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#!/usr/bin/env python3.7
#
# Copyright (c) 2016-2024 by Ron Frederick <ronf@timeheart.net> and others.
#
# This program and the accompanying materials are made available under
# the terms of the Eclipse Public License v2.0 which accompanies this
# distribution and is available at:
#
# http://www.eclipse.org/legal/epl-2.0/
#
# This program may also be made available under the following secondary
# licenses when the conditions for such availability set forth in the
# Eclipse Public License v2.0 are satisfied:
#
# GNU General Public License, Version 2.0, or any later versions of
# that license
#
# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
#
# Contributors:
# Ron Frederick - initial implementation, API, and documentation
import asyncio, asyncssh
async def run_client(host, command: str) -> asyncssh.SSHCompletedProcess:
async with asyncssh.connect(host) as conn:
return await conn.run(command)
async def run_multiple_clients() -> None:
# Put your lists of hosts here
hosts = 5 * ['localhost']
tasks = (run_client(host, 'ls abc') for host in hosts)
results = await asyncio.gather(*tasks, return_exceptions=True)
for i, result in enumerate(results, 1):
if isinstance(result, Exception):
print(f'Task {i} failed: {result}')
elif result.exit_status != 0:
print(f'Task {i} exited with status {result.exit_status}:')
print(result.stderr, end='')
else:
print(f'Task {i} succeeded:')
print(result.stdout, end='')
print(75*'-')
asyncio.run(run_multiple_clients())
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