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node_controller_test.go
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node_controller_test.go
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/*
Copyright 2016 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 cloud
import (
"context"
"errors"
"fmt"
"reflect"
"testing"
"time"
"k8s.io/api/core/v1"
"k8s.io/client-go/kubernetes/fake"
"k8s.io/client-go/kubernetes/scheme"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/informers"
"k8s.io/client-go/tools/record"
"k8s.io/cloud-provider"
cloudproviderapi "k8s.io/cloud-provider/api"
fakecloud "k8s.io/cloud-provider/fake"
"k8s.io/kubernetes/pkg/controller/testutil"
kubeletapis "k8s.io/kubernetes/pkg/kubelet/apis"
"github.com/stretchr/testify/assert"
"k8s.io/klog"
)
func TestEnsureNodeExistsByProviderID(t *testing.T) {
testCases := []struct {
testName string
node *v1.Node
expectedCalls []string
expectedNodeExists bool
hasInstanceID bool
existsByProviderID bool
nodeNameErr error
providerIDErr error
}{
{
testName: "node exists by provider id",
existsByProviderID: true,
providerIDErr: nil,
hasInstanceID: true,
nodeNameErr: errors.New("unimplemented"),
expectedCalls: []string{"instance-exists-by-provider-id"},
expectedNodeExists: true,
node: &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
},
Spec: v1.NodeSpec{
ProviderID: "node0",
},
},
},
{
testName: "does not exist by provider id",
existsByProviderID: false,
providerIDErr: nil,
hasInstanceID: true,
nodeNameErr: errors.New("unimplemented"),
expectedCalls: []string{"instance-exists-by-provider-id"},
expectedNodeExists: false,
node: &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
},
Spec: v1.NodeSpec{
ProviderID: "node0",
},
},
},
{
testName: "exists by instance id",
existsByProviderID: true,
providerIDErr: nil,
hasInstanceID: true,
nodeNameErr: nil,
expectedCalls: []string{"instance-id", "instance-exists-by-provider-id"},
expectedNodeExists: true,
node: &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
},
},
},
{
testName: "does not exist by no instance id",
existsByProviderID: true,
providerIDErr: nil,
hasInstanceID: false,
nodeNameErr: cloudprovider.InstanceNotFound,
expectedCalls: []string{"instance-id"},
expectedNodeExists: false,
node: &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
},
},
},
{
testName: "provider id returns error",
existsByProviderID: false,
providerIDErr: errors.New("unimplemented"),
hasInstanceID: true,
nodeNameErr: cloudprovider.InstanceNotFound,
expectedCalls: []string{"instance-exists-by-provider-id"},
expectedNodeExists: false,
node: &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
},
Spec: v1.NodeSpec{
ProviderID: "node0",
},
},
},
}
for _, tc := range testCases {
t.Run(tc.testName, func(t *testing.T) {
fc := &fakecloud.Cloud{
ExistsByProviderID: tc.existsByProviderID,
Err: tc.nodeNameErr,
ErrByProviderID: tc.providerIDErr,
}
if tc.hasInstanceID {
fc.ExtID = map[types.NodeName]string{
types.NodeName(tc.node.Name): "provider-id://a",
}
}
instances, _ := fc.Instances()
exists, err := ensureNodeExistsByProviderID(context.TODO(), instances, tc.node)
assert.Equal(t, err, tc.providerIDErr)
assert.EqualValues(t, tc.expectedCalls, fc.Calls,
"expected cloud provider methods `%v` to be called but `%v` was called ",
tc.expectedCalls, fc.Calls)
assert.Equal(t, tc.expectedNodeExists, exists,
"expected exists to be `%t` but got `%t`",
tc.existsByProviderID, exists)
})
}
}
// This test checks that a node with the external cloud provider taint is cloudprovider initialized
func TestNodeInitialized(t *testing.T) {
fnh := &testutil.FakeNodeHandler{
Existing: []*v1.Node{
{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
},
Status: v1.NodeStatus{
Conditions: []v1.NodeCondition{
{
Type: v1.NodeReady,
