115 lines
2.5 KiB
Go
115 lines
2.5 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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// Copyright Authors of K9s
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package render
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import (
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"fmt"
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"strings"
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"github.com/derailed/k9s/internal/client"
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"github.com/derailed/k9s/internal/model1"
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rbacv1 "k8s.io/api/rbac/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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)
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var defaultROBHeader = model1.Header{
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model1.HeaderColumn{Name: "NAMESPACE"},
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model1.HeaderColumn{Name: "NAME"},
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model1.HeaderColumn{Name: "ROLE"},
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model1.HeaderColumn{Name: "KIND"},
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model1.HeaderColumn{Name: "SUBJECTS"},
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model1.HeaderColumn{Name: "LABELS", Attrs: model1.Attrs{Wide: true}},
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model1.HeaderColumn{Name: "VALID", Attrs: model1.Attrs{Wide: true}},
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model1.HeaderColumn{Name: "AGE", Attrs: model1.Attrs{Time: true}},
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}
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// RoleBinding renders a K8s RoleBinding to screen.
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type RoleBinding struct {
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Base
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}
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// Header returns a header row.
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func (r RoleBinding) Header(_ string) model1.Header {
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return r.doHeader(defaultROBHeader)
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}
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// Render renders a K8s resource to screen.
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func (r RoleBinding) Render(o any, _ string, row *model1.Row) error {
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raw, ok := o.(*unstructured.Unstructured)
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if !ok {
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return fmt.Errorf("expected Unstructured, but got %T", o)
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}
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if err := r.defaultRow(raw, row); err != nil {
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return err
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}
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if r.specs.isEmpty() {
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return nil
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}
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cols, err := r.specs.realize(raw, defaultROBHeader, row)
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if err != nil {
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return err
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}
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cols.hydrateRow(row)
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return nil
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}
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func (RoleBinding) defaultRow(raw *unstructured.Unstructured, row *model1.Row) error {
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var rb rbacv1.RoleBinding
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &rb)
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if err != nil {
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return err
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}
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kind, ss := renderSubjects(rb.Subjects)
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row.ID = client.MetaFQN(&rb.ObjectMeta)
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row.Fields = model1.Fields{
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rb.Namespace,
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rb.Name,
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rb.RoleRef.Name,
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kind,
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ss,
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mapToStr(rb.Labels),
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"",
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ToAge(rb.GetCreationTimestamp()),
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}
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return nil
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}
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// ----------------------------------------------------------------------------
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// Helpers...
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func renderSubjects(ss []rbacv1.Subject) (kind, subjects string) {
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if len(ss) == 0 {
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return NAValue, ""
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}
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tt := make([]string, 0, len(ss))
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for _, s := range ss {
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kind = toSubjectAlias(s.Kind)
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tt = append(tt, s.Name)
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}
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return kind, strings.Join(tt, ",")
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}
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func toSubjectAlias(s string) string {
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if s == "" {
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return s
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}
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switch s {
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case rbacv1.UserKind:
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return "User"
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case rbacv1.GroupKind:
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return "Group"
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case rbacv1.ServiceAccountKind:
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return "SvcAcct"
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default:
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return strings.ToUpper(s)
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}
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}
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