err := r.openshiftClient.ClusterSubjectAccessReviews().Create(accessReview)
if err != nil {
return nil, err
}
if accessReviewResponse.Allowed {
return &kapi.Status{Status: kapi.StatusSuccess}, nil
}
forbiddenError, _ := kapierror.NewForbidden("ProjectRequest", "", errors.New("you may not request a new project via this API.")).(*kapierror.StatusError)
if len(r.message) > 0 {
forbiddenError.ErrStatus.Message = r.message
forbiddenError.ErrStatus.Details = &kapi.StatusDetails{
Kind: "ProjectRequest",
Causes: []kapi.StatusCause{
{Message: r.message},
},
}
} else {
forbiddenError.ErrStatus.Message = "You may not request a new project via this API."
}
return nil, forbiddenError
}