def create(self, ninsts, avzone, user_data, spot_price=0):
if self.exists():
raise Exception("%s exists" % (self.debug_str(),))
# create a placement group
placement_group = Cluster.create_placement_group(self.gname)
if not placement_group:
self.log_error("%s - Error creating placement group", self.debug_str())
raise Exception("Error creating placement group")
# create a launch configuration
Cluster.create_launch_config(self.gname, UserCluster.IMAGE_ID, UserCluster.INSTANCE_TYPE,
UserCluster.KEY_NAME, UserCluster.SEC_GRPS,
user_data=user_data,
spot_price=spot_price)
self.log_info("Launch configuration %s", self.gname)
# create an autoscale group
agrp = Cluster.create_autoscale_group(self.gname, self.gname, self.gname, ninsts, [avzone])
if agrp is None:
self.log_error("%s - Error creating autoscale group", self.debug_str())
raise Exception("Error creating placement group")
self.log_info("Autoscaling group %r", agrp)
self.exists()
