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Add E2E test for the ACNP copy-span feature
Signed-off-by: Yang Ding <[email protected]>
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2022 Antrea 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 e2e | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "testing" | ||
| "time" | ||
|
|
||
| log "github.com/sirupsen/logrus" | ||
| v1 "k8s.io/api/core/v1" | ||
|
|
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| antreae2e "antrea.io/antrea/test/e2e" | ||
| ) | ||
|
|
||
| const ( | ||
| // Provide enough time for policies to be enforced & deleted by the CNI plugin. | ||
| networkPolicyDelay = 2000 * time.Millisecond | ||
| acnpIsolationResourceExport = "test-acnp-copy-span-ns-isolation.yml" | ||
| acnpName = "antrea-mc-strict-namespace-isolation" | ||
| ) | ||
|
|
||
| var ( | ||
| allPodsPerCluster []antreae2e.Pod | ||
| perNamespacePods, perClusterNamespaces []string | ||
| podsByNamespace map[string][]antreae2e.Pod | ||
| clusterK8sUtilsMap map[string]*antreae2e.KubernetesUtils | ||
| ) | ||
|
|
||
| func failOnError(err error, t *testing.T) { | ||
| if err != nil { | ||
| log.Errorf("%+v", err) | ||
| for _, k8sUtils := range clusterK8sUtilsMap { | ||
| k8sUtils.Cleanup(perClusterNamespaces) | ||
| } | ||
| t.Fatalf("test failed: %v", err) | ||
| } | ||
| } | ||
|
|
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| // initializeForPolicyTest creates three Pods in three test Namespaces for each test cluster. | ||
| func initializeForPolicyTest(t *testing.T, data *MCTestData) { | ||
| perNamespacePods = []string{"a", "b", "c"} | ||
| perClusterNamespaces = []string{"x", "y", "z"} | ||
|
|
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| allPodsPerCluster = []antreae2e.Pod{} | ||
| podsByNamespace = make(map[string][]antreae2e.Pod) | ||
| clusterK8sUtilsMap = make(map[string]*antreae2e.KubernetesUtils) | ||
|
|
||
| for _, podName := range perNamespacePods { | ||
| for _, ns := range perClusterNamespaces { | ||
| allPodsPerCluster = append(allPodsPerCluster, antreae2e.NewPod(ns, podName)) | ||
| podsByNamespace[ns] = append(podsByNamespace[ns], antreae2e.NewPod(ns, podName)) | ||
| } | ||
| } | ||
| for clusterName := range data.clusterTestDataMap { | ||
| d := data.clusterTestDataMap[clusterName] | ||
| k8sUtils, err := antreae2e.NewKubernetesUtils(&d) | ||
| failOnError(err, t) | ||
| _, err = k8sUtils.Bootstrap(perClusterNamespaces, perNamespacePods) | ||
| failOnError(err, t) | ||
| clusterK8sUtilsMap[clusterName] = k8sUtils | ||
| } | ||
| } | ||
|
|
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| // tearDownForPolicyTest deletes the test Namespaces specific for policy tests. | ||
| func tearDownForPolicyTest() { | ||
| for _, k8sUtils := range clusterK8sUtilsMap { | ||
| k8sUtils.Cleanup(perClusterNamespaces) | ||
| } | ||
| } | ||
|
|
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| func testMCAntreaPolicy(t *testing.T, data *MCTestData) { | ||
| data.testAntreaPolicyCopySpanNSIsolation(t) | ||
| } | ||
|
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| // testAntreaPolicyCopySpanNSIsolation tests that after applying a ResourceExport of an ACNP | ||
| // for Namespace isolation, strict Namespace isolation is enforced in each of the member clusters. | ||
| func (data *MCTestData) testAntreaPolicyCopySpanNSIsolation(t *testing.T) { | ||
| setup := func() { | ||
| err := data.deployACNPResourceExport(acnpIsolationResourceExport) | ||
| failOnError(err, t) | ||
| } | ||
| teardown := func() { | ||
| err := data.deleteACNPResourceExport(acnpIsolationResourceExport) | ||
| failOnError(err, t) | ||
| } | ||
| reachability := antreae2e.NewReachability(allPodsPerCluster, antreae2e.Dropped) | ||
