Check the stack of apps in CloudFoundry

cloudfoundry-check-stacks.py

import json
import os
from urllib.parse import urlparse, parse_qsl

import requests
from rich import box
from rich.console import Console
from rich.table import Table

with open(f'{os.environ["HOME"]}/.cf/config.json') as f:
    token = json.loads(f.read())['AccessToken']

def api_request(method, path, params=(), json=None):
    response = requests.request(
        method=method,
        url=f'https://api.london.cloud.service.gov.uk{path}',
        headers={'authorization': token},
        params=params,
        json=json,
    )
    response.raise_for_status()
    return response.json()

def paginated_api_request(method, path, params=(), json=None):
    while path:
        response = api_request(method, path, params, json)
        yield from response['resources']

        pagination_obj = response.get("pagination", {}) or {}
        next_obj = pagination_obj.get("next", {}) or {}
        href_str = next_obj.get("href", "")
        parsed_url = urlparse(href_str)
        path, params = parsed_url.path, parse_qsl(parsed_url.query)

our_space_names = {
    'my-space-1',
    'my-space-2,
}
spaces_by_guid = {
    space['guid']: space
    for space in paginated_api_request('GET', '/v3/spaces')
}
our_apps = sorted((
    app for app in paginated_api_request('GET', '/v3/apps')
    if spaces_by_guid[app['relationships']['space']['data']['guid']]['name'] in our_space_names
), key=lambda app: app['name'])
table = Table(box=box.ASCII, header_style='not bold')
table.add_column("Space")
table.add_column("App")
table.add_column("Stack")
for app in our_apps:
    table.add_row(
        spaces_by_guid[app['relationships']['space']['data']['guid']]['name'],
        app['name'],
        app['lifecycle']['data'].get('stack', 'Unknown'),
        style='bold bright_red' if app['lifecycle']['data'].get('stack', 'Unknown') != 'cflinuxfs4' else 'bold bright_white'
    )

console = Console()
console.print(table)