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How to use clear_known_hosts method in autotest

Best Python code snippet using autotest_python

sftp.py

Source:sftp.py

1#!/usr/bin/python32#3# SPDX-License-Identifier: Apache-2.04#5import getpass6import os7import time8import subprocess9import paramiko10from utils.install_log import LOG11def sftp_send(source, remote_host, remote_port, destination, username, password):12    """13    Send files to remote server14    """15    LOG.info("Connecting to server %s with username %s", remote_host, username)16    ssh_client = paramiko.SSHClient()17    ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())18    ## TODO(WEI): need to make this timeout handling better19    retry = 020    while retry < 8:21        try:22            ssh_client.connect(remote_host, port=remote_port,23                               username=username, password=password,24                               look_for_keys=False, allow_agent=False)25            sftp_client = ssh_client.open_sftp()26            retry = 827        except Exception as e:28            LOG.info("******* try again")29            retry += 130            time.sleep(10)31    LOG.info("Sending file from %s to %s", source, destination)32    sftp_client.put(source, destination)33    LOG.info("Done")34    sftp_client.close()35    ssh_client.close()36def send_dir(source, remote_host, remote_port, destination, username,37             password, follow_links=True, clear_known_hosts=True):38    # Only works from linux for now39    if not source.endswith('/') or not source.endswith('\\'):40        source = source + '/'41    params = {42        'source': source,43        'remote_host': remote_host,44        'destination': destination,45        'port': remote_port,46        'username': username,47        'password': password,48        'follow_links': "L" if follow_links else "",49        }50    if clear_known_hosts:51        if remote_host == '127.0.0.1':52            keygen_arg = "[127.0.0.1]:{}".format(remote_port)53        else:54            keygen_arg = remote_host55        cmd = 'ssh-keygen -f "/home/%s/.ssh/known_hosts" -R' \56              ' %s', getpass.getuser(), keygen_arg57        LOG.info("CMD: %s", cmd)58        process = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)59        for line in iter(process.stdout.readline, b''):60            LOG.info("%s", line.decode("utf-8").strip())61        process.wait()62    LOG.info("Running rsync of dir: {source} ->"  \63             "{username}@{remote_host}:{destination}".format(**params))64    cmd = ("rsync -av{follow_links} "65           "--rsh=\"/usr/bin/sshpass -p {password} ssh -p {port} -o StrictHostKeyChecking=no -l {username}\" "66           "{source}* {username}@{remote_host}:{destination}".format(**params))67    LOG.info("CMD: %s", cmd)68    process = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)69    for line in iter(process.stdout.readline, b''):70        LOG.info("%s", line.decode("utf-8").strip())71    process.wait()72    if process.returncode:73        raise Exception("Error in rsync, return code:{}".format(process.returncode))74def send_dir_fallback(source, remote_host, destination, username, password):75    """76    Send directory contents to remote server, usually controller-077    Note: does not send nested directories only files.78    args:79    - source: full path to directory80    e.g. /localhost/loadbuild/jenkins/latest_build/81    - Remote host: name of host to log into, controller-0 by default82    e.g. myhost.com83    - destination: where to store the file on host: /home/myuser/84    """85    LOG.info("Connecting to server %s with username %s", remote_host, username)86    ssh_client = paramiko.SSHClient()87    ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())88    ssh_client.connect(remote_host, username=username, password=password, look_for_keys=False, allow_agent=False)89    sftp_client = ssh_client.open_sftp()90    path = ''91    send_img = False92    for items in os.listdir(source):93        path = source+items94        if os.path.isfile(path):95            if items.endswith('.img'):96                remote_path = destination+'images/'+items97                LOG.info("Sending file from %s to %s", path, remote_path)98                sftp_client.put(path, remote_path)99                send_img = True100            elif items.endswith('.iso'):101                pass102            else:103                remote_path = destination+items104                LOG.info("Sending file from %s to %s", path, remote_path)105                sftp_client.put(path, remote_path)106    LOG.info("Done")107    sftp_client.close()108    ssh_client.close()109    if send_img:...

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