Synnefo

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from django.core.management.base import BaseCommand

from optparse import make_option

from synnefo.quotas import DEFAULT_SOURCE

from synnefo.quotas.util import (get_db_holdings, get_quotaholder_holdings,

                                 transform_quotas)

from synnefo.webproject.management.utils import pprint_table

class Command(BaseCommand):

    help = """

    Verify that cyclades.* resource usage.

    Verify that usage calculated from Cyclades DB agrees with the usage

    recorded in the effective quota database (Quotaholder)

    """

    output_transaction = True

    option_list = BaseCommand.option_list + (

        make_option("--userid", dest="userid",

                    default=None,

                    help="Verify usage only for this user"),

    )

    def handle(self, *args, **options):

        write = self.stdout.write

        userid = options['userid']

        users = [userid] if userid else None

        # Get info from DB

        db_holdings = get_db_holdings(users)

        users = db_holdings.keys()

        qh_holdings = get_quotaholder_holdings(userid)

        qh_users = qh_holdings.keys()

        if len(qh_users) < len(users):

            for u in set(users) - set(qh_users):

                write("Unknown entity: %s\n" % u)

                users = qh_users

        headers = ("User", "Resource", "Database", "Quotaholder")

        unsynced = []

        for user in users:

            db = db_holdings[user]

            qh_all = qh_holdings[user]

            # Assuming only one source

            qh = qh_all[DEFAULT_SOURCE]

            qh = transform_quotas(qh)

            for resource, (value, value1) in qh.iteritems:

                db_value = db.pop(resource, None)

                if value != value1:

                    write("Commission pending for %s"

                          % str((user, resource)))

                    continue

                if db_value is None:

                    write("Resource %s exists in QH for %s but not in DB\n"

                          % (resource, user))

                elif db_value != value:

                    data = (user, resource, str(db_value), str(value))

                    unsynced.append(data)

            for resource, db_value in db.iteritems():

                write("Resource %s exists in DB for %s but not in QH\n"

                      % (resource, user))

        if unsynced:

            pprint_table(self.stderr, unsynced, headers)