#!/usr/bin/env groovy

/*  Copyright (c) 2019 AT&T Intellectual Property.                             #
#                                                                              #
#   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.                                             #
##############################################################################*/


properties([[$class: 'ParametersDefinitionProperty', parameterDefinitions: [ 
        [$class: 'hudson.model.StringParameterDefinition', name: 'PHASE', defaultValue: "BUILD"],
        [$class: 'hudson.model.StringParameterDefinition', name: 'ENV', defaultValue: "dev"],    
        [$class: 'hudson.model.StringParameterDefinition', name: 'MECHID', defaultValue: "id"],                  
        [$class: 'hudson.model.StringParameterDefinition', name: 'KUBE_CONFIG', defaultValue: "kubeConfig-dev"],      
        [$class: 'hudson.model.StringParameterDefinition', name: 'TILLER_NAMESPACE', defaultValue: "org-onap-otf"]     
]]]) 


echo "Build branch: ${env.BRANCH_NAME}"

node("docker"){
	stage 'Checkout'
	checkout scm
	PHASES=PHASE.tokenize( '_' );
	echo "PHASES : " + PHASES
	ARTIFACT_ID="otf-aaf-credential-generator"
	echo "Tiller Namespace: " + TILLER_NAMESPACE

	withEnv(["PATH=${env.PATH}:${tool 'jdk180'}:${env.WORKSPACE}/linux-amd64", "JAVA_HOME=${tool 'jdk180'}","HELM_HOME=${env.WORKSPACE}"]) { 
			
		echo "PATH=${env.PATH}"
		echo "JAVA_HOME=${env.JAVA_HOME}"
		echo "HELM_HOME=${env.HELM_HOME}"

		wrap([$class: 'ConfigFileBuildWrapper', managedFiles: [
			[fileId: 'maven-settings.xml', variable: 'MAVEN_SETTINGS']
			]]) {

			if (PHASES.contains("DEPLOY") || PHASES.contains("UNDEPLOY")) { 
				stage 'Init Helm'

				//check if helm exists if not install
				if(fileExists('linux-amd64/helm')){
					sh """
						echo "helm is already installed"
					"""
				}
				else{
				//download helm
					sh """
						echo "installing helm"
						wget  https://storage.googleapis.com/kubernetes-helm/helm-v2.8.2-linux-amd64.tar.gz
						tar -xf helm-v2.8.2-linux-amd64.tar.gz
						rm helm-v2.8.2-linux-amd64.tar.gz
					"""
				}

				withCredentials([file(credentialsId: KUBE_CONFIG, variable: 'KUBECONFIG')]) {

					dir('helm'){
				    	//check if charts are valid, and then perform dry run, if successful then upgrade/install charts

      					if (PHASES.contains("UNDEPLOY") ) {
							stage 'Undeploy'
 
      						sh """
      							helm delete --tiller-namespace=$TILLER_NAMESPACE --purge $ARTIFACT_ID
      						"""
      					}

				    	//NOTE Double quotes are used below to access groovy variables like artifact_id and tiller_namespace
	    	          	if (PHASES.contains("DEPLOY") ){
	    	          		stage 'Deploy'
								withCredentials([usernamePassword(credentialsId: MECHID, usernameVariable: 'USERNAME', passwordVariable: 'PASSWORD')]) {

									//Note: KEYFILE_PATH must be within helm/$ARTIFACT_ID and must be relative path starting from that directory
									sh """

										echo "Remove old key info"
										rm -rf keyfile;
										rm -rf digest.txt
										rm -rf $ARTIFACT_ID/keyfile

										ls
										echo "Create keyfile and digest"
										java -jar ../aaf_cadi_core_2.1.10_SNAPSHOT.jar keygen keyfile
										java -jar ../aaf_cadi_core_2.1.10_SNAPSHOT.jar digest $PASSWORD keyfile > digest.txt 2>&1
										
										cp keyfile $ARTIFACT_ID
										KEYFILE_PATH=keyfile
										DIGEST="enc:"
										DIGEST+=\$(cat digest.txt)
										echo \$DIGEST
										echo "Validate Yaml"
										helm lint $ARTIFACT_ID

										echo "View Helm Templates"
										helm template $ARTIFACT_ID --set Secret.aafId=$USERNAME --set Secret.aafPassword=\$DIGEST --set Secret.aafMechPassword=$PASSWORD --set keyfilePath=\$KEYFILE_PATH

										echo "Perform Dry Run Of Install"
										helm upgrade --tiller-namespace=$TILLER_NAMESPACE --install --dry-run $ARTIFACT_ID $ARTIFACT_ID --set Secret.aafId=$USERNAME --set Secret.aafPassword=\$DIGEST --set Secret.aafMechPassword=$PASSWORD --set keyfilePath=\$KEYFILE_PATH

										echo "Helm Install/Upgrade"
						    			helm upgrade --tiller-namespace=$TILLER_NAMESPACE --install $ARTIFACT_ID $ARTIFACT_ID --set Secret.aafId=$USERNAME --set Secret.aafPassword=\$DIGEST --set Secret.aafMechPassword=$PASSWORD --set keyfilePath=\$KEYFILE_PATH

						    			rm -rf $ARTIFACT_ID/keyfile
										rm -rf keyfile
										rm -rf digest.txt
									"""
								}
	    	          	}

					}
				}
          	} 
		}
	}
}