Add helm charts for policy CSIT

Added script run-k8s-csit.sh to spin and delete kubernetes cluster in Microk8s.
Added helm charts for mariadb, k8s-participant, runtime-acm and dmaap-simulator.

Issue-ID: POLICY-4457
Signed-off-by: zrrmmua <ramesh.murugan.iyer@est.tech>
Change-Id: I456cb7f291d116dbd5b68a067171214a0e08fb37
diff --git a/csit/run-k8s-csit.sh b/csit/run-k8s-csit.sh
new file mode 100755
index 0000000..63df5dc
--- /dev/null
+++ b/csit/run-k8s-csit.sh
@@ -0,0 +1,71 @@
+#!/bin/bash
+#
+# ============LICENSE_START====================================================
+#  Copyright (C) 2022 Nordix Foundation.
+# =============================================================================
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+# ============LICENSE_END======================================================
+
+# This script spins up kubernetes cluster in Microk8s for deploying policy helm charts.
+
+function spin_microk8s_cluster () {
+    echo "Verify if Microk8s cluster is running.."
+    microk8s version
+    exitcode="${?}"
+
+    if [ "$exitcode" -ne 0 ];  then
+        echo "Microk8s cluster not available, Spinning up the cluster.."
+        sudo snap install microk8s --classic --channel=1.25/stable
+
+	      if [ "${?}" -ne 0 ];  then
+	          echo "Failed to install kubernetes cluster. Aborting.."
+		        return 1
+        fi
+        echo "Microk8s cluster installed successfully"
+        sudo usermod -a -G microk8s $USER
+        echo "Enabling DNS and helm3"
+        microk8s.enable dns helm3
+        echo "Creating configuration file for Microk8s"
+        microk8s kubectl config view --raw > $HOME/.kube/config
+        chmod 600 $HOME/.kube/config
+        echo "K8s installation completed"
+    else
+        echo "K8s cluster is already running"
+	      return 0
+    fi
+
+}
+
+function teardown_cluster () {
+    echo "Removing k8s cluster and k8s configuration file"
+    sudo snap remove microk8s;rm -rf $HOME/.kube/config
+    echo "K8s Cluster removed"
+}
+
+
+if [ $1 == "install" ];  then
+    spin_microk8s_cluster
+    if [ "${?}" -eq 0 ];  then
+        echo "Installing policy helm charts in the default namespace"
+        cd ../helm/;helm dependency build policy;microk8s helm install dev-policy policy;
+        echo "Policy chart installation completed"
+    fi
+
+elif [ $1 == "uninstall" ];  then
+    teardown_cluster
+else
+    echo "Invalid arguments provided. Usage: $0 [option..] {install | uninstall}"
+fi
+