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https://github.com/k3s-io/kubernetes.git
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Add integration tests for MultiCIDRRangeAllocator
Adds integration tests for the following scenarios with MultiCIDRRangeAllocator enabled: - ClusterCIDR is released when an associated node is deleted. - ClusterCIDR delete when a node is associated, validate the finalizer behavior, make sure that deleted ClusterCIDR is cleaned up after the associated node is deleted. - ClusterCIDR marked as terminating due to deletion must not be used for allocating PodCIDRs to new nodes. - Tie break behavior when multiple ClusterCIDRs are eligible to allocate PodCIDRs to a node.
This commit is contained in:
Sarvesh Rangnekar
parent
36450ee422
commit
9875c1b661
@ -25,6 +25,7 @@ import (
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v1 "k8s.io/api/core/v1"
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networkingv1alpha1 "k8s.io/api/networking/v1alpha1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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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/util/wait"
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@ -40,7 +41,7 @@ import (
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netutils "k8s.io/utils/net"
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)
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func TestIPAMMultiCIDRRangeAllocatorType(t *testing.T) {
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func TestIPAMMultiCIDRRangeAllocatorCIDRAllocate(t *testing.T) {
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// set the feature gate to enable MultiCIDRRangeAllocator
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defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.MultiCIDRRangeAllocator, true)()
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@ -85,19 +86,19 @@ func TestIPAMMultiCIDRRangeAllocatorType(t *testing.T) {
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},
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{
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name: "Single stack IPv4 Pod CIDR assigned to a node",
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clusterCIDR: makeClusterCIDR("ipv4-cc", "10.0.0.0/16", "", nodeSelector(map[string][]string{"ipv4": {"true"}, "singlestack": {"true"}})),
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clusterCIDR: makeClusterCIDR("ipv4-cc", "10.0.0.0/16", "", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "singlestack": {"true"}})),
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node: makeNode("ipv4-node", map[string]string{"ipv4": "true", "singlestack": "true"}),
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expectedPodCIDRs: []string{"10.0.0.0/24"},
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},
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{
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name: "Single stack IPv6 Pod CIDR assigned to a node",
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clusterCIDR: makeClusterCIDR("ipv6-cc", "", "fd00:20:100::/112", nodeSelector(map[string][]string{"ipv6": {"true"}})),
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clusterCIDR: makeClusterCIDR("ipv6-cc", "", "fd00:20:100::/112", 8, nodeSelector(map[string][]string{"ipv6": {"true"}})),
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node: makeNode("ipv6-node", map[string]string{"ipv6": "true"}),
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expectedPodCIDRs: []string{"fd00:20:100::/120"},
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},
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{
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name: "DualStack Pod CIDRs assigned to a node",
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clusterCIDR: makeClusterCIDR("dualstack-cc", "192.168.0.0/16", "fd00:30:100::/112", nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
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clusterCIDR: makeClusterCIDR("dualstack-cc", "192.168.0.0/16", "fd00:30:100::/112", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
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node: makeNode("dualstack-node", map[string]string{"ipv4": "true", "ipv6": "true"}),
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expectedPodCIDRs: []string{"192.168.0.0/24", "fd00:30:100::/120"},
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},
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@ -110,17 +111,6 @@ func TestIPAMMultiCIDRRangeAllocatorType(t *testing.T) {
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if _, err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Create(context.TODO(), test.clusterCIDR, metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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// Wait for the ClusterCIDR to be created
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if err := wait.PollImmediate(time.Second, 5*time.Second, func() (bool, error) {
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cc, err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Get(context.TODO(), test.clusterCIDR.Name, metav1.GetOptions{})
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if err != nil {
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return false, err
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}
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return cc != nil, nil
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}); err != nil {
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t.Fatalf("failed while waiting for ClusterCIDR %q to be created: %v", test.clusterCIDR.Name, err)
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}
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}
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// Sleep for one second to make sure the controller process the new created ClusterCIDR.
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@ -138,6 +128,411 @@ func TestIPAMMultiCIDRRangeAllocatorType(t *testing.T) {
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}
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}
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func TestIPAMMultiCIDRRangeAllocatorCIDRRelease(t *testing.T) {
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// set the feature gate to enable MultiCIDRRangeAllocator
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defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.MultiCIDRRangeAllocator, true)()
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_, kubeConfig, tearDownFn := framework.StartTestServer(t, framework.TestServerSetup{
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ModifyServerRunOptions: func(opts *options.ServerRunOptions) {
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// Disable ServiceAccount admission plugin as we don't have serviceaccount controller running.
