def __init__(self):
# We have to send a dummy tenant name here since the client
# needs some tenant name, but the tenant name will not be used
# since the extensions URL does not require it
LOG.debug("Initializing Cisco Quantum VIF driver...")
client = Client(HOST,
PORT,
USE_SSL,
format='json',
version=VERSION,
uri_prefix="",
tenant="dummy",
logger=LOG)
request_url = "/extensions"
data = client.do_request('GET', request_url)
LOG.debug("Obtained supported extensions from Quantum: %s" % data)
for ext in data['extensions']:
name = ext['name']
if name == CSCO_EXT_NAME:
LOG.debug("Quantum plugin supports required \"%s\" extension"
"for the VIF driver." % name)
return
LOG.error("Quantum plugin does not support required \"%s\" extension"
" for the VIF driver. nova-compute will quit." %
CSCO_EXT_NAME)
raise excp.ServiceUnavailable()
def _schedule(self, context, topic, request_spec, **kwargs):
"""Gets the host name from the Quantum service"""
LOG.debug("Cisco Quantum Port-aware Scheduler is scheduling...")
instance_id = request_spec['instance_properties']['uuid']
user_id = request_spec['instance_properties']['user_id']
project_id = request_spec['instance_properties']['project_id']
instance_data_dict = {'novatenant':
{'instance_id': instance_id,
'instance_desc':
{'user_id': user_id,
'project_id': project_id}}}
client = Client(HOST, PORT, USE_SSL, format='json', version=VERSION,
uri_prefix=URI_PREFIX_CSCO, tenant=TENANT_ID,
logger=LOG)
request_url = "/novatenants/" + project_id + ACTION
data = client.do_request('PUT', request_url, body=instance_data_dict)
hostname = data["host_list"]["host_1"]
if not hostname:
raise excp.NoValidHost(_("Scheduler was unable to locate a host"
" for this request. Is the appropriate"
" service running?"))
LOG.debug(_("Quantum service returned host: %s") % hostname)
return hostname
def schedule_host(tenant_id, instance_id, user_id=None):
"""Gets the host name from the Quantum service"""
project_id = tenant_id
instance_data_dict = {
'novatenant': {
'instance_id': instance_id,
'instance_desc': {
'user_id': user_id,
'project_id': project_id,
},
},
}
request_url = "/novatenants/" + project_id + "/schedule_host"
client = Client(HOST,
PORT,
USE_SSL,
format='json',
tenant=TENANT_ID,
version=VERSION,
uri_prefix=URI_PREFIX_CSCO)
data = client.do_request('PUT', request_url, body=instance_data_dict)
hostname = data["host_list"]["host_1"]
if not hostname:
print(
"Scheduler was unable to locate a host"
" for this request. Is the appropriate"
" service running?")
print("Quantum service returned host: %s" % hostname)
def list_extensions(*args):
"""Invoking the action to get the supported extensions"""
request_url = "/extensions"
client = Client(HOST,
PORT,
USE_SSL,
format='json',
version=VERSION,
uri_prefix=URI_PREFIX_EXT,
tenant="dummy")
data = client.do_request('GET', request_url)
print("Obtained supported extensions from Quantum: %s" % data)
def _update_configurations(self, instance, network, mapping, action):
"""Gets the device name and the profile name from Quantum"""
LOG.debug("Cisco Quantum VIF driver performing: %s" % (action))
instance_id = instance['uuid']
user_id = instance['user_id']
project_id = instance['project_id']
vif_id = mapping['vif_uuid']
instance_data_dict = {
'novatenant': {
'instance_id': instance_id,
'instance_desc': {
'user_id': user_id,
'project_id': project_id,
'vif_id': vif_id
}
}
}
client = Client(HOST,
PORT,
USE_SSL,
format='json',
version=VERSION,
uri_prefix=URI_PREFIX_CSCO,
tenant=TENANT_ID,
logger=LOG)
request_url = "/novatenants/" + project_id + action
data = client.do_request('PUT', request_url, body=instance_data_dict)
if action == ASSOCIATE_ACTION:
device = data['vif_desc']['device']
portprofile = data['vif_desc']['portprofile']