Status: v1.ConditionUnknown,
LastHeartbeatTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
LastTransitionTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
},
},
},
Spec: v1.NodeSpec{
Taints: []v1.Taint{
{
Key: cloudproviderapi.TaintExternalCloudProvider,
Value: "true",
Effect: v1.TaintEffectNoSchedule,
},
},
},
},
},
Clientset: fake.NewSimpleClientset(&v1.PodList{}),
DeleteWaitChan: make(chan struct{}),
}
factory := informers.NewSharedInformerFactory(fnh, 0)
fakeCloud := &fakecloud.Cloud{
InstanceTypes: map[types.NodeName]string{
types.NodeName("node0"): "t1.micro",
},
Addresses: []v1.NodeAddress{
{
Type: v1.NodeHostName,
Address: "node0.cloud.internal",
},
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.163",
},
},
Err: nil,
}
eventBroadcaster := record.NewBroadcaster()
cloudNodeController := &CloudNodeController{
kubeClient: fnh,
nodeInformer: factory.Core().V1().Nodes(),
cloud: fakeCloud,
recorder: eventBroadcaster.NewRecorder(scheme.Scheme, v1.EventSource{Component: "cloud-node-controller"}),
nodeStatusUpdateFrequency: 1 * time.Second,
}
eventBroadcaster.StartLogging(klog.Infof)
cloudNodeController.AddCloudNode(context.TODO(), fnh.Existing[0])
assert.Equal(t, 1, len(fnh.UpdatedNodes), "Node was not updated")
assert.Equal(t, "node0", fnh.UpdatedNodes[0].Name, "Node was not updated")
assert.Equal(t, 0, len(fnh.UpdatedNodes[0].Spec.Taints), "Node Taint was not removed after cloud init")
}
// This test checks that a node without the external cloud provider taint are NOT cloudprovider initialized
func TestNodeIgnored(t *testing.T) {
fnh := &testutil.FakeNodeHandler{
Existing: []*v1.Node{
{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
},
Status: v1.NodeStatus{
Conditions: []v1.NodeCondition{
{
Type: v1.NodeReady,
Status: v1.ConditionUnknown,
LastHeartbeatTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
LastTransitionTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
},
},
},
},
},
Clientset: fake.NewSimpleClientset(&v1.PodList{}),
DeleteWaitChan: make(chan struct{}),
}
factory := informers.NewSharedInformerFactory(fnh, 0)
fakeCloud := &fakecloud.Cloud{
InstanceTypes: map[types.NodeName]string{
types.NodeName("node0"): "t1.micro",
},
Addresses: []v1.NodeAddress{
{
Type: v1.NodeHostName,
Address: "node0.cloud.internal",
},
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.163",
},
},
Err: nil,
}
eventBroadcaster := record.NewBroadcaster()
cloudNodeController := &CloudNodeController{
kubeClient: fnh,
nodeInformer: factory.Core().V1().Nodes(),
cloud: fakeCloud,
recorder: eventBroadcaster.NewRecorder(scheme.Scheme, v1.EventSource{Component: "cloud-node-controller"}),
}
eventBroadcaster.StartLogging(klog.Infof)
cloudNodeController.AddCloudNode(context.TODO(), fnh.Existing[0])
assert.Equal(t, 0, len(fnh.UpdatedNodes), "Node was wrongly updated")
}
// This test checks that a node with the external cloud provider taint is cloudprovider initialized and
// the GCE route condition is added if cloudprovider is GCE
func TestGCECondition(t *testing.T) {
fnh := &testutil.FakeNodeHandler{
Existing: []*v1.Node{
{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
},
Status: v1.NodeStatus{
Conditions: []v1.NodeCondition{
{
Type: v1.NodeReady,
Status: v1.ConditionUnknown,
LastHeartbeatTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
LastTransitionTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
},
},
},
Spec: v1.NodeSpec{
Taints: []v1.Taint{
{
Key: cloudproviderapi.TaintExternalCloudProvider,
Value: "true",
Effect: v1.TaintEffectNoSchedule,
},
},
},
},
},
Clientset: fake.NewSimpleClientset(&v1.PodList{}),
DeleteWaitChan: make(chan struct{}),
}
factory := informers.NewSharedInformerFactory(fnh, 0)
fakeCloud := &fakecloud.Cloud{
InstanceTypes: map[types.NodeName]string{
