Antrea native secondary network feature e2e test framework. #4252

arunvelayutham · 2022-09-27T23:00:54Z

Signed-off-by: Arunkumar Velayutham arunkumar.velayutham@intel.com

codecov · 2022-09-27T23:18:55Z

Codecov Report

Merging #4252 (dd1b668) into main (0be4217) will decrease coverage by 7.18%.
Report is 5 commits behind head on main.
The diff coverage is n/a.

❗ Current head dd1b668 differs from pull request most recent head 4a3462e. Consider uploading reports for the commit 4a3462e to get more accurate results

@@            Coverage Diff             @@
##             main    #4252      +/-   ##
==========================================
- Coverage   74.38%   67.21%   -7.18%     
==========================================
  Files         414      404      -10     
  Lines       62884    60512    -2372     
==========================================
- Hits        46777    40672    -6105     
- Misses      13129    16992    +3863     
+ Partials     2978     2848     -130

Flag	Coverage Δ		*Carryforward flag
e2e-tests	`38.24% <ø> (-0.15%)`	⬇️	Carriedforward from 1c20970
integration-tests	`34.60% <ø> (+1.82%)`	⬆️
kind-e2e-tests	`41.41% <ø> (-5.29%)`	⬇️	Carriedforward from 1c20970
unit-tests	`57.00% <ø> (-9.12%)`	⬇️

*This pull request uses carry forward flags. Click here to find out more.

see 301 files with indirect coverage changes

antoninbas · 2022-09-28T18:43:22Z

test/e2e/secondary_network_test.go

+)
+
+// The function ensureAntreaRunningWithSecondaryNetworkOption ensures that the antrea is enabled and running with sriov and whereabouts secondary network options
+func (data *TestData) ensureAntreaRunningWithSecondaryNetworkOption() error {


IMO this doesn't belong in the test files. The scripts in #4097 already take care (or should take care) of deploying Antrea with the correct options for SecondaryNetwork testing.

Based on our Slack discussion, this is to counteract

antrea/test/e2e/main_test.go

Line 122 in e7486d5

err = ensureAntreaRunning(testData)

from the main function, which overwrites the Antrea deployment.

Which means that:

we have scripts that deploy Antrea with the correct configuration

the deployment is overwritten by ensureAntreaRunning

we have to run ensureAntreaRunningWithSecondaryNetworkOption to go back to the correct depoloyment

That seems wasteful.

I think the best option to move forward is to move these tests to test/e2e-secondary-network/ and let them have their own main function. I still feel that these tests don't really fit well within the main suite of tests, which supports things like code coverage measurement.

antoninbas · 2022-09-28T18:44:19Z

test/e2e/secondary_network_test.go

+
+// The function getSecondaryInterface shows up the secondary interfaces created for the specific pod and extracts the IP address for the same.
+func (data *TestData) getSecondaryInterface(targetPod int, targetInterface int) (string, error) {
+	respCode, output, _, err := data.RunCommandOnNode(controlPlaneNodeName(), fmt.Sprintf("kubectl exec -it %s -n kube-system -- ip addr show %s | grep \"inet\" | awk '{print $2}' | cut -d/ -f1", podData[targetPod].nameOfPods, podData[targetPod].nameOfInterfacePerPod[targetInterface]))


if you need to run a command on a Pod, use RunCommandOnPod. RunCommandOnNode should be avoided as much as possible, as it makes assumptions as to which software is available on each Node.

jianjuns · 2022-10-25T18:55:42Z

The PR includes two commits. Is this one a mistake: "Merge branch 'antrea-io:main' into antrea-secondary-network-test-sep22"?

arunvelayutham · 2022-10-25T23:25:59Z

@jianjuns yes, the 2nd commit was a mistake during rebase and move my local repo to a different workspace. I will get it address. please review the other commit on this PR.

