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k8s_util.go
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k8s_util.go
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// Copyright 2020 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 (
"context"
"fmt"
"strings"
"sync"
"testing"
"time"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
appsv1 "k8s.io/api/apps/v1"
v1 "k8s.io/api/core/v1"
v1net "k8s.io/api/networking/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/wait"
crdv1alpha1 "antrea.io/antrea/pkg/apis/crd/v1alpha1"
crdv1alpha2 "antrea.io/antrea/pkg/apis/crd/v1alpha2"
crdv1alpha3 "antrea.io/antrea/pkg/apis/crd/v1alpha3"
"antrea.io/antrea/test/e2e/utils"
)
type KubernetesUtils struct {
*TestData
podCache map[string][]v1.Pod
podLock sync.Mutex
}
func NewKubernetesUtils(data *TestData) (*KubernetesUtils, error) {
return &KubernetesUtils{
TestData: data,
podCache: map[string][]v1.Pod{},
}, nil
}
// TestCase is a collection of TestSteps to be tested against.
type TestCase struct {
Name string
Steps []*TestStep
}
// TestStep is a single unit of testing spec. It includes the policy specs that need to be
// applied for this test, the port to test traffic on and the expected Reachability matrix.
type TestStep struct {
Name string
Reachability *Reachability
TestResources []metav1.Object
Ports []int32
Protocol utils.AntreaPolicyProtocol
Duration time.Duration
CustomProbes []*CustomProbe
}
// CustomProbe will spin up (or update) SourcePod and DestPod such that Add event of Pods
// can be tested against expected connectivity among those Pods.
type CustomProbe struct {
// Create or update a source Pod.
SourcePod CustomPod
// Create or update a destination Pod.
DestPod CustomPod
// Port on which the probe will be made.
Port int32
// Set the expected connectivity.
ExpectConnectivity PodConnectivityMark
}
type probeResult struct {
podFrom Pod
podTo Pod
connectivity PodConnectivityMark
err error
}
// GetPodByLabel returns a Pod with the matching Namespace and "pod" label.
func (k *KubernetesUtils) GetPodByLabel(ns string, name string) (*v1.Pod, error) {
pods, err := k.getPodsUncached(ns, "pod", name)
if err != nil || len(pods) == 0 {
return nil, errors.WithMessagef(err, "unable to get Pod in Namespace %s with label pod=%s", ns, name)
}
return &pods[0], nil
}
func (k *KubernetesUtils) getPodsUncached(ns string, key, val string) ([]v1.Pod, error) {
v1PodList, err := k.clientset.CoreV1().Pods(ns).List(context.TODO(), metav1.ListOptions{
LabelSelector: fmt.Sprintf("%v=%v", key, val),
})
if err != nil {
return nil, errors.WithMessage(err, "unable to list pods")
}
return v1PodList.Items, nil
}
// GetPodsByLabel returns an array of all Pods in the given Namespace having a k/v label pair.
func (k *KubernetesUtils) GetPodsByLabel(ns string, key string, val string) ([]v1.Pod, error) {
k.podLock.Lock()
defer k.podLock.Unlock()
if p, ok := k.podCache[fmt.Sprintf("%v_%v_%v", ns, key, val)]; ok {
return p, nil
}
v1PodList, err := k.getPodsUncached(ns, key, val)
if err != nil {
return nil, errors.WithMessage(err, "unable to list pods")
}
k.podCache[fmt.Sprintf("%v_%v_%v", ns, key, val)] = v1PodList
return v1PodList, nil
}
func (k *KubernetesUtils) LabelPod(ns, name, key, value string) (*v1.Pod, error) {
pod, err := k.clientset.CoreV1().Pods(ns).Get(context.TODO(), name, metav1.GetOptions{})
if err != nil {
return nil, err
}
pod.Labels[key] = value
return k.clientset.CoreV1().Pods(ns).Update(context.TODO(), pod, metav1.UpdateOptions{})
}
func (k *KubernetesUtils) probe(
pod *v1.Pod,
podName string,
containerName string,
dstAddr string,
dstName string,
port int32,
protocol utils.AntreaPolicyProtocol,
) PodConnectivityMark {
protocolStr := map[utils.AntreaPolicyProtocol]string{
utils.ProtocolTCP: "tcp",
utils.ProtocolUDP: "udp",
utils.ProtocolSCTP: "sctp",
}
// We try to connect 3 times. This dates back to when we were using the OVS netdev datapath
// for Kind clusters, as the first packet sent on a tunnel was always dropped
// (https://github.com/antrea-io/antrea/issues/467). We may be able to revisit this now that
// we use the OVS kernel datapath for Kind.
cmd := []string{
"/bin/sh",
"-c",
fmt.Sprintf("for i in $(seq 1 3); do /agnhost connect %s:%d --timeout=1s --protocol=%s; done;", dstAddr, port, protocolStr[protocol]),
}
log.Tracef("Running: kubectl exec %s -c %s -n %s -- %s", pod.Name, containerName, pod.Namespace, strings.Join(cmd, " "))
stdout, stderr, err := k.RunCommandFromPod(pod.Namespace, pod.Name, containerName, cmd)
// It needs to check both err and stderr because:
// 1. The probe tried 3 times. If it checks err only, failure+failure+success would be considered connected.
