kubernetes/pkg/registry/core/node/strategy_test.go
Khaled Henidak (Kal) a53e2eaeab
move IPv6DualStack feature to stable. (#104691)
* kube-proxy

* endpoints controller

* app: kube-controller-manager

* app: cloud-controller-manager

* kubelet

* app: api-server

* node utils + registry/strategy

* api: validation (comment removal)

* api:pod strategy (util pkg)

* api: docs

* core: integration testing

* kubeadm: change feature gate to GA

* service registry and rest stack

* move feature to GA

* generated
2021-09-24 16:30:22 -07:00

339 lines
11 KiB
Go

/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package node
import (
"context"
"reflect"
"strings"
"testing"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/util/diff"
utilfeature "k8s.io/apiserver/pkg/util/feature"
featuregatetesting "k8s.io/component-base/featuregate/testing"
apitesting "k8s.io/kubernetes/pkg/api/testing"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/features"
// ensure types are installed
_ "k8s.io/kubernetes/pkg/apis/core/install"
)
func TestMatchNode(t *testing.T) {
testFieldMap := map[bool][]fields.Set{
true: {
{"metadata.name": "foo"},
},
false: {
{"foo": "bar"},
},
}
for expectedResult, fieldSet := range testFieldMap {
for _, field := range fieldSet {
m := MatchNode(labels.Everything(), field.AsSelector())
_, matchesSingle := m.MatchesSingle()
if e, a := expectedResult, matchesSingle; e != a {
t.Errorf("%+v: expected %v, got %v", fieldSet, e, a)
}
}
}
}
func TestSelectableFieldLabelConversions(t *testing.T) {
apitesting.TestSelectableFieldLabelConversionsOfKind(t,
"v1",
"Node",
NodeToSelectableFields(&api.Node{}),
nil,
)
}
// helper creates a NodeNode with a set of PodCIDRs, Spec.ConfigSource, Status.Config
func makeNode(podCIDRs []string, addSpecDynamicConfig bool, addStatusDynamicConfig bool) *api.Node {
node := &api.Node{
Spec: api.NodeSpec{
PodCIDRs: podCIDRs,
},
}
if addSpecDynamicConfig {
node.Spec.ConfigSource = &api.NodeConfigSource{}
}
if addStatusDynamicConfig {
node.Status = api.NodeStatus{
Config: &api.NodeConfigStatus{},
}
}
return node
}
func TestDropFields(t *testing.T) {
testCases := []struct {
name string
node *api.Node
oldNode *api.Node
compareNode *api.Node
enableNodeDynamicConfig bool
}{
{
name: "nil pod cidrs",
node: makeNode(nil, false, false),
oldNode: nil,
compareNode: makeNode(nil, false, false),
},
{
name: "empty pod ips",
node: makeNode([]string{}, false, false),
oldNode: nil,
compareNode: makeNode([]string{}, false, false),
},
{
name: "single family ipv6",
node: makeNode([]string{"2000::/10"}, false, false),
compareNode: makeNode([]string{"2000::/10"}, false, false),
},
{
name: "single family ipv4",
node: makeNode([]string{"10.0.0.0/8"}, false, false),
compareNode: makeNode([]string{"10.0.0.0/8"}, false, false),
},
{
name: "dualstack 4-6",
node: makeNode([]string{"10.0.0.0/8", "2000::/10"}, false, false),
compareNode: makeNode([]string{"10.0.0.0/8", "2000::/10"}, false, false),
},
{
name: "dualstack 6-4",
node: makeNode([]string{"2000::/10", "10.0.0.0/8"}, false, false),
compareNode: makeNode([]string{"2000::/10", "10.0.0.0/8"}, false, false),
},
{
name: "new with no Spec.ConfigSource and no Status.Config , enableNodeDynamicConfig disabled",
enableNodeDynamicConfig: false,
node: makeNode(nil, false, false),
oldNode: nil,
compareNode: makeNode(nil, false, false),
},
{
name: "new with Spec.ConfigSource and no Status.Config, enableNodeDynamicConfig disabled",
enableNodeDynamicConfig: false,
node: makeNode(nil, true, false),
oldNode: nil,
compareNode: makeNode(nil, false, false),
},
{
name: "new with Spec.ConfigSource and Status.Config, enableNodeDynamicConfig disabled",
enableNodeDynamicConfig: false,
node: makeNode(nil, true, true),
oldNode: nil,
compareNode: makeNode(nil, false, false),
},
{
name: "update with Spec.ConfigSource and Status.Config (old has none), enableNodeDynamicConfig disabled",
enableNodeDynamicConfig: false,
node: makeNode(nil, true, true),
oldNode: makeNode(nil, false, false),
compareNode: makeNode(nil, false, true),
},
{
name: "update with Spec.ConfigSource and Status.Config (old has them), enableNodeDynamicConfig disabled",
enableNodeDynamicConfig: false,
node: makeNode(nil, true, true),
oldNode: makeNode(nil, true, true),
compareNode: makeNode(nil, true, true),
},
{
name: "update with Spec.ConfigSource and Status.Config (old has Status.Config), enableNodeDynamicConfig disabled",
enableNodeDynamicConfig: false,
node: makeNode(nil, true, true),
oldNode: makeNode(nil, false, true),
compareNode: makeNode(nil, false, true),
},
{
name: "new with Spec.ConfigSource and Status.Config, enableNodeDynamicConfig enabled",
enableNodeDynamicConfig: true,
node: makeNode(nil, true, true),
oldNode: nil,
compareNode: makeNode(nil, true, true),
