295 lines
13 KiB
Python
295 lines
13 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
#
|
|
# Copyright 2011 Cisco Systems, Inc. All rights reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
#
|
|
# @author: Sumit Naiksatam, Cisco Systems, Inc.
|
|
#
|
|
|
|
import logging as LOG
|
|
|
|
from quantum.common import exceptions as exc
|
|
from quantum.plugins.cisco.common import cisco_configuration as conf
|
|
from quantum.plugins.cisco.common import cisco_constants as const
|
|
from quantum.plugins.cisco.common import cisco_credentials as cred
|
|
from quantum.plugins.cisco.common import cisco_exceptions as cexc
|
|
from quantum.plugins.cisco.ucs import cisco_ucs_network_driver
|
|
from quantum.plugins.cisco.common import cisco_utils as cutil
|
|
|
|
LOG.basicConfig(level=LOG.WARN)
|
|
LOG.getLogger(const.LOGGER_COMPONENT_NAME)
|
|
|
|
|
|
class UCSVICPlugin(object):
|
|
_networks = {}
|
|
|
|
def __init__(self):
|
|
self._client = cisco_ucs_network_driver.CiscoUCSMDriver()
|
|
self._utils = cutil.DBUtils()
|
|
# TODO (Sumit) This is for now, when using only one chassis
|
|
self._ucsm_ip = conf.UCSM_IP_ADDRESS
|
|
self._ucsm_username = cred.Store.getUsername(conf.UCSM_IP_ADDRESS)
|
|
self._ucsm_password = cred.Store.getPassword(conf.UCSM_IP_ADDRESS)
|
|
# TODO (Sumit) Make the counter per UCSM
|
|
self._port_profile_counter = 0
|
|
|
|
def get_all_networks(self, tenant_id):
|
|
"""
|
|
Returns a dictionary containing all
|
|
<network_uuid, network_name> for
|
|
the specified tenant.
|
|
"""
|
|
LOG.debug("UCSVICPlugin:get_all_networks() called\n")
|
|
return self._networks.values()
|
|
|
|
def create_network(self, tenant_id, net_name, net_id, vlan_name, vlan_id):
|
|
"""
|
|
Creates a new Virtual Network, and assigns it
|
|
a symbolic name.
|
|
"""
|
|
LOG.debug("UCSVICPlugin:create_network() called\n")
|
|
self._client.create_vlan(vlan_name, str(vlan_id), self._ucsm_ip,
|
|
self._ucsm_username, self._ucsm_password)
|
|
new_net_dict = {const.NET_ID: net_id,
|
|
const.NET_NAME: net_name,
|
|
const.NET_PORTS: {},
|
|
const.NET_VLAN_NAME: vlan_name,
|
|
const.NET_VLAN_ID: vlan_id}
|
|
self._networks[net_id] = new_net_dict
|
|
return new_net_dict
|
|
|
|
def delete_network(self, tenant_id, net_id):
|
|
"""
|
|
Deletes the network with the specified network identifier
|
|
belonging to the specified tenant.
|
|
"""
|
|
LOG.debug("UCSVICPlugin:delete_network() called\n")
|
|
net = self._networks.get(net_id)
|
|
# TODO (Sumit) : Verify that no attachments are plugged into the
|
|
# network
|
|
if net:
|
|
# TODO (Sumit) : Before deleting the network, make sure all the
|
|
# ports associated with this network are also deleted
|
|
self._client.delete_vlan(net[const.NET_VLAN_NAME], self._ucsm_ip,
|
|
self._ucsm_username, self._ucsm_password)
|
|
self._networks.pop(net_id)
|
|
return net
|
|
raise exc.NetworkNotFound(net_id=net_id)
|
|
|
|
def get_network_details(self, tenant_id, net_id):
|
|
"""
|
|
Deletes the Virtual Network belonging to a the
|
|
spec
|
|
"""
|
|
LOG.debug("UCSVICPlugin:get_network_details() called\n")
|
|
network = self._get_network(tenant_id, net_id)
|
|
return network
|
|
|
|
def rename_network(self, tenant_id, net_id, new_name):
|
|
"""
|
|
Updates the symbolic name belonging to a particular
|
|
Virtual Network.
|
|
"""
|
|
LOG.debug("UCSVICPlugin:rename_network() called\n")
|
|
network = self._get_network(tenant_id, net_id)
|
|
network[const.NET_NAME] = new_name
|
|
return network
|
|
|
|
def get_all_ports(self, tenant_id, net_id):
|
|
"""
|
|
Retrieves all port identifiers belonging to the
|
|
specified Virtual Network.
