""" # 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 inspect import logging import re from quantum.common import exceptions as exc from quantum.common import utils from quantum.quantum_plugin_base import QuantumPluginBase from quantum.plugins.cisco import l2network_plugin_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.common import cisco_utils as cutil from quantum.plugins.cisco.db import api as db from quantum.plugins.cisco.db import l2network_db as cdb LOG = logging.getLogger(__name__) class L2Network(QuantumPluginBase): """ L2 Network Framework Plugin """ supported_extension_aliases = ["Cisco Multiport", "Cisco Credential", "Cisco Port Profile", "Cisco qos", "Cisco Nova Tenant"] def __init__(self): cdb.initialize() cred.Store.initialize() self._model = utils.import_object(conf.MODEL_CLASS) self._vlan_mgr = utils.import_object(conf.MANAGER_CLASS) LOG.debug("L2Network plugin initialization done successfully\n") """ Core API implementation """ def get_all_networks(self, tenant_id): """ Returns a dictionary containing all for the specified tenant. """ LOG.debug("get_all_networks() called\n") self._invoke_device_plugins(self._func_name(), [tenant_id]) networks_list = db.network_list(tenant_id) new_networks_list = [] for network in networks_list: new_network_dict = cutil.make_net_dict(network[const.UUID], network[const.NETWORKNAME], []) new_networks_list.append(new_network_dict) return new_networks_list def create_network(self, tenant_id, net_name): """ Creates a new Virtual Network, and assigns it a symbolic name. """ LOG.debug("create_network() called\n") new_network = db.network_create(tenant_id, net_name) new_net_id = new_network[const.UUID] vlan_id = self._get_vlan_for_tenant(tenant_id, net_name) vlan_name = self._get_vlan_name(new_net_id, str(vlan_id)) self._invoke_device_plugins(self._func_name(), [tenant_id, net_name, new_net_id, vlan_name, vlan_id]) cdb.add_vlan_binding(vlan_id, vlan_name, new_net_id) new_net_dict = {const.NET_ID: new_net_id, const.NET_NAME: net_name, const.NET_PORTS: []} 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("delete_network() called\n") net = db.network_get(net_id) if net: if len(net[const.NETWORKPORTS]) > 0: ports_on_net = db.port_list(net_id) for port in ports_on_net: if port[const.INTERFACEID]: raise exc.NetworkInUse(net_id=net_id) for port in ports_on_net: self.delete_port(tenant_id, net_id, port[const.UUID]) self._invoke_device_plugins(self._func_name(), [tenant_id, net_id]) net_dict = cutil.make_net_dict(net[const.UUID], net[const.NETWORKNAME], []) self._release_vlan_for_tenant(tenant_id, net_id) cdb.remove_vlan_binding(net_id) db.network_destroy(net_id) return net_dict # Network not found raise exc.NetworkNotFound(net_id=net_id) def get_network_details(self, tenant_id, net_id): """ Gets the details of a particular network """ LOG.debug("get_network_details() called\n") network = db.network_get(net_id) self._invoke_device_plugins(self._func_name(), [tenant_id, net_id]) ports_list = network[const.NETWORKPORTS] ports_on_net = [] for port in ports_list: new_port = cutil.make_port_dict(port[const.UUID], port[const.PORTSTATE], port[const.NETWORKID], port[const.INTERFACEID]) ports_on_net.append(new_port) new_network = cutil.make_net_dict(network[const.UUID], network[const.NETWORKNAME], ports_on_net) return new_network def rename_network(self, tenant_id, net_id, new_name): """ Updates the symbolic name belonging to a particular Virtual Network. """ LOG.debug("rename_network() called\n") network = db.network_rename(tenant_id, net_id, new_name) self._invoke_device_plugins(self._func_name(), [tenant_id, net_id, new_name]) net_dict = cutil.make_net_dict(network[const.UUID], network[const.NETWORKNAME], []) return net_dict def get_all_ports(self, tenant_id, net_id): """ Retrieves all port identifiers belonging to the specified Virtual Network. """ LOG.debug("get_all_ports() called\n") network = db.network_get(net_id) self._invoke_device_plugins(self._func_name(), [tenant_id, net_id]) ports_list = network[const.NETWORKPORTS] ports_on_net = [] for port in ports_list: new_port = cutil.make_port_dict(port[const.UUID], port[const.PORTSTATE], port[const.NETWORKID], port[const.INTERFACEID]) ports_on_net.append(new_port) return ports_on_net def create_port(self, tenant_id, net_id, port_state=None): """ Creates a port on the specified Virtual Network. """ LOG.debug("create_port() called\n") port = db.port_create(net_id, port_state) unique_port_id_string = port[const.UUID] self._invoke_device_plugins(self._func_name(), [tenant_id, net_id, port_state, unique_port_id_string]) new_port_dict = cutil.make_port_dict(port[const.UUID], port[const.PORTSTATE], port[const.NETWORKID], port[const.INTERFACEID]) 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("delete_port() called\n") network = db.network_get(net_id) port = db.port_get(net_id, port_id) attachment_id = port[const.INTERFACEID] if not attachment_id: self._invoke_device_plugins(self._func_name(), [tenant_id, net_id, port_id]) db.port_destroy(net_id, port_id) new_port_dict = cutil.make_port_dict(port_id, None, None, None) return new_port_dict else: raise exc.PortInUse(port_id=port_id, net_id=net_id, att_id=attachment_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("update_port() called\n") network = db.network_get(net_id) self._invoke_device_plugins(self._func_name(), [tenant_id, net_id, port_id, port_state]) self._validate_port_state(port_state) db.port_set_state(net_id, port_id, port_state) new_port_dict = cutil.make_port_dict(port_id, port_state, net_id, None) return new_port_dict 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("get_port_details() called\n") network = db.network_get(net_id) self._invoke_device_plugins(self._func_name(), [tenant_id, net_id, port_id]) port = db.port_get(net_id, port_id) new_port_dict = cutil.make_port_dict(port[const.UUID], port[const.PORTSTATE], port[const.NETWORKID], port[const.INTERFACEID]) return new_port_dict def plug_interface(self, tenant_id, net_id, port_id, remote_interface_id): """ Provides connectivity to a remote interface to the specified Virtual Network. """ LOG.debug("plug_interface() called\n") network = db.network_get(net_id) port = db.port_get(net_id, port_id) attachment_id = port[const.INTERFACEID] if attachment_id == None: raise cexc.InvalidAttach(port_id=port_id, net_id=net_id, att_id=remote_interface_id) attachment_id = attachment_id[:const.UUID_LENGTH] remote_interface_id = remote_interface_id[:const.UUID_LENGTH] if remote_interface_id != attachment_id: LOG.debug("Existing attachment_id:%s, remote_interface_id:%s" % \ (attachment_id, remote_interface_id)) raise exc.PortInUse(port_id=port_id, net_id=net_id, att_id=attachment_id) self._invoke_device_plugins(self._func_name(), [tenant_id, net_id, port_id, attachment_id]) db.port_unset_attachment(net_id, port_id) db.port_set_attachment(net_id, port_id, attachment_id) #Note: The remote_interface_id gets associated with the port # when the VM is instantiated. The plug interface call results # in putting the port on the VLAN associated with this network def unplug_interface(self, tenant_id, net_id, port_id): """ Removes connectivity of a remote interface to the specified Virtual Network. """ LOG.debug("unplug_interface() called\n") network = db.network_get(net_id) port = db.port_get(net_id, port_id) attachment_id = port[const.INTERFACEID] if attachment_id == None: raise exc.InvalidDetach(port_id=port_id, net_id=net_id, att_id=remote_interface_id) self._invoke_device_plugins(self._func_name(), [tenant_id, net_id, port_id]) attachment_id = attachment_id[:const.UUID_LENGTH] attachment_id = attachment_id + const.UNPLUGGED db.port_unset_attachment(net_id, port_id) db.port_set_attachment(net_id, port_id, attachment_id) """ Extension API implementation """ def get_all_portprofiles(self, tenant_id): """Get