push_newest_dockerhub_version.py

'''
Gets most recent version from dockerhub then creates and pushes the next version tag to dockerhub
'''


import requests as rq
import os
# import json
import subprocess

DOCKER_TOKEN = os.getenv('DOCKER_TOKEN')
DOCKER_USERNAME = os.getenv('DOCKER_USERNAME')
DOCKER_IMAGE_NAME = os.getenv('DOCKER_IMAGE_NAME')

# headers = {'Content-Type: application/json'}

creds = {"username": DOCKER_USERNAME, "password": DOCKER_TOKEN}

response = rq.post('https://hub.docker.com/v2/users/login', json=creds)

token = response.json()['token']

header = {"Authorization": f"JWT {token}"}


tags = rq.get(
    'https://registry.hub.docker.com/v2/repositories/richbruce/base_api/tags', headers=header)


jtags = tags.json()

# fjtags = json.dumps(jtags, indent=2)
# print(fjtags)

tag_names = [float(tag['name'].replace('v', ''))
             for tag in jtags['results'] if tag['name'] != 'testing']

tag_names.sort(reverse=True)

latest_version = tag_names[0]

new_version = str(round(latest_version + .01, 2))


subprocess.run(
    f'docker tag {DOCKER_USERNAME}/{DOCKER_IMAGE_NAME}:testing {DOCKER_USERNAME}/{DOCKER_IMAGE_NAME}:v{new_version}', shell=True)

subprocess.run(
    f'docker push {DOCKER_USERNAME}/{DOCKER_IMAGE_NAME}:v{new_version}', shell=True)