Jenkinsfile

pipeline {
    agent any

    environment {
        KUBECONFIG = credentials('k8sconfig') // замените 'kubeconfig-id' на ваш ID секрета
        VENV_DIR = 'venv'  // Директория для виртуального окружения
    }

    stages {
        stage("Checkout repo") { //Объявляем секцию с именем «Checkout repo»
            steps {
                checkout scmGit(branches: [[name: '${BRANCH_NAME}']],
                userRemoteConfigs: [[credentialsId: '1', url: 'https://gitlab-pub.yadro.com/devops-school-2024/student/a.ukhanov.git']])
            }
        }
        stage('Setup Python Environment') {
            steps {
                // Создание виртуального окружения
                sh 'python3 -m venv $VENV_DIR'
                // Активация виртуального окружения и установка зависимостей
                sh """
                . $VENV_DIR/bin/activate
                pip install --upgrade pip
                pip install -r requirements.txt
                """
            }
        }

        stage('Run Tests') {
            steps {
                // Активация виртуального окружения и запуск тестов
                sh """
                . $VENV_DIR/bin/activate
                pytest --junitxml=test-results.xml
                """
            }
        }
        stage('Build docker app image') {
            steps {
                withCredentials([usernamePassword(credentialsId: '4', passwordVariable: 'HUB_PASSWORD',
                                usernameVariable: 'HUB_USERNAME')]) {
                    sh("buildah bud --tag ${HUB_USERNAME}/currency_app:latest -f ./Dockerfile .")
                }
            }
        }
        stage('Push docker image to docker hub') {
            steps {
                withCredentials([usernamePassword(credentialsId: '4', passwordVariable: 'HUB_PASSWORD',
                                usernameVariable: 'HUB_USERNAME')]) {
                    sh """
                        buildah login -u ${HUB_USERNAME} -p ${HUB_PASSWORD} docker.io
                        buildah push ${HUB_USERNAME}/currency_app:latest
                        buildah logout docker.io
                    """
                }
            }
        }
        stage('Deploy to k8s') {
            steps {
                withCredentials([file(credentialsId: 'k8sconfig', variable: 'KUBECONFIG')]) {
                    script {
                        def serviceExists = sh(script: 'kubectl get service --selector=app=currency-app', returnStatus: true) == 0
                        if (serviceExists) {
                            echo 'Service exists, deleting...'
                            sh 'kubectl delete service --selector=app=currency-app'
                        }
                        def podExists = sh(script: 'kubectl get pod --selector=app=currency-app', returnStatus: true) == 0
                        if (podExists) {
                            echo 'Pod exists, deleting...'
                            sh 'kubectl delete pod --selector=app=currency-app'
                        }
                        sh 'kubectl apply -f ci_cd/service.yaml'
                        sh 'kubectl apply -f ci_cd/deployment.yaml'
                    }
                }
            }
        }
    }

    post {
        always {
            // Архивируем артефакты тестов и публикуем их
            archiveArtifacts artifacts: 'test-results.xml', allowEmptyArchive: true
            junit 'test-results.xml'
        }
    }

}