awx/awx/main/management/commands/register_queue.py
2017-11-09 17:18:18 -05:00

65 lines
2.9 KiB
Python

# Copyright (c) 2017 Ansible Tower by Red Hat
# All Rights Reserved.
import sys
from awx.main.utils.pglock import advisory_lock
from awx.main.models import Instance, InstanceGroup
from django.core.management.base import BaseCommand, CommandError
class Command(BaseCommand):
def add_arguments(self, parser):
parser.add_argument('--queuename', dest='queuename', type=str,
help='Queue to create/update')
parser.add_argument('--hostnames', dest='hostnames', type=str,
help='Comma-Delimited Hosts to add to the Queue')
parser.add_argument('--controller', dest='controller', type=str,
default='', help='The controlling group (makes this an isolated group)')
def handle(self, **options):
queuename = options.get('queuename')
if not queuename:
raise CommandError("Specify `--queuename` to use this command.")
changed = False
with advisory_lock('instance_group_registration_%s' % queuename):
ig = InstanceGroup.objects.filter(name=queuename)
control_ig = None
if options.get('controller'):
control_ig = InstanceGroup.objects.filter(name=options.get('controller')).first()
if ig.exists():
print("Instance Group already registered {}".format(ig[0].name))
ig = ig[0]
if control_ig and ig.controller_id != control_ig.pk:
ig.controller = control_ig
ig.save()
print("Set controller group {} on {}.".format(control_ig.name, ig.name))
changed = True
else:
print("Creating instance group {}".format(queuename))
ig = InstanceGroup(name=queuename)
if control_ig:
ig.controller = control_ig
ig.save()
changed = True
hostname_list = []
if options.get('hostnames'):
hostname_list = options.get('hostnames').split(",")
instance_list = [x.strip() for x in hostname_list if x]
for inst_name in instance_list:
instance = Instance.objects.filter(hostname=inst_name)
if instance.exists() and instance[0] not in ig.instances.all():
ig.instances.add(instance[0])
print("Added instance {} to {}".format(instance[0].hostname, ig.name))
changed = True
elif not instance.exists():
print("Instance does not exist: {}".format(inst_name))
if changed:
print('(changed: True)')
sys.exit(1)
else:
print("Instance already registered {}".format(instance[0].hostname))
if changed:
print('(changed: True)')