/
rob.go
103 lines (88 loc) 路 2.27 KB
/
rob.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of K9s
package render
import (
"fmt"
"strings"
"github.com/derailed/k9s/internal/client"
"github.com/derailed/k9s/internal/model1"
rbacv1 "k8s.io/api/rbac/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
)
// RoleBinding renders a K8s RoleBinding to screen.
type RoleBinding struct {
Base
}
// Header returns a header rbw.
func (RoleBinding) Header(ns string) model1.Header {
var h model1.Header
if client.IsAllNamespaces(ns) {
h = append(h, model1.HeaderColumn{Name: "NAMESPACE"})
}
return append(h,
model1.HeaderColumn{Name: "NAME"},
model1.HeaderColumn{Name: "ROLE"},
model1.HeaderColumn{Name: "KIND"},
model1.HeaderColumn{Name: "SUBJECTS"},
model1.HeaderColumn{Name: "LABELS", Wide: true},
model1.HeaderColumn{Name: "VALID", Wide: true},
model1.HeaderColumn{Name: "AGE", Time: true},
)
}
// Render renders a K8s resource to screen.
func (r RoleBinding) Render(o interface{}, ns string, row *model1.Row) error {
raw, ok := o.(*unstructured.Unstructured)
if !ok {
return fmt.Errorf("expected RoleBinding, but got %T", o)
}
var rb rbacv1.RoleBinding
err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &rb)
if err != nil {
return err
}
kind, ss := renderSubjects(rb.Subjects)
row.ID = client.MetaFQN(rb.ObjectMeta)
row.Fields = make(model1.Fields, 0, len(r.Header(ns)))
if client.IsAllNamespaces(ns) {
row.Fields = append(row.Fields, rb.Namespace)
}
row.Fields = append(row.Fields,
rb.Name,
rb.RoleRef.Name,
kind,
ss,
mapToStr(rb.Labels),
"",
ToAge(rb.GetCreationTimestamp()),
)
return nil
}
// ----------------------------------------------------------------------------
// Helpers...
func renderSubjects(ss []rbacv1.Subject) (kind string, subjects string) {
if len(ss) == 0 {
return NAValue, ""
}
tt := make([]string, 0, len(ss))
for _, s := range ss {
kind = toSubjectAlias(s.Kind)
tt = append(tt, s.Name)
}
return kind, strings.Join(tt, ",")
}
func toSubjectAlias(s string) string {
if len(s) == 0 {
return s
}
switch s {
case rbacv1.UserKind:
return "User"
case rbacv1.GroupKind:
return "Group"
case rbacv1.ServiceAccountKind:
return "SvcAcct"
default:
return strings.ToUpper(s)
}
}