pipeline2.txt

sudo apt update
sudo apt install python3 python3-pip -y
python3 --version
echo 'export PATH=$PATH:/usr/bin/python3' >> ~/.bashrc
source ~/.bashrc
echo $PATH -> python3 --version

sudo chmod +x /usr/bin/python3
sudo chown jenkins:jenkins /usr/bin/python3

New Item".
Select "Pipeline" and provide a name.

Build with Parameters:
Click on "Build with Parameters" on the pipeline page.
Provide values for NUM1, NUM2, and operation.



Add.py --> must be in the workspace of the job

import sys

def main():
    if len(sys.argv) != 4:
        print("Usage: python addition.py <num1> <num2> <op>")
        return

    try:
        num1 = float(sys.argv[1])
        num2 = float(sys.argv[2])
        op=sys.argv[3]
        if op=="add":
            print(f"The sum is: {num1 + num2}")
        elif op=="sub":
            print(f"The diff is: {num1 - num2}")
        elif op=="mul":
            print(f"The prod is: {num1 * num2}")
        elif op=="div":
            print(f"The quotient is: {num1 / num2}")
    except ValueError:
        print("Error: Please provide valid numbers.")

if __name__ == "__main__":
    main()

Pipeline script:

pipeline {
    agent any
    parameters {
        string(name: 'NUM1', defaultValue: '5', description: 'First number')
        string(name: 'NUM2', defaultValue: '10', description: 'Second number')
        string(name: 'operation', defaultValue: 'add', description: 'Enter operation (add, subtract, multiply, divide)')
    }
    stages {
        stage('Setup Python Environment') {
            steps {
                script {
                    // Check if Python is installed and accessible
                    sh '''
                        python3 --version || (echo "Python is not installed or not in PATH" && exit 1)
                    '''
                }
            }
        }
        stage('Run Python Script') {
            steps {
                script {
                    // Run the Python script with arguments
                    sh """
                        python3 Add.py ${params.NUM1} ${params.NUM2} ${params.operation} || (echo "Python script execution failed" && exit 1)
                    """
                }
            }
        }
    }
    post {
        always {
            echo 'Pipeline execution completed.'
        }
        failure {
            echo 'Pipeline failed. Check logs for details.'
        }
        success {
            echo 'Pipeline succeeded.'
        }
    }
}