// newHandlerForTest returns the admission controller configured for testing.
func newHandlerForTest(c clientset.Interface) (admission.Interface, informers.SharedInformerFactory, error) {
f := informers.NewSharedInformerFactory(c, 5*time.Minute)
handler := NewProvision(c)
plugins := []admission.Interface{handler}
pluginInitializer := admission.NewPluginInitializer(f)
pluginInitializer.Initialize(plugins)
err := admission.Validate(plugins)
return handler, f, err
}
// newHandlerForTest returns the admission controller configured for testing.
func newHandlerForTest(c clientset.Interface) (*podNodeSelector, informers.SharedInformerFactory, error) {
f := informers.NewSharedInformerFactory(nil, c, 5*time.Minute)
handler := NewPodNodeSelector(c, nil)
plugins := []admission.Interface{handler}
pluginInitializer := admission.NewPluginInitializer(f, nil)
pluginInitializer.Initialize(plugins)
err := admission.Validate(plugins)
return handler, f, err
}
// newHandlerForTest returns a handler configured for testing.
func newHandlerForTest(c clientset.Interface) (admission.Interface, informers.SharedInformerFactory, error) {
f := informers.NewSharedInformerFactory(nil, c, 5*time.Minute)
handler, err := NewLimitRanger(c, &DefaultLimitRangerActions{})
if err != nil {
return nil, f, err
}
plugins := []admission.Interface{handler}
pluginInitializer := admission.NewPluginInitializer(f, nil)
pluginInitializer.Initialize(plugins)
err = admission.Validate(plugins)
return handler, f, err
}
// newHandlerForTest returns a configured handler for testing.
func newHandlerForTest(c clientset.Interface) (admission.Interface, informers.SharedInformerFactory, error) {
f := informers.NewSharedInformerFactory(c, 5*time.Minute)
handler, err := NewLifecycle(c, sets.NewString(api.NamespaceDefault, api.NamespaceSystem))
if err != nil {
return nil, f, err
}
plugins := []admission.Interface{handler}
pluginInitializer := admission.NewPluginInitializer(f)
pluginInitializer.Initialize(plugins)
err = admission.Validate(plugins)
return handler, f, err
}
func newHandlerForTest(c kclientset.Interface) (kadmission.Interface, informers.SharedInformerFactory, error) {
plugin, err := NewImageLimitRangerPlugin(c, nil)
if err != nil {
return nil, nil, err
}
f := informers.NewSharedInformerFactory(c, 5*time.Minute)
plugins := []kadmission.Interface{plugin}
pluginInitializer := kadmission.NewPluginInitializer(f, nil)
pluginInitializer.Initialize(plugins)
err = kadmission.Validate(plugins)
return plugin, f, err
}
func TestAdmission(t *testing.T) {
var (
userAlice = userapi.User{
ObjectMeta: kapi.ObjectMeta{
Name: "Alice",
Labels: map[string]string{"foo": "bar"},
},
}
userAliceRef = kapi.ObjectReference{
Kind: authorizationapi.UserKind,
Name: "Alice",
}
userBob = userapi.User{
ObjectMeta: kapi.ObjectMeta{Name: "Bob"},
Groups: []string{"group"},
}
userBobRef = kapi.ObjectReference{
Kind: authorizationapi.UserKind,
Name: "Bob",
}
group = userapi.Group{
ObjectMeta: kapi.ObjectMeta{
Name: "group",
Labels: map[string]string{"baz": "quux"},
},
Users: []string{userBobRef.Name},
}
groupRef = kapi.ObjectReference{
Kind: authorizationapi.GroupKind,
Name: "group",
}
serviceaccount = kapi.ServiceAccount{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "serviceaccount",
Labels: map[string]string{"xyzzy": "thud"},
},
}
serviceaccountRef = kapi.ObjectReference{
Kind: authorizationapi.ServiceAccountKind,
Namespace: "namespace",
Name: "serviceaccount",
}
systemuserRef = kapi.ObjectReference{
Kind: authorizationapi.SystemUserKind,
Name: "system user",
}
systemgroupRef = kapi.ObjectReference{
Kind: authorizationapi.SystemGroupKind,
Name: "system group",
}
)
testCases := []struct {
name string
expectedErr string
object runtime.Object
oldObject runtime.Object
kind unversioned.GroupVersionKind
