Files
awx/awx/main/migrations/_system_tracking.py
2016-03-14 13:53:34 -04:00

48 lines
1.8 KiB
Python

from awx.fact.models import FactVersion
from mongoengine.connection import ConnectionError
from pymongo.errors import OperationFailure
from django.conf import settings
def drop_system_tracking_db():
try:
db = FactVersion._get_db()
db.connection.drop_database(settings.MONGO_DB)
except ConnectionError:
# TODO: Log this. Not a deal-breaker. Just let the user know they
# may need to manually drop/delete the database.
pass
except OperationFailure:
# TODO: This means the database was up but something happened when we tried to query it
pass
def migrate_facts(apps, schema_editor):
Fact = apps.get_model('main', "Fact")
Host = apps.get_model('main', "Host")
try:
n = FactVersion.objects.all().count()
except ConnectionError:
# TODO: Let the user know about the error. Likely this is
# a new install and we just don't need to do this
return (0, 0)
except OperationFailure:
# TODO: This means the database was up but something happened when we tried to query it
return (0, 0)
migrated_count = 0
not_migrated_count = 0
for factver in FactVersion.objects.all():
fact_obj = factver.fact
try:
host = Host.objects.only('id').get(inventory__id=factver.host.inventory_id, name=factver.host.hostname)
Fact.objects.create(host_id=host.id, timestamp=fact_obj.timestamp, module=fact_obj.module, facts=fact_obj.fact).save()
migrated_count += 1
except Host.DoesNotExist:
# TODO: Log this. No host was found to migrate the facts to.
# This isn't a hard error. Just something the user would want to know.
not_migrated_count += 1
drop_system_tracking_db()
return (migrated_count, not_migrated_count)