func TestControllerError(t *testing.T) {
testCases := map[string]struct {
err func() error
errFn func(err error) bool
reactFn testclient.ReactionFunc
actions int
}{
"not found": {
err: func() error { return errors.NewNotFound("namespace", "test") },
errFn: func(err error) bool { return err == nil },
actions: 1,
},
"unknown": {
err: func() error { return fmt.Errorf("unknown") },
errFn: func(err error) bool { return err.Error() == "unknown" },
actions: 1,
},
"conflict": {
actions: 4,
reactFn: func(a testclient.Action) (runtime.Object, error) {
if a.Matches("get", "namespaces") {
return &kapi.Namespace{ObjectMeta: kapi.ObjectMeta{Name: "test"}}, nil
}
return (*kapi.Namespace)(nil), errors.NewConflict("namespace", "test", fmt.Errorf("test conflict"))
},
errFn: func(err error) bool {
return err != nil && strings.Contains(err.Error(), "unable to allocate security info")
},
},
}
for s, testCase := range testCases {
client := &testclient.Fake{ReactFn: testCase.reactFn}
if client.ReactFn == nil {
client.ReactFn = func(a testclient.Action) (runtime.Object, error) {
return (*kapi.Namespace)(nil), testCase.err()
}
}
uidr, _ := uid.NewRange(10, 19, 2)
mcsr, _ := mcs.NewRange("s0:", 10, 2)
uida := uidallocator.NewInMemory(uidr)
c := Allocation{
uid: uida,
mcs: DefaultMCSAllocation(uidr, mcsr, 5),
client: client.Namespaces(),
}
err := c.Next(&kapi.Namespace{ObjectMeta: kapi.ObjectMeta{Name: "test"}})
if !testCase.errFn(err) {
t.Errorf("%s: unexpected error: %v", s, err)
}
if len(client.Actions()) != testCase.actions {
t.Errorf("%s: expected %d actions: %v", s, testCase.actions, client.Actions())
}
if uida.Free() != 5 {
t.Errorf("%s: should not have allocated uid: %d/%d", s, uida.Free(), uidr.Size())
}
}
}
func TestAllocate(t *testing.T) {
ranger, _ := mcs.NewRange("s0:", 5, 2)
r := New(ranger, func(max int, rangeSpec string) allocator.Interface {
return allocator.NewContiguousAllocationMap(max, rangeSpec)
})
if f := r.Free(); f != 10 {
t.Errorf("unexpected free %d", f)
}
found := sets.NewString()
count := 0
for r.Free() > 0 {
label, err := r.AllocateNext()
if err != nil {
t.Fatalf("error @ %d: %v", count, err)
}
count++
if !ranger.Contains(label) {
t.Fatalf("allocated %s which is outside of %s", label, ranger)
}
if found.Has(label.String()) {
t.Fatalf("allocated %s twice @ %d", label, count)
}
found.Insert(label.String())
}
if _, err := r.AllocateNext(); err != ErrFull {
t.Fatal(err)
}
released, _ := ranger.LabelAt(3)
if err := r.Release(released); err != nil {
t.Fatal(err)
}
if f := r.Free(); f != 1 {
t.Errorf("unexpected free %d", f)
}
label, err := r.AllocateNext()
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(released, label) {
t.Errorf("unexpected %s : %s", label, released)
}
if err := r.Release(released); err != nil {
t.Fatal(err)
}
badLabel, _ := ranger.LabelAt(30)
if err := r.Allocate(badLabel); err != ErrNotInRange {
t.Fatal(err)
}
if f := r.Free(); f != 1 {
t.Errorf("unexpected free %d", f)
}
if err := r.Allocate(released); err != nil {
t.Fatal(err)
}
if f := r.Free(); f != 0 {
t.Errorf("unexpected free %d", f)
}
}
func TestController(t *testing.T) {
var action testclient.Action
client := &testclient.Fake{
ReactFn: func(a testclient.Action) (runtime.Object, error) {
action = a
return (*kapi.Namespace)(nil), nil
},
}
uidr, _ := uid.NewRange(10, 20, 2)
mcsr, _ := mcs.NewRange("s0:", 10, 2)
uida := uidallocator.NewInMemory(uidr)
c := Allocation{
uid: uida,
mcs: DefaultMCSAllocation(uidr, mcsr, 5),
client: client.Namespaces(),
}
err := c.Next(&kapi.Namespace{ObjectMeta: kapi.ObjectMeta{Name: "test"}})
if err != nil {
t.Fatal(err)
}
got := action.(testclient.CreateAction).GetObject().(*kapi.Namespace)
if got.Annotations[security.UIDRangeAnnotation] != "10/2" {
t.Errorf("unexpected annotation: %#v", got)
}
if got.Annotations[security.MCSAnnotation] != "s0:c1,c0" {
t.Errorf("unexpected annotation: %#v", got)
}
if !uida.Has(uid.Block{Start: 10, End: 11}) {
t.Errorf("did not allocate uid: %#v", uida)
}
}
func TestController(t *testing.T) {
var action core.Action
client := &fake.Clientset{}
client.AddReactor("*", "*", func(a core.Action) (handled bool, ret runtime.Object, err error) {
action = a
return true, (*kapi.Namespace)(nil), nil
})
uidr, _ := uid.NewRange(10, 20, 2)
mcsr, _ := mcs.NewRange("s0:", 10, 2)
uida := uidallocator.NewInMemory(uidr)
c := Allocation{
uid: uida,
mcs: DefaultMCSAllocation(uidr, mcsr, 5),
client: client.Core().Namespaces(),
}
err := c.Next(&kapi.Namespace{ObjectMeta: kapi.ObjectMeta{Name: "test"}})
if err != nil {
t.Fatal(err)
}
got := action.(core.CreateAction).GetObject().(*kapi.Namespace)
if got.Annotations[security.UIDRangeAnnotation] != "10/2" {
t.Errorf("unexpected uid annotation: %#v", got)
}
if got.Annotations[security.SupplementalGroupsAnnotation] != "10/2" {
t.Errorf("unexpected supplemental group annotation: %#v", got)
}
if got.Annotations[security.MCSAnnotation] != "s0:c1,c0" {
t.Errorf("unexpected mcs annotation: %#v", got)
}
if !uida.Has(uid.Block{Start: 10, End: 11}) {
t.Errorf("did not allocate uid: %#v", uida)
}
}