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##############################################################################
# Copyright (c) 2017 Huawei Technologies Co.,Ltd 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 __future__ import print_function
from __future__ import absolute_import
import logging
import yardstick.ssh as ssh
from yardstick.benchmark.scenarios import base
LOG = logging.getLogger(__name__)
class CheckConnectivity(base.Scenario):
"""Check connectivity between two VMs"""
__scenario_type__ = "CheckConnectivity"
def __init__(self, scenario_cfg, context_cfg):
self.scenario_cfg = scenario_cfg
self.context_cfg = context_cfg
self.options = self.scenario_cfg['options']
try:
self.source_ip_addr = self.options['src_ip_addr']
self.dest_ip_addr = self.options['dest_ip_addr']
except KeyError:
host = self.context_cfg['host']
target = self.context_cfg['target']
self.ssh_user = host.get('user', 'ubuntu')
self.ssh_port = host.get("ssh_port", 22)
self.source_ip_addr = host.get('ip', None)
self.dest_ip_addr = target.get('ipaddr', None)
self.ssh_key = host.get('key_filename', '/root/.ssh/id_rsa')
self.ssh_passwd = host.get('password', None)
self.ssh_timeout = 600
else:
self.ssh_user = self.options.get("ssh_user", 'ubuntu')
self.ssh_port = self.options.get("ssh_port", 22)
self.ssh_key = self.options.get("ssh_key", '/root/.ssh/id_rsa')
self.ssh_passwd = self.options.get("ssh_passwd", None)
self.ssh_timeout = self.options.get("ssh_timeout", 600)
self.connection = None
self.setup_done = False
def setup(self):
"""scenario setup"""
if self.ssh_passwd is not None:
LOG.info("Log in via pw, user:%s, host:%s, pw:%s",
self.ssh_user, self.source_ip_addr, self.ssh_passwd)
self.connection = ssh.SSH(self.ssh_user,
self.source_ip_addr,
password=self.ssh_passwd,
port=self.ssh_port)
else:
LOG.info("Log in via key, user:%s, host:%s, key_filename:%s",
self.ssh_user, self.source_ip_addr, self.ssh_key)
self.connection = ssh.SSH(self.ssh_user,
self.source_ip_addr,
key_filename=self.ssh_key,
port=self.ssh_port)
self.connection.wait(timeout=self.ssh_timeout)
self.setup_done = True
def run(self, result): # pragma: no cover
"""execute the test"""
if not self.setup_done:
self.setup()
cmd = 'ping -c 4 ' + self.dest_ip_addr
parameter = self.options.get('ping_parameter', None)
if parameter:
cmd += (" %s" % parameter)
LOG.info("Executing command: %s", cmd)
LOG.info("ping %s ==> %s", self.source_ip_addr, self.dest_ip_addr)
status, stdout, stderr = self.connection.execute(cmd)
conn_status = self.scenario_cfg['sla']['status']
if bool(status) != bool(conn_status):
LOG.info("%s ===> %s connectivity check passed!" % (self.source_ip_addr,
self.dest_ip_addr))
result['Check_Connectivity'] = 'PASS'
else:
LOG.info("%s ===> %s connectivity check failed!" % (self.source_ip_addr,
self.dest_ip_addr))
result['Check_Connectivity'] = 'FAIL'
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