133 lines
2.8 KiB
Go
133 lines
2.8 KiB
Go
package resource
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import (
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"strings"
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"github.com/k8sland/k9s/resource/k8s"
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log "github.com/sirupsen/logrus"
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"gopkg.in/yaml.v2"
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"k8s.io/api/rbac/v1"
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)
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// RoleBinding tracks a kubernetes resource.
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type RoleBinding struct {
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*Base
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instance *v1.RoleBinding
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}
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// NewRoleBindingList returns a new resource list.
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func NewRoleBindingList(ns string) List {
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return NewRoleBindingListWithArgs(ns, NewRoleBinding())
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}
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// NewRoleBindingListWithArgs returns a new resource list.
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func NewRoleBindingListWithArgs(ns string, res Resource) List {
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return newList(ns, "rolebinding", res, AllVerbsAccess)
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}
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// NewRoleBinding instantiates a new Endpoint.
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func NewRoleBinding() *RoleBinding {
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return NewRoleBindingWithArgs(k8s.NewRoleBinding())
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}
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// NewRoleBindingWithArgs instantiates a new Endpoint.
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func NewRoleBindingWithArgs(r k8s.Res) *RoleBinding {
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ep := &RoleBinding{
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Base: &Base{
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caller: r,
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},
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}
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ep.creator = ep
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return ep
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}
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// NewInstance builds a new Endpoint instance from a k8s resource.
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func (*RoleBinding) NewInstance(i interface{}) Columnar {
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cm := NewRoleBinding()
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switch i.(type) {
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case *v1.RoleBinding:
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cm.instance = i.(*v1.RoleBinding)
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case v1.RoleBinding:
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ii := i.(v1.RoleBinding)
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cm.instance = &ii
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default:
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log.Fatalf("Unknown %#v", i)
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}
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cm.path = cm.namespacedName(cm.instance.ObjectMeta)
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return cm
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}
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// Marshal resource to yaml.
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func (r *RoleBinding) Marshal(path string) (string, error) {
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ns, n := namespaced(path)
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i, err := r.caller.Get(ns, n)
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if err != nil {
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return "", err
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}
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rb := i.(*v1.RoleBinding)
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rb.TypeMeta.APIVersion = "rbac.authorization.k8s.io/v1"
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rb.TypeMeta.Kind = "RoleBinding"
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raw, err := yaml.Marshal(rb)
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if err != nil {
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return "", err
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}
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return string(raw), nil
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}
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// Header return resource header.
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func (*RoleBinding) Header(ns string) Row {
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hh := Row{}
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if ns == AllNamespaces {
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hh = append(hh, "NAMESPACE")
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}
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return append(hh, "NAME", "ROLE", "SUBJECTS", "AGE")
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}
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// Fields retrieves displayable fields.
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func (r *RoleBinding) Fields(ns string) Row {
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ff := make(Row, 0, len(r.Header(ns)))
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i := r.instance
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if ns == AllNamespaces {
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ff = append(ff, i.Namespace)
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}
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return append(ff,
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i.Name,
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i.RoleRef.Name,
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r.toSubjects(i.Subjects),
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toAge(i.ObjectMeta.CreationTimestamp),
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)
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}
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// ExtFields returns extended fields in relation to headers.
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func (*RoleBinding) ExtFields() Properties {
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return Properties{}
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}
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// Helpers...
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func (r *RoleBinding) toSubjects(ss []v1.Subject) string {
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var acc string
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for i, s := range ss {
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acc += s.Name + "/" + r.toSubjectAlias(s.Kind)
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if i < len(ss)-1 {
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acc += ","
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}
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}
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return acc
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}
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func (r *RoleBinding) toSubjectAlias(s string) string {
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switch s {
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case v1.UserKind:
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return "USR"
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case v1.GroupKind:
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return "GRP"
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case v1.ServiceAccountKind:
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return "SA"
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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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