node ("swarm") {
	stage("Clear Work Space") {
		try {
			deleteDir()
		} catch(err) {
			throw err
		}
	}

    withEnv([
		"git_url=https://git.sdsys.ru/iru/promo.git",
        "jenkins_ssh_key=/run/secrets/provision-ssh-key",
        "docker_image=promo",
        "service_name=info_promo",
        "docker_registry=dev-registry.infoclinica.ru:5000",
		"cluster_name=dev-iru-swarm",
		"domain_name=infoclinica.lan",
		"mailfrom=jenkins.dev@sdsys.ru",
		"mailto=tomishinets.v@sdsys.ru",
		"swarm_git_mail=jenkins.dev@sdsys.ru",
        "swarm_git_user=provision",
		"swarm_git_url=ssh://git@git.sdsys.ru:8022/iru/stack-deploy.git",
		
    ]) {
		stage("Pull") {
			try {
				git url: "${git_url}"
			} catch(err) {
				currentBuild.result = "FAILURE"
                String error = "${err}";
				mail charset: 'UTF-8',
					from: "${mailfrom}",
					mimeType: 'text/html',
					subject: "Ошибка Jenkins CI/CD: Имя проекта -> ${env.JOB_NAME}",
					to: "${mailto}",
					body: "<b>Внимание!!!</b> <b><br>\n\nСообщение об ошибке:</b> ${error}  Pull promo failed\n\n <b><br>Project Name:</b> ${env.JOB_NAME} <b><br>\nBuild Number:</b> ${env.BUILD_NUMBER} <b><br>\nStage Name:</b> Pull <b><br>\nURL Build:</b> ${env.BUILD_URL}"
                deleteDir()
                throw err
			}
		}
        stage("Build") {
            try {
                sh ('''docker build -t ${docker_registry}/${docker_image}:${BUILD_NUMBER} ${WORKSPACE}/
				if [ $? -eq 1 ]; then echo "Can not build a  ${docker_registry}/${docker_image}:${BUILD_NUMBER}"; exit 1; fi
				''')
            } catch(err) {
				currentBuild.result = "FAILURE"
                String error = "${err}";
				mail charset: 'UTF-8',
					from: "${mailfrom}",
					mimeType: 'text/html',
					subject: "Ошибка Jenkins CI/CD: Имя проекта -> ${env.JOB_NAME}",
					to: "${mailto}",
					body: "<b>Внимание!!!</b> <b><br>\n\nСообщение об ошибке:</b> ${error}\n\n <b><br>Project Name:</b> ${env.JOB_NAME} <b><br>\nBuild Number:</b> ${env.BUILD_NUMBER} <b><br>\nStage Name:</b> Build <b><br>\nURL Build:</b> ${env.BUILD_URL}"
                deleteDir()
                throw err
            } 
        }
		stage("Publish") {
			try {
				sh ('''docker push ${docker_registry}/${docker_image}:${BUILD_NUMBER}
                if [ $? -eq 1 ]; then echo "Can not push a  ${docker_registry}/${docker_image}:${BUILD_NUMBER}"; exit 1; fi
                ''')
			} catch (err) {
			    currentBuild.result = "FAILURE"
                String error = "${err}";
				mail charset: 'UTF-8',
					from: "${mailfrom}",
					mimeType: 'text/html',
					subject: "Ошибка Jenkins CI/CD: Имя проекта -> ${env.JOB_NAME}",
					to: "${mailto}",
					body: "<b>Внимание!!!</b> <b><br>\n\nСообщение об ошибке:</b> ${error}\n\n <b><br>Project Name:</b> ${env.JOB_NAME} <b><br>\nBuild Number:</b> ${env.BUILD_NUMBER} <b><br>\nStage Name:</b> Publish <b><br>\nURL Build:</b> ${env.BUILD_URL}"
				deleteDir()
				throw err
			}	
        }
		stage("Prod-like") {
			try {
				sh ('''export DOCKER_CERT_PATH=/run/secrets/swarm
				export DOCKER_HOST=tcp://${cluster_name}1.${domain_name}:2376 DOCKER_TLS_VERIFY=1
				docker node ls --format "{{.Hostname}} {{.TLSStatus}}" | while read host status
				do
					if [ $status != Ready ]; then echo "Cluster ${cluster_name}.${domain_name} state is inconsistent"; exit 1
					else echo "HOST: $host STATUS: $status"
					fi
				done
				''')
			} catch(err) {
				currentBuild.result = "FAILURE"
				String error = "${err}";
						
