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101 lines
4.2 KiB
Python
101 lines
4.2 KiB
Python
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from django.db import migrations
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from django.db.models import Count
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import utilities.fields
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def recalculate_device_counts(apps, schema_editor):
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Device = apps.get_model("dcim", "Device")
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devices = list(Device.objects.all().annotate(
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_console_port_count=Count('consoleports', distinct=True),
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_console_server_port_count=Count('consoleserverports', distinct=True),
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_power_port_count=Count('powerports', distinct=True),
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_power_outlet_count=Count('poweroutlets', distinct=True),
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_interface_count=Count('interfaces', distinct=True),
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_front_port_count=Count('frontports', distinct=True),
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_rear_port_count=Count('rearports', distinct=True),
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_device_bay_count=Count('devicebays', distinct=True),
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_module_bay_count=Count('modulebays', distinct=True),
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_inventory_item_count=Count('inventoryitems', distinct=True),
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))
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for device in devices:
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device.console_port_count = device._console_port_count
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device.console_server_port_count = device._console_server_port_count
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device.power_port_count = device._power_port_count
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device.power_outlet_count = device._power_outlet_count
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device.interface_count = device._interface_count
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device.front_port_count = device._front_port_count
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device.rear_port_count = device._rear_port_count
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device.device_bay_count = device._device_bay_count
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device.module_bay_count = device._module_bay_count
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device.inventory_item_count = device._inventory_item_count
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Device.objects.bulk_update(devices, [
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'console_port_count', 'console_server_port_count', 'power_port_count', 'power_outlet_count', 'interface_count',
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'front_port_count', 'rear_port_count', 'device_bay_count', 'module_bay_count', 'inventory_item_count',
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])
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class Migration(migrations.Migration):
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dependencies = [
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('dcim', '0174_rack_starting_unit'),
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]
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operations = [
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migrations.AddField(
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model_name='device',
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name='console_port_count',
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field=utilities.fields.CounterCacheField(default=0, to_field='device', to_model='dcim.ConsolePort'),
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),
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migrations.AddField(
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model_name='device',
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name='console_server_port_count',
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field=utilities.fields.CounterCacheField(default=0, to_field='device', to_model='dcim.ConsoleServerPort'),
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),
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migrations.AddField(
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model_name='device',
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name='power_port_count',
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field=utilities.fields.CounterCacheField(default=0, to_field='device', to_model='dcim.PowerPort'),
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),
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migrations.AddField(
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model_name='device',
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name='power_outlet_count',
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field=utilities.fields.CounterCacheField(default=0, to_field='device', to_model='dcim.PowerOutlet'),
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),
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migrations.AddField(
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model_name='device',
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name='interface_count',
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field=utilities.fields.CounterCacheField(default=0, to_field='device', to_model='dcim.Interface'),
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),
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migrations.AddField(
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model_name='device',
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name='front_port_count',
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field=utilities.fields.CounterCacheField(default=0, to_field='device', to_model='dcim.FrontPort'),
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),
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migrations.AddField(
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model_name='device',
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name='rear_port_count',
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field=utilities.fields.CounterCacheField(default=0, to_field='device', to_model='dcim.RearPort'),
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),
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migrations.AddField(
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model_name='device',
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name='device_bay_count',
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field=utilities.fields.CounterCacheField(default=0, to_field='device', to_model='dcim.DeviceBay'),
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),
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migrations.AddField(
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model_name='device',
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name='module_bay_count',
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field=utilities.fields.CounterCacheField(default=0, to_field='device', to_model='dcim.ModuleBay'),
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),
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migrations.AddField(
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model_name='device',
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name='inventory_item_count',
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field=utilities.fields.CounterCacheField(default=0, to_field='device', to_model='dcim.InventoryItem'),
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),
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migrations.RunPython(
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recalculate_device_counts,
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reverse_code=migrations.RunPython.noop
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),
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]
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