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OpenStack Study: constants.py

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# 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: Ivar Lazzaro, Embrane, Inc. ivar@embrane.com

from heleosapi import constants as h_con

from heleosapi import exceptions as h_exc

from neutron.plugins.common import constants as ccon

DELETED = 'DELETED' # not visible status

QUEUE_TIMEOUT = 300

BACK_SUB_LIMIT = 6

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class Events:

CREATE_VIP = 'create_vip'

UPDATE_VIP = 'update_vip'

DELETE_VIP = 'delete_vip'

UPDATE_POOL = 'update_pool'

UPDATE_MEMBER = 'update_member'

ADD_OR_UPDATE_MEMBER = 'add_or_update_member'

REMOVE_MEMBER = 'remove_member'

DELETE_MEMBER = 'delete_member'

POLL_GRAPH = 'poll_graph'

ADD_POOL_HM = "create_pool_hm"

UPDATE_POOL_HM = "update_pool_hm"

DELETE_POOL_HM = "delete_pool_hm"

_DVA_PENDING_ERROR_MSG = _('Dva is pending for the following reason: %s')

_DVA_NOT_FOUNT_ERROR_MSG = _('%s, '

'probably was cancelled through the heleos UI')

_DVA_BROKEN_ERROR_MSG = _('Dva seems to be broken for reason %s')

_DVA_CREATION_FAILED_ERROR_MSG = _('Dva creation failed reason %s')

_DVA_CREATION_PENDING_ERROR_MSG = _('Dva creation is in pending state '

'for reason %s')

_CFG_FAILED_ERROR_MSG = _('Dva configuration failed for reason %s')

_DVA_DEL_FAILED_ERROR_MSG = _('Failed to delete the backend '

'load balancer for reason %s. Please remove '

'it manually through the heleos UI')

NO_MEMBER_SUBNET_WARN = _('No subnet is associated to member %s (required '

'to identify the proper load balancer port)')

error_map = {h_exc.PendingDva: _DVA_PENDING_ERROR_MSG,

h_exc.DvaNotFound: _DVA_NOT_FOUNT_ERROR_MSG,

h_exc.BrokenDva: _DVA_BROKEN_ERROR_MSG,

h_exc.DvaCreationFailed: _DVA_CREATION_FAILED_ERROR_MSG,

h_exc.DvaCreationPending: _DVA_CREATION_PENDING_ERROR_MSG,

h_exc.ConfigurationFailed: _CFG_FAILED_ERROR_MSG,

h_exc.DvaDeleteFailed: _DVA_DEL_FAILED_ERROR_MSG}

state_map = {h_con.DvaState.POWER_ON: ccon.ACTIVE,

None: ccon.ERROR,

DELETED: DELETED}