LOG.debug(_("Quantum provided the device: %s") % device)
LOG.debug(_("Quantum provided the portprofile: %s") % portprofile)
mac_id = mapping['mac'].replace(':', '')
result = {
'id': mac_id,
'mac_address': mapping['mac'],
'device_name': device,
'profile_name': portprofile,
}
return result
else:
return data
def create_multiport(tenant_id, networks_list, *args):
"""Creates ports on a single host"""
ports_info = {
'multiport': {
'status': 'ACTIVE',
'net_id_list': networks_list,
'ports_desc': {
'key': 'value'
}
}
}
request_url = "/multiport"
client = Client(HOST,
PORT,
USE_SSL,
format='json',
tenant=tenant_id,
action_prefix=servconts.ACTION_PREFIX_CSCO)
data = client.do_request('POST', request_url, body=ports_info)
return data
def connect_vm(tenant_id, vm_image_id, service_instance_id, *args):
"""
Starts a VMs and is connected to southbound network
"""
l2db.initialize()
client = Client(HOST, PORT, USE_SSL, format='json', tenant=tenant_id)
print("Connecting %s to Service %s " % (vm_image_id, service_instance_id))
service_logic = servlogcs.ServicesLogistics()
service_nets = sdb.get_service_bindings(service_instance_id)
client.create_port(service_nets.mngnet_id)
client.create_port(service_nets.nbnet_id)
sb_port_id = client.create_port(service_nets.sbnet_id)
LOG.debug("Operation 'create_port' executed.")
new_port_id = sb_port_id[servconts.PORT][servconts.ID]
try:
create_vm_args = []
create_vm_args.append(servconts.CREATE_VM_CMD)
create_vm_args.append(vm_image_id)
print("Creating VM with image: %s" % (vm_image_id))
process = utils.subprocess_popen(create_vm_args,
stdout=subprocess.PIPE)
result = process.stdout.readlines()
tokens = re.search("i-[a-f0-9]*", str(result[1]))
vm_name = tokens.group(0)
print("Image: %s instantiated successfully" % (vm_name))
except Exception as exc:
print exc
service_logic.image_status(vm_name)
print "Completed"
print "Attaching Ports To VM Service interfaces"
south_net = service_nets.sbnet_id
attachment = client.show_port_attachment(south_net, new_port_id)
attachment = attachment[servconts.ATTACHMENT][servconts.ID][:36]
LOG.debug(("Plugging virtual interface: %s of VM %s "
"into port: %s on network: %s") %
(attachment, vm_name, new_port_id, service_nets.sbnet_id))
attach_data = {servconts.ATTACHMENT: {servconts.ID: '%s' % attachment}}
client.attach_resource(service_nets.sbnet_id, new_port_id, attach_data)
print("Connect VM Ended")
def delete_service(tenant_id, service_instance_id, *args):
"""
Removes a service and all the network configuration
"""
l2db.initialize()
print("Terminating Service VM")
service_logic = servlogcs.ServicesLogistics()
vms_list = []
vms_list.append(servconts.DELETE_VM_CMD)
vms_list.append(service_instance_id)
if not service_logic.image_exist(service_instance_id):
print("Service VM does not exist")
sys.exit()
result = subprocess.call(vms_list)
service_logic.image_shutdown_verification(service_instance_id)
client = Client(HOST, PORT, USE_SSL, format='json', tenant=tenant_id)
service_nets = sdb.get_service_bindings(service_instance_id)
print("Terminating Ports and Networks")
network_name = db.network_get(service_nets.mngnet_id)
port_id_net = db.port_list(service_nets.mngnet_id)
for ports_uuid in port_id_net:
client.delete_port(service_nets.mngnet_id, ports_uuid.uuid)
client.delete_network(service_nets.mngnet_id)
network_name = db.network_get(service_nets.nbnet_id)
port_id_net = db.port_list(service_nets.nbnet_id)
for ports_uuid in port_id_net:
client.delete_port(service_nets.nbnet_id, ports_uuid.uuid)
client.delete_network(service_nets.nbnet_id)
network_name = db.network_get(service_nets.sbnet_id)
port_id_net = db.port_list(service_nets.sbnet_id)
for ports_uuid in port_id_net:
client.delete_port(service_nets.sbnet_id, ports_uuid.uuid)
