#!/bin/bash
################################################################################
#   Copyright (c) 2019 AT&T Intellectual Property.                             #
#   Copyright (c) 2019 Nokia.                                                  #
#                                                                              #
#   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.                                             #
################################################################################

COMPONENTS="xapp-onboarder appmgr rtmgr e2mgr e2term a1mediator submgr vespamgr jaegeradapter dbaas infrastructure o1mediator alarmmanager"
RECIPE_NAMESPACE=$(kubectl get cm --all-namespaces | grep ricplt-recipe | awk '{print $1}')
kubectl get configmap  -n $RECIPE_NAMESPACE ricplt-recipe  -o jsonpath='{.data.recipe}' > /tmp/recipe.yaml

if [ ! -s /tmp/recipe.yaml ]; then
    echo "RICPLT recipe is not found. Are you sure the ric platform is deployed successfully?"
    exit 0
fi

COMMON_BLOCK=$(cat /tmp/recipe.yaml | awk '/^common:/{getline; while ($0 ~ /^ +.*|^ *$/) {print $0; if (getline == 0) {break}}}')
NAMESPACE_BLOCK=$(cat /tmp/recipe.yaml | awk '/^  namespace:/{getline; while ($0 ~ /^    .*|^ *$/) {print $0; if (getline == 0) {break}}}')
PLTNAMESPACE=$(echo "$NAMESPACE_BLOCK" | awk '/^ *platform:/{print $2}')
INFRANAMESPACE=$(echo "$NAMESPACE_BLOCK" | awk '/^ *infra:/{print $2}')
XAPPNAMESPACE=$(echo "$NAMESPACE_BLOCK" | awk '/^ *xapp:/{print $2}')
RELEASE_PREFIX=$(echo "$COMMON_BLOCK" | awk '/^ *releasePrefix:/{print $2}')

IS_HELM3=$(helm version --short|grep -e "^v3")

echo "Undeploying RIC platform components [$COMPONENTS]"


HELM_FLAG=''
if [ $IS_HELM3 ]
then 
  HELM_FLAG=' -n '${PLTNAMESPACE:-ricplt}
else
  HELM_FLAG='--purge'
fi


for component in $COMPONENTS; do
    helm delete $HELM_FLAG ${RELEASE_PREFIX}-$component
done

kubectl delete cm -n ${PLTNAMESPACE:-ricplt} ricplt-recipe

kubectl delete ns ${XAPPNAMESPACE:-ricxapp}
kubectl delete ns ${INFRANAMESPACE:-ricinfra}
kubectl delete ns ${PLTNAMESPACE:-ricplt}