def create_launch_config(lconfig_name,
image_id,
inst_type,
key_name,
security_groups,
spot_price=0,
user_data_file=None,
user_data=None,
block_dev_mappings=None,
ebs_optimized=False,
overwrite=False):
existing_config = Cluster.get_launch_config(lconfig_name)
if existing_config is not None:
if overwrite:
existing_config.delete()
Cluster.log_info(
"Deleted launch config %s to overwrite new config",
lconfig_name)
else:
Cluster.log_error("Launch config %s already exists.",
lconfig_name)
raise Exception("Launch configuration already exists")
auto_scale_conn = Cluster._autoscale()
if user_data is None:
if user_data_file is not None:
with open(user_data_file, 'r') as udf:
user_data = udf.read()
lconfig = LaunchConfiguration()
lconfig.instance_type = inst_type
lconfig.name = lconfig_name
lconfig.image_id = image_id
lconfig.key_name = key_name
lconfig.security_groups = security_groups
lconfig.user_data = user_data
if spot_price > 0:
lconfig.spot_price = spot_price
if block_dev_mappings is not None:
lconfig.block_device_mappings = block_dev_mappings
if ebs_optimized:
lconfig.ebs_optimized = True
auto_scale_conn.create_launch_configuration(lconfig)
Cluster.log_info("Created launch configuration %s", lconfig.name)
def create_launch_config(lconfig_name, image_id, inst_type, key_name, security_groups,
spot_price=0,
user_data_file=None,
user_data=None,
block_dev_mappings=None,
ebs_optimized=False,
overwrite=False):
existing_config = Cluster.get_launch_config(lconfig_name)
if existing_config is not None:
if overwrite:
existing_config.delete()
Cluster.log_info("Deleted launch config %s to overwrite new config", lconfig_name)
else:
Cluster.log_error("Launch config %s already exists.", lconfig_name)
raise Exception("Launch configuration already exists")
auto_scale_conn = Cluster._autoscale()
if user_data is None:
if user_data_file is not None:
with open(user_data_file, 'r') as udf:
user_data = udf.read()
lconfig = LaunchConfiguration()
lconfig.instance_type = inst_type
lconfig.name = lconfig_name
lconfig.image_id = image_id
lconfig.key_name = key_name
lconfig.security_groups = security_groups
lconfig.user_data = user_data
if spot_price > 0:
lconfig.spot_price = spot_price
if block_dev_mappings is not None:
lconfig.block_device_mappings = block_dev_mappings
if ebs_optimized:
lconfig.ebs_optimized = True
auto_scale_conn.create_launch_configuration(lconfig)
Cluster.log_info("Created launch configuration %s", lconfig.name)
