Download latest packer version for linux

packer-download-latest.py

#!/usr/bin/env python3

import requests

from tqdm import tqdm

req = requests.get("https://api.github.com/repos/mitchellh/packer/tags")
data = req.json()
version = data[0]['name']

url = "https://releases.hashicorp.com/packer/%s/packer_%s_linux_amd64.zip" % (version[1:],version[1:])

response = requests.get(url, stream=True)
total = int(response.headers['content-length'])

with open('packer-latest.tar.gz', 'wb') as f:
    for data in tqdm(response.iter_content(),total=total,unit='B', unit_scale=True):
        f.write(data)