all port profiles""" LOG.debug("get_all_portprofiles() called\n") pplist = cdb.get_all_portprofiles() new_pplist = [] for portprofile in pplist: new_pp = cutil.make_portprofile_dict(tenant_id, portprofile[const.UUID], portprofile[const.PPNAME], portprofile[const.PPQOS]) new_pplist.append(new_pp) return new_pplist def get_portprofile_details(self, tenant_id, profile_id): """Get port profile details""" LOG.debug("get_portprofile_details() called\n") try: portprofile = cdb.get_portprofile(tenant_id, profile_id) except Exception: raise cexc.PortProfileNotFound(tenant_id=tenant_id, portprofile_id=profile_id) new_pp = cutil.make_portprofile_dict(tenant_id, portprofile[const.UUID], portprofile[const.PPNAME], portprofile[const.PPQOS]) return new_pp def create_portprofile(self, tenant_id, profile_name, qos): """Create port profile""" LOG.debug("create_portprofile() called\n") portprofile = cdb.add_portprofile(tenant_id, profile_name, const.NO_VLAN_ID, qos) new_pp = cutil.make_portprofile_dict(tenant_id, portprofile[const.UUID], portprofile[const.PPNAME], portprofile[const.PPQOS]) return new_pp def delete_portprofile(self, tenant_id, profile_id): """Delete portprofile""" LOG.debug("delete_portprofile() called\n") try: portprofile = cdb.get_portprofile(tenant_id, profile_id) except Exception: raise cexc.PortProfileNotFound(tenant_id=tenant_id, portprofile_id=profile_id) plist = cdb.get_pp_binding(tenant_id, profile_id) if plist: raise cexc.PortProfileInvalidDelete(tenant_id=tenant_id, profile_id=profile_id) else: cdb.remove_portprofile(tenant_id, profile_id) def rename_portprofile(self, tenant_id, profile_id, new_name): """Rename port profile""" LOG.debug("rename_portprofile() called\n") try: portprofile = cdb.get_portprofile(tenant_id, profile_id) except Exception: raise cexc.PortProfileNotFound(tenant_id=tenant_id, portprofile_id=profile_id) portprofile = cdb.update_portprofile(tenant_id, profile_id, new_name) new_pp = cutil.make_portprofile_dict(tenant_id, portprofile[const.UUID], portprofile[const.PPNAME], portprofile[const.PPQOS]) return new_pp def associate_portprofile(self, tenant_id, net_id, port_id, portprofile_id): """Associate port profile""" LOG.debug("associate_portprofile() called\n") try: portprofile = cdb.get_portprofile(tenant_id, portprofile_id) except Exception: raise cexc.PortProfileNotFound(tenant_id=tenant_id, portprofile_id=portprofile_id) cdb.add_pp_binding(tenant_id, port_id, portprofile_id, False) def disassociate_portprofile(self, tenant_id, net_id, port_id, portprofile_id): """Disassociate port profile""" LOG.debug("disassociate_portprofile() called\n") try: portprofile = cdb.get_portprofile(tenant_id, portprofile_id) except Exception: raise cexc.PortProfileNotFound(tenant_id=tenant_id, portprofile_id=portprofile_id) cdb.remove_pp_binding(tenant_id, port_id, portprofile_id) def get_all_qoss(self, tenant_id): """Get all QoS levels""" LOG.debug("get_all_qoss() called\n") qoslist = cdb.get_all_qoss(tenant_id) return qoslist def get_qos_details(self, tenant_id, qos_id): """Get QoS Details""" LOG.debug("get_qos_details() called\n") try: qos_level = cdb.get_qos(tenant_id, qos_id) except Exception: raise cexc.QosNotFound(tenant_id=tenant_id, qos_id=qos_id) return qos_level def create_qos(self, tenant_id, qos_name, qos_desc): """Create a QoS level""" LOG.debug("create_qos() called\n") qos = cdb.add_qos(tenant_id, qos_name, str(qos_desc)) return qos def delete_qos(self, tenant_id, qos_id): """Delete a QoS level""" LOG.debug("delete_qos() called\n") try: qos_level = cdb.get_qos(tenant_id, qos_id) except Exception: raise cexc.QosNotFound(tenant_id=tenant_id, qos_id=qos_id) return cdb.remove_qos(tenant_id, qos_id) def rename_qos(self, tenant_id, qos_id, new_name): """Rename QoS level""" LOG.debug("rename_qos() called\n") try: qos_level = cdb.get_qos(tenant_id, qos_id) except Exception: raise