resource unversioned.GroupVersionResource
namespace string
subresource string
objects []runtime.Object
}{
{
name: "ignore (allow) if subresource is nonempty",
object: &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{userAliceRef},
},
oldObject: &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{},
},
kind: authorizationapi.Kind("RoleBinding").WithVersion("version"),
resource: authorizationapi.Resource("rolebindings").WithVersion("version"),
namespace: "namespace",
subresource: "subresource",
objects: []runtime.Object{
&kapi.Namespace{
ObjectMeta: kapi.ObjectMeta{
Name: "namespace",
},
},
},
},
{
name: "ignore (allow) cluster-scoped rolebinding",
object: &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{userAliceRef},
RoleRef: kapi.ObjectReference{Namespace: authorizationapi.PolicyName},
},
oldObject: &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{},
},
kind: authorizationapi.Kind("RoleBinding").WithVersion("version"),
resource: authorizationapi.Resource("rolebindings").WithVersion("version"),
namespace: "",
subresource: "",
objects: []runtime.Object{
&kapi.Namespace{
ObjectMeta: kapi.ObjectMeta{
Name: "namespace",
},
},
},
},
{
name: "allow if the namespace has no rolebinding restrictions",
object: &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{
userAliceRef,
userBobRef,
groupRef,
serviceaccountRef,
systemgroupRef,
systemuserRef,
},
RoleRef: kapi.ObjectReference{Namespace: authorizationapi.PolicyName},
},
oldObject: &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{},
RoleRef: kapi.ObjectReference{Namespace: authorizationapi.PolicyName},
},
kind: authorizationapi.Kind("RoleBinding").WithVersion("version"),
resource: authorizationapi.Resource("rolebindings").WithVersion("version"),
namespace: "namespace",
subresource: "",
objects: []runtime.Object{
&kapi.Namespace{
ObjectMeta: kapi.ObjectMeta{
Name: "namespace",
},
},
},
},
{
name: "allow if any rolebinding with the subject already exists",
object: &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{
userAliceRef,
groupRef,
serviceaccountRef,
},
RoleRef: kapi.ObjectReference{Namespace: authorizationapi.PolicyName},
},
oldObject: &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{
userAliceRef,
groupRef,
serviceaccountRef,
},
RoleRef: kapi.ObjectReference{Namespace: authorizationapi.PolicyName},
},
kind: authorizationapi.Kind("RoleBinding").WithVersion("version"),
resource: authorizationapi.Resource("rolebindings").WithVersion("version"),
namespace: "namespace",
subresource: "",
objects: []runtime.Object{
&kapi.Namespace{
ObjectMeta: kapi.ObjectMeta{
Name: "namespace",
},
},
&authorizationapi.RoleBindingRestriction{
ObjectMeta: kapi.ObjectMeta{
Name: "bogus-matcher",
Namespace: "namespace",
},
Spec: authorizationapi.RoleBindingRestrictionSpec{
UserRestriction: &authorizationapi.UserRestriction{},
},
},
},
},
{
name: "allow a system user, system group, user, group, or service account in a rolebinding if a literal matches",
object: &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{
systemuserRef,
systemgroupRef,
userAliceRef,
serviceaccountRef,
groupRef,
},
RoleRef: kapi.ObjectReference{Namespace: authorizationapi.PolicyName},
},
oldObject: &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{},
RoleRef: kapi.ObjectReference{Namespace: authorizationapi.PolicyName},
},
kind: authorizationapi.Kind("RoleBinding").WithVersion("version"),
resource: authorizationapi.Resource("rolebindings").WithVersion("version"),
namespace: "namespace",
subresource: "",
objects: []runtime.Object{
&kapi.Namespace{
ObjectMeta: kapi.ObjectMeta{
Name: "namespace",
},
},
&authorizationapi.RoleBindingRestriction{
ObjectMeta: kapi.ObjectMeta{
Name: "match-system-users",
Namespace: "namespace",
},
Spec: authorizationapi.RoleBindingRestrictionSpec{
UserRestriction: &authorizationapi.UserRestriction{
