adds exec and logs to join e2e test

go.mod

@@ -32,6 +32,12 @@ require (
 	sigs.k8s.io/controller-runtime v0.17.0
 )
 
+require (
+	github.com/gorilla/websocket v1.5.0 // indirect
+	github.com/moby/spdystream v0.2.0 // indirect
+	github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect
+)
+
 require (
 	dario.cat/mergo v1.0.1 // direct
 	github.com/Microsoft/go-winio v0.6.1 // indirect

go.sum

@@ -2,6 +2,8 @@ dario.cat/mergo v1.0.1 h1:Ra4+bf83h2ztPIQYNP99R6m+Y7KfnARDfID+a+vLl4s=
 dario.cat/mergo v1.0.1/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
 github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
 github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio=
+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
 github.com/aws/aws-sdk-go v1.55.5 h1:KKUZBfBoyqy5d3swXyiC7Q76ic40rYcbqH7qjh59kzU=
 github.com/aws/aws-sdk-go v1.55.5/go.mod h1:eRwEWoyTWFMVYVQzKMNHWP5/RV4xIUGMQfXQHfHkpNU=
 github.com/aws/aws-sdk-go-v2 v1.32.4 h1:S13INUiTxgrPueTmrm5DZ+MiAo99zYzHEFh1UNkOxNE=
@@ -98,6 +100,9 @@ github.com/google/pprof v0.0.0-20240618054019-d3b898a103f8 h1:ASJ/LAqdCHOyMYI+dw
 github.com/google/pprof v0.0.0-20240618054019-d3b898a103f8/go.mod h1:K1liHPHnj73Fdn/EKuT8nrFqBihUSKXoLYU0BuatOYo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
+github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/imdario/mergo v0.3.6 h1:xTNEAn+kxVO7dTZGu0CegyqKZmoWFI0rF8UxjlB2d28=
 github.com/imdario/mergo v0.3.6/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
@@ -125,13 +130,17 @@ github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0
 github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
 github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 h1:jWpvCLoY8Z/e3VKvlsiIGKtc+UG6U5vzxaoagmhXfyg=
 github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0/go.mod h1:QUyp042oQthUoa9bqDv0ER0wrtXnBruoNd7aNjkbP+k=
+github.com/moby/spdystream v0.2.0 h1:cjW1zVyyoiM0T7b6UoySUFqzXMoqRckQtXwGPiBhOM8=
+github.com/moby/spdystream v0.2.0/go.mod h1:f7i0iNDQJ059oMTcWxx8MA/zKFIuD/lY+0GqbN2Wy8c=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
+github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f h1:y5//uYreIhSUg3J1GEMiLbxo1LJaP8RfCpH6pymGZus=
+github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+o7JKHSa8/e818NopupXU1YMK5fe1lsApnBw=
 github.com/onsi/ginkgo/v2 v2.19.0 h1:9Cnnf7UHo57Hy3k6/m5k3dRfGTMXGvxhHFvkDTCTpvA=
 github.com/onsi/ginkgo/v2 v2.19.0/go.mod h1:rlwLi9PilAFJ8jCg9UE1QP6VBpd6/xj3SRC0d6TU0To=
 github.com/onsi/gomega v1.33.1 h1:dsYjIxxSR755MDmKVsaFQTE22ChNBcuuTWgkUDSubOk=

test/e2e/kubernetes/kubernetes.go

@@ -1,17 +1,23 @@
 package kubernetes
 
 import (
+	"bytes"
 	"context"
 	"fmt"
+	"io"
 	"time"
 