// 2. There might be an issue in Pod exec API that it sometimes doesn't return error when the probe fails. See #2394.
if err != nil || stderr != "" {
// log this error as trace since may be an expected failure
log.Tracef("%s -> %s: error when running command: err - %v /// stdout - %s /// stderr - %s", podName, dstName, err, stdout, stderr)
// If err != nil and stderr == "", then it means this probe failed because of
// the command instead of connectivity. For example, container name doesn't exist.
if stderr == "" {
return Error
}
return DecideProbeResult(stderr, 3)
}
return Connected
}
// DecideProbeResult uses the probe stderr to decide the connectivity.
func DecideProbeResult(stderr string, probeNum int) PodConnectivityMark {
countConnected := probeNum - strings.Count(stderr, "\n")
countDropped := strings.Count(stderr, "TIMEOUT")
// For our UDP rejection cases, agnhost will return:
// For IPv4: 'UNKNOWN: read udp [src]->[dst]: read: no route to host'
// For IPv6: 'UNKNOWN: read udp [src]->[dst]: read: permission denied'
// To avoid incorrect identification, we use 'no route to host' and
// `permission denied`, instead of 'UNKNOWN' as key string.
// For our other protocols rejection cases, agnhost will return 'REFUSED'.
countRejected := strings.Count(stderr, "REFUSED") + strings.Count(stderr, "no route to host") + strings.Count(stderr, "permission denied")
countSCTPInProgress := strings.Count(stderr, "OTHER: operation already in progress")
if countRejected == 0 && countConnected > 0 {
return Connected
}
if countConnected == 0 && countRejected > 0 {
return Rejected
}
if countDropped+countSCTPInProgress == probeNum {
return Dropped
}
return Error
}
func (k *KubernetesUtils) pingProbe(
pod *v1.Pod,
podName string,
containerName string,
dstAddr string,
dstName string,
) PodConnectivityMark {
pingCmd := fmt.Sprintf("ping -4 -c 3 -W 1 %s", dstAddr)
if strings.Contains(dstAddr, ":") {
pingCmd = fmt.Sprintf("ping -6 -c 3 -W 1 %s", dstAddr)
}
cmd := []string{
"/bin/sh",
"-c",
pingCmd,
}
log.Tracef("Running: kubectl exec %s -c %s -n %s -- %s", pod.Name, containerName, pod.Namespace, strings.Join(cmd, " "))
stdout, stderr, err := k.RunCommandFromPod(pod.Namespace, pod.Name, containerName, cmd)
log.Tracef("%s -> %s: error when running command: err - %v /// stdout - %s /// stderr - %s", podName, dstName, err, stdout, stderr)
return decidePingProbeResult(stdout, 3)
}
// decidePingProbeResult uses the pingProbe stdout to decide the connectivity.
func decidePingProbeResult(stdout string, probeNum int) PodConnectivityMark {
// Provide stdout example for different connectivity:
// ================== Connected stdout ==================
// PING 10.10.1.2 (10.10.1.2) 56(84) bytes of data.
// 64 bytes from 10.10.1.2: icmp_seq=1 ttl=64 time=0.695 ms
// 64 bytes from 10.10.1.2: icmp_seq=2 ttl=64 time=0.250 ms
// 64 bytes from 10.10.1.2: icmp_seq=3 ttl=64 time=0.058 ms
//
// --- 10.10.1.2 ping statistics ---
// 3 packets transmitted, 3 received, 0% packet loss, time 2043ms
// rtt min/avg/max/mdev = 0.058/0.334/0.695/0.266 ms
// ======================================================
// =================== Dropped stdout ===================
// PING 10.10.1.2 (10.10.1.2) 56(84) bytes of data.
//
// --- 10.10.1.2 ping statistics ---
// 3 packets transmitted, 0 received, 100% packet loss, time 2037ms
// =======================================================
// =================== Rejected stdout ===================
// PING 10.10.1.2 (10.10.1.2) 56(84) bytes of data.
// From 10.10.1.2 icmp_seq=1 Destination Host Prohibited
// From 10.10.1.2 icmp_seq=2 Destination Host Prohibited
// From 10.10.1.2 icmp_seq=3 Destination Host Prohibited
//
// --- 10.10.1.2 ping statistics ---
// 3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2042ms
// =======================================================
// =================== Rejected ICMPv6 stdout ===================
// PING fd02:0:0:f8::11(fd02:0:0:f8::11) 56 data bytes
// From fd02:0:0:f8::11 icmp_seq=1 Destination unreachable: Administratively prohibited
// From fd02:0:0:f8::11 icmp_seq=2 Destination unreachable: Administratively prohibited
// From fd02:0:0:f8::11 icmp_seq=3 Destination unreachable: Administratively prohibited
//
// --- fd02:0:0:f8::11 ping statistics ---
// 3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2047ms
// =======================================================
countConnected := strings.Count(stdout, "bytes from")
countRejected := strings.Count(stdout, "Prohibited") + strings.Count(stdout, "prohibited")
countDropped := probeNum - strings.Count(stdout, "icmp_seq")
if countRejected == 0 && countConnected > 0 {
return Connected
}
if countConnected == 0 && countRejected > 0 {
return Rejected
}
if countDropped == probeNum {
return Dropped
}
return Error
}
func (k *KubernetesUtils) digDNS(
podName string,
podNamespace string,
dstAddr string,
useTCP bool,
