def create_launch_config(self,
launch_config_name=None,
env=None,
xively_service=None,
stack=None):
e = Ec2()
v = Vpc()
vpc = v.get_vpc_from_env(env=env)
keyname = Misc.get_value_from_array_hash(dictlist=vpc['Tags'],
key='Keypair')
baseami = e.query_base_image(stack=stack)
ostype = Misc.get_value_from_array_hash(dictlist=baseami['Tags'],
key='Os')
instance_type = Misc.get_value_from_array_hash(
dictlist=baseami['Tags'], key='Instancetype')
image = baseami.get('ImageId')
sgs = e.get_security_group_ids_for_launch(
vpcid=vpc.get('VpcId'),
stack=stack,
ostype=ostype,
xively_service=xively_service)
iam = "ec2"
y = Misc.get_app_ports_yaml('app_ports')
port = y[xively_service]
userdata = Misc.get_autoscale_userdata_for_os(ostype=ostype).format(
env=env, stack=stack, xively_service=xively_service, port=port)
monitoring = {}
monitoring['Enabled'] = True
self.autoscale.create_launch_configuration(
LaunchConfigurationName=launch_config_name,
ImageId=image,
KeyName=keyname,
SecurityGroups=sgs,
UserData=userdata,
InstanceType=instance_type,
InstanceMonitoring=monitoring,
IamInstanceProfile=iam)
