How Python Enhances DevOps Efficiency and Automation

# Create in function format

import os
import boto3

# Set clinet globally 
s3 = boto3.client('s3') 



def list_bucket():
    response = s3.list_buckets()

    # Fetch the buckets form account
    bucket_list = (response["Buckets"])
    # Iterate over bucket list and add in variable i from bucket_list
    for i in bucket_list:
        # Only print name of bucket
        print(i['Name'])



def file_upload():
    # File which want to upload
    file_name = "/home/amitt-ashok/break.sh"
    # Only take base name of file rather than full path
    full_file_name = os.path.basename(file_name)

    # bucket-name in which file want to upload
    bucket_name = "python-devops-amitt-bucket"
    # new name for file in bucket
    new_bucket_name = "break1.txt"

    #upload file
    s3.upload_file(file_name,bucket_name, new_bucket_name)
    print(f"{file_name} is succssfully uploaded in {bucket_name}")

def file_download():
    # File which want to download from account
    file_name = "list_bucket_with_python"
    # Bucket name 
    bucket_name = 'python-devops-amitt-bucket'
    # if want to change name locally
    new_file_name = 'app-log'

    s3.download_file(bucket_name, file_name, new_file_name)
    print("file downloaded successfully...")

def invalid_option():
    print("Invalid option selected")

def switch_case(user_input):
    options = {
        1: list_bucket,
        2: file_upload,
        3: file_download
    }

    #return options.get(int(user_input),invalid_option())
    action= options.get(user_input, invalid_option)
    action()
user_input =int(input("Choose an option (1: List buckets, 2: Upload file, 3: Download file): "))
switch_case(user_input)