) (string, error) {
pod, err := k.GetPodByLabel(podNamespace, podName)
if err != nil {
return "", fmt.Errorf("Pod %s/%s dones't exist", podNamespace, podName)
}
digCmd := fmt.Sprintf("dig %s", dstAddr)
if useTCP {
digCmd += " +tcp"
}
cmd := []string{
"/bin/sh",
"-c",
digCmd,
}
log.Tracef("Running: kubectl exec %s -c %s -n %s -- %s", pod.Name, pod.Spec.Containers[0].Name, pod.Namespace, strings.Join(cmd, " "))
stdout, stderr, err := k.RunCommandFromPod(pod.Namespace, pod.Name, pod.Spec.Containers[0].Name, cmd)
log.Tracef("%s -> %s: error when running command: err - %v /// stdout - %s /// stderr - %s", podName, dstAddr, err, stdout, stderr)
//========DiG command stdout example========
//; <<>> DiG 9.16.6 <<>> github.com +tcp
//;; global options: +cmd
//;; Got answer:
//;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21816
//;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
//
//;; OPT PSEUDOSECTION:
//; EDNS: version: 0, flags:; udp: 4096
//; COOKIE: 2d7fe493ea37c430 (echoed)
//;; QUESTION SECTION:
//;github.com. IN A
//
//;; ANSWER SECTION:
//github.com. 6 IN A 140.82.113.3
//
//;; Query time: 0 msec
//;; SERVER: 10.96.0.10#53(10.96.0.10)
//;; WHEN: Tue Feb 14 22:34:23 UTC 2023
//;; MSG SIZE rcvd: 77
//==========================================
answerMarkIdx := strings.Index(stdout, ";; ANSWER SECTION:")
if answerMarkIdx == -1 {
return "", fmt.Errorf("failed to parse dig response")
}
splitResp := strings.Split(stdout[answerMarkIdx:], "\n")
if len(splitResp) < 2 {
return "", fmt.Errorf("failed to parse dig response")
}
ipLine := splitResp[1]
lastTab := strings.LastIndex(ipLine, "\t")
if lastTab == -1 {
return "", fmt.Errorf("failed to parse dig response")
}
return ipLine[lastTab:], nil
}
// Probe execs into a Pod and checks its connectivity to another Pod. It assumes
// that the target Pod is serving on the input port, and also that agnhost is
// installed. The connectivity from source Pod to all IPs of the target Pod
// should be consistent. Otherwise, Error PodConnectivityMark will be returned.
func (k *KubernetesUtils) Probe(ns1, pod1, ns2, pod2 string, port int32, protocol utils.AntreaPolicyProtocol,
remoteCluster *KubernetesUtils) (PodConnectivityMark, error) {
fromPods, err := k.GetPodsByLabel(ns1, "pod", pod1)
if err != nil {
return Error, fmt.Errorf("unable to get Pods from Namespace %s: %v", ns1, err)
}
if len(fromPods) == 0 {
return Error, fmt.Errorf("no Pod of label pod=%s in Namespace %s found", pod1, ns1)
}
fromPod := fromPods[0]
var toPods []v1.Pod
var clusterType string
if remoteCluster != nil {
toPods, err = remoteCluster.GetPodsByLabel(ns2, "pod", pod2)
clusterType = "remote"
} else {
toPods, err = k.GetPodsByLabel(ns2, "pod", pod2)
clusterType = "local"
}
if err != nil {
return Error, fmt.Errorf("unable to get Pods from Namespace %s in %s cluster: %v", ns2, clusterType, err)
}
if len(toPods) == 0 {
return Error, fmt.Errorf("no Pod of label pod=%s in Namespace %s found in %s cluster", pod2, ns2, clusterType)
}
toPod := toPods[0]
fromPodName, toPodName := fmt.Sprintf("%s/%s", ns1, pod1), fmt.Sprintf("%s/%s", ns2, pod2)
return k.prodeAndDecideConnectivity(fromPod, toPod, fromPodName, toPodName, port, protocol)
}
func (k *KubernetesUtils) prodeAndDecideConnectivity(fromPod, toPod v1.Pod,
fromPodName, toPodName string, port int32, protocol utils.AntreaPolicyProtocol) (PodConnectivityMark, error) {
// Both IPv4 and IPv6 address should be tested.
connectivity := Unknown
for _, eachIP := range toPod.Status.PodIPs {
toIP := eachIP.IP
// If it's an IPv6 address, add "[]" around it.
if strings.Contains(toIP, ":") {
toIP = fmt.Sprintf("[%s]", toIP)
}
// HACK: inferring container name as c80, c81 etc., for simplicity.
containerName := fmt.Sprintf("c%v", port)
curConnectivity := k.probe(&fromPod, fromPodName, containerName, toIP, toPodName, port, protocol)
if connectivity == Unknown {
connectivity = curConnectivity
} else if connectivity != curConnectivity {
return Error, nil
}
}
return connectivity, nil
}
// ProbeAddr execs into a Pod and checks its connectivity to an arbitrary destination
// address.
func (k *KubernetesUtils) ProbeAddr(ns, podLabelKey, podLabelValue, dstAddr string, port int32, protocol utils.AntreaPolicyProtocol) (PodConnectivityMark, error) {
fromPods, err := k.GetPodsByLabel(ns, podLabelKey, podLabelValue)
if err != nil {
return Error, fmt.Errorf("unable to get Pods from Namespace %s: %v", ns, err)
}
if len(fromPods) == 0 {
return Error, fmt.Errorf("no Pod of label podLabelKey=%s podLabelValue=%s in Namespace %s found", podLabelKey, podLabelValue, ns)
}
fromPod := fromPods[0]
containerName := fromPod.Spec.Containers[0].Name
var connectivity PodConnectivityMark
if protocol == utils.ProtocolICMP {
connectivity = k.pingProbe(&fromPod, fmt.Sprintf("%s/%s", ns, podLabelValue), containerName, dstAddr, dstAddr)
} else {
// If it's an IPv6 address, add "[]" around it.
