scripts/inventory.py

#!/usr/bin/env python3

# SPDX-FileCopyrightText: © 2021 Open Networking Foundation <support@opennetworking.org>
# SPDX-License-Identifier: Apache-2.0

# inventory.py
# create an inventory file for a site, in YAML format
# currently aether specific

import nbhelper
from ruamel import yaml

if __name__ == "__main__":

    extra_args = {
        "--generic": {
            "action": "store_true",
            "help": "Use generic output, instead of Aether-specific",
        },
    }

    args = nbhelper.initialize(extra_args)
    tenant = nbhelper.Tenant()

    routers = {}
    servers = {}
    switches = {}

    for device in tenant.get_devices():

        dev_name = device.data["name"]

        dev_vars = {
            "ansible_host": str(device.primary_ip),
        }

        if device.data.device_role.slug == "router":
            routers[dev_name] = dev_vars

        elif device.data.device_role.slug == "server":
            servers[dev_name] = dev_vars

        elif device.data.device_role.slug == "switch":
            switches[dev_name] = dev_vars

    if args.generic:
        groups = {
            "routers": {"hosts": routers},
            "servers": {"hosts": servers},
            "switches": {"hosts": switches},
        }
    else:
        groups = {
            "aethermgmt": {"hosts": routers},
            "aethercompute": {"hosts": servers},
            "aetherfabric": {"hosts": switches},
        }

    yaml_out = {"all": {"children": groups}}

    print(yaml.safe_dump(yaml_out, indent=2))