root / snf-pithos-app / pithos / api / management / commands / reconcile-resources-pithos.py @ d758784b
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# Copyright 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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from django.core.management.base import NoArgsCommand |
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from optparse import make_option |
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from pithos.api.util import get_backend |
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from pithos.api.resources import resources |
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from pithos.backends.modular import DEFAULT_SOURCE |
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from snf_django.management import utils |
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from astakosclient.errors import QuotaLimit, NotFound |
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backend = get_backend() |
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class Command(NoArgsCommand): |
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help = """Reconcile resource usage of Astakos with Pithos DB.
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Detect unsynchronized usage between Astakos and Pithos DB resources and
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synchronize them if specified so.
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"""
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option_list = NoArgsCommand.option_list + ( |
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make_option("--userid", dest="userid", |
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default=None,
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help="Reconcile resources only for this user"),
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make_option("--fix", dest="fix", |
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default=False,
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action="store_true",
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help="Synchronize Astakos quotas with Pithos DB."),
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make_option("--force",
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default=False,
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action="store_true",
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help="Override Astakos quotas. Force Astakos to impose "
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"the Pithos quota, independently of their value.")
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) |
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def handle_noargs(self, **options): |
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try:
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backend.pre_exec() |
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userid = options['userid']
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# Get holding from Pithos DB
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db_usage = backend.node.node_account_usage(userid) |
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users = set(db_usage.keys())
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if userid and userid not in users: |
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if backend._lookup_account(userid) is None: |
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self.stdout.write("User '%s' does not exist in DB!\n" % |
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userid) |
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return
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# Get holding from Quotaholder
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try:
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qh_result = backend.astakosclient.service_get_quotas( |
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backend.service_token, userid) |
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except NotFound:
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self.stdout.write(
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"User '%s' does not exist in Quotaholder!\n" % userid)
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return
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users.update(qh_result.keys()) |
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pending_exists = False
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unknown_user_exists = False
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unsynced = [] |
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for uuid in users: |
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db_value = db_usage.get(uuid, 0)
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try:
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qh_all = qh_result[uuid] |
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except KeyError: |
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self.stdout.write(
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"User '%s' does not exist in Quotaholder!\n" % uuid)
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unknown_user_exists = True
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continue
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else:
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qh = qh_all.get(DEFAULT_SOURCE, {}) |
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for resource in [r['name'] for r in resources]: |
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try:
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qh_resource = qh[resource] |
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except KeyError: |
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self.stdout.write(
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"Resource '%s' does not exist in Quotaholder "
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"for user '%s'!\n" % (resource, uuid))
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continue
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if qh_resource['pending']: |
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self.stdout.write(
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"Pending commission. "
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"User '%s', resource '%s'.\n" %
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(uuid, resource)) |
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pending_exists = True
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continue
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qh_value = qh_resource['usage']
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if db_value != qh_value:
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data = (uuid, resource, db_value, qh_value) |
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unsynced.append(data) |
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if unsynced:
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headers = ("User", "Resource", "Database", "Quotaholder") |
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utils.pprint_table(self.stdout, unsynced, headers)
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if options['fix']: |
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request = {} |
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request['force'] = options['force'] |
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request['auto_accept'] = True |
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request['name'] = "RECONCILE" |
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request['provisions'] = map(create_provision, unsynced) |
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try:
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backend.astakosclient.issue_commission( |
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backend.service_token, request) |
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except QuotaLimit:
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self.stdout.write(
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"Reconciling failed because a limit has been "
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"reached. Use --force to ignore the check.\n")
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return
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self.stdout.write("Fixed unsynced resources\n") |
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if pending_exists:
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self.stdout.write(
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"Found pending commissions. Run 'snf-manage"
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" reconcile-commissions-pithos'\n")
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elif not (unsynced or unknown_user_exists): |
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self.stdout.write("Everything in sync.\n") |
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except:
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backend.post_exec(False)
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else:
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backend.post_exec(True)
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finally:
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backend.close() |
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def create_provision(provision_info): |
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user, resource, db_value, qh_value = provision_info |
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return {"holder": user, |
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"source": DEFAULT_SOURCE,
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"resource": resource,
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"quantity": int(db_value - qh_value)} |