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# Copyright 2011-2012 GRNET S.A. All rights reserved.
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# 
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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# 
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#   1. Redistributions of source code must retain the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer.
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# 
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#   2. Redistributions in binary form must reproduce the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer in the documentation and/or other materials
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#      provided with the distribution.
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# 
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# 
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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import socket
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import logging
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from django.utils.translation import ugettext as _
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from commissioning.clients.quotaholder import QuotaholderHTTP
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from astakos.im.settings import QUOTA_HOLDER_URL, LOGGING_LEVEL
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ENTITY_KEY = '1'
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logger = logging.getLogger(__name__)
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def register_users(users, client=None):
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    if not users:
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        return
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    if not QUOTA_HOLDER_URL:
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        return
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    c = client or QuotaholderHTTP(QUOTA_HOLDER_URL)
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    data = []
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    append = data.append
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    for user in users:
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        try:
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            entity = user.email
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        except AttributeError:
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            continue
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        else:    
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            args = entity, owner, key, ownerkey = (
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                entity, 'system', ENTITY_KEY, ''
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            )
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            append(args)
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    if not data:
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        return
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    rejected = c.create_entity(
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        context={},
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        create_entity=data,
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    )
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    msg = _('Create entities: %s - Rejected: %s' % (data, rejected,))
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    logger.log(LOGGING_LEVEL, msg)
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    created = filter(lambda u: unicode(u.email) not in rejected, users)
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    send_quota(created, c)
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    return rejected
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def send_quota(users, client=None):
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    if not users:
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        return
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    if not QUOTA_HOLDER_URL:
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        return
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    c = client or QuotaholderHTTP(QUOTA_HOLDER_URL)
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    data = []
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    append = data.append
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    for user in users:
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        try:
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            entity = user.email
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        except AttributeError:
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            continue
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        else:
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            for resource, limit in user.quota.iteritems():
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                args = entity, resource, key, quantity, capacity, import_limit , \
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                    export_limit, flags =(
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                        entity, resource, ENTITY_KEY, '0', str(limit), 0, 0, 0
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                )
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                append(args)
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    if not data:
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        return
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    rejected = c.set_quota(context={}, set_quota=data)
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    msg = _('Set quota: %s - Rejected: %s' % (data, rejected,))
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    logger.log(LOGGING_LEVEL, msg)
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    return rejected
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def get_quota(users, client=None):
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    if not users:
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        return
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    if not QUOTA_HOLDER_URL:
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        return
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    c = client or QuotaholderHTTP(QUOTA_HOLDER_URL)
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    data = []
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    append = data.append
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    for user in users:
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        try:
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            entity = user.email
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        except AttributeError:
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            continue
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        else:
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            for r in user.quota.keys():
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                args = entity, resource, key = entity, r, ENTITY_KEY
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                append(args)
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    if not data:
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        return
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    r = c.get_quota(context={}, get_quota=data)
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    msg = _('Get quota: %s' % data)
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    logger.log(LOGGING_LEVEL, msg)
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    return r