},
}
for _, tc := range testCases {
func() {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.DynamicKubeletConfig, tc.enableNodeDynamicConfig)()
dropDisabledFields(tc.node, tc.oldNode)
old := tc.oldNode.DeepCopy()
// old node should never be changed
if !reflect.DeepEqual(tc.oldNode, old) {
t.Errorf("%v: old node changed: %v", tc.name, diff.ObjectReflectDiff(tc.oldNode, old))
}
if !reflect.DeepEqual(tc.node, tc.compareNode) {
t.Errorf("%v: unexpected node spec: %v", tc.name, diff.ObjectReflectDiff(tc.node, tc.compareNode))
}
}()
}
}
func TestValidateUpdate(t *testing.T) {
tests := []struct {
oldNode api.Node
node api.Node
valid bool
}{
{api.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "hugepage-change-values-from-0",
},
Status: api.NodeStatus{
Capacity: api.ResourceList{
api.ResourceName("hugepages-2Mi"): resource.MustParse("0"),
api.ResourceName("hugepages-1Gi"): resource.MustParse("2Gi"),
},
},
}, api.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "hugepage-change-values-from-0",
},
Status: api.NodeStatus{
Capacity: api.ResourceList{
api.ResourceName("hugepages-2Mi"): resource.MustParse("2Gi"),
api.ResourceName("hugepages-1Gi"): resource.MustParse("2Gi"),
},
},
}, true},
{api.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "hugepage-change-values",
},
Status: api.NodeStatus{
Capacity: api.ResourceList{
api.ResourceName("hugepages-2Mi"): resource.MustParse("1Gi"),
api.ResourceName("hugepages-1Gi"): resource.MustParse("2Gi"),
},
},
}, api.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "hugepage-change-values",
},
Status: api.NodeStatus{
Capacity: api.ResourceList{
api.ResourceName("hugepages-2Mi"): resource.MustParse("2Gi"),
api.ResourceName("hugepages-1Gi"): resource.MustParse("2Gi"),
},
},
}, true},
}
for i, test := range tests {
test.node.ObjectMeta.ResourceVersion = "1"
errs := (nodeStrategy{}).ValidateUpdate(context.Background(), &test.node, &test.oldNode)
if test.valid && len(errs) > 0 {
t.Errorf("%d: Unexpected error: %v", i, errs)
t.Logf("%#v vs %#v", test.oldNode.ObjectMeta, test.node.ObjectMeta)
}
if !test.valid && len(errs) == 0 {
t.Errorf("%d: Unexpected non-error", i)
}
}
}
func TestValidate(t *testing.T) {
tests := []struct {
node api.Node
valid bool
}{
{api.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "one-hugepage-size",
},
Status: api.NodeStatus{
Capacity: api.ResourceList{
api.ResourceCPU: resource.MustParse("100"),
api.ResourceMemory: resource.MustParse("10000"),
api.ResourceName("hugepages-2Mi"): resource.MustParse("0"),
api.ResourceName("hugepages-1Gi"): resource.MustParse("2Gi"),
},
},
}, true},
{api.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "multiple-hugepage-sizes",
},
Status: api.NodeStatus{
Capacity: api.ResourceList{
api.ResourceCPU: resource.MustParse("100"),
api.ResourceMemory: resource.MustParse("10000"),
api.ResourceName("hugepages-2Mi"): resource.MustParse("2Gi"),
api.ResourceName("hugepages-1Gi"): resource.MustParse("2Gi"),
},
},
}, true},
}
for i, test := range tests {
test.node.ObjectMeta.ResourceVersion = "1"
errs := (nodeStrategy{}).Validate(context.Background(), &test.node)
if test.valid && len(errs) > 0 {
t.Errorf("%d: Unexpected error: %v", i, errs)
}
if !test.valid && len(errs) == 0 {
t.Errorf("%d: Unexpected non-error", i)
}
}
}
func TestWarningOnUpdateAndCreate(t *testing.T) {
tests := []struct {
oldNode api.Node
node api.Node
warningText string
}{
{api.Node{},
api.Node{},
""},
{api.Node{},
api.Node{Spec: api.NodeSpec{ConfigSource: &api.NodeConfigSource{}}},
"spec.configSource"},
{api.Node{Spec: api.NodeSpec{ConfigSource: &api.NodeConfigSource{}}},
api.Node{Spec: api.NodeSpec{ConfigSource: &api.NodeConfigSource{}}},
"spec.configSource"},
{api.Node{Spec: api.NodeSpec{ConfigSource: &api.NodeConfigSource{}}},
api.Node{}, ""},
}
for i, test := range tests {
warnings := (nodeStrategy{}).WarningsOnUpdate(context.Background(), &test.node, &test.oldNode)
if (test.warningText != "" && len(warnings) != 1) || (test.warningText == "" && len(warnings) != 0) {
t.Errorf("%d: Unexpected warnings count: %v", i, warnings)
t.Logf("%#v vs %#v", test.oldNode.ObjectMeta, test.node.ObjectMeta)
} else if test.warningText != "" && !strings.Contains(warnings[0], test.warningText) {
t.Errorf("%d: Wrong warning message: %v", i, warnings[0])
}
warnings = (nodeStrategy{}).WarningsOnCreate(context.Background(), &test.node)
if (test.warningText != "" && len(warnings) != 1) || (test.warningText == "" && len(warnings) != 0) {
t.Errorf("%d: Unexpected warnings count: %v", i, warnings)
t.Logf("%#v vs %#v", test.oldNode.ObjectMeta, test.node.ObjectMeta)
} else if test.warningText != "" && !strings.Contains(warnings[0], test.warningText) {
t.Errorf("%d: Wrong warning message: %v", i, warnings[0])
}
}
}