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opts.Admission.GenericAdmission.DisablePlugins = []string{"ServiceAccount", "TaintNodesByCondition"}
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opts.APIEnablement.RuntimeConfig.Set("networking.k8s.io/v1alpha1=true")
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},
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})
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defer tearDownFn()
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clientSet := clientset.NewForConfigOrDie(kubeConfig)
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sharedInformer := informers.NewSharedInformerFactory(clientSet, 1*time.Hour)
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ipamController := booststrapMultiCIDRRangeAllocator(t, clientSet, sharedInformer)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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go ipamController.Run(ctx.Done())
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sharedInformer.Start(ctx.Done())
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t.Run("Pod CIDR release after node delete", func(t *testing.T) {
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// Create the test ClusterCIDR.
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clusterCIDR := makeClusterCIDR("dualstack-cc", "192.168.0.0/23", "fd00:30:100::/119", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}}))
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if _, err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Create(context.TODO(), clusterCIDR, metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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// Sleep for one second to make sure the controller process the new created ClusterCIDR.
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time.Sleep(1 * time.Second)
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// Create 1st node and validate that Pod CIDRs are correctly assigned.
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node1 := makeNode("dualstack-node", map[string]string{"ipv4": "true", "ipv6": "true"})
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expectedPodCIDRs1 := []string{"192.168.0.0/24", "fd00:30:100::/120"}
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if _, err := clientSet.CoreV1().Nodes().Create(context.TODO(), node1, metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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if gotPodCIDRs, err := nodePodCIDRs(clientSet, node1.Name); err != nil {
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t.Fatal(err)
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} else if !reflect.DeepEqual(expectedPodCIDRs1, gotPodCIDRs) {
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t.Errorf("unexpected result, expected Pod CIDRs %v but got %v", expectedPodCIDRs1, gotPodCIDRs)
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}
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// Create 2nd node and validate that Pod CIDRs are correctly assigned.
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node2 := makeNode("dualstack-node-2", map[string]string{"ipv4": "true", "ipv6": "true"})
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expectedPodCIDRs2 := []string{"192.168.1.0/24", "fd00:30:100::100/120"}
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if _, err := clientSet.CoreV1().Nodes().Create(context.TODO(), node2, metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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if gotPodCIDRs, err := nodePodCIDRs(clientSet, node2.Name); err != nil {
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t.Fatal(err)
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} else if !reflect.DeepEqual(expectedPodCIDRs2, gotPodCIDRs) {
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t.Errorf("unexpected result, expected Pod CIDRs %v but got %v", expectedPodCIDRs2, gotPodCIDRs)
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}
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// Delete the 1st node, to validate that the PodCIDRs are released.
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if err := clientSet.CoreV1().Nodes().Delete(context.TODO(), node1.Name, metav1.DeleteOptions{}); err != nil {
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t.Fatal(err)
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}
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// Create 3rd node, validate that it has Pod CIDRs assigned from the released CIDR.
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node3 := makeNode("dualstack-node-3", map[string]string{"ipv4": "true", "ipv6": "true"})
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expectedPodCIDRs3 := []string{"192.168.0.0/24", "fd00:30:100::/120"}
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if _, err := clientSet.CoreV1().Nodes().Create(context.TODO(), node3, metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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if gotPodCIDRs, err := nodePodCIDRs(clientSet, node3.Name); err != nil {
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t.Fatal(err)
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} else if !reflect.DeepEqual(expectedPodCIDRs3, gotPodCIDRs) {
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t.Errorf("unexpected result, expected Pod CIDRs %v but got %v", expectedPodCIDRs3, gotPodCIDRs)
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}
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})
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}
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func TestIPAMMultiCIDRRangeAllocatorClusterCIDRDelete(t *testing.T) {
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// set the feature gate to enable MultiCIDRRangeAllocator.
