fc5e46802e
Implements blueprint embrane-lbaas-driver This commit implements Embrane's driver for LBaaS, which uses Embrane's heleos(tm) appliances to provide Load Balancing. Change-Id: Ia76fbc8881d178cfe6df11a2cfe8e77d3f36094f
75 lines
2.8 KiB
Python
75 lines
2.8 KiB
Python
# Copyright 2014 Embrane, Inc.
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# 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: Ivar Lazzaro, Embrane, Inc. ivar@embrane.com
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from heleosapi import constants as h_con
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from heleosapi import exceptions as h_exc
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from neutron.plugins.common import constants as ccon
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DELETED = 'DELETED' # not visible status
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QUEUE_TIMEOUT = 300
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BACK_SUB_LIMIT = 6
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class BackendActions:
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UPDATE = 'update'
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GROW = 'grow'
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REMOVE = 'remove'
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SHRINK = 'shrink'
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class Events:
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CREATE_VIP = 'create_vip'
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UPDATE_VIP = 'update_vip'
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DELETE_VIP = 'delete_vip'
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UPDATE_POOL = 'update_pool'
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UPDATE_MEMBER = 'update_member'
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ADD_OR_UPDATE_MEMBER = 'add_or_update_member'
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REMOVE_MEMBER = 'remove_member'
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DELETE_MEMBER = 'delete_member'
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POLL_GRAPH = 'poll_graph'
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ADD_POOL_HM = "create_pool_hm"
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UPDATE_POOL_HM = "update_pool_hm"
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DELETE_POOL_HM = "delete_pool_hm"
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_DVA_PENDING_ERROR_MSG = _('Dva is pending for the following reason: %s')
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_DVA_NOT_FOUNT_ERROR_MSG = _('%s, '
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'probably was cancelled through the heleos UI')
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_DVA_BROKEN_ERROR_MSG = _('Dva seems to be broken for reason %s')
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_DVA_CREATION_FAILED_ERROR_MSG = _('Dva creation failed reason %s')
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_DVA_CREATION_PENDING_ERROR_MSG = _('Dva creation is in pending state '
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'for reason %s')
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_CFG_FAILED_ERROR_MSG = _('Dva configuration failed for reason %s')
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_DVA_DEL_FAILED_ERROR_MSG = _('Failed to delete the backend '
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'load balancer for reason %s. Please remove '
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'it manually through the heleos UI')
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NO_MEMBER_SUBNET_WARN = _('No subnet is associated to member %s (required '
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'to identify the proper load balancer port)')
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error_map = {h_exc.PendingDva: _DVA_PENDING_ERROR_MSG,
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h_exc.DvaNotFound: _DVA_NOT_FOUNT_ERROR_MSG,
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h_exc.BrokenDva: _DVA_BROKEN_ERROR_MSG,
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h_exc.DvaCreationFailed: _DVA_CREATION_FAILED_ERROR_MSG,
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h_exc.DvaCreationPending: _DVA_CREATION_PENDING_ERROR_MSG,
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h_exc.ConfigurationFailed: _CFG_FAILED_ERROR_MSG,
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h_exc.DvaDeleteFailed: _DVA_DEL_FAILED_ERROR_MSG}
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state_map = {h_con.DvaState.POWER_ON: ccon.ACTIVE,
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None: ccon.ERROR,
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DELETED: DELETED}
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