def up(self):
"""
Set up the topology.
"""
nova = novaclient.Client('2', session=self.session)
neutron = neutronclient.Client(endpoint_url=self.neutron_endpoint,
token=self.token)
neutron_if = NeutronIF()
# Create nets
logging.info('Creating networks...')
try:
for i in range(len(self.instances)):
self.nets.append(self._create_net(neutron=neutron,
net_name=self.net_names[i]))
except Exception as e:
logging.error('ERROR at creating networks:')
logging.error(e)
else:
logging.info('Success!')
# Create subnets into the created nets
logging.info('Creating subnetworks...')
try:
for i in range(len(self.instances)):
self.subnets.append(self._create_subnet(neutron=neutron,
subnet_name=self.subnet_names[i],
subnet_prefix=self.net_prefixes[i],
net_id=self.nets[i]['id']))
except Exception as e:
logging.error('ERROR at creating subnetworks')
logging.error(e)
else:
logging.info('Success!')
# Create router and connect to net
logging.info('Creating router...')
try:
self._create_router(neutron=neutron, nova=nova,
net_name=self.net_names[0],
router_name=self.router_name[0],
port_names=self.router_ports)
self._create_router(neutron=neutron, nova=nova,
net_name=self.net_names[1:],
router_name=self.router_name[1])
except Exception as e:
logging.error('ERROR at creating router')
logging.error(e)
else:
logging.info('Success!')
# Boot the load balancer instance
logging.info('Booting load balancer instance')
self._boot_instance(nova=nova, image=self.images[0],
flavor=self.flavors[0], nets=self.net_names[:2],
key_name=self.key_names[0],
secgroups=self.secgroups[0],
name='loadbalancer', userdata=self.userdata[0],
count=self.instances[0])
logging.info('Success!')
# Boot the server instances
logging.info("Booting server instances")
try:
self._boot_instance(nova=nova, image=self.images[1],
flavor=self.flavors[1], nets=self.net_names[1:],
key_name=self.key_names[1],
secgroups=self.secgroups[1],
name='server', userdata=self.userdata[1],
count=self.instances[1] )
except Exception as e:
logging.error('ERROR when creating servers')
logging.error(e)
else:
logging.info('Success!')
# Boot the storage instances
logging.info('Booting storage instances')
try:
self._boot_instance(nova=nova, image=self.images[2],
flavor=self.flavors[2], nets=self.net_names[2],
key_name=self.key_names[2],
secgroups=self.secgroups[2],
name='persist_1', count=1,
userdata=self.userdata[2],
fixed_ip=[self.fixed_ips[2]])
self._boot_instance(nova=nova, image=self.images[2],
flavor=self.flavors[2], nets=self.net_names[2],
key_name=self.key_names[2],
secgroups=self.secgroups[2],
name='persist_2', count=1,
userdata=self.userdata[3],
fixed_ip=[self.fixed_ips[3]])
except Exception as e:
logging.error('ERROR when creating storage instances')
logging.error(e)
else:
logging.info('Success!')
# Allocate a floating IP and associate to balancer instance
logging.info('Allocating IP')
try:
for server in nova.servers.list():
if server.name == 'loadbalancer':
id_ = server.id
nova.floating_ips.create(pool='ExtNet')
floating_ips = nova.floating_ips.list()
floating_ip = floating_ips[0].ip
nova.servers.add_floating_ip(server=id_,
address=floating_ip)
except Exception as e:
logging.error('ERROR when allocating IP')
logging.error(e)
else:
logging.info('Success!')
# Create Firewall
logging.info('Creating FWaaS')
try:
for fw_rule in self.fw_opts['rules']:
neutron_if.firewall_rule_create(fw_rule)
neutron_if.firewall_policy_create(name=self.fw_opts['policy_name'],
fw_rules=self.fw_opts['policy_rules'])
neutron_if.firewall_create(name=self.fw_opts['fw_name'],
fw_policy=self.fw_opts['policy_name'],
router=self.fw_opts['fw_router'])
except Exception as e:
logging.error('ERROR at creating FWaaS')
logging.error(e)
else:
logging.info('Success!')
def drop(self):
"""
Drops the All Topology, which is the topology of all the elements
in the tenant,
"""
nova = novaclient.Client('2', session=self.session)
neutron = neutronclient.Client(endpoint_url=self.neutron_endpoint,
token=self.token)
neutron_if = NeutronIF()
# Remove FWaaS
logging.info('Removing FWaaS')
try:
for fw in neutron_if.firewall_list():
neutron_if.firewall_delete(fw.get('id'))
for policy in neutron_if.firewall_policy_list():
neutron_if.firewall_policy_delete(policy.get('id'))
for rule in neutron_if.firewall_rule_list():
neutron_if.firewall_rule_delete(id_=rule.get('id'))
except Exception as e:
logging.error('ERROR at removing FWaaS')
logging.error(e)
else:
logging.info('Success!')
# Deallocate floating IPs
logging.info('Deallocating floating IPs')
try:
floating_ips = nova.floating_ips.list()
for f_ip in floating_ips:
nova.servers.remove_floating_ip(server=f_ip.instance_id,
address=f_ip.ip)
nova.floating_ips.delete(f_ip.id)
except Exception as e:
logging.error('ERROR at deallocating floating IPs')
logging.error(e)
else:
logging.info('Success!')
# Delete routers
logging.info('Deleting routers...')
try:
routers = neutron_if.router_list()
for router in routers:
id_ = router['id']
# Delete gateway
neutron_if.router_gateway_clear(router_id=id_)
# Get router ports
interfaces = neutron_if.router_port_list(router_id=id_)
# Delete interfaces the router is connected to
for interface in interfaces:
port_id = interface.get('id')
neutron_if.router_interface_delete(router_id=id_,
port_id=port_id)
# Delete router
neutron_if.router_delete(router_id=id_)
except Exception as e:
logging.error('Error at deleting routers')
logging.error(e)
else:
logging.info('Success!')
# Delete instances
logging.info('Deleting instances...')
try:
servers = nova.servers.list()
for server in servers:
server.delete()
except Exception as e:
logging.error('Error at deleting the instances')
logging.error(e)
else:
logging.info('Success!')
time.sleep(5)
# Delete networks
logging.info('Deleting subnets and nets...')
try:
networks = neutron.list_networks()['networks']
for network in networks:
if network['name'] == 'ExtNet':
continue
id_ = network['id']
for subnet in network['subnets']:
neutron.delete_subnet(subnet)
neutron.delete_network(id_)
except Exception as e:
logging.error('Error at deleting the subnets and nets')
logging.error(e)
else:
logging.info('Success!')