test/e2e-secondary-network/main_test.go

antoninbas · 2022-10-28T19:38:21Z

test/e2e-secondary-network/framework.go

+	e2eTestData        *antreae2e.TestData
+	kubeConfig         *restclient.Config
+	clientset          kubernetes.Interface
+	aggregatorClient   aggregatorclientset.Interface


you don't seem to be using this clientset?

antoninbas · 2022-10-28T19:39:49Z

test/e2e-secondary-network/framework.go

+	busyboxImage = "projects.registry.vmware.com/antrea/busybox"
+)
+
+var SNtestData *SNTestData


I would just rename it to testData / TestData, there is no risk of name collision since this is in its own package

antoninbas · 2022-10-28T19:42:17Z

test/e2e-secondary-network/framework.go

+	return nil
+}
+
+func (data *SNTestData) RunPingCommandFromTestPod(podInfo podInfo, ns string, targetPodIPs *PodIPs, ctrName string, count int, size int) error {


why do we need to redefine these functions?
could you just export the existing function in the other e2e package?

Sorry I missed to update on this comment. runPingCommandFromTestPod at test/e2e was not exported. exporting this would lead to changes all the other test functions which is using it already. If we are good with it, then great. I can goahead and make that change today and update the PR.

took care of these changes couple of weeks back. sorry, missed to follow-up on this PR. Please review when you get sometime.

antoninbas · 2022-10-28T19:42:47Z

test/e2e-secondary-network/secondary_network_test.go

+type PodConfig struct {
+	InterfaceType struct {
+		InterfaceType string `yaml:"interfacetype"`
+	} `yaml:"interface_type"`
+	SriovConf struct {
+		Networkinterface string `yaml:"networkinterface"`
+		Numberofvfs      int    `yaml:"numberofvfs"`
+	} `yaml:"sriov_conf"`
+	VirNet struct {
+		TotalNumberOfVirtualNetworks int      `yaml:"totalnumberofvirtualnetworks"`
+		Virtualnetworknames          []string `yaml:"virtualnetworknames"`
+	} `yaml:"vir_net"`
+	CreatePod struct {
+		Numberofpods int             `yaml:"numberofpods"`
+		Describe     [][]interface{} `yaml:"describe"`
+	} `yaml:"create_pod"`


nit: use camelCase consistently for yaml field names

antoninbas · 2022-10-28T19:44:34Z

test/e2e-secondary-network/secondary_network_test.go

+	if err := data.extractPodsInfo(); err != nil {
+		tb.Errorf("Error in extracting Pods info from secondary_network_configuration.yml : %v", err)
+		return nil, err
+	}
+	// Set log directory for test execution.
+	if err := data.setupLogDirectoryForTest(tb.Name()); err != nil {
+		tb.Errorf("Error creating logs directory '%s': %v", data.logsDirForTestCase, err)
+		return nil, err
+	}


if you return the error, I don't think you should be calling tb.Error

antoninbas · 2022-10-28T19:44:54Z

test/e2e-secondary-network/secondary_network_test.go

+var totalNumberOfPods int
+var interfaceType string
+
+const secondary_network_config_yaml = "../e2e/infra/secondary_network/secondary_network_configuration.yml"


use camelCase for variable names

antoninbas · 2022-10-28T19:45:59Z

test/e2e-secondary-network/secondary_network_test.go

+
+	for podCheckForSubnet := 0; podCheckForSubnet < podData[sourcePod].countOfVirtualNetworksPerPod; podCheckForSubnet++ {
+		if podData[sourcePod].nameOfVirtualNetworkPerPod[podCheckForSubnet] == podData[targetPod].nameOfVirtualNetworkPerPod[targetInterface] {
+			time.Sleep(5 * time.Second)


we don't use sleeps in tests as much as possible as it leads to flaky tests or tests that take longer to run than they should
we typically use wait.Poll

test/e2e-secondary-network/framework.go

test/e2e-secondary-network/secondary_network_test.go

jianjuns · 2022-11-29T00:00:31Z

@arunvelayutham : could you check these two comments from @antoninbas ?

