pipeline{
	agent none
	stages {
		stage ('Master build') {
			agent { node { label 'master' } }
			stages {
				stage('Cancel older builds') {
					steps {
						cancelPreviousBuilds()
					}
				}
			}
		}
		stage ('Worker build') {
			agent { node { label 'bionic' } }
			options {
				timeout(time: 1, unit: 'HOURS')
			}
			stages {
				stage ('Checkout') {
					steps {
						checkout scm
					}
				}
				stage ('Install system packages') {
					steps {
						sh "sudo DEBIAN_FRONTEND=noninteractive apt-get install -yq build-essential mtools libssl-dev pkg-config"
							sh "sudo apt-get install -yq flex bison libelf-dev qemu-utils qemu-system libglib2.0-dev libpixman-1-dev libseccomp-dev socat"
							sh "sudo snap install docker"
					}
				}
				stage ('Install Rust') {
					steps {
						sh "nohup curl https://sh.rustup.rs -sSf | sh -s -- -y"
					}
				}
				stage ('Run Cargo tests') {
					steps {
						sh "scripts/run_cargo_tests.sh"
					}
				}
				stage ('Run OpenAPI tests') {
					steps {
						sh "scripts/run_openapi_tests.sh"
					}
				}
				stage ('Run unit tests') {
					steps {
						sh "scripts/run_unit_tests.sh"
					}
				}
				stage ('Run integration tests') {
					steps {
						sh "sudo mount -t tmpfs tmpfs /tmp"
							sh "scripts/run_integration_tests.sh"
					}
				}
			}
		}
	}
}

def cancelPreviousBuilds() {
	// Check for other instances of this particular build, cancel any that are older than the current one
	def jobName = env.JOB_NAME
		def currentBuildNumber = env.BUILD_NUMBER.toInteger()
		def currentJob = Jenkins.instance.getItemByFullName(jobName)

		// Loop through all instances of this particular job/branch
		for (def build : currentJob.builds) {
			if (build.isBuilding() && (build.number.toInteger() < currentBuildNumber)) {
				echo "Older build still queued. Sending kill signal to build number: ${build.number}"
				build.doStop()
			}
		}
}