fa9e303fe4
All configuration is driven through configuration files place in the conf directory. Each .ini conf file contains info on the configuration. README file updated to reflect all the changes. Fixed issue with delete_network deleting the network even when attachments were present. Fixed issue with port id generation.
258 lines
10 KiB
Python
258 lines
10 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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def main():
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client = CiscoUCSMDriver()
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#client.create_vlan("quantum-vlan-3", "3","172.20.231.27","admin",
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# "c3l12345")
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#client.create_profile("q-prof-3", "quantum-vlan-3","172.20.231.27",
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# "admin", "c3l12345")
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#client.get_dynamic_nic("dummy")
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#client.get_dynamic_nic("dummy")
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#client.release_dynamic_nic("dummy")
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print client.get_dynamic_nic("dummy")
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"""
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client.change_vlan_in_profile("br100", "default", "test-2",
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"172.20.231.27","admin",
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"c3l12345")
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client.change_vlan_in_profile("br100", "test-2", "default",
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"172.20.231.27", "admin", "c3l12345")
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"""
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if __name__ == '__main__':
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main()
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