Users: []string{systemuserRef.Name},
},
},
},
&authorizationapi.RoleBindingRestriction{
ObjectMeta: kapi.ObjectMeta{
Name: "match-system-groups",
Namespace: "namespace",
},
Spec: authorizationapi.RoleBindingRestrictionSpec{
GroupRestriction: &authorizationapi.GroupRestriction{
Groups: []string{systemgroupRef.Name},
},
},
},
&authorizationapi.RoleBindingRestriction{
ObjectMeta: kapi.ObjectMeta{
Name: "match-users",
Namespace: "namespace",
},
Spec: authorizationapi.RoleBindingRestrictionSpec{
UserRestriction: &authorizationapi.UserRestriction{
Users: []string{userAlice.Name},
},
},
},
&authorizationapi.RoleBindingRestriction{
ObjectMeta: kapi.ObjectMeta{
Name: "match-groups",
Namespace: "namespace",
},
Spec: authorizationapi.RoleBindingRestrictionSpec{
GroupRestriction: &authorizationapi.GroupRestriction{
Groups: []string{group.Name},
},
},
},
&authorizationapi.RoleBindingRestriction{
ObjectMeta: kapi.ObjectMeta{
Name: "match-serviceaccounts",
Namespace: "namespace",
},
Spec: authorizationapi.RoleBindingRestrictionSpec{
ServiceAccountRestriction: &authorizationapi.ServiceAccountRestriction{
ServiceAccounts: []authorizationapi.ServiceAccountReference{
{
Name: serviceaccount.Name,
Namespace: serviceaccount.Namespace,
},
},
},
},
},
},
},
{
name: "prohibit user without a matching user literal",
expectedErr: fmt.Sprintf("rolebindings to %s %q are not allowed",
userAliceRef.Kind, userAliceRef.Name),
object: &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{
userAliceRef,
},
RoleRef: kapi.ObjectReference{Namespace: authorizationapi.PolicyName},
},
oldObject: &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{},
RoleRef: kapi.ObjectReference{Namespace: authorizationapi.PolicyName},
},
kind: authorizationapi.Kind("RoleBinding").WithVersion("version"),
resource: authorizationapi.Resource("rolebindings").WithVersion("version"),
namespace: "namespace",
subresource: "",
objects: []runtime.Object{
&kapi.Namespace{
ObjectMeta: kapi.ObjectMeta{
Name: "namespace",
},
},
&userAlice,
&userBob,
&authorizationapi.RoleBindingRestriction{
ObjectMeta: kapi.ObjectMeta{
Name: "match-users-bob",
Namespace: "namespace",
},
Spec: authorizationapi.RoleBindingRestrictionSpec{
UserRestriction: &authorizationapi.UserRestriction{
Users: []string{userBobRef.Name},
},
},
},
},
},
{
name: "allow users in a policybinding if a selector matches",
object: &authorizationapi.PolicyBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "policybinding",
},
RoleBindings: map[string]*authorizationapi.RoleBinding{
"rolebinding": {
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{
userAliceRef,
userBobRef,
},
RoleRef: kapi.ObjectReference{
Namespace: authorizationapi.PolicyName,
},
},
},
PolicyRef: kapi.ObjectReference{
Namespace: authorizationapi.PolicyName,
},
},
oldObject: &authorizationapi.PolicyBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "policybinding",
},
RoleBindings: map[string]*authorizationapi.RoleBinding{
"rolebinding": {
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{},
RoleRef: kapi.ObjectReference{
Namespace: authorizationapi.PolicyName,
},
},
},
PolicyRef: kapi.ObjectReference{
Namespace: authorizationapi.PolicyName,
},
},
kind: authorizationapi.Kind("PolicyBinding").WithVersion("version"),
resource: authorizationapi.Resource("policybindings").WithVersion("version"),
namespace: "namespace",
subresource: "",
objects: []runtime.Object{
&kapi.Namespace{
ObjectMeta: kapi.ObjectMeta{
Name: "namespace",
},
},
&authorizationapi.Policy{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: authorizationapi.PolicyName,
},
Roles: map[string]*authorizationapi.Role{
"any": {
ObjectMeta: kapi.ObjectMeta{
Namespace: kapi.NamespaceDefault,
Name: "any",
},
},
},
},
&userAlice,
&userBob,
&authorizationapi.RoleBindingRestriction{
