def lights_on(args):
boto3_session = session.new(args.profile, args.region, args.role)
cf_client = boto3_session.client('cloudformation')
resources = cf_client.get_template(StackName=args.stack_name)['TemplateBody']['Resources']
asg_values = {k: {'min': v['Properties']['MinSize'],
'max': v['Properties']['MaxSize']}
for k, v in resources.items() if k.endswith('ASG')}
outputs = stack.outputs(boto3_session, args.stack_name)
logical_asgs = outputs.keys(lambda k: k.endswith('ASG'))
if len(args.asg_names) > 0:
logical_asgs = [asg for asg in logical_asgs if any((partial in asg for partial in args.asg_names))]
asg_values = {k: asg_values[k] for k in asg_values if k in logical_asgs}
if args.dry_run:
print 'Not actually resetting ASG min and max values because dry run flag is set'
return asg_values
autoscale = boto3_session.client('autoscaling')
for logical_asg in logical_asgs:
autoscale.update_auto_scaling_group(
AutoScalingGroupName=outputs[logical_asg],
MinSize=asg_values[logical_asg]['min'],
DesiredCapacity=asg_values[logical_asg]['min'],
MaxSize=asg_values[logical_asg]['max'])
return asg_values
def get_dependencies(self, dependencies):
outputs = stack.outputs(self.session, self.args.network_stack_name)
dependencies.vpc_id = outputs['VpcId']
dependencies.vpc_cidr = outputs['VpcCidr']
dependencies.private_subnet_ids = outputs.values(lambda k: 'PrivateSubnet' in k)
dependencies.public_subnet_ids = outputs.values(lambda k: 'PublicSubnet' in k)
def lights_out(args):
boto3_session = session.new(args.profile, args.region, args.role)
outputs = stack.outputs(boto3_session, args.stack_name)
logical_asgs = outputs.keys(lambda k: k.endswith('ASG'))
if len(args.asg_names) > 0:
logical_asgs = [asg for asg in logical_asgs if any((partial in asg for partial in args.asg_names))]
physical_asgs = [outputs[asg] for asg in logical_asgs]
if args.dry_run:
print 'Not actually scaling ASGs to zero because dry-run flag is set.'
return physical_asgs
autoscale = boto3_session.client('autoscaling')
for asg in physical_asgs:
autoscale.update_auto_scaling_group(
AutoScalingGroupName=asg,
MinSize=0,
DesiredCapacity=0,
MaxSize=0)
return physical_asgs