if strings.Contains(dstAddr, ":") {
dstAddr = fmt.Sprintf("[%s]", dstAddr)
}
connectivity = k.probe(&fromPod, fmt.Sprintf("%s/%s", ns, podLabelValue), containerName, dstAddr, dstAddr, port, protocol)
}
return connectivity, nil
}
// CreateOrUpdateNamespace is a convenience function for idempotent setup of Namespaces
func (data *TestData) CreateOrUpdateNamespace(n string, labels map[string]string) (*v1.Namespace, error) {
ns := &v1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: n,
Labels: labels,
},
}
nsr, err := data.clientset.CoreV1().Namespaces().Create(context.TODO(), ns, metav1.CreateOptions{})
if err == nil {
log.Infof("Created Namespace %s", n)
return nsr, nil
}
log.Debugf("Unable to create Namespace %s, let's try updating it instead (error: %s)", ns.Name, err)
nsr, err = data.clientset.CoreV1().Namespaces().Update(context.TODO(), ns, metav1.UpdateOptions{})
if err != nil {
log.Debugf("Unable to update Namespace %s: %s", ns, err)
}
return nsr, err
}
// CreateOrUpdateDeployment is a convenience function for idempotent setup of deployments
func (data *TestData) CreateOrUpdateDeployment(ns, deploymentName string, replicas int32, labels map[string]string) (*appsv1.Deployment, error) {
zero := int64(0)
log.Infof("Creating/updating Deployment '%s/%s'", ns, deploymentName)
makeContainerSpec := func(port int32, protocol v1.Protocol) v1.Container {
var args []string
switch protocol {
case v1.ProtocolTCP:
args = []string{fmt.Sprintf("/agnhost serve-hostname --tcp --http=false --port=%d", port)}
case v1.ProtocolUDP:
args = []string{fmt.Sprintf("/agnhost serve-hostname --udp --http=false --port=%d", port)}
case v1.ProtocolSCTP:
args = []string{"/agnhost porter"}
default:
args = []string{fmt.Sprintf("/agnhost serve-hostname --udp --http=false --port=%d & /agnhost serve-hostname --tcp --http=false --port=%d & /agnhost porter", port, port)}
}
return v1.Container{
Name: fmt.Sprintf("c%d", port),
ImagePullPolicy: v1.PullIfNotPresent,
Image: agnhostImage,
Env: []v1.EnvVar{{Name: fmt.Sprintf("SERVE_SCTP_PORT_%d", port), Value: "foo"}},
Command: []string{"/bin/bash", "-c"},
Args: args,
SecurityContext: &v1.SecurityContext{},
Ports: []v1.ContainerPort{
{
ContainerPort: port,
Name: fmt.Sprintf("serve-%d", port),
},
},
}
}
deployment := &appsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{
Name: deploymentName,
Labels: labels,
Namespace: ns,
},
Spec: appsv1.DeploymentSpec{
Replicas: &replicas,
Selector: &metav1.LabelSelector{MatchLabels: labels},
Template: v1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: labels,
Namespace: ns,
},
Spec: v1.PodSpec{
TerminationGracePeriodSeconds: &zero,
Containers: []v1.Container{
makeContainerSpec(80, "ALL"),
makeContainerSpec(81, "ALL"),
makeContainerSpec(8080, v1.ProtocolTCP),
makeContainerSpec(8081, v1.ProtocolTCP),
makeContainerSpec(8082, v1.ProtocolTCP),
makeContainerSpec(8083, v1.ProtocolTCP),
makeContainerSpec(8084, v1.ProtocolTCP),
makeContainerSpec(8085, v1.ProtocolTCP),
},
},
},
},
}
d, err := data.clientset.AppsV1().Deployments(ns).Create(context.TODO(), deployment, metav1.CreateOptions{})
if err == nil {
log.Infof("Created deployment '%s/%s'", ns, d.Name)
return d, nil
}
log.Debugf("Unable to create deployment %s in Namespace %s, let's try update instead", deployment.Name, ns)
d, err = data.clientset.AppsV1().Deployments(ns).Update(context.TODO(), deployment, metav1.UpdateOptions{})
if err != nil {
log.Debugf("Unable to update deployment '%s/%s': %s", ns, deployment.Name, err)
}
return d, err
}
// BuildService is a convenience function for building a corev1.Service spec.
func (data *TestData) BuildService(svcName, svcNS string, port, targetPort int, selector map[string]string, serviceType *v1.ServiceType) *v1.Service {
service := &v1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: svcName,
Namespace: svcNS,
},
Spec: v1.ServiceSpec{
Ports: []v1.ServicePort{{
Port: int32(port),
TargetPort: intstr.FromInt(targetPort),
}},
Selector: selector,
},
}
if serviceType != nil {
service.Spec.Type = *serviceType
}
return service
}
// CreateOrUpdateService is a convenience function for updating/creating Services.
func (data *TestData) CreateOrUpdateService(svc *v1.Service) (*v1.Service, error) {
log.Infof("Creating/updating Service %s in ns %s", svc.Name, svc.Namespace)
svcReturned, err := data.clientset.CoreV1().Services(svc.Namespace).Get(context.TODO(), svc.Name, metav1.GetOptions{})
if err != nil {
service, err := data.clientset.CoreV1().Services(svc.Namespace).Create(context.TODO(), svc, metav1.CreateOptions{})
if err != nil {
log.Infof("Unable to create Service %s/%s: %s", svc.Namespace, svc.Name, err)
return nil, err
}
return service, nil
} else if svcReturned.Name != "" {
log.Debugf("Service %s/%s already exists, updating", svc.Namespace, svc.Name)
clusterIP := svcReturned.Spec.ClusterIP
svcReturned.Spec = svc.Spec
svcReturned.Spec.ClusterIP = clusterIP
service, err := data.clientset.CoreV1().Services(svc.Namespace).Update(context.TODO(), svcReturned, metav1.UpdateOptions{})
return service, err
}
return nil, fmt.Errorf("error occurred in creating/updating Service %s", svc.Name)
}
// GetService is a convenience function for getting Service
func (data *TestData) GetService(namespace, name string) (*v1.Service, error) {
return data.clientset.CoreV1().Services(namespace).Get(context.TODO(), name, metav1.GetOptions{})
}
// DeleteService is a convenience function for deleting a Service by Namespace and name.
