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#!/usr/bin/env python
# virtio test automation
# Copyright 2014 Canonical Ltd.
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
# PURPOSE. See the GNU General Public License for more details.
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import argparse
import libvirt
import yaml
import multiprocessing as mp
from jinja2 import Template
from event_server import start_server as start_event_server
from subprocess import call
from modules.monitor import check_timeout
import logging
import imp
base_path = os.getcwd()
log_path = base_path + '/log/'
cfg_path = base_path + '/config/'
tmpl_path = cfg_path + 'templates/'
dev_path = cfg_path + 'devices/'
role_path = cfg_path + 'roles/'
with open(cfg_path + 'parameters.conf') as f:
config = imp.load_source('config', '', f)
logger = logging.getLogger('provision')
logger.setLevel(logging.INFO)
ch = logging.StreamHandler()
fmt = logging.Formatter('%(asctime)s %(levelname)s: [provision] %(message)s', datefmt='%d/%m/%Y %T')
ch.setFormatter(fmt)
logger.addHandler(ch)
def net_setup(lv, net_tmpl, net_settings):
with open(net_tmpl, 'r') as f:
net_template = Template(f.read())
net_xml = net_template.render(net_settings)
try:
vnet = lv.networkLookupByName(net_settings['name'])
if vnet.isActive():
logger.info("Network " + net_settings['name'] + " exists: Destroying and recreating")
vnet.destroy()
vnet.undefine()
except libvirt.libvirtError:
logger.info("Network " + net_settings['name'] + " doesn't exist: Creating")
finally:
try:
vnet = lv.networkDefineXML(net_xml)
vnet.setAutostart(True)
vnet.create()
except libvirt.libvirtError:
logger.error("Failed creating network " + net_settings['name'] + "!")
def net_setup_all(lv, net_tmpl, net_cfg):
with open(net_cfg, 'r') as f:
net_settings = yaml.load(f)
for net_setting in net_settings:
net_setup(lv, net_tmpl, net_setting)
def os_setup(os_tmpl, os_version):
with open(cfg_path + "os_repo.yml", 'r') as f:
os_list = yaml.load(f)
with open(os_tmpl, 'r') as f:
template = Template(f.read())
floppy_path = config.HOME_DIR + '/floppy' + os_version + '.img'
os_yml = template.render(os_list['OS'][os_version], isorepo=config.ISO_PATH, floppy=floppy_path)
# Customizing Autounattend.xml
with open("./floppy_template/Autounattend_template.xml", 'r') as f:
template = Template(f.read())
autounattend = template.render(os_list['OS'][os_version])
# print autounattend
with open("./floppy_template/Autounattend.xml", "w") as f:
f.write(autounattend)
return os_yml
def vm_setup(lv, vm_tmpl, vm_settings):
with open(vm_tmpl, 'r') as f:
template = Template(f.read())
vm_xml = template.render(vm_settings)
try:
vm = lv.lookupByName(vm_settings['name'])
if vm.isActive():
logger.info("VM " + vm_settings['name'] + " exists: Destroying and recreating")
vm.destroy()
vm.undefine()
except libvirt.libvirtError:
logger.info("VM " + vm_settings['name'] + " doesn't exist yet...")
if os.path.isfile(vm_settings['disk']['file']):
logger.info("Removing existing disk %s" % vm_settings['disk']['file'])
os.unlink(vm_settings['disk']['file'])
cmd = ' '.join(['qemu-img', 'create', '-f', vm_settings['disk']['type'], vm_settings['disk']['file'], vm_settings['disk']['size']])
logger.info("Executing cmd: %s" % cmd)
os.system(cmd)
if (vm_settings.has_key('pvdisk')):
if os.path.isfile(vm_settings['pvdisk']['file']):
logger.info("Removing existing disk %s" % vm_settings['pvdisk']['file'])
os.unlink(vm_settings['pvdisk']['file'])
cmd = ' '.join(['qemu-img', 'create', '-f', vm_settings['pvdisk']['type'], vm_settings['pvdisk']['file'], vm_settings['pvdisk']['size']])
logger.info("Executing cmd: %s" % cmd)
os.system(cmd)
if (vm_settings.has_key('pvscsi')):
if os.path.isfile(vm_settings['pvscsi']['file']):
logger.info("Removing existing disk %s" % vm_settings['pvscsi']['file'])
os.unlink(vm_settings['pvscsi']['file'])
cmd = ' '.join(['qemu-img', 'create', '-f', vm_settings['pvscsi']['type'], vm_settings['pvscsi']['file'], vm_settings['pvscsi']['size']])
logger.info("Executing cmd: %s" % cmd)
os.system(cmd)
try:
vm = lv.defineXML(vm_xml)
vm.create()
with open(log_path + vm_settings['name'] + ".xml", 'w') as f:
f.write(vm_xml)
logger.info("VM " + vm_settings['name'] + " has been created.")
