k9s/internal/model/subject.go

134 lines
3.5 KiB
Go

package model
import (
"context"
"errors"
"fmt"
"github.com/derailed/k9s/internal"
"github.com/derailed/k9s/internal/render"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
)
// Subject represents a subject model.
type Subject struct {
Resource
subjectKind string
}
// List returns a collection of subjects.
func (s *Subject) List(ctx context.Context) ([]runtime.Object, error) {
var ok bool
s.subjectKind, ok = ctx.Value(internal.KeySubject).(string)
if !ok {
return nil, errors.New("expecting a subject")
}
crbs, err := s.factory.List(render.ClusterScope, "rbac.authorization.k8s.io/v1/clusterrolebindings", labels.Everything())
if err != nil {
return nil, err
}
rbs, err := s.factory.List(render.ClusterScope, "rbac.authorization.k8s.io/v1/rolebindings", labels.Everything())
if err != nil {
return nil, err
}
return append(crbs, rbs...), nil
}
// Hydrate returns a pod as container rows.
func (s *Subject) Hydrate(oo []runtime.Object, rr render.Rows, re Renderer) error {
for i, o := range oo {
res, ok := o.(*unstructured.Unstructured)
if !ok {
return fmt.Errorf("expecting unstructured but got %T", o)
}
if err := re.Render(res, render.AllNamespaces, &rr[i]); err != nil {
return err
}
}
return nil
}
// BOZO!!
// func (s *Subject) fetchClusterRoleBindings() ([]runtime.Object, error) {
// oo, err := s.factory.List(render.ClusterScope, "rbac.authorization.k8s.io/v1/clusterrolebindings", labels.Everything())
// if err != nil {
// return nil, err
// }
// rows := make([]runtime.Object, 0, len(oo))
// for _, o := range oo {
// var crb rbacv1.ClusterRoleBinding
// err = runtime.DefaultUnstructuredConverter.FromUnstructured(o.(*unstructured.Unstructured).Object, &crb)
// if err != nil {
// return nil, err
// }
// for _, subject := range crb.Subjects {
// if subject.Kind != s.subjectKind {
// continue
// }
// rows = append(rows, SubjectRes{
// id: subject.Name,
// fields: render.Fields{subject.Name, "ClusterRoleBinding", crb.Name},
// })
// }
// }
// return rows, nil
// }
// func (s *Subject) fetchRoleBindings() ([]runtime.Object, error) {
// oo, err := s.factory.List(render.ClusterScope, "rbac.authorization.k8s.io/v1/rolebindings", labels.Everything())
// if err != nil {
// return nil, err
// }
// rows := make([]runtime.Object, 0, len(oo))
// for _, o := range oo {
// var rb rbacv1.RoleBinding
// err = runtime.DefaultUnstructuredConverter.FromUnstructured(o.(*unstructured.Unstructured).Object, &rb)
// if err != nil {
// return nil, err
// }
// for _, subject := range rb.Subjects {
// if subject.Kind == s.subjectKind {
// rows = append(rows, SubjectRes{
// id: subject.Name,
// fields: render.Fields{subject.Name, "RoleBinding", rb.Name},
// })
// }
// }
// }
// return rows, nil
// }
// ----------------------------------------------------------------------------
// SubjectRes represents a subject resource.
type SubjectRes struct {
id string
fields render.Fields
}
func (s SubjectRes) GetID() string { return s.id }
func (s SubjectRes) GetFields() render.Fields { return s.fields }
// GetObjectKind returns a schema object.
func (s SubjectRes) GetObjectKind() schema.ObjectKind {
return nil
}
// DeepCopyObject returns a container copy.
func (s SubjectRes) DeepCopyObject() runtime.Object {
return s
}