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67 lines
1.7 KiB
Python
67 lines
1.7 KiB
Python
from django.core.cache import cache
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from django.db import models
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from django.urls import reverse
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from django.utils.translation import gettext, gettext_lazy as _
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from utilities.querysets import RestrictedQuerySet
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__all__ = (
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'ConfigRevision',
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)
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class ConfigRevision(models.Model):
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"""
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An atomic revision of NetBox's configuration.
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"""
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created = models.DateTimeField(
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verbose_name=_('created'),
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auto_now_add=True
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)
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comment = models.CharField(
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verbose_name=_('comment'),
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max_length=200,
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blank=True
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)
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data = models.JSONField(
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blank=True,
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null=True,
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verbose_name=_('configuration data')
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)
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objects = RestrictedQuerySet.as_manager()
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class Meta:
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ordering = ['-created']
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verbose_name = _('config revision')
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verbose_name_plural = _('config revisions')
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def __str__(self):
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if not self.pk:
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return gettext('Default configuration')
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if self.is_active:
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return gettext('Current configuration')
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return gettext('Config revision #{id}').format(id=self.pk)
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def __getattr__(self, item):
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if self.data and item in self.data:
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return self.data[item]
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return super().__getattribute__(item)
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def get_absolute_url(self):
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if not self.pk:
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return reverse('core:config') # Default config view
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return reverse('core:configrevision', args=[self.pk])
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def activate(self):
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"""
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Cache the configuration data.
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"""
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cache.set('config', self.data, None)
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cache.set('config_version', self.pk, None)
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activate.alters_data = True
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@property
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def is_active(self):
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return cache.get('config_version') == self.pk
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