func (data *TestData) DeleteService(ns, name string) error {
log.Infof("Deleting Service %s in ns %s", name, ns)
err := data.clientset.CoreV1().Services(ns).Delete(context.TODO(), name, metav1.DeleteOptions{})
if err != nil {
return errors.Wrapf(err, "unable to delete Service %s", name)
}
return nil
}
// CleanServices is a convenience function for deleting Services in the cluster.
func (data *TestData) CleanServices(namespaces map[string]string) error {
for _, ns := range namespaces {
l, err := data.clientset.CoreV1().Services(ns).List(context.TODO(), metav1.ListOptions{})
if err != nil {
return errors.Wrapf(err, "unable to list Services in ns %s", ns)
}
for _, svc := range l.Items {
if err := data.DeleteService(svc.Namespace, svc.Name); err != nil {
return err
}
}
}
return nil
}
// BuildServiceAccount is a convenience function for building a corev1.SerivceAccount spec.
func (data *TestData) BuildServiceAccount(name, ns string, labels map[string]string) *v1.ServiceAccount {
serviceAccount := &v1.ServiceAccount{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: ns,
Labels: labels,
},
}
return serviceAccount
}
// CreateOrUpdateServiceAccount is a convenience function for updating/creating ServiceAccount.
func (data *TestData) CreateOrUpdateServiceAccount(sa *v1.ServiceAccount) (*v1.ServiceAccount, error) {
log.Infof("Creating/updating ServiceAccount %s in ns %s", sa.Name, sa.Namespace)
saReturned, err := data.clientset.CoreV1().ServiceAccounts(sa.Namespace).Get(context.TODO(), sa.Name, metav1.GetOptions{})
if err != nil {
serviceAccount, err := data.clientset.CoreV1().ServiceAccounts(sa.Namespace).Create(context.TODO(), sa, metav1.CreateOptions{})
if err != nil {
log.Infof("Unable to create ServiceAccount %s/%s: %s", sa.Namespace, sa.Name, err)
return nil, err
}
return serviceAccount, nil
}
log.Debugf("ServiceAccount %s/%s already exists, updating", sa.Namespace, sa.Name)
saReturned.Labels = sa.Labels
serviceAccount, err := data.clientset.CoreV1().ServiceAccounts(sa.Namespace).Update(context.TODO(), saReturned, metav1.UpdateOptions{})
if err != nil {
log.Infof("Unable to update ServiceAccount %s/%s: %s", sa.Namespace, sa.Name, err)
return nil, err
}
return serviceAccount, nil
}
// DeleteServiceAccount is a convenience function for deleting a ServiceAccount by Namespace and name.
func (data *TestData) DeleteServiceAccount(ns, name string) error {
log.Infof("Deleting ServiceAccount %s in ns %s", name, ns)
err := data.clientset.CoreV1().ServiceAccounts(ns).Delete(context.TODO(), name, metav1.DeleteOptions{})
if err != nil {
return errors.Wrapf(err, "unable to delete ServiceAccount %s in ns %s", name, ns)
}
return nil
}
// CreateOrUpdateNetworkPolicy is a convenience function for updating/creating netpols. Updating is important since
// some tests update a network policy to confirm that mutation works with a CNI.
func (data *TestData) CreateOrUpdateNetworkPolicy(netpol *v1net.NetworkPolicy) (*v1net.NetworkPolicy, error) {
log.Infof("Creating/updating NetworkPolicy '%s/%s'", netpol.Namespace, netpol.Name)
np, err := data.clientset.NetworkingV1().NetworkPolicies(netpol.Namespace).Update(context.TODO(), netpol, metav1.UpdateOptions{})
if err == nil {
return np, err
}
log.Debugf("Unable to update NetworkPolicy '%s/%s', let's try creating it instead (error: %s)", netpol.Namespace, netpol.Name, err)
np, err = data.clientset.NetworkingV1().NetworkPolicies(netpol.Namespace).Create(context.TODO(), netpol, metav1.CreateOptions{})
if err != nil {
log.Debugf("Unable to create network policy: %s", err)
}
return np, err
}
// GetNetworkPolicy is a convenience function for getting k8s NetworkPolicies.
func (data *TestData) GetNetworkPolicy(namespace, name string) (*v1net.NetworkPolicy, error) {
return data.clientset.NetworkingV1().NetworkPolicies(namespace).Get(context.TODO(), name, metav1.GetOptions{})
}
// DeleteNetworkPolicy is a convenience function for deleting NetworkPolicy by name and Namespace.
func (data *TestData) DeleteNetworkPolicy(ns, name string) error {
log.Infof("Deleting NetworkPolicy '%s/%s'", ns, name)
err := data.clientset.NetworkingV1().NetworkPolicies(ns).Delete(context.TODO(), name, metav1.DeleteOptions{})
if err != nil {
return errors.Wrapf(err, "unable to delete NetworkPolicy '%s'", name)
}
return nil
}
// CleanNetworkPolicies is a convenience function for deleting NetworkPolicies in the provided namespaces.