except libvirt.libvirtError:
logger.error("Failed creating VM " + vm_settings['name'] + "!")
def vm_settings(vm, cfg):
# Get OS config and set floppy/cdrom paths to ISO
os_version = cfg['vms'][vm]['os']
os_config = os_setup(tmpl_path + 'external_iso_template.yml', os_version)
settings = yaml.load(os_config)
vm_role = cfg['vms'][vm]['role']
# Get resource config (mem,ncpu...) based on machine role
base_file = role_path + vm_role + '.yml'
with open(base_file, 'r') as f:
base_template = Template(f.read())
base_config = yaml.load(base_template.render(cfg['vms'][vm], vmrepo=config.VM_PATH))
settings = dict(dict(settings).items() + base_config.items())
logger.info("- Preparing vm " + vm + ": " + os_version + " " + vm_role)
if vm_role == "sut":
# Get all device config of testing vms
for device in cfg['vms'][vm]['devices']:
dev_file = dev_path + device + '.yml'
with open(dev_file, 'r') as f:
f_template = Template(f.read())
dev_config = yaml.load(f_template.render(cfg['vms'][vm], vmrepo=config.VM_PATH))
settings = dict(dict(settings).items() + dev_config.items())
return settings
else:
# All other roles don't require extra devices
return settings
if __name__ == '__main__':
parser = argparse.ArgumentParser()
gparser = parser.add_mutually_exclusive_group()
gparser.add_argument('-w', '--whql', help='Deploy WHQL testbed', action="store_true")
gparser.add_argument('-s', '--svvp', help='Deploy SVVP testbed', action="store_true")
gparser.add_argument('-c', '--custom', metavar='<config file>', help='Deploy testbed from custom file')
opts = parser.parse_args()
if opts.whql:
top_yml = cfg_path + 'whql.yml'
tmpl_path = tmpl_path + 'whql/'
elif opts.svvp:
top_yml = cfg_path + 'svvp.yml'
tmpl_path = tmpl_path + 'svvp/'
elif opts.custom:
top_yml = opts.custom
tmpl_path = tmpl_path + 'custom/'
else:
print("Select an option: WHQL, SVVP or Custom (See help for more info)")
sys.exit(2)
logger.info("- Using config file: %s" % top_yml)
with open(top_yml, 'r') as f:
cfg = yaml.load(f)
lv = libvirt.open('qemu:///system')
logger.info("- Setting up networks")
net_setup_all(lv, tmpl_path + 'net_template.xml', cfg_path + cfg['net'])
with open(cfg_path + "os_repo.yml", 'r') as f:
os_list = yaml.load(f)
logger.info("- Creating images")
for vm in cfg['vms']:
# Gather each VM config
settings = vm_settings(vm, cfg)
# Create just one floppy disk per OS
os_version = cfg['vms'][vm]['os']
floppy_path = config.HOME_DIR + '/floppy' + os_version + '.img'
if os.path.exists(floppy_path) is False:
with open(config.HOME_DIR + '/log/floppy_' + vm + '_contents.log', 'w+') as f:
call(["./gen_floppy.sh", floppy_path], stdout=f)
# Create VM
logger.info("- Creating VM %s" % cfg['vms'][vm]['name'])
vm_setup(lv, tmpl_path + 'dom_template.xml', settings)
# Fork VMs Monitor
wait_time = config.WIN_INSTALL_TIMEOUT
logger.info("VM status will be checked in %d seconds" % wait_time)
for vm in cfg['vms']:
monitor_install = mp.Process(target=check_timeout, args=(cfg, cfg['vms'][vm]['name'], wait_time, "os_install"))
monitor_install.start()
ev_cfg = {
'net_cfg': cfg_path + cfg['net']
}
# Fork event server
event_server = mp.Process(target=start_event_server, args=(ev_cfg,))
event_server.start()
event_server.join()
logger.info("The number of failed tests is %d" % event_server.exitcode)
os._exit(int(event_server.exitcode))
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