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##############################################################################
# Copyright (c) 2016 Dell Inc, ZTE 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
##############################################################################
import os
import sys
from collections import defaultdict
import yaml
import time
import paramiko
import socket
from os.path import expanduser
import random
import logging
LOG = logging.getLogger(__name__)
LOG.setLevel(logging.DEBUG)
class Env_setup:
roles_ip_list = [] # ROLE and its corresponding IP address list
ip_pw_list = [] # IP and password, this will be used to ssh
roles_dict = defaultdict(list)
ip_pw_dict = defaultdict(list)
ip_pip_list = []
vm_parameters = defaultdict(list)
benchmark_details = defaultdict()
benchmark = ''
def __init__(self):
print '\nParsing class initiated\n'
self.roles_ip_list[:] = []
self.ip_pw_list[:] = []
self.roles_dict.clear()
self.ip_pw_dict.clear()
self.ip_pip_list[:] = []
self.proxy_info = {}
self.vm_parameters.clear()
self.benchmark_details.clear()
self.benchmark = ''
@staticmethod
def write_to_file(role):
f_name_2 = open('./data/hosts', 'w')
print role.items()
for k in role:
f_name_2.write('[' + k + ']\n')
num = len(role[k])
for x in range(num):
f_name_2.write(role[k][x] + '\n')
f_name_2.write('[localhost]\n')
f_name_2.write('127.0.0.1\n')
f_name_2.close()
@staticmethod
def ssh_test(hosts):
for ip, pw in hosts:
print '\nBeginning SSH Test: %s \n' % ip
os.system('ssh-keyscan %s >> ~/.ssh/known_hosts' % ip)
time.sleep(2)
ssh_cmd = './data/qtip_creds.sh %s' % ip
print "run command: %s " % ssh_cmd
os.system(ssh_cmd)
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(ip, key_filename='./data/QtipKey')
for attempts in range(100):
try:
stdin, stdout, stderr = ssh.exec_command('uname')
if not stderr.readlines():
print('SSH successful')
break
except socket.error:
print 'SSH is still unavailable, retry!'
time.sleep(2)
if attempts == 99:
print "Try 99 times, SSH failed: %s" % ip
@staticmethod
def ping_test(lister, attempts=30):
for k, v in lister.iteritems():
time.sleep(10)
for val in v:
ipvar = val
ping_cmd = 'ping -D -c1 {0}'.format(ipvar)
for i in range(attempts):
if os.system(ping_cmd) != 0:
print '\nWaiting for machine\n'
time.sleep(10)
else:
break
print ('\n\n %s is UP \n\n ' % ipvar)
@staticmethod
def fetch_compute_ips():
LOG.info("Fetch compute ips through installer")
ips = []
installer_type = str(os.environ['INSTALLER_TYPE'].lower())
installer_ip = str(os.environ['INSTALLER_IP'])
if installer_type not in ["fuel", "compass"]:
raise RuntimeError("%s is not supported" % installer_type)
if not installer_ip:
raise RuntimeError("undefine environment variable INSTALLER_IP")
cmd = "bash ./func/fetch_compute_ips.sh -i %s -a %s" % \
(installer_type, installer_ip)
LOG.info(cmd)
os.system(cmd)
home = expanduser("~")
with open(home + "/ips.log", "r") as file:
data = file.read()
if data:
ips.extend(data.rstrip('\n').split('\n'))
LOG.info("All compute ips: %s" % ips)
return ips
def check_machine_ips(self, host_tag):
LOG.info("Check machine ips")
ips = self.fetch_compute_ips()
ips_num = len(ips)
num = len(host_tag)
if num > ips_num:
err = "host num %s > compute ips num %s" % (num, ips_num)
raise RuntimeError(err)
for x in range(num):
hostlabel = 'machine_' + str(x + 1)
if host_tag[hostlabel]['ip']:
if host_tag[hostlabel]['ip'] in ips:
info = "%s's ip %s is defined by test case yaml file" % \
(hostlabel, host_tag[hostlabel]['ip'])
LOG.info(info)
else:
err = "%s is not in %s" % (host_tag[hostlabel]['ip'], ips)
raise RuntimeError(err)
else:
host_tag[hostlabel]['ip'] = random.choice(ips)
info = "assign ip %s to %s" % (host_tag[hostlabel]['ip'], hostlabel)
ips.remove(host_tag[hostlabel]['ip'])
def get_host_machine_info(self, host_tag):
num = len(host_tag)
offset = len(self.roles_ip_list)
self.check_machine_ips(host_tag)
for x in range(num):
hostlabel = 'machine_' + str(x + 1)
self.roles_ip_list.insert(
offset, (host_tag[hostlabel]['role'], host_tag[hostlabel]['ip']))
self.ip_pw_list.insert(
offset, (host_tag[hostlabel]['ip'], host_tag[hostlabel]['pw']))
def get_virtual_machine_info(self, virtual_tag):
num = len(virtual_tag)
for x in range(num):
host_label = 'virtualmachine_' + str(x + 1)
for k, v in virtual_tag[host_label].iteritems():
self.vm_parameters[k].append(v)
def get_bench_mark_details(self, detail_dic):
print detail_dic
for k, v in detail_dic.items():
self.benchmark_details[k] = v
def parse(self, config_file_path):
try:
f_name = open(config_file_path, 'r+')
doc = yaml.load(f_name)
f_name.close()
if doc['Scenario']['benchmark']:
self.benchmark = doc['Scenario']['benchmark']
if doc['Context']['Virtual_Machines']:
self.get_virtual_machine_info(doc['Context']['Virtual_Machines'])
if doc['Context']['Host_Machines']:
self.get_host_machine_info(doc['Context']['Host_Machines'])
if doc.get('Scenario', {}).get('benchmark_details', {}):
self.get_bench_mark_details(doc.get('Scenario', {}).get('benchmark_details', {}))
if 'Proxy_Environment' in doc['Context'].keys():
self.proxy_info['http_proxy'] = doc['Context']['Proxy_Environment']['http_proxy']
self.proxy_info['https_proxy'] = doc['Context']['Proxy_Environment']['https_proxy']
self.proxy_info['no_proxy'] = doc['Context']['Proxy_Environment']['no_proxy']
for k, v in self.roles_ip_list:
self.roles_dict[k].append(v)
for k, v in self.ip_pw_list:
self.ip_pw_dict[k].append(v)
return (
self.benchmark,
self.vm_parameters,
self.benchmark_details.items(),
self.proxy_info)
except KeyboardInterrupt:
print 'ConfigFile Closed: exiting!'
sys.exit(0)
def update_ansible(self):
self.write_to_file(self.roles_dict)
def call_ping_test(self):
self.ping_test(self.roles_dict)
def call_ssh_test(self):
self.ssh_test(self.ip_pw_list)
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