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f57a9863d6
* Use advisory_lock from DAB * Remove the django-pglocks dep * Re-run updater script * Move the import in new location
37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
# Copyright (c) 2016 Ansible, Inc.
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# All Rights Reserved
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from django.db import transaction
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from django.core.management.base import BaseCommand, CommandError
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from ansible_base.lib.utils.db import advisory_lock
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from awx.main.models import Instance
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class Command(BaseCommand):
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"""
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Deprovision a cluster node
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"""
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help = 'Remove instance from the database. Specify `--hostname` to use this command.'
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def add_arguments(self, parser):
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parser.add_argument('--hostname', dest='hostname', type=str, help='Hostname used during provisioning')
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@transaction.atomic
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def handle(self, *args, **options):
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# TODO: remove in 3.3
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hostname = options.get('hostname')
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if not hostname:
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raise CommandError("--hostname is a required argument")
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with advisory_lock('instance_registration_%s' % hostname):
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instance = Instance.objects.filter(hostname=hostname)
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if instance.exists():
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instance.delete()
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print("Instance Removed")
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print('Successfully deprovisioned {}'.format(hostname))
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print('(changed: True)')
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else:
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print('No instance found matching name {}'.format(hostname))
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