Jenkinsfile

pipeline {
    // Mandatory to use per-stage agents
    agent none
    stages {
        stage('Build - test') {
            agent {
                docker {
                    image 'python:3.7-slim-buster'
					// TODO some cache to avoid npm sintall on every execution?
                }
            }
            steps {
                sh 'cat requirements.txt'

				// Any artifact? Dont think so
				// TO-DO

                // Run the tests?
				// TO-DO
            }
            // TODO stop if test fails!
            post {
                always {
                    // Record the test report?
                    // TO-DOi
		    echo "To-Do Record tests"
                }
            }
        }
        stage('Staging image creation') {
            agent any
            steps {
                // The Dockerfile.artifact copies the code into the image and run the jar generation.
                echo 'Creating the image...'
                // This will search for a Dockerfile.artifact in the working directory and build the image to the local repository
                sh "docker build -t \"ditas/data-utility-evaluator:staging\" -f Dockerfile.artifact ."
                echo "Done"
				echo 'Retrieving Docker Hub password from /opt/ditas-docker-hub.passwd...'
				
				// Get the password from a file. This reads the file from the host, not the container. Slaves already have the password in there.
				script {
					password = readFile '/opt/ditas-docker-hub.passwd'
				}
				echo "Done"
				echo 'Login to Docker Hub as ditasgeneric...'
				sh "docker login -u ditasgeneric -p ${password}"
				echo "Done"
				echo "Pushing the image ditas/data-utility-evaluator:staging..."
				sh "docker push ditas/data-utility-evaluator:staging"
				echo "Done "
            }
        }
        stage('Deployment in Staging') {
			agent any
			options {
                // Don't need to checkout Git again
                skipDefaultCheckout true
            }
			steps {
				// Deploy to Staging environment calling the deployment script
				sh './jenkins/deploy/deploy-staging.sh'
			}
		}
		stage('Dredd API validation') {
			agent any
			steps {
				sh './jenkins/dredd/run-api-test.sh'
			}
		}
		stage('Production image creation') {
            agent any
            steps {                
                // Change the tag from staging to production 
                sh "docker tag ditas/data-utility-evaluator:staging ditas/data-utility-evaluator:production"
                sh "docker push ditas/data-utility-evaluator:production"
            }
        }
		stage('Deployment in Production') {
            agent any
            steps {
                sh './jenkins/deploy/deploy-production.sh'
            }
		}
    }
}