#4252 (comment)

arunvelayutham · 2022-12-01T17:54:37Z

@jianjuns @antoninbas addressed the pending comments as well and updated the PR couple of days back. Please review further.

antoninbas

I see a lot of CI jobs failing

antoninbas · 2022-12-01T22:40:07Z

test/e2e-secondary-network/framework.go

+	"time"
+
+	corev1 "k8s.io/api/core/v1"
+	//restclient "k8s.io/client-go/rest"


remove if no longer needed

antoninbas · 2022-12-01T22:44:31Z

test/e2e-secondary-network/secondary_network_test.go

+	InterfaceType struct {
+		InterfaceType string `yaml:"interfacetype"`
+	} `yaml:"interface_type"`


I don't understand the nesting here for a simple string value

test/e2e-secondary-network/secondary_network_test.go

antoninbas · 2022-12-01T22:45:26Z

test/e2e-secondary-network/secondary_network_test.go

+const secondaryNetworkConfigYaml = "../e2e/infra/secondary_network/secondary_network_configuration.yml"
+const nameSpace = "kube-system"
+const ctrName = "busyboxpod"
+const testPodName = "testsecpod"
+const osType = "linux"
+const count = 5
+const size = 40
+const defaultTimeout = 10 * time.Second
+const reqName = "intel.com/intel_sriov_netdevice"
+const resNum = 3
+const (
+	podName = iota
+	podVNsCount
+	podVirtualNetwork
+	podInterfaceName
+)


group consts as one block?

antoninbas · 2022-12-01T22:47:02Z

test/e2e-secondary-network/secondary_network_test.go

+	} `yaml:"vir_net"`
+	CreatePod struct {
+		NumberOfPods int             `yaml:"numberofpods"`
+		Describe     [][]interface{} `yaml:"describe"`


I don't understand why we use interface{} here instead of a concrete type?

Interface used here to make the extractPodInfo() more readable and easier to process the pod description data from the test input file (specific to secondary network test config).
Please check extractPodsInfo() for the details.

antoninbas · 2022-12-01T22:47:36Z

test/e2e-secondary-network/secondary_network_test.go

+					} else {
+						t.Logf("Error in Ping: Target interface %v of %v Pod not created", podData[targetPod].nameOfInterfacePerPod[targetInterface], podData[targetPod].nameOfPods)
+					}
+


remove empty line

antoninbas · 2022-12-01T22:47:45Z

test/e2e-secondary-network/secondary_network_test.go

+	for _, s := range service.CreatePod.Describe {
+		output := describePodInfo{nameOfPods: s[podName].(string), countOfVirtualNetworksPerPod: s[podVNsCount].(int), nameOfVirtualNetworkPerPod: strings.Split(s[podVirtualNetwork].(string), ","), nameOfInterfacePerPod: strings.Split(s[podInterfaceName].(string), ",")}
+		podData = append(podData, output)
+


remove empty line

jianjuns · 2022-12-07T23:59:59Z

@arunvelayutham : please fix the test errors (could you check the failed tests after an update?):

Error: test/e2e/connectivity_test.go:74:61: undefined: podInfo
Error: test/e2e/connectivity_test.go:95:60: undefined: podInfo
Error: test/e2e/connectivity_test.go:191:98: undefined: podInfo
Error: test/e2e/antreaipam_test.go:254:21: undefined: podInfo
Error: test/e2e/antreaipam_test.go:260:30: undefined: podInfo
Error: test/e2e/antreaipam_test.go:280:17: undefined: podInfo
Error: test/e2e/antreaipam_test.go:344:87: podIPs.ipv4 undefined (type *PodIPs has no field or method ipv4)
Error: test/e2e/antreapolicy_test.go:2319:15: server0IP.ipv4 undefined (type *PodIPs has no field or method ipv4)
Error: test/e2e/antreapolicy_test.go:2325:15: server1IP.ipv4 undefined (type *PodIPs has no field or method ipv4)
Error: test/e2e/antreapolicy_test.go:2335:15: server0IP.ipv6 undefined (type *PodIPs has no field or method ipv6)
Error: test/e2e/antreapolicy_test.go:2335:15: too many errors

arunvelayutham · 2022-12-08T04:48:29Z

@arunvelayutham : please fix the test errors (could you check the failed tests after an update?):

