pipeline {
    agent any
    environment {
        SSH_ROOT_PASSWORD = credentials('ssh_root_password') /
        PSQL_PASSWORD = credentials('PSQL_pass') 
        ANSIBLE_HOST_KEY_CHECKING = 'False' 
    parameters {
        string(name: 'DB_SERVER_IP', defaultValue: '192.168.0.71', description: 'IP-адрес сервера')
        string(name: 'SSH_USER', defaultValue: 'root', description: 'Имя пользователя для SSH подключения')
        string(name: 'DB_USER', defaultValue: 'postgres', description: 'Имя пользователя базы данных')
        string(name: 'DB_NAME', defaultValue: 'mydb', description: 'Имя базы данных')
    }
    stages {
        stage('Clone repository') {
            steps {
                
                git branch: 'main', url: 'http://192.168.0.70:3000/coursework/courseworkrep.git'
            }
        }
        stage('Install PostgreSQL') {
            steps {
                script {
                    
                    def tempDir = sh(script: 'mktemp -d', returnStdout: true).trim()
                    def hostsFile = "${tempDir}/hosts.ini"
                    echo "Temporary directory created: ${tempDir}"

                    
                    writeFile file: hostsFile, text: """
                    [postgres_servers]
                    ${params.DB_SERVER_IP} ansible_user=${params.SSH_USER} ansible_password=${SSH_ROOT_PASSWORD} ansible_ssh_extra_args='-o StrictHostKeyChecking=no'
                    """

                    
                    sh "cat ${hostsFile}"

                    
                    sh """
                    ansible-playbook -i ${hostsFile} install_postgresql.yml \
                    -e postgres_user=${params.DB_USER} \
                    -e postgres_password=${PSQL_PASSWORD} \
                    -e postgres_db=${params.DB_NAME}
                    """

                    
                    sh "rm -rf ${tempDir}"
                    echo "Temporary directory ${tempDir} has been removed"
                }
            }
        }
        stage('Setup PostgreSQL Backup with Cron') {
            steps {
                script {
                    
                    def tempDir = sh(script: 'mktemp -d', returnStdout: true).trim()
                    def hostsFile = "${tempDir}/hosts.ini"
                    echo "Temporary directory created: ${tempDir}"

                    
                    writeFile file: hostsFile, text: """
                    [postgres_servers]
                    ${params.DB_SERVER_IP} ansible_user=${params.SSH_USER} ansible_password=${SSH_ROOT_PASSWORD} ansible_ssh_extra_args='-o StrictHostKeyChecking=no'
                    """

                    
                    sh "cat ${hostsFile}"

                    
                    sh """
                    ansible-playbook -i ${hostsFile} backup_postgresql.yml \
                    -e postgres_user=${params.DB_USER} \
                    -e postgres_password=${PSQL_PASSWORD} \
                    -e postgres_db=${params.DB_NAME} \
                    -e backup_dir=/path/to/backup
                    """

                    
                    sh "rm -rf ${tempDir}"
                    echo "Temporary directory ${tempDir} has been removed"
                }
            }
        }
    }
    post {
        always {
            echo "Pipeline completed"
        }
        failure {
            echo "Pipeline failed"
        }
        success {
            echo "Pipeline succeeded"
        }
    }
}