types.NodeName("node0"): "t1.micro",
},
Addresses: []v1.NodeAddress{
{
Type: v1.NodeHostName,
Address: "node0.cloud.internal",
},
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.163",
},
},
Provider: "gce",
Err: nil,
}
eventBroadcaster := record.NewBroadcaster()
cloudNodeController := &CloudNodeController{
kubeClient: fnh,
nodeInformer: factory.Core().V1().Nodes(),
cloud: fakeCloud,
recorder: eventBroadcaster.NewRecorder(scheme.Scheme, v1.EventSource{Component: "cloud-node-controller"}),
}
eventBroadcaster.StartLogging(klog.Infof)
cloudNodeController.AddCloudNode(context.TODO(), fnh.Existing[0])
assert.Equal(t, 1, len(fnh.UpdatedNodes), "Node was not updated")
assert.Equal(t, "node0", fnh.UpdatedNodes[0].Name, "Node was not updated")
assert.Equal(t, 2, len(fnh.UpdatedNodes[0].Status.Conditions), "No new conditions were added for GCE")
conditionAdded := false
for _, cond := range fnh.UpdatedNodes[0].Status.Conditions {
if cond.Status == "True" && cond.Type == "NetworkUnavailable" && cond.Reason == "NoRouteCreated" {
conditionAdded = true
}
}
assert.True(t, conditionAdded, "Network Route Condition for GCE not added by external cloud initializer")
}
// This test checks that a node with the external cloud provider taint is cloudprovider initialized and
// and that zone labels are added correctly
func TestZoneInitialized(t *testing.T) {
fnh := &testutil.FakeNodeHandler{
Existing: []*v1.Node{
{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
Labels: map[string]string{},
},
Status: v1.NodeStatus{
Conditions: []v1.NodeCondition{
{
Type: v1.NodeReady,
Status: v1.ConditionUnknown,
LastHeartbeatTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
LastTransitionTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
},
},
},
Spec: v1.NodeSpec{
Taints: []v1.Taint{
{
Key: cloudproviderapi.TaintExternalCloudProvider,
Value: "true",
Effect: v1.TaintEffectNoSchedule,
},
},
},
},
},
Clientset: fake.NewSimpleClientset(&v1.PodList{}),
DeleteWaitChan: make(chan struct{}),
}
factory := informers.NewSharedInformerFactory(fnh, 0)
fakeCloud := &fakecloud.Cloud{
InstanceTypes: map[types.NodeName]string{
types.NodeName("node0"): "t1.micro",
},
Addresses: []v1.NodeAddress{
{
Type: v1.NodeHostName,
Address: "node0.cloud.internal",
},
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.163",
},
},
Provider: "aws",
Zone: cloudprovider.Zone{
FailureDomain: "us-west-1a",
Region: "us-west",
},
Err: nil,
}
eventBroadcaster := record.NewBroadcaster()
cloudNodeController := &CloudNodeController{
kubeClient: fnh,
nodeInformer: factory.Core().V1().Nodes(),
cloud: fakeCloud,
recorder: eventBroadcaster.NewRecorder(scheme.Scheme, v1.EventSource{Component: "cloud-node-controller"}),
}
eventBroadcaster.StartLogging(klog.Infof)
cloudNodeController.AddCloudNode(context.TODO(), fnh.Existing[0])
assert.Equal(t, 1, len(fnh.UpdatedNodes), "Node was not updated")
assert.Equal(t, "node0", fnh.UpdatedNodes[0].Name, "Node was not updated")
assert.Equal(t, 4, len(fnh.UpdatedNodes[0].ObjectMeta.Labels),
"Node label for Region and Zone were not set")
assert.Equal(t, "us-west", fnh.UpdatedNodes[0].ObjectMeta.Labels[v1.LabelZoneRegionStable],
"Node Region not correctly updated")
assert.Equal(t, "us-west-1a", fnh.UpdatedNodes[0].ObjectMeta.Labels[v1.LabelZoneFailureDomainStable],
"Node FailureDomain not correctly updated")
assert.Equal(t, "us-west", fnh.UpdatedNodes[0].ObjectMeta.Labels[v1.LabelZoneRegion],
"Node Region not correctly updated")
assert.Equal(t, "us-west-1a", fnh.UpdatedNodes[0].ObjectMeta.Labels[v1.LabelZoneFailureDomain],
"Node FailureDomain not correctly updated")
}
// This test checks that a node with the external cloud provider taint is cloudprovider initialized and
// and nodeAddresses are updated from the cloudprovider
