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##############################################################################
# Copyright (c) 2017 ZTE Coreporation and others.
# feng.xiaowei@zte.com.cn
# 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 glance
import neutron
import nova
def _config_admin_external_network():
name = 'admin_external'
body = {
'network': {
'name': name,
'admin_state_up': True,
'shared': False,
'provider:network_type': 'flat',
'provider:physical_network': 'physnet1',
'router:external': True
}
}
return name, body
def _config_admin_external_subnet(nid):
return {
'subnets': [
{
'name': 'admin_external_subnet',
'cidr': '172.10.101.0/24',
'ip_version': 4,
'network_id': nid,
'gateway_ip': '172.10.101.1',
'allocation_pools': [{
'start': '172.10.101.2',
'end': '172.10.101.12'
}],
'enable_dhcp': False
}
]
}
def _create_flavor_m1_micro():
name = 'm1.micro'
novaclient = nova.Nova()
if not novaclient.get_flavor_by_name(name):
try:
return novaclient.create_flavor(name, ram=64, vcpus=1, disk=0)
except Exception as error:
print ('_create_flavor_m1_micro failed: {}'.format(str(error)))
else:
print ('Use existing m1.micro flavor')
def _prepare_cirros():
url = 'http://download.cirros-cloud.net'
version = '0.3.5'
name = 'cirros-{}-x86_64-disk.img'.format(version)
img = os.path.join(os.path.abspath(os.path.dirname(__file__)), name)
if not os.path.isfile(img):
cmd = "wget %(url)s/%(version)s/%(name)s -O %(path)s" % {
'url': url,
'version': version,
'name': name,
'path': img}
try:
print ('Downloading cirros: {}'.format(cmd))
os.system(cmd)
except Exception as error:
print ('Download cirros failed: {}'.format(str(error)))
img = None
return img
def _create_image_TestVM():
glanceclient = glance.Glance()
image = 'TestVM'
if not glanceclient.get_by_name(image):
img = _prepare_cirros()
if img:
try:
glanceclient.create(image, img)
except Exception as error:
print ('Create image failed: {}'.format(str(error)))
else:
print ('Use existing TestVM image')
def main():
neutronclient = neutron.Neutron()
nid = neutronclient.create_network(*(_config_admin_external_network()))
neutronclient.create_subnet(_config_admin_external_subnet(nid))
_create_flavor_m1_micro()
_create_image_TestVM()
if __name__ == '__main__':
main()
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