 	"github.com/go-logr/logr"
 	corev1 "k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/errors"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/util/wait"
 	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/kubernetes/scheme"
+	restclient "k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/remotecommand"
 )
 
 const (
@@ -251,3 +257,48 @@ func EnsureNodeWithIPIsDeleted(ctx context.Context, k8s *kubernetes.Clientset, i
 	}
 	return nil
 }
+
+func GetPodLogs(ctx context.Context, k8s *kubernetes.Clientset, name, namespace string) (string, error) {
+	req := k8s.CoreV1().Pods(namespace).GetLogs(name, &corev1.PodLogOptions{})
+	podLogs, err := req.Stream(ctx)
+	if err != nil {
+		return "", fmt.Errorf("opening log stream: %w", err)
+	}
+	defer podLogs.Close()
+
+	buf := new(bytes.Buffer)
+	if _, err = io.Copy(buf, podLogs); err != nil {
+		return "", fmt.Errorf("getting logs from stream: %w", err)
+	}
+
+	return buf.String(), nil
+}
+
+func ExecPod(ctx context.Context, config *restclient.Config, k8s *kubernetes.Clientset, name, namespace string, cmd ...string) (string, string, error) {
+	req := k8s.CoreV1().RESTClient().Post().Resource("pods").Name(name).Namespace(namespace).SubResource("exec")
+	req.VersionedParams(
+		&v1.PodExecOptions{
+			Command: cmd,
+			Stdin:   false,
+			Stdout:  true,
+			Stderr:  true,
+			TTY:     true,
+		},
+		scheme.ParameterCodec,
+	)
+	exec, err := remotecommand.NewSPDYExecutor(config, "POST", req.URL())
+	if err != nil {
+		return "", "", err
+	}
+	var stdout, stderr bytes.Buffer
+	err = exec.StreamWithContext(ctx, remotecommand.StreamOptions{
+		Stdin:  nil,
+		Stdout: &stdout,
+		Stderr: &stderr,
+	})
+	if err != nil {
+		return "", "", err
+	}
+
+	return stdout.String(), stderr.String(), nil
+}

test/e2e/suite/nodeadm_test.go

@@ -8,6 +8,7 @@ import (
 	"flag"
 	"fmt"
 	"os"
+	"strings"
 	"testing"
 	"time"
 
@@ -316,6 +317,7 @@ var _ = Describe("Hybrid Nodes", func() {
 							})
 
 							joinNodeTest := joinNodeTest{
+								clientConfig:  test.k8sClientConfig,
 								k8s:           test.k8sClient,
 								nodeIPAddress: instance.IP,
 								logger:        test.logger,
@@ -355,6 +357,7 @@ var _ = Describe("Hybrid Nodes", func() {
 })
 
 type joinNodeTest struct {
+	clientConfig  *restclient.Config
 	k8s           *clientgo.Clientset
 	nodeIPAddress string
 	logger        logr.Logger
@@ -384,6 +387,29 @@ func (t joinNodeTest) Run(ctx context.Context) error {
 	}
 	t.logger.Info(fmt.Sprintf("Pod %s created and running on node %s", podName, nodeName))
 
+	t.logger.Info("Exec-ing nginx -version", "pod", podName)
+	stdout, stderr, err := kubernetes.ExecPod(ctx, t.clientConfig, t.k8s, podName, podNamespace, "/sbin/nginx", "-version")
+	if err != nil {
+		return err
+	}
+	if !strings.Contains(stdout, "nginx") {
+		return fmt.Errorf("pod exec stdout does not contain expected value %s: %s", stdout, "nginx")
+	}
+	if stderr != "" {
+		return fmt.Errorf("pod exec stderr should be empty %s", stderr)
+	}
+	t.logger.Info("Successfully exec'd nginx -version", "pod", podName)
+
+	t.logger.Info("Checking logs for nginx output", "pod", podName)
+	logs, err := kubernetes.GetPodLogs(ctx, t.k8s, podName, podNamespace)
+	if err != nil {
+		return err
+	}
+	if !strings.Contains(logs, "nginx") {
+		return fmt.Errorf("pod log does not contain expected value %s: %s", logs, "nginx")
+	}
+	t.logger.Info("Successfully validated log output", "pod", podName)
+
 	t.logger.Info("Deleting test pod", "pod", podName)
 	if err = kubernetes.DeletePod(ctx, t.k8s, podName, podNamespace); err != nil {
 		return err
@@ -495,6 +521,7 @@ func buildPeeredVPCTestForSuite(ctx context.Context, suite *suiteConfiguration)
 	if err != nil {
 		return nil, err
 	}
+	test.k8sClientConfig = clientConfig
 	test.k8sClient, err = clientgo.NewForConfig(clientConfig)
 	if err != nil {
 		return nil, err