blob: 342f5cae0a5b5567074778d753025b5b67e80a71 [file] [log] [blame]
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import socket
from autotest_lib.client.common_lib import base_utils, global_config
def ping(host, deadline=None, tries=None, timeout=60):
"""Attempt to ping |host|.
Shell out to 'ping' to try to reach |host| for |timeout| seconds.
Returns exit code of ping.
Per 'man ping', if you specify BOTH |deadline| and |tries|, ping only
returns 0 if we get responses to |tries| pings within |deadline| seconds.
Specifying |deadline| or |count| alone should return 0 as long as
some packets receive responses.
@param deadline: seconds within which |tries| pings must succeed.
@param tries: number of pings to send.
@param timeout: number of seconds after which to kill 'ping' command.
@return exit code of ping command.
args = [host]
if deadline:
args.append('-w%d' % deadline)
if tries:
args.append('-c%d' % tries)
return'ping', args=args,
ignore_status=True, timeout=timeout,
def host_is_in_lab_zone(hostname):
"""Check if the host is in the CROS.dns_zone.
@param hostname: The hostname to check.
@returns True if hostname.dns_zone resolves, otherwise False.
host_parts = hostname.split('.')
dns_zone = global_config.global_config.get_config_value('CROS', 'dns_zone',
fqdn = '%s.%s' % (host_parts[0], dns_zone)
return True
except socket.gaierror:
return False