Error: test/e2e/connectivity_test.go:74:61: undefined: podInfo
Error: test/e2e/connectivity_test.go:95:60: undefined: podInfo
Error: test/e2e/connectivity_test.go:191:98: undefined: podInfo
Error: test/e2e/antreaipam_test.go:254:21: undefined: podInfo
Error: test/e2e/antreaipam_test.go:260:30: undefined: podInfo
Error: test/e2e/antreaipam_test.go:280:17: undefined: podInfo
Error: test/e2e/antreaipam_test.go:344:87: podIPs.ipv4 undefined (type *PodIPs has no field or method ipv4)
Error: test/e2e/antreapolicy_test.go:2319:15: server0IP.ipv4 undefined (type *PodIPs has no field or method ipv4)
Error: test/e2e/antreapolicy_test.go:2325:15: server1IP.ipv4 undefined (type *PodIPs has no field or method ipv4)
Error: test/e2e/antreapolicy_test.go:2335:15: server0IP.ipv6 undefined (type *PodIPs has no field or method ipv6)
Error: test/e2e/antreapolicy_test.go:2335:15: too many errors

sorry @jianjuns, today's push was not ready for review. I did push while moving to a different workspace. I will ensure all works before request for review

arunvelayutham · 2022-12-10T04:57:24Z

/test-all

jianjuns · 2023-02-13T22:30:55Z

test/e2e/framework.go

+// PodInfo combines OS info with a Pod name. It is useful when choosing commands and options on Pods of different OS (Windows, Linux).
+type PodInfo struct {
+	Name      string
+	Os        string


Os -> OS

Use upper case for abbreviations.

jianjuns · 2023-02-14T00:19:51Z

test/e2e-secondary-network/framework.go

+package e2e
+
+import (
+	antreae2e "antrea.io/antrea/test/e2e"


We divide imports to sub-groups, like:

import ( "log" "os" "path/filepath" "time" corev1 "k8s.io/api/core/v1" antreae2e "antrea.io/antrea/test/e2e" )

jianjuns · 2023-02-14T00:20:24Z

test/e2e-secondary-network/framework.go

+
+var clusterInfo ClusterInfo
+
+// podWaitForRunning polls the k8s apiserver until the specified Pod is in the "running" state (or


Nit: k8s -> K8s

jianjuns · 2023-02-14T00:31:24Z

test/e2e-secondary-network/framework.go

+
+// podWaitForRunning polls the k8s apiserver until the specified Pod is in the "running" state (or
+// until the provided timeout expires).
+func (data *TestData) podWaitForRunning(timeout time.Duration, name, namespace string) error {


Question - do we really need to wrap these funcs, compared to directly calling data.e2eTestData.Func() in code?

we create few wrappers with references to how a similar scenario was handled at the multicluster test implementation. removed this now and addressed as suggested. Please note: updated code was not tested (just compiled) due to K8s cluster setup issues. I will test the e2e flows once its recovered.

jianjuns · 2023-02-14T00:33:03Z

test/e2e-secondary-network/framework.go

+	return err
+}
+
+func (data *TestData) setupLogDirectoryForTest(testName string) error {


Why we need to re-implement this func, instead of reusing e2eTestData.setupLogDirectoryForTest()?

setupLog**() was not exported at test/e2e. More over, we create few wrappers with references to how a similar scenario was handled at the multicluster test implementation.

Maybe @antoninbas @luolanzone know the background of the MC design.

I am fine to start with the current code anyway.

I think a notable difference with the existing e2e tests is that the e2e-secondary-network tests assume that antrea has already been deployed, with the correct configuration (that's by design). So we cannot reuse setupTest for example.

That being said, I tend to agree with Jianjun about reusing TestOptions and TestData as is.