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defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.MultiCIDRRangeAllocator, true)()
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_, kubeConfig, tearDownFn := framework.StartTestServer(t, framework.TestServerSetup{
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ModifyServerRunOptions: func(opts *options.ServerRunOptions) {
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// Disable ServiceAccount admission plugin as we don't have serviceaccount controller running.
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opts.Admission.GenericAdmission.DisablePlugins = []string{"ServiceAccount", "TaintNodesByCondition"}
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opts.APIEnablement.RuntimeConfig.Set("networking.k8s.io/v1alpha1=true")
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},
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})
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defer tearDownFn()
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clientSet := clientset.NewForConfigOrDie(kubeConfig)
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sharedInformer := informers.NewSharedInformerFactory(clientSet, 1*time.Hour)
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ipamController := booststrapMultiCIDRRangeAllocator(t, clientSet, sharedInformer)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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go ipamController.Run(ctx.Done())
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sharedInformer.Start(ctx.Done())
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t.Run("delete cc with node associated", func(t *testing.T) {
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// Create a ClusterCIDR.
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clusterCIDR := makeClusterCIDR("dualstack-cc-del", "192.168.0.0/23", "fd00:30:100::/119", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}}))
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if _, err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Create(context.TODO(), clusterCIDR, metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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// Sleep for one second to make sure the controller processes the newly created ClusterCIDR.
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time.Sleep(1 * time.Second)
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// Create a node, which gets pod CIDR from the clusterCIDR created above.
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node := makeNode("dualstack-node", map[string]string{"ipv4": "true", "ipv6": "true"})
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expectedPodCIDRs := []string{"192.168.0.0/24", "fd00:30:100::/120"}
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if _, err := clientSet.CoreV1().Nodes().Create(context.TODO(), node, metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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if gotPodCIDRs, err := nodePodCIDRs(clientSet, node.Name); err != nil {
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t.Fatal(err)
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} else if !reflect.DeepEqual(expectedPodCIDRs, gotPodCIDRs) {
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t.Errorf("unexpected result, expected Pod CIDRs %v but got %v", expectedPodCIDRs, gotPodCIDRs)
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}
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// Delete the ClusterCIDR.
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if err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Delete(context.TODO(), clusterCIDR.Name, metav1.DeleteOptions{}); err != nil {
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t.Fatal(err)
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}
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// Sleep for five seconds to make sure the ClusterCIDR exists with a deletion timestamp after marked for deletion.
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time.Sleep(5 * time.Second)
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// Make sure that the ClusterCIDR is not deleted, as there is a node associated with it.
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cc, err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Get(context.TODO(), clusterCIDR.Name, metav1.GetOptions{})
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if err != nil {
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t.Fatal(err)
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}
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if cc == nil {
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t.Fatalf("expected Cluster CIDR got nil")
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}
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if cc.DeletionTimestamp.IsZero() {
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t.Fatalf("expected Cluster CIDR to have set a deletion timestamp ")
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}
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//Delete the node.
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if err := clientSet.CoreV1().Nodes().Delete(context.TODO(), node.Name, metav1.DeleteOptions{}); err != nil {
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t.Fatal(err)
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}
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// Poll to make sure that the Node is deleted.
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if err := wait.PollImmediate(time.Second, wait.ForeverTestTimeout, func() (bool, error) {
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_, err := clientSet.CoreV1().Nodes().Get(context.TODO(), node.Name, metav1.GetOptions{})
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if err != nil && !apierrors.IsNotFound(err) {
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return false, err
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}
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return apierrors.IsNotFound(err), nil
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}); err != nil {
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t.Fatalf("failed while waiting for Node %q to be deleted: %v", node.Name, err)
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}
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// Poll to make sure that the ClusterCIDR is now deleted, as there is no node associated with it.
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if err := wait.PollImmediate(time.Second, wait.ForeverTestTimeout, func() (bool, error) {
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_, err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Get(context.TODO(), clusterCIDR.Name, metav1.GetOptions{})
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if err != nil && !apierrors.IsNotFound(err) {
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return false, err
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}
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return apierrors.IsNotFound(err), nil
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}); err != nil {
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t.Fatalf("failed while waiting for ClusterCIDR %q to be deleted: %v", clusterCIDR.Name, err)
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}
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})
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}
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func TestIPAMMultiCIDRRangeAllocatorClusterCIDRTerminate(t *testing.T) {
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// set the feature gate to enable MultiCIDRRangeAllocator.