|
|
"""
|
|
LOG.debug("UCSVICPlugin:get_all_ports() called\n")
|
|
network = self._get_network(tenant_id, net_id)
|
|
ports_on_net = network[const.NET_PORTS].values()
|
|
return ports_on_net
|
|
|
|
def create_port(self, tenant_id, net_id, port_state, port_id):
|
|
"""
|
|
Creates a port on the specified Virtual Network.
|
|
"""
|
|
LOG.debug("UCSVICPlugin:create_port() called\n")
|
|
net = self._get_network(tenant_id, net_id)
|
|
ports = net[const.NET_PORTS]
|
|
# TODO (Sumit): This works on a single host deployment,
|
|
# in multi-host environment, dummy needs to be replaced with the
|
|
# hostname
|
|
dynamic_nic_name = self._client.get_dynamic_nic("dummy")
|
|
new_port_profile = self._create_port_profile(tenant_id, net_id,
|
|
port_id,
|
|
conf.DEFAULT_VLAN_NAME,
|
|
conf.DEFAULT_VLAN_ID)
|
|
profile_name = new_port_profile[const.PROFILE_NAME]
|
|
sql_query = "INSERT INTO ports (port_id, profile_name, dynamic_vnic," \
|
|
"host, instance_name, instance_nic_name, used) VALUES" \
|
|
"('%s', '%s', '%s', 'dummy', NULL, NULL, 0)" % \
|
|
(port_id, profile_name, dynamic_nic_name)
|
|
self._utils.execute_db_query(sql_query)
|
|
new_port_dict = {const.PORT_ID: port_id,
|
|
const.PORT_STATE: const.PORT_UP,
|
|
const.ATTACHMENT: None,
|
|
const.PORT_PROFILE: new_port_profile}
|
|
ports[port_id] = new_port_dict
|
|
return new_port_dict
|
|
|
|
def delete_port(self, tenant_id, net_id, port_id):
|
|
"""
|
|
Deletes a port on a specified Virtual Network,
|
|
if the port contains a remote interface attachment,
|
|
the remote interface should first be un-plugged and
|
|
then the port can be deleted.
|
|
"""
|
|
LOG.debug("UCSVICPlugin:delete_port() called\n")
|
|
port = self._get_port(tenant_id, net_id, port_id)
|
|
if port[const.ATTACHMENT]:
|
|
raise exc.PortInUse(net_id=net_id, port_id=port_id,
|
|
att_id=port[const.ATTACHMENT])
|
|
try:
|
|
#TODO (Sumit): Before deleting port profile make sure that there
|
|
# is no VM using this port profile
|
|
self._client.release_dynamic_nic("dummy")
|
|
port_profile = port[const.PORT_PROFILE]
|
|
self._delete_port_profile(port_id,
|
|
port_profile[const.PROFILE_NAME])
|
|
sql_query = "delete from ports where port_id = \"%s\"" % \
|
|
(port[const.PORT_ID])
|
|
self._utils.execute_db_query(sql_query)
|
|
net = self._get_network(tenant_id, net_id)
|
|
net[const.NET_PORTS].pop(port_id)
|
|
except KeyError:
|
|
raise exc.PortNotFound(net_id=net_id, port_id=port_id)
|
|
|
|
def update_port(self, tenant_id, net_id, port_id, port_state):
|
|
"""
|
|
Updates the state of a port on the specified Virtual Network.
|
|
"""
|
|
LOG.debug("UCSVICPlugin:update_port() called\n")
|
|
port = self._get_port(tenant_id, net_id, port_id)
|
|
self._validate_port_state(port_state)
|
|
port[const.PORT_STATE] = port_state
|
|
return port
|
|
|
|
def get_port_details(self, tenant_id, net_id, port_id):
|
|
"""
|
|
This method allows the user to retrieve a remote interface
|
|
that is attached to this particular port.
|
|
"""
|
|
LOG.debug("UCSVICPlugin:get_port_details() called\n")
|
|
return self._get_port(tenant_id, net_id, port_id)
|
|
|
|
def plug_interface(self, tenant_id, net_id, port_id, remote_interface_id):
|
|
"""
|
|
Attaches a remote interface to the specified port on the
|
|
specified Virtual Network.
