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# Copyright (c) 2024 Arista Networks, Inc.
# Use of this source code is governed by the Apache License 2.0
# that can be found in the LICENSE file.
"""Script that runs a list of EOS commands on reachable devices."""
# This is needed to run the script for python < 3.10 for typing annotations
from __future__ import annotations
import asyncio
from pprint import pprint
from anta.inventory import AntaInventory
from anta.models import AntaCommand
async def main(inv: AntaInventory, commands: list[str]) -> dict[str, list[AntaCommand]]:
"""Run a list of commands against each valid device in the inventory.
Take an AntaInventory and a list of commands as string
1. try to connect to every device in the inventory
2. collect the results of the commands from each device
Returns
-------
dict[str, list[AntaCommand]]
a dictionary where key is the device name and the value is the list of AntaCommand ran towards the device
"""
await inv.connect_inventory()
# Make a list of coroutine to run commands towards each connected device
coros = []
# dict to keep track of the commands per device
result_dict = {}
for name, device in inv.get_inventory(established_only=True).items():
anta_commands = [AntaCommand(command=command, ofmt="json") for command in commands]
result_dict[name] = anta_commands
coros.append(device.collect_commands(anta_commands))
# Run the coroutines
await asyncio.gather(*coros)
return result_dict
if __name__ == "__main__":
# Create the AntaInventory instance
inventory = AntaInventory.parse(
filename="inventory.yaml",
username="arista",
password="@rista123",
)
# Create a list of commands with json output
command_list = ["show version", "show ip bgp summary"]
# Run the main asyncio entry point
res = asyncio.run(main(inventory, command_list))
pprint(res)
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