Declarative Jenkins Pipeline Cloudformation Release Stage

cloudformation.groovy

		stage ('Release') {
      steps {
				script {
					def apply = true
					def status = null
					try {
							status = sh(script: "aws cloudformation describe-stacks --stack-name WEBAPP-${STACK_ENV} \
								--query Stacks[0].StackStatus --output text --profile ${PROFILE}", returnStdout: true)
							apply = true
					} catch (err) {
							apply = false
							sh 'echo Creating WEBAPP-${STACK_ENV}....'
							sh "aws cloudformation validate-template --template-body file://`pwd`/cloudformation.yml --profile ${PROFILE}"
							sh "aws cloudformation create-stack --stack-name WEBAPP-${STACK_ENV} --template-body \
											file://`pwd`/cloudformation.yml --parameters file://`pwd`/${ENV}.json --profile ${PROFILE}"
							sh "aws cloudformation wait stack-create-complete --stack-name WEBAPP-${STACK_ENV} --profile ${PROFILE}"
							sh "aws cloudformation describe-stack-events --stack-name WEBAPP-${STACK_ENV} \
											--query 'StackEvents[].[{Resource:LogicalResourceId,Status:ResourceStatus,Reason:ResourceStatusReason}]' \
											--output table --profile ${PROFILE}"
					}
					if (apply) {
							try {
									sh "echo Stack exists, attempting update..."
									sh "aws cloudformation update-stack --stack-name \
											WEBAPP-${STACK_ENV} --template-body file://`pwd`/cloudformation.yml \
											--parameters file://`pwd`/${ENV}.json --profile ${PROFILE}"
							} catch (error) {
									sh "echo Finished create/update - no updates to be performed"
							}
					}
					sh "echo Finished create/update successfully!"
				}
      }
		}