feat(authz): Add E2E test for kmeshctl authz functionality

Signed-off-by: Ravjot Singh <ravu2004@gmail.com>

Author: ravjot07

test/e2e/kmeshctl_test.go

@@ -0,0 +1,106 @@
+/*
+ * Copyright The Kmesh 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 kmeshctl_test
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+	"time"
+
+	"istio.io/istio/pkg/test/shell"
+)
+
+// TestKmeshctlAuthz verifies the kmeshctl authz (enable/disable/status) against a Kmesh Daemon pod.
+func TestKmeshctlAuthz(t *testing.T) {
+	// 1) Grab the first Kmesh daemon pod from the cluster:
+	podName, err := getFirstKmeshPod()
+	if err != nil {
+		t.Fatalf("could not retrieve a kmesh daemon pod name: %v", err)
+	}
+	t.Logf("Using Kmesh daemon pod: %s", podName)
+
+	// 2) Enable Authz on the Kmesh Daemon Pod
+	t.Run("enable-authz", func(t *testing.T) {
+		cmd := fmt.Sprintf("kmeshctl authz enable %s", podName)
+		out, err := shell.Execute(true, cmd)
+		if err != nil {
+			t.Fatalf("failed to enable authz on pod %q: %v\noutput: %s", podName, err, out)
+		}
+		t.Logf("enable-authz output:\n%s", out)
+	})
+
+	// 3) Check that Authz is enabled
+	t.Run("verify-authz-enabled", func(t *testing.T) {
+		// Wait a moment for Kmesh Daemon to process.
+		time.Sleep(2 * time.Second)
+
+		cmd := fmt.Sprintf("kmeshctl authz status %s", podName)
+		out, err := shell.Execute(true, cmd)
+		if err != nil {
+			t.Fatalf("failed to check authz status: %v\noutput: %s", err, out)
+		}
+		t.Logf("status output:\n%s", out)
+
+		// We assume the status output includes "true" or "enabled" if authz is on.
+		if !strings.Contains(out, "true") && !strings.Contains(strings.ToLower(out), "enabled") {
+			t.Fatalf("expected authz to be enabled, got: %s", out)
+		}
+	})
+
+	// 4) Disable Authz on the Kmesh Daemon Pod
+	t.Run("disable-authz", func(t *testing.T) {
+		cmd := fmt.Sprintf("kmeshctl authz disable %s", podName)
+		out, err := shell.Execute(true, cmd)
+		if err != nil {
+			t.Fatalf("failed to disable authz on pod %q: %v\noutput: %s", podName, err, out)
+		}
+		t.Logf("disable-authz output:\n%s", out)
+	})
+
+	// 5) Check that Authz is disabled
+	t.Run("verify-authz-disabled", func(t *testing.T) {
+		// Wait a moment for Kmesh Daemon to process.
+		time.Sleep(2 * time.Second)
+
+		cmd := fmt.Sprintf("kmeshctl authz status %s", podName)
+		out, err := shell.Execute(true, cmd)
+		if err != nil {
+			t.Fatalf("failed to check authz status: %v\noutput: %s", err, out)
+		}
+		t.Logf("status output:\n%s", out)
+
+		// We assume the status output includes "false" or "disabled" if authz is off.
+		if !strings.Contains(out, "false") && !strings.Contains(strings.ToLower(out), "disabled") {
+			t.Fatalf("expected authz to be disabled, got: %s", out)
+		}
+	})
+}
+
+// getFirstKmeshPod uses kubectl to find the first Kmesh Daemon pod (label app=kmesh) in kmesh-system.
+func getFirstKmeshPod() (string, error) {
+	cmd := `kubectl get pods -n kmesh-system -l app=kmesh -o jsonpath='{.items[0].metadata.name}'`
+	out, err := shell.Execute(true, cmd)
+	if err != nil {
+		return "", fmt.Errorf("error retrieving kmesh daemon pod name: %v", err)
+	}
+	trimmed := strings.TrimSpace(out)
+	if trimmed == "" {
+		return "", fmt.Errorf("no Kmesh daemon pod found in kmesh-system namespace")
+	}
+	return trimmed, nil
+}