func TestNodeAddresses(t *testing.T) {
fnh := &testutil.FakeNodeHandler{
Existing: []*v1.Node{
{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
Labels: map[string]string{},
},
Status: v1.NodeStatus{
Conditions: []v1.NodeCondition{
{
Type: v1.NodeReady,
Status: v1.ConditionUnknown,
LastHeartbeatTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
LastTransitionTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
},
},
},
Spec: v1.NodeSpec{
Taints: []v1.Taint{
{
Key: "ImproveCoverageTaint",
Value: "true",
Effect: v1.TaintEffectNoSchedule,
},
{
Key: cloudproviderapi.TaintExternalCloudProvider,
Value: "true",
Effect: v1.TaintEffectNoSchedule,
},
},
},
},
},
Clientset: fake.NewSimpleClientset(&v1.PodList{}),
DeleteWaitChan: make(chan struct{}),
}
factory := informers.NewSharedInformerFactory(fnh, 0)
fakeCloud := &fakecloud.Cloud{
InstanceTypes: map[types.NodeName]string{},
Addresses: []v1.NodeAddress{
{
Type: v1.NodeHostName,
Address: "node0.cloud.internal",
},
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.163",
},
},
Provider: "aws",
Zone: cloudprovider.Zone{
FailureDomain: "us-west-1a",
Region: "us-west",
},
ExistsByProviderID: true,
Err: nil,
}
eventBroadcaster := record.NewBroadcaster()
cloudNodeController := &CloudNodeController{
kubeClient: fnh,
nodeInformer: factory.Core().V1().Nodes(),
cloud: fakeCloud,
nodeStatusUpdateFrequency: 1 * time.Second,
recorder: eventBroadcaster.NewRecorder(scheme.Scheme, v1.EventSource{Component: "cloud-node-controller"}),
}
eventBroadcaster.StartLogging(klog.Infof)
cloudNodeController.AddCloudNode(context.TODO(), fnh.Existing[0])
assert.Equal(t, 1, len(fnh.UpdatedNodes), "Node was not updated")
assert.Equal(t, "node0", fnh.UpdatedNodes[0].Name, "Node was not updated")
assert.Equal(t, 3, len(fnh.UpdatedNodes[0].Status.Addresses), "Node status not updated")
fakeCloud.Addresses = []v1.NodeAddress{
{
Type: v1.NodeHostName,
Address: "node0.cloud.internal",
},
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
}
cloudNodeController.UpdateNodeStatus(context.TODO())
updatedNodes := fnh.GetUpdatedNodesCopy()
assert.Equal(t, 2, len(updatedNodes[0].Status.Addresses), "Node Addresses not correctly updated")
}
// This test checks that a node with the external cloud provider taint is cloudprovider initialized and
// and the provided node ip is validated with the cloudprovider and nodeAddresses are updated from the cloudprovider
func TestNodeProvidedIPAddresses(t *testing.T) {
fnh := &testutil.FakeNodeHandler{
Existing: []*v1.Node{
{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
Labels: map[string]string{},
Annotations: map[string]string{
kubeletapis.AnnotationProvidedIPAddr: "10.0.0.1",
},
},
Status: v1.NodeStatus{
Conditions: []v1.NodeCondition{
{
Type: v1.NodeReady,
Status: v1.ConditionUnknown,
LastHeartbeatTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
LastTransitionTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
},
},
Addresses: []v1.NodeAddress{
{
Type: v1.NodeHostName,
Address: "node0.cloud.internal",
},
},
},
Spec: v1.NodeSpec{
Taints: []v1.Taint{
{
Key: "ImproveCoverageTaint",
Value: "true",
Effect: v1.TaintEffectNoSchedule,
},
{
Key: cloudproviderapi.TaintExternalCloudProvider,
Value: "true",
Effect: v1.TaintEffectNoSchedule,
},
},
ProviderID: "node0.aws.12345",
},
},
},
Clientset: fake.NewSimpleClientset(&v1.PodList{}),
DeleteWaitChan: make(chan struct{}),
}
factory := informers.NewSharedInformerFactory(fnh, 0)
fakeCloud := &fakecloud.Cloud{
InstanceTypes: map[types.NodeName]string{
types.NodeName("node0"): "t1.micro",
types.NodeName("node0.aws.12345"): "t2.macro",
},
Addresses: []v1.NodeAddress{
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.163",
},
},
Provider: "aws",
Zone: cloudprovider.Zone{