ObjectMeta: kapi.ObjectMeta{
Name: "match-users-alice",
Namespace: "namespace",
},
Spec: authorizationapi.RoleBindingRestrictionSpec{
UserRestriction: &authorizationapi.UserRestriction{
Selectors: []unversioned.LabelSelector{
{MatchLabels: map[string]string{"foo": "bar"}},
},
},
},
},
&authorizationapi.RoleBindingRestriction{
ObjectMeta: kapi.ObjectMeta{
Name: "match-users-bob",
Namespace: "namespace",
},
Spec: authorizationapi.RoleBindingRestrictionSpec{
UserRestriction: &authorizationapi.UserRestriction{
Users: []string{userBob.Name},
},
},
},
},
},
{
name: "prohibit a user in a policybinding without a matching selector",
expectedErr: fmt.Sprintf("rolebindings to %s %q are not allowed",
userBobRef.Kind, userBobRef.Name),
object: &authorizationapi.PolicyBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "policybinding",
},
RoleBindings: map[string]*authorizationapi.RoleBinding{
"rolebinding": {
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{
userAliceRef,
userBobRef,
},
RoleRef: kapi.ObjectReference{
Namespace: authorizationapi.PolicyName,
},
},
},
PolicyRef: kapi.ObjectReference{
Namespace: authorizationapi.PolicyName,
},
},
oldObject: &authorizationapi.PolicyBinding{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "policybinding",
},
RoleBindings: map[string]*authorizationapi.RoleBinding{
"rolebinding": {
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: "rolebinding",
},
Subjects: []kapi.ObjectReference{},
RoleRef: kapi.ObjectReference{
Namespace: authorizationapi.PolicyName,
},
},
},
PolicyRef: kapi.ObjectReference{
Namespace: authorizationapi.PolicyName,
},
},
kind: authorizationapi.Kind("PolicyBinding").WithVersion("version"),
resource: authorizationapi.Resource("policybindings").WithVersion("version"),
namespace: "namespace",
subresource: "",
objects: []runtime.Object{
&kapi.Namespace{
ObjectMeta: kapi.ObjectMeta{
Name: "namespace",
},
},
&authorizationapi.Policy{
ObjectMeta: kapi.ObjectMeta{
Namespace: "namespace",
Name: authorizationapi.PolicyName,
},
Roles: map[string]*authorizationapi.Role{
"any": {
ObjectMeta: kapi.ObjectMeta{
Namespace: kapi.NamespaceDefault,
Name: "any",
},
},
},
},
&userAlice,
&userBob,
&authorizationapi.RoleBindingRestriction{
ObjectMeta: kapi.ObjectMeta{
Name: "match-users-alice",
Namespace: "namespace",
},
Spec: authorizationapi.RoleBindingRestrictionSpec{
UserRestriction: &authorizationapi.UserRestriction{
Selectors: []unversioned.LabelSelector{
{MatchLabels: map[string]string{"foo": "bar"}},
},
},
},
},
},
},
}
for _, tc := range testCases {
kclientset := fake.NewSimpleClientset(tc.objects...)
oclient := otestclient.NewSimpleFake(tc.objects...)
plugin, err := NewRestrictUsersAdmission(kclientset)
if err != nil {
t.Errorf("unexpected error initializing admission plugin: %v", err)
}
plugins := []admission.Interface{plugin}
plugin.(oadmission.WantsOpenshiftClient).SetOpenshiftClient(oclient)
groupCache := usercache.NewGroupCache(&groupCache{[]userapi.Group{group}})
plugin.(oadmission.WantsGroupCache).SetGroupCache(groupCache)
groupCache.Run()
err = admission.Validate(plugins)
if err != nil {
t.Errorf("unexpected error validating admission plugin: %v", err)
}
attributes := admission.NewAttributesRecord(
tc.object,
tc.oldObject,
tc.kind,
tc.namespace,
"name",
tc.resource,
tc.subresource,
admission.Create,
&user.DefaultInfo{},
)
err = plugin.Admit(attributes)
switch {
case len(tc.expectedErr) == 0 && err == nil:
case len(tc.expectedErr) == 0 && err != nil:
t.Errorf("%s: unexpected error: %v", tc.name, err)
case len(tc.expectedErr) != 0 && err == nil:
t.Errorf("%s: missing error: %v", tc.name, tc.expectedErr)
case len(tc.expectedErr) != 0 && err != nil &&
!strings.Contains(err.Error(), tc.expectedErr):
t.Errorf("%s: missing error: expected %v, got %v",
tc.name, tc.expectedErr, err)
}
}
}