func (data *TestData) CleanNetworkPolicies(namespaces map[string]string) error {
for _, ns := range namespaces {
l, err := data.clientset.NetworkingV1().NetworkPolicies(ns).List(context.TODO(), metav1.ListOptions{})
if err != nil {
return errors.Wrapf(err, "unable to list NetworkPolicy in Namespace '%s'", ns)
}
for _, np := range l.Items {
if err = data.DeleteNetworkPolicy(np.Namespace, np.Name); err != nil {
return err
}
}
}
return nil
}
// CreateTier is a convenience function for creating an Antrea Policy Tier by name and priority.
func (data *TestData) CreateNewTier(name string, tierPriority int32) (*crdv1alpha1.Tier, error) {
log.Infof("Creating tier %s", name)
_, err := data.crdClient.CrdV1alpha1().Tiers().Get(context.TODO(), name, metav1.GetOptions{})
if err != nil {
tr := &crdv1alpha1.Tier{
ObjectMeta: metav1.ObjectMeta{Name: name},
Spec: crdv1alpha1.TierSpec{Priority: tierPriority},
}
tr, err = data.crdClient.CrdV1alpha1().Tiers().Create(context.TODO(), tr, metav1.CreateOptions{})
if err != nil {
log.Debugf("Unable to create tier %s: %s", name, err)
}
return tr, err
}
return nil, fmt.Errorf("tier with name %s already exists", name)
}
// GetTier is a convenience function for getting Tier.
func (data *TestData) GetTier(name string) (*crdv1alpha1.Tier, error) {
return data.crdClient.CrdV1alpha1().Tiers().Get(context.TODO(), name, metav1.GetOptions{})
}
// UpdateTier is a convenience function for updating an Antrea Policy Tier.
func (data *TestData) UpdateTier(tier *crdv1alpha1.Tier) (*crdv1alpha1.Tier, error) {
log.Infof("Updating tier %s", tier.Name)
updatedTier, err := data.crdClient.CrdV1alpha1().Tiers().Update(context.TODO(), tier, metav1.UpdateOptions{})
return updatedTier, err
}
// DeleteTier is a convenience function for deleting an Antrea Policy Tier with specific name.
func (data *TestData) DeleteTier(name string) error {
_, err := data.crdClient.CrdV1alpha1().Tiers().Get(context.TODO(), name, metav1.GetOptions{})
if err != nil {
return errors.Wrapf(err, "unable to get tier %s", name)
}
log.Infof("Deleting tier %s", name)
if err = data.crdClient.CrdV1alpha1().Tiers().Delete(context.TODO(), name, metav1.DeleteOptions{}); err != nil {
return errors.Wrapf(err, "unable to delete tier %s", name)
}
return nil
}
// CreateOrUpdateV1Alpha2CG is a convenience function for idempotent setup of crd/v1alpha2 ClusterGroups
func (data *TestData) CreateOrUpdateV1Alpha2CG(cg *crdv1alpha2.ClusterGroup) (*crdv1alpha2.ClusterGroup, error) {
log.Infof("Creating/updating ClusterGroup %s", cg.Name)
cgReturned, err := data.crdClient.CrdV1alpha2().ClusterGroups().Get(context.TODO(), cg.Name, metav1.GetOptions{})
if err != nil {
cgr, err := data.crdClient.CrdV1alpha2().ClusterGroups().Create(context.TODO(), cg, metav1.CreateOptions{})
if err != nil {
log.Infof("Unable to create cluster group %s: %v", cg.Name, err)
return nil, err
}
return cgr, nil
} else if cgReturned.Name != "" {
log.Debugf("ClusterGroup with name %s already exists, updating", cg.Name)
cgReturned.Spec = cg.Spec
cgr, err := data.crdClient.CrdV1alpha2().ClusterGroups().Update(context.TODO(), cgReturned, metav1.UpdateOptions{})
return cgr, err
}
return nil, fmt.Errorf("error occurred in creating/updating ClusterGroup %s", cg.Name)
}
// CreateOrUpdateV1Alpha3CG is a convenience function for idempotent setup of crd/v1alpha3 ClusterGroups
func (data *TestData) CreateOrUpdateV1Alpha3CG(cg *crdv1alpha3.ClusterGroup) (*crdv1alpha3.ClusterGroup, error) {
log.Infof("Creating/updating ClusterGroup %s", cg.Name)
cgReturned, err := data.crdClient.CrdV1alpha3().ClusterGroups().Get(context.TODO(), cg.Name, metav1.GetOptions{})
if err != nil {
cgr, err := data.crdClient.CrdV1alpha3().ClusterGroups().Create(context.TODO(), cg, metav1.CreateOptions{})
if err != nil {
log.Infof("Unable to create cluster group %s: %v", cg.Name, err)
return nil, err
}
return cgr, nil
} else if cgReturned.Name != "" {
log.Debugf("ClusterGroup with name %s already exists, updating", cg.Name)
cgReturned.Spec = cg.Spec
cgr, err := data.crdClient.CrdV1alpha3().ClusterGroups().Update(context.TODO(), cgReturned, metav1.UpdateOptions{})
return cgr, err
}
return nil, fmt.Errorf("error occurred in creating/updating ClusterGroup %s", cg.Name)
}
func (data *TestData) GetV1Alpha2CG(cgName string) (*crdv1alpha2.ClusterGroup, error) {
return data.crdClient.CrdV1alpha2().ClusterGroups().Get(context.TODO(), cgName, metav1.GetOptions{})
}
// CreateOrUpdateV1Alpha3Group is a convenience function for idempotent setup of crd/v1alpha3 Groups
func (k *KubernetesUtils) CreateOrUpdateV1Alpha3Group(g *crdv1alpha3.Group) (*crdv1alpha3.Group, error) {
log.Infof("Creating/updating Group %s/%s", g.Namespace, g.Name)
gReturned, err := k.crdClient.CrdV1alpha3().Groups(g.Namespace).Get(context.TODO(), g.Name, metav1.GetOptions{})
if err != nil {
gr, err := k.crdClient.CrdV1alpha3().Groups(g.Namespace).Create(context.TODO(), g, metav1.CreateOptions{})
if err != nil {
log.Infof("Unable to create group %s/%s: %v", g.Namespace, g.Name, err)
return nil, err
}
return gr, nil
} else if gReturned.Name != "" {
log.Debugf("Group %s/%s already exists, updating", g.Namespace, g.Name)
gReturned.Spec = g.Spec
gr, err := k.crdClient.CrdV1alpha3().Groups(g.Namespace).Update(context.TODO(), gReturned, metav1.UpdateOptions{})
return gr, err
}
return nil, fmt.Errorf("error occurred in creating/updating Group %s/%s", g.Namespace, g.Name)
}
func (data *TestData) GetV1Alpha3CG(cgName string) (*crdv1alpha3.ClusterGroup, error) {
return data.crdClient.CrdV1alpha3().ClusterGroups().Get(context.TODO(), cgName, metav1.GetOptions{})
}
// CreateCG is a convenience function for creating an Antrea ClusterGroup by name and selector.
