layerindex-web/rrs/migrations/0004_maint_plan_default.py
Paul Eggleton 24960bb7be rrs: add Release link to MaintenancePlan
If any Releases exist then we create a default MaintenancePlan and then
link all Releases to it - this needs to be done in multiple upgrade
steps since the field needs to be non-null.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
2018-05-04 23:57:52 +12:00

40 lines
1.5 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import migrations, models
import settings
def populate_plan(apps, schema_editor):
Release = apps.get_model('rrs', 'Release')
MaintenancePlan = apps.get_model('rrs', 'MaintenancePlan')
LayerBranch = apps.get_model('layerindex', 'LayerBranch')
MaintenancePlanLayerBranch = apps.get_model('rrs', 'MaintenancePlanLayerBranch')
if Release.objects.all().exists():
if not settings.CORE_LAYER_NAME:
raise Exception('Please set CORE_LAYER_NAME in settings.py')
core_layerbranch = LayerBranch.objects.filter(layer__name=settings.CORE_LAYER_NAME).first()
if not core_layerbranch:
raise Exception('Unable to find core layer "%s" specified in CORE_LAYER_NAME in settings.py - please set up the layerindex application first' % settings.CORE_LAYER_NAME)
maintplan = MaintenancePlan()
maintplan.name = 'Default'
maintplan.description = 'Created upon database upgrade'
maintplan.save()
for row in Release.objects.all():
row.plan = maintplan
row.save()
maintplanlayerbranch = MaintenancePlanLayerBranch(plan=maintplan, layerbranch=core_layerbranch)
maintplanlayerbranch.save();
class Migration(migrations.Migration):
dependencies = [
('rrs', '0003_release_plan'),
]
operations = [
migrations.RunPython(populate_plan, reverse_code=migrations.RunPython.noop),
]