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defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.MultiCIDRRangeAllocator, true)()
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_, kubeConfig, tearDownFn := framework.StartTestServer(t, framework.TestServerSetup{
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ModifyServerRunOptions: func(opts *options.ServerRunOptions) {
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// Disable ServiceAccount admission plugin as we don't have serviceaccount controller running.
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opts.Admission.GenericAdmission.DisablePlugins = []string{"ServiceAccount", "TaintNodesByCondition"}
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opts.APIEnablement.RuntimeConfig.Set("networking.k8s.io/v1alpha1=true")
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},
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})
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defer tearDownFn()
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clientSet := clientset.NewForConfigOrDie(kubeConfig)
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sharedInformer := informers.NewSharedInformerFactory(clientSet, 1*time.Hour)
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ipamController := booststrapMultiCIDRRangeAllocator(t, clientSet, sharedInformer)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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go ipamController.Run(ctx.Done())
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sharedInformer.Start(ctx.Done())
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t.Run("Pod CIDRS must not be allocated from a terminating CC", func(t *testing.T) {
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// Create a ClusterCIDR which is the best match based on number of matching labels.
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clusterCIDR := makeClusterCIDR("dualstack-cc-del", "192.168.0.0/23", "fd00:30:100::/119", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}}))
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if _, err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Create(context.TODO(), clusterCIDR, metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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// Create a ClusterCIDR which has fewer matching labels than the previous ClusterCIDR.
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clusterCIDR2 := makeClusterCIDR("few-label-match-cc-del", "10.1.0.0/23", "fd12:30:100::/119", 8, nodeSelector(map[string][]string{"ipv4": {"true"}}))
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if _, err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Create(context.TODO(), clusterCIDR2, metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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// Sleep for one second to make sure the controller processes the newly created ClusterCIDR.
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time.Sleep(1 * time.Second)
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// Create a node, which gets pod CIDR from the clusterCIDR created above.
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node := makeNode("dualstack-node", map[string]string{"ipv4": "true", "ipv6": "true"})
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expectedPodCIDRs := []string{"192.168.0.0/24", "fd00:30:100::/120"}
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if _, err := clientSet.CoreV1().Nodes().Create(context.TODO(), node, metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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if gotPodCIDRs, err := nodePodCIDRs(clientSet, node.Name); err != nil {
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t.Fatal(err)
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} else if !reflect.DeepEqual(expectedPodCIDRs, gotPodCIDRs) {
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t.Errorf("unexpected result, expected Pod CIDRs %v but got %v", expectedPodCIDRs, gotPodCIDRs)
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}
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// Delete the ClusterCIDR
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if err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Delete(context.TODO(), clusterCIDR.Name, metav1.DeleteOptions{}); err != nil {
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t.Fatal(err)
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}
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// Make sure that the ClusterCIDR is not deleted, as there is a node associated with it.
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cc, err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Get(context.TODO(), clusterCIDR.Name, metav1.GetOptions{})
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if err != nil {
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t.Fatal(err)
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}
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if cc == nil {
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t.Fatalf("expected Cluster CIDR got nil")
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}
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if cc.DeletionTimestamp.IsZero() {
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t.Fatalf("expected Cluster CIDR to have set a deletion timestamp ")
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}
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// Create a node, which should get Pod CIDRs from the ClusterCIDR with fewer matching label Count,
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// as the best match ClusterCIDR is marked as terminating.
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node2 := makeNode("dualstack-node-2", map[string]string{"ipv4": "true", "ipv6": "true"})
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expectedPodCIDRs2 := []string{"10.1.0.0/24", "fd12:30:100::/120"}
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if _, err := clientSet.CoreV1().Nodes().Create(context.TODO(), node2, metav1.CreateOptions{}); err != nil {
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t.Fatal(err)
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}
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if gotPodCIDRs2, err := nodePodCIDRs(clientSet, node2.Name); err != nil {
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t.Fatal(err)
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} else if !reflect.DeepEqual(expectedPodCIDRs2, gotPodCIDRs2) {
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t.Errorf("unexpected result, expected Pod CIDRs %v but got %v", expectedPodCIDRs2, gotPodCIDRs2)
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}
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})
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}
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func TestIPAMMultiCIDRRangeAllocatorClusterCIDRTieBreak(t *testing.T) {
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// set the feature gate to enable MultiCIDRRangeAllocator
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defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.MultiCIDRRangeAllocator, true)()
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_, kubeConfig, tearDownFn := framework.StartTestServer(t, framework.TestServerSetup{
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ModifyServerRunOptions: func(opts *options.ServerRunOptions) {
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// Disable ServiceAccount admission plugin as we don't have serviceaccount controller running.