One thing that is also not clear to me is whether the e2e-secondary-network tests actually export any logs? In Antrea e2e tests, this is handled by

antrea/test/e2e/fixtures.go

Line 277 in f7d70c3

func exportLogs(tb testing.TB, data *TestData, logsSubDir string, writeNodeLogs bool) {

But I don't see any code here that would export logs? I could be missing something.

jianjuns · 2023-02-14T00:44:04Z

test/e2e-secondary-network/secondary_network_test.go

+var interfaceType string
+
+const (
+	secondaryNetworkConfigYaml = "../e2e/infra/secondary_network/secondary_network_configuration.yml"


Nit: secondaryNetworkConfigYaml -> secondaryNetworkConfigYAML

secondary_network_configuration.yml -> secondary-network-configuration.yml

jianjuns · 2023-02-14T00:44:42Z

test/e2e-secondary-network/secondary_network_test.go

+	return data, nil
+}
+
+// extractPodsInfo extracts the Pod and secondary network interface information for the creation of Podsfrom secondary_network_configuration.yaml file


secondary_network_configuration.yml -> secondary-network-configuration.yml

jianjuns · 2023-02-14T00:45:23Z

test/e2e-secondary-network/secondary_network_test.go

+	return nil
+}
+
+// formAnnotationStringOfPod forms the annotation string, used in the generation of each Pod yaml file.


Nit: yaml -> YAML

jianjuns · 2023-02-14T00:45:58Z

test/e2e-secondary-network/secondary_network_test.go

+}
+
+func TestNativeSecondaryNetwork(t *testing.T) {
+	//skipIfHasWindowsNodes(t)


Remove these lines?

jianjuns · 2023-02-14T00:46:16Z

test/e2e-secondary-network/secondary_network_test.go

+	if err != nil {
+		t.Logf("Error when up setupTestWithSecondaryNetworkConfig: %v", err)
+	}
+	//defer teardownSecondaryNetworkTest(t, data)


Uncomment or remove?

github-actions · 2023-05-16T00:03:35Z

This PR is stale because it has been open 90 days with no activity. Remove stale label or comment, or this will be closed in 90 days

github-actions · 2023-09-05T00:03:27Z

This PR is stale because it has been open 90 days with no activity. Remove stale label or comment, or this will be closed in 90 days

arunvelayutham · 2023-10-19T22:19:37Z

/test-all

jianjuns · 2023-10-19T22:59:06Z

@arunvelayutham : there are still unresolved conflicts. For example: https://github.com/antrea-io/antrea/pull/4252/files#diff-324aca6894566ddefcf73b4ec0cd7a70a4555749e4cce64fa56969c5181ad892R623

Signed-off-by: Arunkumar Velayutham <arunkumar.velayutham@intel.com>

arunvelayutham · 2023-11-08T15:30:51Z

/test-all

jianjuns · 2023-11-17T19:19:35Z

/test-ipv6-e2e
/test-all

jianjuns · 2023-11-18T16:59:39Z

/test-ipv6-e2e
/test-all

jianjuns · 2023-11-19T06:49:17Z

/test-ipv6-e2e

jianjuns

Will merge the PR. Let us continue improving the code.

arunvelayutham marked this pull request as draft September 27, 2022 23:01

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e2e framework for Antrea's native secondary network configuration.

3797ee8

Signed-off-by: Arunkumar Velayutham <arunkumar.velayutham@intel.com>

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Merge branch 'main' into antrea-secondary-network-test-sep22

c2bbc14

Fix tailing spaces in flowaggregator_test.go

d9ab087

jianjuns approved these changes Nov 19, 2023

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jianjuns merged commit 91cd3ad into antrea-io:main Nov 19, 2023
46 of 55 checks passed


		var clusterInfo ClusterInfo

		// podWaitForRunning polls the k8s apiserver until the specified Pod is in the "running" state (or

Antrea native secondary network feature e2e test framework. #4252

Antrea native secondary network feature e2e test framework. #4252

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