				mail charset: 'UTF-8',
					from: "${mailfrom}",
					mimeType: 'text/html',
					subject: "Ошибка Jenkins CI/CD: Имя проекта -> ${env.JOB_NAME}",
					to: "${mailto}",
					body: "<b>Внимание!!!</b> <b><br>\n\nСообщение об ошибке:</b> ${error}\n\n <b><br>Project Name:</b> ${env.JOB_NAME} <b><br>\nBuild Number:</b> ${env.BUILD_NUMBER} <b><br>\nStage Name:</b> Prod-like <b><br>\nURL Build:</b> ${env.BUILD_URL}"
				deleteDir()
				throw err
			}
			try {
				sh ('''export DOCKER_CERT_PATH=/run/secrets/swarm
				export DOCKER_HOST=tcp://${cluster_name}1.${domain_name}:2376 DOCKER_TLS_VERIFY=1
				docker service update --image ${docker_registry}/${docker_image}:${BUILD_NUMBER} ${service_name}
				sleep 60
				if [ `docker service inspect ${service_name} --format='{{.UpdateStatus.State}}'` != "completed" ]
				then
					echo ${service_name} is not updated! Do rollback! 
					docker service update --image ${docker_registry}/${docker_image}:latest ${service_name}
					exit 1
				else
					docker service ps ${service_name} --filter desired-state=Running --format='{{.ID}} {{.Node}}' | while read id node
					do
						export DOCKER_HOST=tcp://${node}:2376 DOCKER_TLS_VERIFY=1
						container_id=`docker inspect ${id} --format='{{.Status.ContainerStatus.ContainerID}}'`
						if [ `docker inspect ${container_id} --format='{{.State.Health.Status}}'` != "healthy" ]
						then
							echo ${service_name} on ${node} with ${container_id} is not healthy! Do rollback!
							docker service update --image ${docker_registry}/${docker_image}:latest ${service_name}
							exit 1
						else
							echo all is well
						fi
					done
				fi
				''') 
			} catch(err) {
					currentBuild.result = "FAILURE"
					String error = "${err}";
						
					mail charset: 'UTF-8',
						from: "${mailfrom}",
						mimeType: 'text/html',
						subject: "Ошибка Jenkins CI/CD: Имя проекта -> ${env.JOB_NAME}",
						to: "${mailto}",
						body: "<b>Внимание!!!</b> <b><br>\n\nСообщение об ошибке:</b> ${error}\n\n <b><br>Project Name:</b> ${env.JOB_NAME} <b><br>\nBuild Number:</b> ${env.BUILD_NUMBER} <b><br>\nStage Name:</b> Prod-like <b><br>\nURL Build:</b> ${env.BUILD_URL}"
					deleteDir()
					throw err    
			}
		}
		stage("Tag image to latest") {
			try {
				sh ('''docker tag ${docker_registry}/${docker_image}:${BUILD_NUMBER} ${docker_registry}/${docker_image}:latest
				docker push ${docker_registry}/${docker_image}:latest
				if [ $? -eq 1 ]; then echo "Can not push a  ${docker_registry}/${docker_image}:latest"; exit 1; fi
				GIT_SSH_COMMAND='ssh -i ${jenkins_ssh_key} -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' \
				git clone ${swarm_git_url}
				cd ${WORKSPACE}/stack-deploy
				echo ${BUILD_NUMBER} > tags/promo.version
				git config --global user.email "${swarm_git_mail}"
				git config --global user.name "${swarm_git_user}"
				git add --all
				git commit -m "Update version of promo"
				GIT_SSH_COMMAND='ssh -i ${jenkins_ssh_key} -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' \
				git push origin master
				rm -rf ~/.gitconfig
				''')
			} catch(err) {
			    currentBuild.result = "FAILURE"
				String error = "${err}";
						
				mail charset: 'UTF-8',
					from: "${mailfrom}",
					mimeType: 'text/html',
					subject: "Ошибка Jenkins CI/CD: Имя проекта -> ${env.JOB_NAME}",
					to: "${mailto}",
					body: "<b>Внимание!!!</b> <b><br>\n\nСообщение об ошибке:</b> ${error}\n\n Ошибка обновления тэга версии!!!<b><br>Project Name:</b> ${env.JOB_NAME} <b><br>\nBuild Number:</b> ${env.BUILD_NUMBER} <b><br>\nStage Name:</b>Tag image to latest <b><br>\nURL Build:</b> ${env.BUILD_URL}"
				deleteDir()
				throw err
			} 
		}
		stage("Send E-mail") {
			try {
				currentBuild.result = "SUCCESS"
			    mail charset: 'UTF-8',
					from: "${mailfrom}",
					mimeType: 'text/html',
					subject: "Сборка успешно завешена! Имя проекта -> ${env.JOB_NAME}",
					to: "${mailto}",
					body: "<b>Внимание!!!</b> <b><br>\n\nСборка успешно завешена!<b><br>Project Name:</b> ${env.JOB_NAME} <b><br>\nBuild Number:</b> ${env.BUILD_NUMBER} <b><br>\nStage Name:</b> Send E-mail <b><br>\nURL Build:</b> ${env.BUILD_URL}"
				deleteDir()
			} catch(err) {
			    throw err
			}
		}
	}
}