FailureDomain: "us-west-1a",
Region: "us-west",
},
ExistsByProviderID: true,
Err: nil,
}
eventBroadcaster := record.NewBroadcaster()
cloudNodeController := &CloudNodeController{
kubeClient: fnh,
nodeInformer: factory.Core().V1().Nodes(),
cloud: fakeCloud,
nodeStatusUpdateFrequency: 1 * time.Second,
recorder: eventBroadcaster.NewRecorder(scheme.Scheme, v1.EventSource{Component: "cloud-node-controller"}),
}
eventBroadcaster.StartLogging(klog.Infof)
cloudNodeController.AddCloudNode(context.TODO(), fnh.Existing[0])
assert.Equal(t, 1, len(fnh.UpdatedNodes), "Node was not updated")
assert.Equal(t, "node0", fnh.UpdatedNodes[0].Name, "Node was not updated")
assert.Equal(t, 3, len(fnh.UpdatedNodes[0].Status.Addresses), "Node status unexpectedly updated")
cloudNodeController.UpdateNodeStatus(context.TODO())
updatedNodes := fnh.GetUpdatedNodesCopy()
assert.Equal(t, 3, len(updatedNodes[0].Status.Addresses), "Node Addresses not correctly updated")
assert.Equal(t, "10.0.0.1", updatedNodes[0].Status.Addresses[0].Address, "Node Addresses not correctly updated")
}
func Test_reconcileNodeLabels(t *testing.T) {
testcases := []struct {
name string
labels map[string]string
expectedLabels map[string]string
expectedErr error
}{
{
name: "requires reconcile",
labels: map[string]string{
v1.LabelZoneFailureDomain: "foo",
v1.LabelZoneRegion: "bar",
v1.LabelInstanceType: "the-best-type",
},
expectedLabels: map[string]string{
v1.LabelZoneFailureDomain: "foo",
v1.LabelZoneRegion: "bar",
v1.LabelZoneFailureDomainStable: "foo",
v1.LabelZoneRegionStable: "bar",
v1.LabelInstanceType: "the-best-type",
v1.LabelInstanceTypeStable: "the-best-type",
},
expectedErr: nil,
},
{
name: "doesn't require reconcile",
labels: map[string]string{
v1.LabelZoneFailureDomain: "foo",
v1.LabelZoneRegion: "bar",
v1.LabelZoneFailureDomainStable: "foo",
v1.LabelZoneRegionStable: "bar",
v1.LabelInstanceType: "the-best-type",
v1.LabelInstanceTypeStable: "the-best-type",
},
expectedLabels: map[string]string{
v1.LabelZoneFailureDomain: "foo",
v1.LabelZoneRegion: "bar",
v1.LabelZoneFailureDomainStable: "foo",
v1.LabelZoneRegionStable: "bar",
v1.LabelInstanceType: "the-best-type",
v1.LabelInstanceTypeStable: "the-best-type",
},
expectedErr: nil,
},
{
name: "require reconcile -- secondary labels are different from primary",
labels: map[string]string{
v1.LabelZoneFailureDomain: "foo",
v1.LabelZoneRegion: "bar",
v1.LabelZoneFailureDomainStable: "wrongfoo",
v1.LabelZoneRegionStable: "wrongbar",
v1.LabelInstanceType: "the-best-type",
v1.LabelInstanceTypeStable: "the-wrong-type",
},
expectedLabels: map[string]string{
v1.LabelZoneFailureDomain: "foo",
v1.LabelZoneRegion: "bar",
v1.LabelZoneFailureDomainStable: "foo",
v1.LabelZoneRegionStable: "bar",
v1.LabelInstanceType: "the-best-type",
v1.LabelInstanceTypeStable: "the-best-type",
},
expectedErr: nil,
},
}
for _, test := range testcases {
t.Run(test.name, func(t *testing.T) {
testNode := &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "node01",
Labels: test.labels,
},
}
clientset := fake.NewSimpleClientset(testNode)
factory := informers.NewSharedInformerFactory(clientset, 0)
cnc := &CloudNodeController{
kubeClient: clientset,
nodeInformer: factory.Core().V1().Nodes(),
}
// activate node informer
factory.Core().V1().Nodes().Informer()
factory.Start(nil)
factory.WaitForCacheSync(nil)
err := cnc.reconcileNodeLabels("node01")
if err != test.expectedErr {
t.Logf("actual err: %v", err)
t.Logf("expected err: %v", test.expectedErr)
t.Errorf("unexpected error")
}
actualNode, err := clientset.CoreV1().Nodes().Get(context.TODO(), "node01", metav1.GetOptions{})
if err != nil {
t.Fatalf("error getting updated node: %v", err)
}
if !reflect.DeepEqual(actualNode.Labels, test.expectedLabels) {
t.Logf("actual node labels: %v", actualNode.Labels)