client.delete_network(service_nets.sbnet_id)
service_list = sdb.remove_services_binding(service_instance_id)
print("Configuration Removed Successfully")
def create_multiport(tenant_id, net_id_list, *args):
"""Creates ports on a single host"""
net_list = net_id_list.split(",")
ports_info = {
'multiport': {
'status': 'ACTIVE',
'net_id_list': net_list,
'ports_desc': {
'key': 'value'
}
}
}
request_url = "/multiport"
client = Client(HOST,
PORT,
USE_SSL,
format='json',
tenant=tenant_id,
version=VERSION,
uri_prefix=URI_PREFIX_CSCO)
data = client.do_request('POST', request_url, body=ports_info)
print("Created ports: %s" % data)
def insert_inpath_service(tenant_id, service_image_id, management_net_name,
northbound_net_name, southbound_net_name, *args):
"""Inserting a network service between two networks"""
print("Creating Network for Services and Servers")
service_logic = servlogcs.ServicesLogistics()
net_list = {}
multiport_net_list = []
networks_name_list = [
management_net_name, northbound_net_name, southbound_net_name
]
client = Client(HOST, PORT, USE_SSL, format='json', tenant=tenant_id)
for net in networks_name_list:
data = {servconts.NETWORK: {servconts.NAME: net}}
net_list[net] = client.create_network(data)
net_list[net][servconts.PORTS] = []
LOG.debug("Network %s Created with ID: %s " %
(net, net_list[net][servconts.NETWORK][servconts.ID]))
print "Completed"
print("Creating Ports on Services and Server Networks")
LOG.debug("Operation 'create_port' executed.")
if not service_logic.verify_plugin(const.UCS_PLUGIN):
for net in networks_name_list:
net_list[net][servconts.PORTS].append
(client.create_port(
net_list[net][servconts.NETWORK][servconts.ID]))
LOG.debug("Operation 'create_port' executed.")
else:
for net in networks_name_list:
nets = net_list[net][servconts.NETWORK][servconts.ID]
multiport_net_list.append(nets)
data = create_multiport(tenant_id, multiport_net_list)
net_idx = 0
for net in networks_name_list:
port_id = data[servconts.PORTS][net_idx][servconts.ID]
net_list[net][servconts.PORTS].append(port_id)
LOG.debug("Port UUID: %s on network: %s" %
(data[servconts.PORTS][net_idx][servconts.ID], net))
net_idx = net_idx + 1
print "Completed"
try:
create_vm_args = []
create_vm_args.append(servconts.CREATE_VM_CMD)
create_vm_args.append(service_image_id)
print("Creating VM with image: %s" % (service_image_id))
process = subprocess.Popen(create_vm_args, stdout=subprocess.PIPE)
result = process.stdout.readlines()
tokens = re.search("i-[a-f0-9]*", str(result[1]))
service_vm_name = tokens.group(0)
print("Image: %s instantiated successfully" % (service_vm_name))
except Exception as exc:
print exc
service_logic.image_status(service_vm_name)
print "Completed"
print "Attaching Ports To VM Service interfaces"
try:
idx = 0
for net in networks_name_list:
network_id = net_list[net][servconts.NETWORK][servconts.ID]
port_id = net_list[net][servconts.PORTS][idx]
attachment = client.show_port_attachment(network_id, port_id)
attachment = attachment[servconts.ATTACHMENT][servconts.ID][:36]
LOG.debug(("Plugging virtual interface: %s of VM %s"
"into port: %s on network: %s") %
(attachment, service_vm_name, port_id, net))
attach_data = {
servconts.ATTACHMENT: {
servconts.ID: '%s' % attachment
}
}
client.attach_resource(network_id, port_id, attach_data)
except Exception as exc:
print exc
print "Completed"
try:
LOG.debug("Registering Service in DB")
l2db.initialize()
for uuid_net in db.network_id(networks_name_list[0]):
mngnet_id = str(uuid_net.uuid)
for uuid_net in db.network_id(networks_name_list[1]):
nbnet_id = str(uuid_net.uuid)
for uuid_net in db.network_id(networks_name_list[2]):
sbnet_id = str(uuid_net.uuid)
sdb.add_services_binding(service_vm_name, mngnet_id, nbnet_id,
sbnet_id)
except Exception as exc:
print exc
