tests: query data from the OPA service

Add example for querying json data from the OPA service.

Fixes: #8231

Signed-off-by: Dan Mihai <dmihai@microsoft.com>

tests/integration/kubernetes/runtimeclass_workloads/k8s-policy-set-keys.rego

@@ -0,0 +1,49 @@
+package agent_policy
+
+default AddARPNeighborsRequest := true
+default AddSwapRequest := true
+default CloseStdinRequest := true
+default CopyFileRequest := true
+default CreateContainerRequest := true
+default CreateSandboxRequest := true
+default DestroySandboxRequest := true
+default ExecProcessRequest := true
+default GetMetricsRequest := true
+default GetOOMEventRequest := true
+default GuestDetailsRequest := true
+default ListInterfacesRequest := true
+default ListRoutesRequest := true
+default MemHotplugByProbeRequest := true
+default OnlineCPUMemRequest := true
+default PauseContainerRequest := true
+default PullImageRequest := true
+default ReadStreamRequest := true
+default RemoveContainerRequest := true
+default RemoveStaleVirtiofsShareMountsRequest := true
+default ReseedRandomDevRequest := true
+default ResumeContainerRequest := true
+default SetGuestDateTimeRequest := true
+default SetPolicyRequest := true
+default SignalProcessRequest := true
+default StartContainerRequest := true
+default StartTracingRequest := true
+default StatsContainerRequest := true
+default StopTracingRequest := true
+default TtyWinResizeRequest := true
+default UpdateContainerRequest := true
+default UpdateEphemeralMountsRequest := true
+default UpdateInterfaceRequest := true
+default UpdateRoutesRequest := true
+default WaitProcessRequest := true
+default WriteStreamRequest := true
+
+my_test_data := {
+    "default": {
+        "key": {
+            "ssh-demo": "HUlOu8NWz8si11OZUzUJMnjiq/iZyHBJZMSD3BaqgMc=",
+            "enabled": false
+        }
+    },
+    "key1": ["abc", "9876", "xyz"],
+    "key2": 45
+}

tests/integration/kubernetes/runtimeclass_workloads/k8s-policy-set-keys.yaml

@@ -0,0 +1,22 @@
+#
+# Copyright (c) 2018 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+apiVersion: v1
+kind: Pod
+metadata:
+  name: set-keys-test
+spec:
+  terminationGracePeriodSeconds: 0
+  shareProcessNamespace: true
+  runtimeClassName: kata
+  containers:
+    - name: first-test-container
+      image: quay.io/prometheus/busybox:latest
+      env:
+        - name: CONTAINER_NAME
+          value: "first-test-container"
+      command:
+        - sleep
+        - "30"