kubernetesConfig.py

import os
import base64
import subprocess

# Automatically create config.py from env


def replaceSettings(config, name, data):
    config = config.split("\n")
    for i in range(len(config)):
        if "self." + name in config[i]:
            config[i] = "\t\tself." + name + ' = "' + data + '"'
    return "\n".join(config)


with open("config.py.sample") as f:
    config = f.read()

environ = os.environ
for i in environ.keys():
    config = replaceSettings(config, i, environ[i])

with open("config.py", "w") as f:
    f.write(config)

# Add SSL support for nginx

if "SSL" in os.environ and os.environ["SSL"] == "1":
    sslCert = base64.b64decode(os.environ["SSL_CERT"]).decode()
    sslKey = base64.b64decode(os.environ["SSL_KEY"]).decode()

    with open("/etc/nginx/ssl_cert.pem", "w") as f:
        f.write(sslCert)
    with open("/etc/nginx/ssl_key.pem", "w") as f:
        f.write(sslKey)

    os.remove("/etc/nginx/nginx.conf")
    os.rename("/etc/nginx/nginx.conf.ssl", "/etc/nginx/nginx.conf")
    subprocess.call(["nginx", "-s", "reload"])