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sahara/swift/swift_helper.py

 

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# Copyright (c) 2013 Mirantis Inc.

 

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#

 

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# Licensed under the Apache License, Version 2.0 (the "License");

 

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# you may not use this file except in compliance with the License.

 

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# You may obtain 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,

 

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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or

 

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# implied.

 

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# See the License for the specific language governing permissions and

 

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# limitations under the License.

 

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import logging

 

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from oslo.config import cfg

 

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from sahara import context

 

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from sahara.i18n import _LI

 

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from sahara.swift import utils as su

 

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from sahara.utils import xmlutils as x

 

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LOG = logging.getLogger(__name__)

 

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CONF = cfg.CONF

 

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HADOOP_SWIFT_AUTH_URL = 'fs.swift.service.sahara.auth.url'

 

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HADOOP_SWIFT_TENANT = 'fs.swift.service.sahara.tenant'

 

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HADOOP_SWIFT_USERNAME = 'fs.swift.service.sahara.username'

 

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HADOOP_SWIFT_PASSWORD = 'fs.swift.service.sahara.password'

 

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HADOOP_SWIFT_REGION = 'fs.swift.service.sahara.region'

 

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def retrieve_tenant():

 

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    return context.current().tenant_name

 

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def get_swift_configs():

 

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    configs = x.load_hadoop_xml_defaults('swift/resources/conf-template.xml')

 

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    for conf in configs:

 

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        if conf['name'] == HADOOP_SWIFT_AUTH_URL:

 

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            conf['value'] = su.retrieve_auth_url() + "tokens/"

 

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        if conf['name'] == HADOOP_SWIFT_TENANT:

 

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            conf['value'] = retrieve_tenant()

 

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        if CONF.os_region_name and conf['name'] == HADOOP_SWIFT_REGION:

 

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            conf['value'] = CONF.os_region_name

 

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    result = [cfg for cfg in configs if cfg['value']]

 

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    LOG.info(_LI("Swift would be integrated with the following "

 

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             "params: %s"), result)

 

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    return result

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