cexc.QosNotFound(tenant_id=tenant_id, qos_id=qos_id) qos = cdb.update_qos(tenant_id, qos_id, new_name) return qos def get_all_credentials(self, tenant_id): """Get all credentials""" LOG.debug("get_all_credentials() called\n") credential_list = cdb.get_all_credentials(tenant_id) return credential_list def get_credential_details(self, tenant_id, credential_id): """Get a particular credential""" LOG.debug("get_credential_details() called\n") try: credential = cdb.get_credential(tenant_id, credential_id) except Exception: raise cexc.CredentialNotFound(tenant_id=tenant_id, credential_id=credential_id) return credential def create_credential(self, tenant_id, credential_name, user_name, password): """Create a new credential""" LOG.debug("create_credential() called\n") credential = cdb.add_credential(tenant_id, credential_name, user_name, password) return credential def delete_credential(self, tenant_id, credential_id): """Delete a credential""" LOG.debug("delete_credential() called\n") try: credential = cdb.get_credential(tenant_id, credential_id) except Exception: raise cexc.CredentialNotFound(tenant_id=tenant_id, credential_id=credential_id) credential = cdb.remove_credential(tenant_id, credential_id) return credential def rename_credential(self, tenant_id, credential_id, new_name): """Rename the particular credential resource""" LOG.debug("rename_credential() called\n") try: credential = cdb.get_credential(tenant_id, credential_id) except Exception: raise cexc.CredentialNotFound(tenant_id=tenant_id, credential_id=credential_id) credential = cdb.update_credential(tenant_id, credential_id, new_name) return credential def schedule_host(self, tenant_id, instance_id, instance_desc): """Provides the hostname on which a dynamic vnic is reserved""" LOG.debug("schedule_host() called\n") host_list = self._invoke_device_plugins(self._func_name(), [tenant_id, instance_id, instance_desc]) return host_list def associate_port(self, tenant_id, instance_id, instance_desc): """ Get the portprofile name and the device name for the dynamic vnic """ LOG.debug("associate_port() called\n") return self._invoke_device_plugins(self._func_name(), [tenant_id, instance_id, instance_desc]) def detach_port(self, tenant_id, instance_id, instance_desc): """ Remove the association of the VIF with the dynamic vnic """ LOG.debug("detach_port() called\n") return self._invoke_device_plugins(self._func_name(), [tenant_id, instance_id, instance_desc]) def create_multiport(self, tenant_id, net_id_list, port_state, ports_desc): """ Creates multiple ports on the specified Virtual Network. """ LOG.debug("create_ports() called\n") ports_num = len(net_id_list) ports_id_list = [] ports_dict_list = [] for net_id in net_id_list: port = db.port_create(net_id, port_state) ports_id_list.append(port[const.UUID]) port_dict = {const.PORT_ID: port[const.UUID]} ports_dict_list.append(port_dict) self._invoke_device_plugins(self._func_name(), [tenant_id, net_id_list, ports_num, ports_id_list]) return ports_dict_list """ Private functions """ def _invoke_device_plugins(self, function_name, args): """ All device-specific calls are delegated to the model """ return getattr(self._model, function_name)(args) def _get_vlan_for_tenant(self, tenant_id, net_name): """Get vlan ID""" return self._vlan_mgr.reserve_segmentation_id(tenant_id, net_name) def _release_vlan_for_tenant(self, tenant_id, net_id): """Relase VLAN""" return self._vlan_mgr.release_segmentation_id(tenant_id, net_id) def _get_vlan_name(self, net_id, vlan): """Getting the vlan name from the tenant and vlan""" vlan_name = conf.VLAN_NAME_PREFIX + vlan return vlan_name def _validate_port_state(self, port_state): """Checking the port state""" if port_state.upper() not in (const.PORT_UP, const.PORT_DOWN): raise exc.StateInvalid(port_state=port_state) return True def _func_name(self, offset=0): """Getting the name of the calling funciton""" return inspect.stack()[1 + offset][3]