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opts.Admission.GenericAdmission.DisablePlugins = []string{"ServiceAccount", "TaintNodesByCondition"}
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opts.APIEnablement.RuntimeConfig.Set("networking.k8s.io/v1alpha1=true")
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},
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})
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defer tearDownFn()
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clientSet := clientset.NewForConfigOrDie(kubeConfig)
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sharedInformer := informers.NewSharedInformerFactory(clientSet, 1*time.Hour)
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ipamController := booststrapMultiCIDRRangeAllocator(t, clientSet, sharedInformer)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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||||
|
||||
go ipamController.Run(ctx.Done())
|
||||
sharedInformer.Start(ctx.Done())
|
||||
|
||||
tests := []struct {
|
||||
name string
|
||||
clusterCIDRs []*networkingv1alpha1.ClusterCIDR
|
||||
node *v1.Node
|
||||
expectedPodCIDRs []string
|
||||
}{
|
||||
{
|
||||
name: "ClusterCIDR with highest matching labels",
|
||||
clusterCIDRs: []*networkingv1alpha1.ClusterCIDR{
|
||||
makeClusterCIDR("single-label-match-cc", "192.168.0.0/23", "fd00:30:100::/119", 8, nodeSelector(map[string][]string{"match": {"single"}})),
|
||||
makeClusterCIDR("double-label-match-cc", "10.0.0.0/23", "fd12:30:200::/119", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
|
||||
},
|
||||
node: makeNode("dualstack-node", map[string]string{"ipv4": "true", "ipv6": "true", "match": "single"}),
|
||||
expectedPodCIDRs: []string{"10.0.0.0/24", "fd12:30:200::/120"},
|
||||
},
|
||||
{
|
||||
name: "ClusterCIDR with fewer allocatable Pod CIDRs",
|
||||
clusterCIDRs: []*networkingv1alpha1.ClusterCIDR{
|
||||
makeClusterCIDR("single-label-match-cc", "192.168.0.0/23", "fd00:30:100::/119", 8, nodeSelector(map[string][]string{"match": {"single"}})),
|
||||
makeClusterCIDR("double-label-match-cc", "10.0.0.0/20", "fd12:30:200::/116", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
|
||||
makeClusterCIDR("few-alloc-cc", "172.16.0.0/23", "fd34:30:100::/119", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
|
||||
},
|
||||
node: makeNode("dualstack-node", map[string]string{"ipv4": "true", "ipv6": "true", "match": "single"}),
|
||||
expectedPodCIDRs: []string{"172.16.0.0/24", "fd34:30:100::/120"},
|
||||
},
|
||||
{
|
||||
name: "ClusterCIDR with lower perNodeHostBits",
|
||||
clusterCIDRs: []*networkingv1alpha1.ClusterCIDR{
|
||||
makeClusterCIDR("single-label-match-cc", "192.168.0.0/23", "fd00:30:100::/119", 8, nodeSelector(map[string][]string{"match": {"single"}})),
|
||||
makeClusterCIDR("double-label-match-cc", "10.0.0.0/20", "fd12:30:200::/116", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
|
||||
makeClusterCIDR("few-alloc-cc", "172.16.0.0/23", "fd34:30:100::/119", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
|
||||
makeClusterCIDR("low-pernodehostbits-cc", "172.31.0.0/24", "fd35:30:100::/120", 7, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
|
||||
},
|
||||
node: makeNode("dualstack-node", map[string]string{"ipv4": "true", "ipv6": "true", "match": "single"}),
|
||||
expectedPodCIDRs: []string{"172.31.0.0/25", "fd35:30:100::/121"},
|
||||
},
|
||||
{
|
||||
name: "ClusterCIDR with label having lower alphanumeric value",
|