|
|
"""
|
|
LOG.debug("UCSVICPlugin:plug_interface() called\n")
|
|
self._validate_attachment(tenant_id, net_id, port_id,
|
|
remote_interface_id)
|
|
port = self._get_port(tenant_id, net_id, port_id)
|
|
if port[const.ATTACHMENT]:
|
|
raise exc.PortInUse(net_id=net_id, port_id=port_id,
|
|
att_id=port[const.ATTACHMENT])
|
|
port[const.ATTACHMENT] = remote_interface_id
|
|
port_profile = port[const.PORT_PROFILE]
|
|
profile_name = port_profile[const.PROFILE_NAME]
|
|
old_vlan_name = port_profile[const.PROFILE_VLAN_NAME]
|
|
new_vlan_name = self._get_vlan_name_for_network(tenant_id, net_id)
|
|
new_vlan_id = self._get_vlan_id_for_network(tenant_id, net_id)
|
|
self._client.change_vlan_in_profile(profile_name, old_vlan_name,
|
|
new_vlan_name, self._ucsm_ip,
|
|
self._ucsm_username,
|
|
self._ucsm_password)
|
|
port_profile[const.PROFILE_VLAN_NAME] = new_vlan_name
|
|
port_profile[const.PROFILE_VLAN_ID] = new_vlan_id
|
|
|
|
def unplug_interface(self, tenant_id, net_id, port_id):
|
|
"""
|
|
Detaches a remote interface from the specified port on the
|
|
specified Virtual Network.
|
|
"""
|
|
LOG.debug("UCSVICPlugin:unplug_interface() called\n")
|
|
port = self._get_port(tenant_id, net_id, port_id)
|
|
port[const.ATTACHMENT] = None
|
|
port_profile = port[const.PORT_PROFILE]
|
|
profile_name = port_profile[const.PROFILE_NAME]
|
|
old_vlan_name = port_profile[const.PROFILE_VLAN_NAME]
|
|
new_vlan_name = conf.DEFAULT_VLAN_NAME
|
|
self._client.change_vlan_in_profile(profile_name, old_vlan_name,
|
|
new_vlan_name, self._ucsm_ip,
|
|
self._ucsm_username,
|
|
self._ucsm_password)
|
|
port_profile[const.PROFILE_VLAN_NAME] = conf.DEFAULT_VLAN_NAME
|
|
port_profile[const.PROFILE_VLAN_ID] = conf.DEFAULT_VLAN_ID
|
|
|
|
def _get_profile_name(self, port_id):
|
|
profile_name = conf.PROFILE_NAME_PREFIX + port_id
|
|
return profile_name
|
|
|
|
def _validate_port_state(self, port_state):
|
|
if port_state.upper() not in (const.PORT_UP, const.PORT_DOWN):
|
|
raise exc.StateInvalid(port_state=port_state)
|
|
return True
|
|
|
|
def _validate_attachment(self, tenant_id, network_id, port_id,
|
|
remote_interface_id):
|
|
network = self._get_network(tenant_id, network_id)
|
|
for port in network[const.NET_PORTS].values():
|
|
if port[const.ATTACHMENT] == remote_interface_id:
|
|
raise exc.AlreadyAttached(net_id=network_id,
|
|
port_id=port_id,
|
|
att_id=port[const.ATTACHMENT],
|
|
att_port_id=port[const.PORT_ID])
|
|
|
|
def _get_network(self, tenant_id, network_id):
|
|
network = self._networks.get(network_id)
|
|
if not network:
|
|
raise exc.NetworkNotFound(net_id=network_id)
|
|
return network
|
|
|
|
def _get_vlan_name_for_network(self, tenant_id, network_id):
|
|
net = self._get_network(tenant_id, network_id)
|
|
vlan_name = net[const.NET_VLAN_NAME]
|
|
return vlan_name
|
|
|
|
def _get_vlan_id_for_network(self, tenant_id, network_id):
|
|
net = self._get_network(tenant_id, network_id)
|
|
vlan_id = net[const.NET_VLAN_ID]
|
|
return vlan_id
|
|
|
|
def _get_port(self, tenant_id, network_id, port_id):
|
|
net = self._get_network(tenant_id, network_id)
|
|
port = net[const.NET_PORTS].get(port_id)
|
|
if not port:
|
|
raise exc.PortNotFound(net_id=network_id, port_id=port_id)
|
|
return port
|
|
|
|
def _create_port_profile(self, tenant_id, net_id, port_id, vlan_name,
|
|
vlan_id):
|
|
if self._port_profile_counter >= int(conf.MAX_UCSM_PORT_PROFILES):
|
|
raise cexc.UCSMPortProfileLimit(net_id=net_id, port_id=port_id)
|
|
profile_name = self._get_profile_name(port_id)
|
|
self._client.create_profile(profile_name, vlan_name, self._ucsm_ip,
|
|
self._ucsm_username, self._ucsm_password)
|
|
self._port_profile_counter += 1
|
|
new_port_profile = {const.PROFILE_NAME: profile_name,
|
|
const.PROFILE_VLAN_NAME: vlan_name,
|
|
const.PROFILE_VLAN_ID: vlan_id}
|
|
return new_port_profile
|
|
|
|
def _delete_port_profile(self, port_id, profile_name):
|
|
self._client.delete_profile(profile_name, self._ucsm_ip,
|
|
self._ucsm_username, self._ucsm_password)
|
|
self._port_profile_counter -= 1
|