awx/awx/main/managers.py
2016-09-15 13:51:17 -04:00

40 lines
1.3 KiB
Python

# Copyright (c) 2015 Ansible, Inc.
# All Rights Reserved.
import sys
import socket
from django.db import models
class HostManager(models.Manager):
"""Custom manager class for Hosts model."""
def active_count(self):
"""Return count of active, unique hosts for licensing."""
try:
return self.order_by('name').distinct('name').count()
except NotImplementedError: # For unit tests only, SQLite doesn't support distinct('name')
return len(set(self.values_list('name', flat=True)))
class InstanceManager(models.Manager):
"""A custom manager class for the Instance model.
Provides "table-level" methods including getting the currently active
instance or role.
"""
def me(self):
"""Return the currently active instance."""
# If we are running unit tests, return a stub record.
if len(sys.argv) >= 2 and sys.argv[1] == 'test':
return self.model(id=1, primary=True,
hostname='localhost',
uuid='00000000-0000-0000-0000-000000000000')
# Return the appropriate record from the database.
return self.get(hostname=socket.gethostname())
def my_role(self):
# NOTE: TODO: Likely to repurpose this once standalone ramparts are a thing
return "tower"