||||
clusterCIDRs: []*networkingv1alpha1.ClusterCIDR{
|
||||
makeClusterCIDR("single-label-match-cc", "192.168.0.0/23", "fd00:30:100::/119", 8, nodeSelector(map[string][]string{"match": {"single"}})),
|
||||
makeClusterCIDR("double-label-match-cc", "10.0.0.0/20", "fd12:30:200::/116", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
|
||||
makeClusterCIDR("few-alloc-cc", "172.16.0.0/23", "fd34:30:100::/119", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
|
||||
makeClusterCIDR("low-pernodehostbits-cc", "172.31.0.0/24", "fd35:30:100::/120", 7, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
|
||||
makeClusterCIDR("low-alpha-cc", "192.169.0.0/24", "fd12:40:100::/120", 7, nodeSelector(map[string][]string{"apv4": {"true"}, "bpv6": {"true"}})),
|
||||
},
|
||||
node: makeNode("dualstack-node", map[string]string{"apv4": "true", "bpv6": "true", "ipv4": "true", "ipv6": "true", "match": "single"}),
|
||||
expectedPodCIDRs: []string{"192.169.0.0/25", "fd12:40:100::/121"},
|
||||
},
|
||||
{
|
||||
name: "ClusterCIDR with alphanumerically smaller IP address",
|
||||
clusterCIDRs: []*networkingv1alpha1.ClusterCIDR{
|
||||
makeClusterCIDR("single-label-match-cc", "192.168.0.0/23", "fd00:30:100::/119", 8, nodeSelector(map[string][]string{"match": {"single"}})),
|
||||
makeClusterCIDR("double-label-match-cc", "10.0.0.0/20", "fd12:30:200::/116", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
|
||||
makeClusterCIDR("few-alloc-cc", "172.16.0.0/23", "fd34:30:100::/119", 8, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
|
||||
makeClusterCIDR("low-pernodehostbits-cc", "172.31.0.0/24", "fd35:30:100::/120", 7, nodeSelector(map[string][]string{"ipv4": {"true"}, "ipv6": {"true"}})),
|
||||
makeClusterCIDR("low-alpha-cc", "192.169.0.0/24", "fd12:40:100::/120", 7, nodeSelector(map[string][]string{"apv4": {"true"}, "bpv6": {"true"}})),
|
||||
makeClusterCIDR("low-ip-cc", "10.1.0.0/24", "fd00:10:100::/120", 7, nodeSelector(map[string][]string{"apv4": {"true"}, "bpv6": {"true"}})),
|
||||
},
|
||||
node: makeNode("dualstack-node", map[string]string{"apv4": "true", "bpv6": "true", "ipv4": "true", "ipv6": "true", "match": "single"}),
|
||||
expectedPodCIDRs: []string{"10.1.0.0/25", "fd00:10:100::/121"},
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range tests {
|
||||
t.Run(test.name, func(t *testing.T) {
|
||||
for _, clusterCIDR := range test.clusterCIDRs {
|
||||
// Create the test ClusterCIDR
|
||||
if _, err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Create(context.TODO(), clusterCIDR, metav1.CreateOptions{}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}
|
||||
|
||||
// Sleep for one second to make sure the controller process the new created ClusterCIDR.
|
||||
time.Sleep(1 * time.Second)
|
||||
|
||||
// Create a node and validate that Pod CIDRs are correctly assigned.
|
||||
if _, err := clientSet.CoreV1().Nodes().Create(context.TODO(), test.node, metav1.CreateOptions{}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if gotPodCIDRs, err := nodePodCIDRs(clientSet, test.node.Name); err != nil {
|
||||
t.Fatal(err)
|
||||
} else if !reflect.DeepEqual(test.expectedPodCIDRs, gotPodCIDRs) {
|
||||
t.Errorf("unexpected result, expected Pod CIDRs %v but got %v", test.expectedPodCIDRs, gotPodCIDRs)
|
||||
}
|
||||
|
||||
// Delete the node.
|
||||
if err := clientSet.CoreV1().Nodes().Delete(context.TODO(), test.node.Name, metav1.DeleteOptions{}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
// Wait till the Node is deleted.
