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