func (data *TestData) CreateCG(name string, pSelector, nSelector *metav1.LabelSelector, ipBlocks []crdv1alpha1.IPBlock) (*crdv1alpha3.ClusterGroup, error) {
log.Infof("Creating clustergroup %s", name)
_, err := data.crdClient.CrdV1alpha3().ClusterGroups().Get(context.TODO(), name, metav1.GetOptions{})
if err != nil {
cg := &crdv1alpha3.ClusterGroup{
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
}
if pSelector != nil {
cg.Spec.PodSelector = pSelector
}
if nSelector != nil {
cg.Spec.NamespaceSelector = nSelector
}
if len(ipBlocks) > 0 {
cg.Spec.IPBlocks = ipBlocks
}
cg, err = data.crdClient.CrdV1alpha3().ClusterGroups().Create(context.TODO(), cg, metav1.CreateOptions{})
if err != nil {
log.Debugf("Unable to create clustergroup %s: %s", name, err)
}
return cg, err
}
return nil, fmt.Errorf("clustergroup with name %s already exists", name)
}
// GetCG is a convenience function for getting ClusterGroups
func (k *KubernetesUtils) GetCG(name string) (*crdv1alpha2.ClusterGroup, error) {
res, err := k.crdClient.CrdV1alpha2().ClusterGroups().Get(context.TODO(), name, metav1.GetOptions{})
if err != nil {
return nil, err
}
return res, nil
}
// CreateGroup is a convenience function for creating an Antrea Group by namespace, name and selector.
func (k *KubernetesUtils) CreateGroup(namespace, name string, pSelector, nSelector *metav1.LabelSelector, ipBlocks []crdv1alpha1.IPBlock) (*crdv1alpha3.Group, error) {
log.Infof("Creating group %s/%s", namespace, name)
_, err := k.crdClient.CrdV1alpha3().Groups(namespace).Get(context.TODO(), name, metav1.GetOptions{})
if err != nil {
g := &crdv1alpha3.Group{
ObjectMeta: metav1.ObjectMeta{
Namespace: namespace,
Name: name,
},
}
if pSelector != nil {
g.Spec.PodSelector = pSelector
}
if nSelector != nil {
g.Spec.NamespaceSelector = nSelector
}
if len(ipBlocks) > 0 {
g.Spec.IPBlocks = ipBlocks
}
g, err = k.crdClient.CrdV1alpha3().Groups(namespace).Create(context.TODO(), g, metav1.CreateOptions{})
if err != nil {
log.Debugf("Unable to create group %s/%s: %s", namespace, name, err)
}
return g, err
}
return nil, fmt.Errorf("group with name %s/%s already exists", namespace, name)
}
// GetGroup is a convenience function for getting Groups
func (k *KubernetesUtils) GetGroup(namespace, name string) (*crdv1alpha3.Group, error) {
res, err := k.crdClient.CrdV1alpha3().Groups(namespace).Get(context.TODO(), name, metav1.GetOptions{})
if err != nil {
return nil, err
}
return res, nil
}
// DeleteV1Alpha2CG is a convenience function for deleting crd/v1alpha2 ClusterGroup by name.
func (data *TestData) DeleteV1Alpha2CG(name string) error {
log.Infof("Deleting ClusterGroup %s", name)
err := data.crdClient.CrdV1alpha2().ClusterGroups().Delete(context.TODO(), name, metav1.DeleteOptions{})
if err != nil {
return errors.Wrapf(err, "unable to delete ClusterGroup %s", name)
}
return nil
}
// DeleteV1Alpha3CG is a convenience function for deleting core/v1alpha3 ClusterGroup by name.
func (data *TestData) DeleteV1Alpha3CG(name string) error {
log.Infof("deleting ClusterGroup %s", name)
err := data.crdClient.CrdV1alpha3().ClusterGroups().Delete(context.TODO(), name, metav1.DeleteOptions{})
if err != nil {
return errors.Wrapf(err, "unable to delete ClusterGroup %s", name)
}
return nil
}
// DeleteV1Alpha3Group is a convenience function for deleting core/v1alpha3 Group by namespace and name.
