236 lines
9.4 KiB
Python
236 lines
9.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2011 Cisco Systems, Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# @author: Sumit Naiksatam, Cisco Systems Inc.
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#
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"""
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Implements a UCSM XML API Client
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"""
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import httplib
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import logging as LOG
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import string
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import subprocess
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from xml.etree import ElementTree as et
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import urllib
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from quantum.plugins.cisco.common import cisco_constants as const
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from quantum.plugins.cisco.common import cisco_exceptions as cexc
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from quantum.plugins.cisco.ucs import cisco_getvif as gvif
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LOG.basicConfig(level=LOG.WARN)
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LOG.getLogger(const.LOGGER_COMPONENT_NAME)
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COOKIE_VALUE = "cookie_placeholder"
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PROFILE_NAME = "profilename_placeholder"
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PROFILE_CLIENT = "profileclient_placeholder"
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VLAN_NAME = "vlanname_placeholder"
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VLAN_ID = "vlanid_placeholder"
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OLD_VLAN_NAME = "old_vlanname_placeholder"
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DYNAMIC_NIC_PREFIX = "eth"
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# The following are standard strings, messages used to communicate with UCSM,
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#only place holder values change for each message
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HEADERS = {"Content-Type": "text/xml"}
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METHOD = "POST"
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URL = "/nuova"
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CREATE_VLAN = "<configConfMos cookie=\"" + COOKIE_VALUE + \
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"\" inHierarchical=\"true\"> <inConfigs>" \
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"<pair key=\"fabric/lan/net-" + VLAN_NAME + \
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"\"> <fabricVlan defaultNet=\"no\" " \
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"dn=\"fabric/lan/net-" + VLAN_NAME + \
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"\" id=\"" + VLAN_ID + "\" name=\"" + \
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VLAN_NAME + "\" status=\"created\">" \
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"</fabricVlan> </pair> </inConfigs> </configConfMos>"
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CREATE_PROFILE = "<configConfMos cookie=\"" + COOKIE_VALUE + \
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"\" inHierarchical=\"true\"> <inConfigs>" \
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"<pair key=\"fabric/lan/profiles/vnic-" + PROFILE_NAME + \
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"\"> <vnicProfile descr=\"Profile created by " \
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"Cisco OpenStack Quantum Plugin\" " \
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"dn=\"fabric/lan/profiles/vnic-" + PROFILE_NAME + \
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"\" maxPorts=\"64\" name=\"" + PROFILE_NAME + \
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"\" nwCtrlPolicyName=\"\" pinToGroupName=\"\" " \
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"qosPolicyName=\"\" status=\"created\"> " \
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"<vnicEtherIf defaultNet=\"yes\" name=\"" + VLAN_NAME + \
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"\" rn=\"if-" + VLAN_NAME + "\" > </vnicEtherIf> " \
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"</vnicProfile> </pair> </inConfigs> </configConfMos>"
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ASSOCIATE_PROFILE = "<configConfMos cookie=\"" + COOKIE_VALUE + \
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"\" inHierarchical=\"true\"> <inConfigs> <pair " \
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"key=\"fabric/lan/profiles/vnic-" + PROFILE_NAME + \
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"/cl-" + PROFILE_CLIENT + "\"> <vmVnicProfCl dcName=\".*\" " \
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"descr=\"\" dn=\"fabric/lan/profiles/vnic-" + \
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PROFILE_NAME + "/cl-" + PROFILE_CLIENT + \
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"\"name=\"" + PROFILE_CLIENT + "\" orgPath=\".*\" " \
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"status=\"created\" swName=\"default$\"> </vmVnicProfCl>" \
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"</pair> </inConfigs> </configConfMos>"
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CHANGE_VLAN_IN_PROFILE = "<configConfMos cookie=\"" + COOKIE_VALUE + \
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"\" inHierarchical=\"true\"> <inConfigs>" \
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"<pair key=\"fabric/lan/profiles/vnic-" + \
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PROFILE_NAME + "\"> <vnicProfile descr=\"Profile " \
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"created by Cisco OpenStack Quantum Plugin\" " \
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"dn=\"fabric/lan/profiles/vnic-" + \
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PROFILE_NAME + "\" maxPorts=\"64\" name=\"" + \
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PROFILE_NAME + "\" nwCtrlPolicyName=\"\" " \
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"pinToGroupName=\"\" qosPolicyName=\"\" " \
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"status=\"created,modified\">" \
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"<vnicEtherIf rn=\"if-" + OLD_VLAN_NAME + \
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"\" status=\"deleted\"> </vnicEtherIf> <vnicEtherIf " \
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"defaultNet=\"yes\" name=\"" + \
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VLAN_NAME + "\" rn=\"if-" + VLAN_NAME + \
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"\" > </vnicEtherIf> </vnicProfile> </pair>" \
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"</inConfigs> </configConfMos>"
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DELETE_VLAN = "<configConfMos cookie=\"" + COOKIE_VALUE + \
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"\" inHierarchical=\"true\"> <inConfigs>" \
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"<pair key=\"fabric/lan/net-" + VLAN_NAME + \
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"\"> <fabricVlan dn=\"fabric/lan/net-" + VLAN_NAME + \
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"\" status=\"deleted\"> </fabricVlan> </pair> </inConfigs>" \
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"</configConfMos>"
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DELETE_PROFILE = "<configConfMos cookie=\"" + COOKIE_VALUE + \
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"\" inHierarchical=\"false\"> <inConfigs>" \
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"<pair key=\"fabric/lan/profiles/vnic-" + PROFILE_NAME + \
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"\"> <vnicProfile dn=\"fabric/lan/profiles/vnic-" + \
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PROFILE_NAME + "\" status=\"deleted\"> </vnicProfile>" \
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"</pair> </inConfigs> </configConfMos>"
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class CiscoUCSMDriver():
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def __init__(self):
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pass
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def _post_data(self, ucsm_ip, ucsm_username, ucsm_password, data):
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conn = httplib.HTTPConnection(ucsm_ip)
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login_data = "<aaaLogin inName=\"" + ucsm_username + \
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"\" inPassword=\"" + ucsm_password + "\" />"
