forked from openshift/origin
-
Notifications
You must be signed in to change notification settings - Fork 1
/
role.go
63 lines (53 loc) · 1.92 KB
/
role.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
package authprune
import (
"fmt"
"io"
"io/ioutil"
"time"
"github.com/golang/glog"
kerrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
rbacv1client "k8s.io/client-go/kubernetes/typed/rbac/v1"
"k8s.io/kubernetes/pkg/kubectl"
)
func NewRoleReaper(roleClient rbacv1client.RolesGetter, bindingClient rbacv1client.RoleBindingsGetter) kubectl.Reaper {
return &RoleReaper{
roleClient: roleClient,
bindingClient: bindingClient,
}
}
type RoleReaper struct {
roleClient rbacv1client.RolesGetter
bindingClient rbacv1client.RoleBindingsGetter
}
// Stop on a reaper is actually used for deletion. In this case, we'll delete referencing rolebindings
// then delete the role.
func (r *RoleReaper) Stop(namespace, name string, timeout time.Duration, gracePeriod *metav1.DeleteOptions) error {
err := reapForRole(r.bindingClient, namespace, name, ioutil.Discard)
if err != nil {
glog.Infof("Cannot prune for role/%s: %v", name, err)
}
if err := r.roleClient.Roles(namespace).Delete(name, &metav1.DeleteOptions{}); err != nil && !kerrors.IsNotFound(err) {
return err
}
return nil
}
func reapForRole(bindingClient rbacv1client.RoleBindingsGetter, namespace, name string, out io.Writer) error {
bindings, err := bindingClient.RoleBindings(namespace).List(metav1.ListOptions{})
if err != nil {
return err
}
errors := []error{}
for _, binding := range bindings.Items {
if binding.RoleRef.Kind == "Role" && binding.RoleRef.Name == name {
foreground := metav1.DeletePropagationForeground
if err := bindingClient.RoleBindings(namespace).Delete(binding.Name, &metav1.DeleteOptions{PropagationPolicy: &foreground}); err != nil && !kerrors.IsNotFound(err) {
errors = append(errors, err)
} else {
fmt.Fprintf(out, "rolebinding.rbac.authorization.k8s.io/"+binding.Name+" deleted\n")
}
}
}
return utilerrors.NewAggregate(errors)
}