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import common
import os
import yaml
import io
import re
N = common.N
E = common.E
R = common.R
RO = common.RO
exec_cmd = common.exec_cmd
parse = common.parse
err = common.err
P1 = re.compile('!\s.*')
class ConfigureNetwork(object):
def __init__(self, yaml_config_dir, network_yaml, env_id, dea):
self.yaml_config_dir = yaml_config_dir
self.network_yaml = network_yaml
self.env_id = env_id
self.dea = dea
def download_settings(self):
exec_cmd('fuel network --env %s --download --dir %s'
% (self.env_id, self.yaml_config_dir))
def upload_settings(self):
exec_cmd('fuel network --env %s --upload --dir %s'
% (self.env_id, self.yaml_config_dir))
def config_network(self):
self.download_settings()
self.apply_network_config()
self.upload_settings()
self.verify()
def apply_network_config(self):
with io.open(self.network_yaml) as stream:
network_config = yaml.load(stream)
networks = network_config['networks']
net = self.dea.get_networks()
net['fuelweb_admin'] = net['management']
if 'vlan' in net['fuelweb_admin']:
del net['fuelweb_admin']['vlan']
del net['management']
net_names = [n for n in net.iterkeys()]
for i in range(len(networks)):
if networks[i]['name'] == 'management':
networks = networks[:i] + networks[i+1:]
network_config['networks'] = networks
break
for network in networks:
name = network['name']
if name in net_names:
if ('vlan' in net[name] and net[name]['vlan'] is not None):
network['vlan_start'] = net[name]['vlan']
network['cidr'] = net[name]['cidr']
network['ip_ranges'][0][0] = net[name]['start']
network['ip_ranges'][0][1] = net[name]['end']
with io.open(self.network_yaml, 'w') as stream:
yaml.dump(network_config, stream, default_flow_style=False)
def verify(self):
ret = exec_cmd('mktemp -d')
temp_dir = ret.splitlines()[0]
exec_cmd('fuel network --env %s --download --dir %s'
% (self.env_id, temp_dir))
ret = exec_cmd('diff -C0 %s %s'
% (self.network_yaml,
temp_dir + '/network_%s.yaml' % self.env_id))
diff_list = []
for l in ret.splitlines():
m = P1.match(l)
if m and '_vip' not in l:
diff_list.append(l)
if diff_list:
err('Uploaded network yaml rejected by Fuel\n')
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