Jenkinsfile

def get_build_info() {
	pr_branch = ''
	if (env.CHANGE_BRANCH != null) {
		pr_branch = " (${env.CHANGE_BRANCH})"
	}
	build_info = "#${env.BUILD_NUMBER} of <${env.BUILD_URL}|${env.JOB_NAME}>${pr_branch}"
	return build_info
}

def slack_send(color, message) {
	/* Slack channel names are limited to 21 characters */
	CHANNEL_MAX_LEN = 21

	channel = "${env.JOB_NAME}".tokenize('/')[0]
	channel = channel.replace('lisk-', 'lisk-ci-')
	if ( channel.size() > CHANNEL_MAX_LEN ) {
		 channel = channel.substring(0, CHANNEL_MAX_LEN)
	}

	echo "[slack_send] channel: ${channel} "
	slackSend color: "${color}", message: "${message}", channel: "${channel}"
}

pipeline {
	agent { node { label 'lisk-explorer' } } 
	environment { 
		LISK_VERSION = '0.9.12a'
		//
		EXPLORER_PORT = "604$EXECUTOR_NUMBER"
		LISK_HOST = 'localhost'
		REDIS_DB = "$EXECUTOR_NUMBER"
		REDIS_HOST = 'localhost'
	}
	stages {
		stage ('Build dependencies') {
			steps {
				sh 'npm install'
			}
		}
		stage ('Run ESLint') {
			steps {
				sh 'npm run eslint'
			}
		}
		stage ('Build bundles') {
			steps {
				sh 'npm run build'
			}
		}
		stage ('Build candles') {
			steps {
				// marketwatcher needs to be enabled to builds candles
				sh '''
				cp test/config.test ./config.js
				grunt candles:build
				'''
			}
		}
		stage ('Start Lisk') {
			steps {
				dir("$WORKSPACE/$BRANCH_NAME/") {
					ansiColor('xterm') {
						sh '''
						rsync -axl --delete ~/lisk-docker/examples/development/ ./
						cp ~/blockchain_explorer.db.gz ./blockchain.db.gz
						make coldstart
						'''
						// show some build-related info
						sh '''
						sha1sum ./blockchain.db.gz
						docker-compose config
						docker-compose ps
						'''
						// temp.
						sh '''
						docker-compose exec -T lisk sed -i -r -e 's/(\\s*"topAccounts":)\\s*false,/\\1 true,/' config.json
						docker-compose restart lisk
						'''
					}
				}
			}
		}
		stage ('Start Explorer') {
			steps {
				sh '''
				cd $WORKSPACE/$BRANCH_NAME
				LISK_PORT=$( docker-compose port lisk 4000 |cut -d ":" -f 2 )
				cd -
				LISK_PORT=$LISK_PORT node app.js -p $EXPLORER_PORT &>/dev/null &
				sleep 20
				'''
			}
		}
		stage ('Run API tests') {
			steps {
				sh '''
				sed -i -r -e "s/6040/$EXPLORER_PORT/" test/node.js
				npm run test
				'''
			}
		}
		stage ('Run E2E tests') {
			steps {
				wrap([$class: 'Xvfb']) {
					sh '''
					npm run e2e -- --params.baseURL http://localhost:$EXPLORER_PORT
					'''
				}
			}
		}
	}
	post {
		success {
			script {
				if (currentBuild.result == null || currentBuild.result == 'SUCCESS') {
					previous_build = currentBuild.getPreviousBuild()
					if (previous_build != null && previous_build.result == 'FAILURE') {
						build_info = get_build_info()
						slack_send('good', "Recovery: build ${build_info} was successful.")
					}
				}
			}
		}
		failure {
			script {
				build_info = get_build_info()
				slack_send('danger', "Build ${build_info} failed (<${env.BUILD_URL}/console|console>, <${env.BUILD_URL}/changes|changes>)\n")
			}
		}
		always {
			dir("$WORKSPACE/$BRANCH_NAME/") {
				ansiColor('xterm') {
					sh 'docker-compose logs || true'
					sh 'make mrproper'
				}
			}
			
			junit 'xunit-report.xml' 
			
			archiveArtifacts artifacts: 'logs/*.log', allowEmptyArchive: true
		}
	}
}