t.Logf("expected node labels: %v", test.expectedLabels)
t.Errorf("updated node did not match expected node")
}
})
}
}
// Tests that node address changes are detected correctly
func TestNodeAddressesChangeDetected(t *testing.T) {
addressSet1 := []v1.NodeAddress{
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.163",
},
}
addressSet2 := []v1.NodeAddress{
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.163",
},
}
assert.False(t, nodeAddressesChangeDetected(addressSet1, addressSet2),
"Node address changes are not detected correctly")
addressSet1 = []v1.NodeAddress{
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.164",
},
}
addressSet2 = []v1.NodeAddress{
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.163",
},
}
assert.True(t, nodeAddressesChangeDetected(addressSet1, addressSet2),
"Node address changes are not detected correctly")
addressSet1 = []v1.NodeAddress{
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.164",
},
{
Type: v1.NodeHostName,
Address: "hostname.zone.region.aws.test",
},
}
addressSet2 = []v1.NodeAddress{
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.164",
},
}
assert.True(t, nodeAddressesChangeDetected(addressSet1, addressSet2),
"Node address changes are not detected correctly")
addressSet1 = []v1.NodeAddress{
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.164",
},
}
addressSet2 = []v1.NodeAddress{
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.164",
},
{
Type: v1.NodeHostName,
Address: "hostname.zone.region.aws.test",
},
}
assert.True(t, nodeAddressesChangeDetected(addressSet1, addressSet2),
"Node address changes are not detected correctly")
addressSet1 = []v1.NodeAddress{
{
Type: v1.NodeExternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeInternalIP,
Address: "132.143.154.163",
},
}
addressSet2 = []v1.NodeAddress{
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.163",
},
}
assert.True(t, nodeAddressesChangeDetected(addressSet1, addressSet2),
"Node address changes are not detected correctly")
}
// This test checks that a node with the external cloud provider taint is cloudprovider initialized and
// and node addresses will not be updated when node isn't present according to the cloudprovider
func TestNodeAddressesNotUpdate(t *testing.T) {
fnh := &testutil.FakeNodeHandler{
Existing: []*v1.Node{
{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
Labels: map[string]string{},
},
Status: v1.NodeStatus{
Conditions: []v1.NodeCondition{
{
Type: v1.NodeReady,
Status: v1.ConditionUnknown,
LastHeartbeatTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
LastTransitionTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
},
},
},
Spec: v1.NodeSpec{
Taints: []v1.Taint{
{
Key: "ImproveCoverageTaint",
Value: "true",
Effect: v1.TaintEffectNoSchedule,
},
},
},
},
},
}
factory := informers.NewSharedInformerFactory(fnh, 0)
fakeCloud := &fakecloud.Cloud{
InstanceTypes: map[types.NodeName]string{},
Addresses: []v1.NodeAddress{
{
Type: v1.NodeHostName,
Address: "node0.cloud.internal",
},
{
Type: v1.NodeInternalIP,
Address: "10.0.0.1",
},
{
Type: v1.NodeExternalIP,
Address: "132.143.154.163",
},
},
ExistsByProviderID: false,
Err: nil,
}
cloudNodeController := &CloudNodeController{
kubeClient: fnh,
nodeInformer: factory.Core().V1().Nodes(),
cloud: fakeCloud,
}
cloudNodeController.updateNodeAddress(context.TODO(), fnh.Existing[0], fakeCloud)
if len(fnh.UpdatedNodes) != 0 {
t.Errorf("Node was not correctly updated, the updated len(nodes) got: %v, wanted=0", len(fnh.UpdatedNodes))
}
}
// This test checks that a node is set with the correct providerID
func TestNodeProviderID(t *testing.T) {
fnh := &testutil.FakeNodeHandler{
Existing: []*v1.Node{
{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
Labels: map[string]string{},
},