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44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
# Copyright (c) 2015 Ansible, Inc.
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# All Rights Reserved
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from django.core.management.base import CommandError
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from awx.main.management.commands._base_instance import BaseCommandInstance
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from awx.main.models import Instance
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instance_str = BaseCommandInstance.instance_str
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class Command(BaseCommandInstance):
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"""Internal tower command.
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Remove an existing instance from the HA instance table.
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This command is idempotent.
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This command will error out in the following conditions:
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* Attempting to remove a primary instance.
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"""
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def __init__(self):
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super(Command, self).__init__()
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self.include_option_hostname_uuid_find()
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def handle(self, *args, **options):
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super(Command, self).handle(*args, **options)
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# Is there an existing record for this machine? If so, retrieve that record and look for issues.
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try:
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# Get the instance.
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instance = Instance.objects.get(**self.get_unique_fields())
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# Sanity check: Do not remove the primary instance.
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if instance.primary:
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raise CommandError('I cowardly refuse to remove the primary instance %s.' % instance_str(instance))
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# Remove the instance.
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instance.delete()
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print('Successfully removed instance %s.' % instance_str(instance))
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except Instance.DoesNotExist:
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print('No matching instance found to remove.')
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