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##############################################################################
# Copyright (c) 2017 ZTE Corporation and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
from doctor_tests.identity_auth import get_session
from doctor_tests.os_clients import nova_client
from doctor_tests.common.utils import get_doctor_test_root_dir
from doctor_tests.common.utils import SSHClient
LINK_DOWN_SCRIPT = """
#!/bin/bash -x
dev=$(sudo ip a | awk '/ {compute_ip}\//{{print $NF}}')
sleep 1
sudo ip link set $dev down
echo "doctor set link down at" $(date "+%s.%N")
sleep 10
sudo ip link set $dev up
sleep 1
"""
class NetworkFault(object):
def __init__(self, conf, installer, log):
self.conf = conf
self.log = log
self.installer = installer
self.nova = nova_client(self.conf.nova_version, get_session())
self.test_dir = get_doctor_test_root_dir()
self.host = None
self.GetLog = False
self.disable_network_log = None
def start(self, host):
self.log.info('fault inject start......')
self._set_link_down(host.ip)
self.host = host
self.log.info('fault inject end......')
def cleanup(self):
self.log.info('fault inject cleanup......')
self.get_disable_network_log()
def get_disable_network_log(self):
if self.GetLog:
self.log.info('Already get the disable_netork.log '
'from down_host......')
return self.disable_network_log
if self.host is not None:
client = SSHClient(
self.host.ip,
self.installer.node_user_name,
key_filename=self.installer.get_ssh_key_from_installer(),
look_for_keys=True,
log=self.log)
self.disable_network_log = '{0}/{1}'.format(self.test_dir,
'disable_network.log')
client.scp('disable_network.log',
self.disable_network_log,
method='get')
self.log.info('Get the disable_netork.log from'
'down_host(host_name:%s, host_ip:%s)'
% (self.host.name, self.host.ip))
self.GetLog = True
return self.disable_network_log
def _set_link_down(self, compute_ip):
file_name = '{0}/{1}'.format(self.test_dir, 'disable_network.sh')
with open(file_name, 'w') as file:
file.write(LINK_DOWN_SCRIPT.format(compute_ip=compute_ip))
client = SSHClient(
compute_ip,
self.installer.node_user_name,
key_filename=self.installer.get_ssh_key_from_installer(),
look_for_keys=True,
log=self.log)
client.scp(file_name, 'disable_network.sh')
command = 'bash disable_network.sh > disable_network.log 2>&1 &'
client.ssh(command)
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