| reachability.ExpectAllSelfNamespace(antreae2e.Connected) | ||
| testStep := &antreae2e.TestStep{ | ||
| Name: "Port 80", | ||
| Reachability: reachability, | ||
| Ports: []int32{80}, | ||
| Protocol: v1.ProtocolTCP, | ||
| } | ||
| testCaseList := []*antreae2e.TestCase{ | ||
| { | ||
| Name: "ACNP strict Namespace isolation for all clusters", | ||
| Steps: []*antreae2e.TestStep{testStep}, | ||
| }, | ||
| } | ||
| executeTestsOnAllMemberClusters(t, testCaseList, setup, teardown) | ||
| } | ||
|
|
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| func executeTestsOnAllMemberClusters(t *testing.T, testList []*antreae2e.TestCase, setup, teardown func()) { | ||
| setup() | ||
| time.Sleep(networkPolicyDelay) | ||
| for _, testCase := range testList { | ||
| log.Infof("Running test case %s", testCase.Name) | ||
| for _, step := range testCase.Steps { | ||
| log.Infof("Running step %s of test case %s", step.Name, testCase.Name) | ||
| reachability := step.Reachability | ||
| if reachability != nil { | ||
| for clusterName, k8sUtils := range clusterK8sUtilsMap { | ||
| if clusterName == leaderCluster { | ||
| // skip traffic test for the leader cluster | ||
| continue | ||
| } | ||
| if _, err := k8sUtils.GetACNP(acnpName); err != nil { | ||
| t.Errorf("Failed to get ACNP to be replicated in cluster %s", clusterName) | ||
| } | ||
| start := time.Now() | ||
| k8sUtils.Validate(allPodsPerCluster, reachability, step.Ports, step.Protocol) | ||
| step.Duration = time.Now().Sub(start) | ||
| _, wrong, _ := step.Reachability.Summary() | ||
| if wrong != 0 { | ||
| t.Errorf("Failure in cluster %s -- %d wrong results", clusterName, wrong) | ||
| reachability.PrintSummary(true, true, true) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| teardown() | ||
| } | ||
|
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| func (data *MCTestData) deployACNPResourceExport(reFileName string) error { | ||
| var rc int | ||
| var err error | ||
| log.Infof("Creating ResourceExport %s in the leader cluster", reFileName) | ||
| rc, _, _, err = provider.RunCommandOnNode(leaderCluster, fmt.Sprintf("kubectl apply -f %s", reFileName)) | ||
| if err != nil || rc != 0 { | ||
| return fmt.Errorf("error when deploying the ACNP ResourceExport in leader cluster: %v", err) | ||
| } | ||
| return nil | ||
| } | ||
|
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| func (data *MCTestData) deleteACNPResourceExport(reFileName string) error { | ||
| var rc int | ||
| var err error | ||
| rc, _, _, err = provider.RunCommandOnNode(leaderCluster, fmt.Sprintf("kubectl delete -f %s", reFileName)) | ||
| if err != nil || rc != 0 { | ||
| return fmt.Errorf("error when deleting the ACNP ResourceExport in leader cluster: %v", err) | ||
| } | ||
| return nil | ||
| } |
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24 changes: 24 additions & 0 deletions
24
multicluster/test/yamls/test-acnp-copy-span-ns-isolation.yml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| apiVersion: multicluster.crd.antrea.io/v1alpha1 | ||
| kind: ResourceExport | ||
| metadata: | ||
| name: strict-namespace-isolation-for-test-clusterset | ||
| namespace: antrea-mcs-ns | ||
| spec: | ||
| kind: AntreaClusterNetworkPolicy | ||
| name: strict-namespace-isolation | ||
| clusternetworkpolicy: | ||
| priority: 1 | ||
| tier: securityops | ||
| appliedTo: | ||
| - namespaceSelector: {} | ||
| ingress: | ||
| - action: Pass | ||
| from: | ||
| - namespaces: | ||
| match: Self | ||
| - podSelector: | ||
| matchLabels: | ||
| k8s-app: kube-dns | ||
| - action: Drop | ||
| from: | ||
| - namespaceSelector: {} |
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