component-remove.py 2.42 KB
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# Copyright 2013-2014 GRNET S.A. All rights reserved.
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#
# Redistribution and use in source and binary forms, with or
# without modification, are permitted provided that the following
# conditions are met:
#
#   1. Redistributions of source code must retain the above
#      copyright notice, this list of conditions and the following
#      disclaimer.
#
#   2. Redistributions in binary form must reproduce the above
#      copyright notice, this list of conditions and the following
#      disclaimer in the documentation and/or other materials
#      provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# The views and conclusions contained in the software and
# documentation are those of the authors and should not be
# interpreted as representing official policies, either expressed
# or implied, of GRNET S.A.

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from snf_django.management.commands import SynnefoCommand, CommandError
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from django.db import transaction
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from astakos.im.models import Component


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class Command(SynnefoCommand):
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    args = "<component ID or name>"
    help = "Remove a component along with its registered services"

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    @transaction.commit_on_success
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    def handle(self, *args, **options):
        if len(args) != 1:
            raise CommandError("Please provide a component ID or name")

        ident = args[0]
        try:
            try:
                ident = int(ident)
                component = Component.objects.get(id=ident)
            except ValueError:
                component = Component.objects.get(name=ident)
        except Component.DoesNotExist:
            raise CommandError(
                "Component does not exist. You may run snf-manage "
                "component-list for available component IDs.")

        component.delete()