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#!/usr/bin/env python3

import os
import sys
import argparse

def main():
    _tdir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
    sys.path.insert(0, _tdir)
    from cloudinit import templater, util  # pylint: disable=E0401

    VARIANTS = [
        "almalinux",
        "alpine",
        "amazon",
        "arch",
        "centos",
        "cloudlinux",
        "debian",
        "eurolinux",
        "fedora",
        "freebsd",
        "gentoo",
        "mariner",
        "miraclelinux",
        "netbsd",
        "openbsd",
        "openEuler",
        "OpenCloudOS",
        "openmandriva",
        "photon",
        "rhel",
        "suse",
        "rocky",
        "TencentOS",
        "ubuntu",
        "unknown",
        "virtuozzo",
    ]
    parser = argparse.ArgumentParser()
    platform = util.system_info()
    parser.add_argument(
        "--variant",
        default=platform["variant"],
        action="store",
        help="define the variant.",
        choices=VARIANTS,
    )
    parser.add_argument(
        "template",
        nargs="?",
        action="store",
        default="./config/cloud.cfg.tmpl",
        help="Path to the cloud.cfg template",
    )
    parser.add_argument(
        "output",
        nargs="?",
        action="store",
        default="-",
        help="Output file.  Use '-' to write to stdout",
    )

    args = parser.parse_args(sys.argv[1:])
    templater.render_cloudcfg(args.variant, args.template, args.output)


if __name__ == "__main__":
    main()