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root / snf-cyclades-app / synnefo / quotas / management / commands / reconcile-resources-cyclades.py @ ff5edb80

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# Copyright 2012-2014 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 datetime import datetime
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from django.core.management.base import BaseCommand
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from optparse import make_option
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from synnefo import quotas
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from synnefo.quotas import util
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from snf_django.management.utils import pprint_table
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from snf_django.utils import reconcile
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class Command(BaseCommand):
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    help = """Reconcile resource usage of Astakos with Cyclades DB.
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    Detect unsynchronized usage between Astakos and Cyclades DB resources and
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    synchronize them if specified so.
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    """
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    option_list = BaseCommand.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("--project",
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                    help="Reconcile resources only for this project"),
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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 Cyclades 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 Cyclades quota, independently of their value.")
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    )
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    def handle(self, *args, **options):
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        write = self.stderr.write
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        userid = options['userid']
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        project = options["project"]
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        # Get holdings from Cyclades DB
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        db_holdings = util.get_db_holdings(userid, project)
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        db_project_holdings = util.get_db_project_holdings(project)
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        # Get holdings from QuotaHolder
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        qh_holdings = util.get_qh_users_holdings(
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            [userid] if userid is not None else None)
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        qh_project_holdings = util.get_qh_project_holdings(
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            [project] if project is not None else None)
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        unsynced_users, users_pending, users_unknown =\
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            reconcile.check_users(self.stderr, quotas.RESOURCES,
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                                  db_holdings, qh_holdings)
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        unsynced_projects, projects_pending, projects_unknown =\
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            reconcile.check_projects(self.stderr, quotas.RESOURCES,
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                                     db_project_holdings, qh_project_holdings)
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        pending_exists = users_pending or projects_pending
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        unknown_exists = users_unknown or projects_unknown
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        headers = ("Type", "Holder", "Source", "Resource",
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                   "Database", "Quotaholder")
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        unsynced = unsynced_users + unsynced_projects
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        if unsynced:
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            pprint_table(self.stdout, unsynced, headers)
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            if options["fix"]:
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                qh = quotas.Quotaholder.get()
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                force = options["force"]
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                name = ("client: reconcile-resources-cyclades, time: %s"
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                        % datetime.now())
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                user_provisions = reconcile.create_user_provisions(
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                    unsynced_users)
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                project_provisions = reconcile.create_project_provisions(
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                    unsynced_projects)
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                try:
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                    qh.issue_commission_generic(
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                        user_provisions, project_provisions,
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                        name=name, force=force,
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                        auto_accept=True)
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                except quotas.errors.QuotaLimit:
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                    write("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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                write("Fixed unsynced resources\n")
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        if pending_exists:
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            write("Found pending commissions. Run 'snf-manage"
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                  " reconcile-commissions-cyclades'\n")
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        elif not (unsynced or unknown_exists):
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            write("Everything in sync.\n")