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conn.request(METHOD, URL, login_data, HEADERS)
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response = conn.getresponse()
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response_data = response.read()
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LOG.debug(response.status)
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LOG.debug(response.reason)
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LOG.debug(response_data)
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# TODO (Sumit): If login is not successful, throw exception
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xmlTree = et.XML(response_data)
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cookie = xmlTree.attrib["outCookie"]
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data = data.replace(COOKIE_VALUE, cookie)
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LOG.debug("POST: %s" % data)
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conn.request(METHOD, URL, data, HEADERS)
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response = conn.getresponse()
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response_data = response.read()
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LOG.debug(response.status)
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LOG.debug(response.reason)
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LOG.debug("UCSM Response: %s" % response_data)
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logout_data = "<aaaLogout inCookie=\"" + cookie + "\" />"
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conn.request(METHOD, URL, logout_data, HEADERS)
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response = conn.getresponse()
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response_data = response.read()
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LOG.debug(response.status)
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LOG.debug(response.reason)
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LOG.debug(response_data)
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def _create_vlan_post_data(self, vlan_name, vlan_id):
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data = CREATE_VLAN.replace(VLAN_NAME, vlan_name)
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data = data.replace(VLAN_ID, vlan_id)
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return data
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def _create_profile_post_data(self, profile_name, vlan_name):
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data = CREATE_PROFILE.replace(PROFILE_NAME, profile_name)
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data = data.replace(VLAN_NAME, vlan_name)
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return data
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def _create_profile_client_post_data(self, profile_name,
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profile_client_name):
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data = ASSOCIATE_PROFILE.replace(PROFILE_NAME, profile_name)
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data = data.replace(PROFILE_CLIENT, profile_client_name)
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return data
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def _change_vlan_in_profile_post_data(self, profile_name, old_vlan_name,
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new_vlan_name):
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data = CHANGE_VLAN_IN_PROFILE.replace(PROFILE_NAME, profile_name)
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data = data.replace(OLD_VLAN_NAME, old_vlan_name)
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data = data.replace(VLAN_NAME, new_vlan_name)
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return data
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def _delete_vlan_post_data(self, vlan_name):
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data = DELETE_VLAN.replace(VLAN_NAME, vlan_name)
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return data
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def _delete_profile_post_data(self, profile_name):
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data = DELETE_PROFILE.replace(PROFILE_NAME, profile_name)
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return data
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def _get_next_dynamic_nic(self):
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dynamic_nic_id = gvif.get_next_dynic()
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if len(dynamic_nic_id) > 0:
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return dynamic_nic_id
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else:
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raise cisco_exceptions.NoMoreNics(net_id=net_id, port_id=port_id)
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def create_vlan(self, vlan_name, vlan_id, ucsm_ip, ucsm_username,
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ucsm_password):
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data = self._create_vlan_post_data(vlan_name, vlan_id)
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self._post_data(ucsm_ip, ucsm_username, ucsm_password, data)
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def create_profile(self, profile_name, vlan_name, ucsm_ip, ucsm_username,
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ucsm_password):
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data = self._create_profile_post_data(profile_name, vlan_name)
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self._post_data(ucsm_ip, ucsm_username, ucsm_password, data)
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data = self._create_profile_client_post_data(profile_name,
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profile_name[-16:])
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self._post_data(ucsm_ip, ucsm_username, ucsm_password, data)
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def change_vlan_in_profile(self, profile_name, old_vlan_name,
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new_vlan_name, ucsm_ip, ucsm_username,
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ucsm_password):
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data = self._change_vlan_in_profile_post_data(profile_name,
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old_vlan_name,
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new_vlan_name)
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self._post_data(ucsm_ip, ucsm_username, ucsm_password, data)
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def get_dynamic_nic(self, host):
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# TODO (Sumit): Check availability per host
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# TODO (Sumit): If not available raise exception
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# TODO (Sumit): This simple logic assumes that create-port and
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# spawn-VM happens in lock-step
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# But we should support multiple create-port calls,
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# followed by spawn-VM calls
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# That would require managing a pool of available
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# dynamic vnics per host
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dynamic_nic_name = self._get_next_dynamic_nic()
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LOG.debug("Reserving dynamic nic %s" % dynamic_nic_name)
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return dynamic_nic_name
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def delete_vlan(self, vlan_name, ucsm_ip, ucsm_username, ucsm_password):
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data = self._delete_vlan_post_data(vlan_name)
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self._post_data(ucsm_ip, ucsm_username, ucsm_password, data)
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def delete_profile(self, profile_name, ucsm_ip, ucsm_username,
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ucsm_password):
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data = self._delete_profile_post_data(profile_name)
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self._post_data(ucsm_ip, ucsm_username, ucsm_password, data)
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def release_dynamic_nic(self, host):
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# TODO (Sumit): Release on a specific host
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pass
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