tests: add test for cron job support

Add simple test for cron job support

Signed-off-by: Saul Paredes <saulparedes@microsoft.com>

tests/integration/kubernetes/k8s-cron-job.bats

@@ -0,0 +1,59 @@
+#!/usr/bin/env bats
+#
+# Copyright (c) 2019 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+load "${BATS_TEST_DIRNAME}/../../common.bash"
+load "${BATS_TEST_DIRNAME}/tests_common.sh"
+
+setup() {
+	get_pod_config_dir
+	job_name="cron-job-pi-test"
+	yaml_file="${pod_config_dir}/cron-job.yaml"
+
+	policy_settings_dir="$(create_tmp_policy_settings_dir "${pod_config_dir}")"
+	add_requests_to_policy_settings "${policy_settings_dir}" "ReadStreamRequest"
+	auto_generate_policy "${policy_settings_dir}" "${yaml_file}"
+}
+
+@test "Run a cron job to completion" {
+	# Create cron job
+	kubectl apply -f "${yaml_file}"
+
+	# Verify job
+	waitForProcess "$wait_time" "$sleep_time" "kubectl describe cronjobs.batch $job_name | grep SuccessfulCreate"
+
+	# List pods that belong to the cron-job
+	pod_name=$(kubectl get pods --no-headers -o custom-columns=":metadata.name" | grep '^cron-job-pi-test' | head -n 1)
+
+	# Verify that the job is completed
+	cmd="kubectl get pods -o jsonpath='{.items[*].status.phase}' | grep Succeeded"
+	waitForProcess "$wait_time" "$sleep_time" "$cmd"
+
+	# Verify the output of the pod
+	pi_number="3.14"
+	kubectl logs "$pod_name" | grep "$pi_number"
+}
+
+teardown() {
+	# Debugging information
+	kubectl describe pod "$pod_name"
+	kubectl describe cronjobs.batch/"$job_name"
+
+	# Clean-up
+
+	kubectl delete cronjobs.batch/"$job_name"
+	# Verify that the job is not running
+	run kubectl get cronjobs.batch
+	echo "$output"
+	[[ "$output" =~ "No resources found" ]]
+
+    # Verify that pod is not running
+	run kubectl get pods
+	echo "$output"
+	[[ "$output" =~ "No resources found" ]]
+
+	delete_tmp_policy_settings_dir "${policy_settings_dir}"
+}

tests/integration/kubernetes/run_kubernetes_tests.sh

@@ -37,6 +37,7 @@ else
 		"k8s-copy-file.bats" \
 		"k8s-cpu-ns.bats" \
 		"k8s-credentials-secrets.bats" \
+		"k8s-cron-job.bats" \
 		"k8s-custom-dns.bats" \
 		"k8s-empty-dirs.bats" \
 		"k8s-env.bats" \

tests/integration/kubernetes/runtimeclass_workloads/cron-job.yaml

@@ -0,0 +1,15 @@
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: cron-job-pi-test
+spec:
+  schedule: "* * * * *"
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          containers:
+          - name: pi
+            image: quay.io/prometheus/busybox:latest
+            command: ["/bin/sh", "-c", "echo 'scale=5; 4*a(1)' | bc -l"]
+          restartPolicy: OnFailure

tests/integration/kubernetes/setup.sh

@@ -77,6 +77,13 @@ add_annotations_to_yaml() {
 		  "${K8S_TEST_YAML}"
 		;;
 
+	CronJob)
+		info "Adding \"${annotation_name}=${annotation_value}\" to ${resource_kind} from ${yaml_file}"
+		yq -i \
+		  ".spec.jobTemplate.spec.template.metadata.annotations.\"${annotation_name}\" = \"${annotation_value}\"" \
+		  "${K8S_TEST_YAML}"
+		;;
+
 	List)
 		info "Issue #7765: adding annotations to ${resource_kind} from ${yaml_file} is not implemented yet"
 		;;