|
||||
if err := wait.PollImmediate(time.Second, wait.ForeverTestTimeout, func() (bool, error) {
|
||||
_, err := clientSet.CoreV1().Nodes().Get(context.TODO(), test.node.Name, metav1.GetOptions{})
|
||||
if err != nil && !apierrors.IsNotFound(err) {
|
||||
return false, err
|
||||
}
|
||||
return apierrors.IsNotFound(err), nil
|
||||
}); err != nil {
|
||||
t.Fatalf("failed while waiting for Node %q to be deleted: %v", test.node.Name, err)
|
||||
}
|
||||
|
||||
// Delete the Cluster CIDRs.
|
||||
for _, clusterCIDR := range test.clusterCIDRs {
|
||||
// Delete the test ClusterCIDR.
|
||||
if err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Delete(context.TODO(), clusterCIDR.Name, metav1.DeleteOptions{}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
// Wait till the ClusterCIDR is deleted.
|
||||
if err := wait.PollImmediate(time.Second, wait.ForeverTestTimeout, func() (bool, error) {
|
||||
_, err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Get(context.TODO(), clusterCIDR.Name, metav1.GetOptions{})
|
||||
if err != nil && !apierrors.IsNotFound(err) {
|
||||
return false, err
|
||||
}
|
||||
return apierrors.IsNotFound(err), nil
|
||||
}); err != nil {
|
||||
t.Fatalf("failed while waiting for ClusterCIDR %q to be deleted: %v", clusterCIDR.Name, err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func booststrapMultiCIDRRangeAllocator(t *testing.T,
|
||||
clientSet clientset.Interface,
|
||||
sharedInformer informers.SharedInformerFactory,
|
||||
@ -151,9 +546,9 @@ func booststrapMultiCIDRRangeAllocator(t *testing.T,
|
||||
clusterCIDRs := []*net.IPNet{clusterCIDRv4, clusterCIDRv6}
|
||||
nodeMaskCIDRs := []int{24, 120}
|
||||
|
||||
// set the current state of the informer, we can preseed nodes and ClusterCIDRs so we
|
||||
// set the current state of the informer, we can pre-seed nodes and ClusterCIDRs, so that we
|
||||
// can simulate the bootstrap
|
||||
initialCC := makeClusterCIDR("initial-cc", "10.2.0.0/16", "fd00:20:96::/112", nodeSelector(map[string][]string{"bootstrap": {"true"}}))
|
||||
initialCC := makeClusterCIDR("initial-cc", "10.2.0.0/16", "fd00:20:96::/112", 8, nodeSelector(map[string][]string{"bootstrap": {"true"}}))
|
||||
if _, err := clientSet.NetworkingV1alpha1().ClusterCIDRs().Create(context.TODO(), initialCC, metav1.CreateOptions{}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
@ -201,13 +596,13 @@ func makeNode(name string, labels map[string]string) *v1.Node {
|
||||
}
|
||||
}
|
||||
|
||||
func makeClusterCIDR(name, ipv4CIDR, ipv6CIDR string, nodeSelector *v1.NodeSelector) *networkingv1alpha1.ClusterCIDR {
|
||||
func makeClusterCIDR(name, ipv4CIDR, ipv6CIDR string, perNodeHostBits int32, nodeSelector *v1.NodeSelector) *networkingv1alpha1.ClusterCIDR {
|
||||
return &networkingv1alpha1.ClusterCIDR{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: name,
|
||||
},
|
||||
Spec: networkingv1alpha1.ClusterCIDRSpec{
|
||||
PerNodeHostBits: 8,
|
||||
PerNodeHostBits: perNodeHostBits,
|
||||
IPv4: ipv4CIDR,
|
||||
IPv6: ipv6CIDR,
|
||||
NodeSelector: nodeSelector,
|
||||
@ -236,7 +631,7 @@ func nodeSelector(labels map[string][]string) *v1.NodeSelector {
|
||||
|
||||
func nodePodCIDRs(c clientset.Interface, name string) ([]string, error) {
|
||||
var node *v1.Node
|
||||
nodePollErr := wait.PollImmediate(time.Second, 5*time.Second, func() (bool, error) {
|
||||
nodePollErr := wait.PollImmediate(time.Second, wait.ForeverTestTimeout, func() (bool, error) {
|
||||
var err error
|
||||
node, err = c.CoreV1().Nodes().Get(context.TODO(), name, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user