func (k *KubernetesUtils) DeleteV1Alpha3Group(namespace, name string) error {
log.Infof("deleting Group %s/%s", namespace, name)
err := k.crdClient.CrdV1alpha3().Groups(namespace).Delete(context.TODO(), name, metav1.DeleteOptions{})
if err != nil {
return errors.Wrapf(err, "unable to delete Group %s/%s", namespace, name)
}
return nil
}
// CleanCGs is a convenience function for deleting all ClusterGroups in the cluster.
func (data *TestData) CleanCGs() error {
l, err := data.crdClient.CrdV1alpha2().ClusterGroups().List(context.TODO(), metav1.ListOptions{})
if err != nil {
return errors.Wrapf(err, "unable to list ClusterGroups in v1alpha2")
}
for _, cg := range l.Items {
if err := data.DeleteV1Alpha2CG(cg.Name); err != nil {
return err
}
}
l2, err := data.crdClient.CrdV1alpha3().ClusterGroups().List(context.TODO(), metav1.ListOptions{})
if err != nil {
return errors.Wrapf(err, "unable to list ClusterGroups in v1alpha3")
}
for _, cg := range l2.Items {
if err := data.DeleteV1Alpha3CG(cg.Name); err != nil {
return err
}
}
return nil
}
// CleanGroups is a convenience function for deleting all Groups in the namespace.
func (k *KubernetesUtils) CleanGroups(namespace string) error {
l, err := k.crdClient.CrdV1alpha3().Groups(namespace).List(context.TODO(), metav1.ListOptions{})
if err != nil {
return errors.Wrapf(err, "unable to list Groups in v1alpha3")
}
for _, g := range l.Items {
if err := k.DeleteV1Alpha3Group(namespace, g.Name); err != nil {
return err
}
}
return nil
}
// CreateOrUpdateACNP is a convenience function for updating/creating AntreaClusterNetworkPolicies.
func (data *TestData) CreateOrUpdateACNP(cnp *crdv1alpha1.ClusterNetworkPolicy) (*crdv1alpha1.ClusterNetworkPolicy, error) {
log.Infof("Creating/updating ClusterNetworkPolicy %s", cnp.Name)
cnpReturned, err := data.crdClient.CrdV1alpha1().ClusterNetworkPolicies().Get(context.TODO(), cnp.Name, metav1.GetOptions{})
if err != nil {
log.Debugf("Creating ClusterNetworkPolicy %s", cnp.Name)
cnp, err = data.crdClient.CrdV1alpha1().ClusterNetworkPolicies().Create(context.TODO(), cnp, metav1.CreateOptions{})
if err != nil {
log.Debugf("Unable to create ClusterNetworkPolicy: %s", err)
}
return cnp, err
} else if cnpReturned.Name != "" {
log.Debugf("ClusterNetworkPolicy with name %s already exists, updating", cnp.Name)
cnpReturned.Spec = cnp.Spec
cnp, err = data.crdClient.CrdV1alpha1().ClusterNetworkPolicies().Update(context.TODO(), cnpReturned, metav1.UpdateOptions{})
return cnp, err
}
return nil, fmt.Errorf("error occurred in creating/updating ClusterNetworkPolicy %s", cnp.Name)
}
// GetACNP is a convenience function for getting AntreaClusterNetworkPolicies.
func (data *TestData) GetACNP(name string) (*crdv1alpha1.ClusterNetworkPolicy, error) {
res, err := data.crdClient.CrdV1alpha1().ClusterNetworkPolicies().Get(context.TODO(), name, metav1.GetOptions{})
if err != nil {
return nil, err
}
return res, nil
}
// DeleteACNP is a convenience function for deleting ACNP by name.
func (data *TestData) DeleteACNP(name string) error {
log.Infof("Deleting AntreaClusterNetworkPolicies %s", name)
err := data.crdClient.CrdV1alpha1().ClusterNetworkPolicies().Delete(context.TODO(), name, metav1.DeleteOptions{})
if err != nil {
return errors.Wrapf(err, "unable to delete ClusterNetworkPolicy %s", name)
}
return nil
}
// CleanACNPs is a convenience function for deleting all Antrea ClusterNetworkPolicies in the cluster.
func (data *TestData) CleanACNPs() error {
l, err := data.crdClient.CrdV1alpha1().ClusterNetworkPolicies().List(context.TODO(), metav1.ListOptions{})
if err != nil {
return errors.Wrapf(err, "unable to list AntreaClusterNetworkPolicies")
}
for _, cnp := range l.Items {
if err = data.DeleteACNP(cnp.Name); err != nil {
return err
}
}
return nil
}
// CreateOrUpdateANP is a convenience function for updating/creating Antrea NetworkPolicies.
func (data *TestData) CreateOrUpdateANP(anp *crdv1alpha1.NetworkPolicy) (*crdv1alpha1.NetworkPolicy, error) {
log.Infof("Creating/updating Antrea NetworkPolicy %s/%s", anp.Namespace, anp.Name)
cnpReturned, err := data.crdClient.CrdV1alpha1().NetworkPolicies(anp.Namespace).Get(context.TODO(), anp.Name, metav1.GetOptions{})
if err != nil {
log.Debugf("Creating Antrea NetworkPolicy %s", anp.Name)
anp, err = data.crdClient.CrdV1alpha1().NetworkPolicies(anp.Namespace).Create(context.TODO(), anp, metav1.CreateOptions{})