pipeline {
    agent any
    tools {
        ansible 'Ansible'
    }
    environment {
        PSQL_PASSWORD = credentials('PSQL_pass')
        VAULT_PASSWORD = credentials('ansible_vault_password')
    }
    parameters {
        string(name: 'DB_USER', defaultValue: 'postgres', description: 'Имя пользователя базы данных')
        string(name: 'DB_NAME', defaultValue: 'mydb', description: 'Имя базы данных')
        string(name: 'BACKUP_DIR', defaultValue: '/var/backups/postgresql', description: 'Директория для бэкапа')
    }
    stages {
        stage('Clone repository') {
            steps {
                git branch: 'dev', url: 'http://192.168.0.70:3000/coursework/courseworkrep.git'
            }
        }
        stage('Decrypt SSH Key') {
            steps {
                script {
                    def tempDir = '/tmp/' + UUID.randomUUID().toString()
                    env.TEMP_DIR = tempDir
                    sh "mkdir -p ${tempDir}"

                    def decryptedKeyFile = "${tempDir}/id_ed25519"
                    def vaultPassFile = "${tempDir}/vault_pass"

                    writeFile file: vaultPassFile, text: VAULT_PASSWORD
                    
                    sh """
                        ansible-vault decrypt ./id_ed25519_vault --vault-password-file=${vaultPassFile} --output=${decryptedKeyFile}
                    """
                    env.DECRYPTED_KEY_FILE = decryptedKeyFile
                }
            }
        }
        stage('Install PostgreSQL') {
            steps {
                ansiblePlaybook(
                    playbook: 'install_postgresql.yml',
                    inventory: "inventory.yml",
                    extraVars: [
                        postgres_user: params.DB_USER,
                        postgres_password: PSQL_PASSWORD,  
                        postgres_db: params.DB_NAME,
                        backup_dir: params.BACKUP_DIR,
                        ansible_ssh_private_key_file: env.DECRYPTED_KEY_FILE
                    ]
                )
            }
        }
    }
    post {
        always {
            script {
                if (env.TEMP_DIR) {
                    sh "rm -rf ${env.TEMP_DIR}"
                }
            }
        }
    }
}