def create_launcher_instance(ec2_conn, cf_conn, stack_name, launcher_ami, launcher_instance_type): launcher_instances = get_tagged_instances( ec2_conn, {'eggo_stack_name': stack_name, 'eggo_node_type': 'launcher'}) if len(launcher_instances) > 0: print "Launcher instance ({instance}) already exists. Reusing.".format( instance=launcher_instances[0].ip_address) return launcher_instances[0] print "Creating launcher instance." # see http://stackoverflow.com/questions/19029588/how-to-auto-assign-public-ip-to-ec2-instance-with-boto interface = NetworkInterfaceSpecification( subnet_id=get_subnet_id(cf_conn, stack_name), groups=[get_security_group_id(cf_conn, stack_name)], associate_public_ip_address=True) interfaces = NetworkInterfaceCollection(interface) reservation = ec2_conn.run_instances( launcher_ami, key_name=get_ec2_key_pair(), instance_type=launcher_instance_type, network_interfaces=interfaces) launcher_instance = reservation.instances[0] launcher_instance.add_tag('owner', getuser()) launcher_instance.add_tag('ec2_key_pair', get_ec2_key_pair()) launcher_instance.add_tag('eggo_stack_name', stack_name) launcher_instance.add_tag('eggo_node_type', 'launcher') wait_for_instance_state(ec2_conn, launcher_instance) execute(install_director_client, hosts=[launcher_instance.ip_address]) execute(install_private_key, hosts=[launcher_instance.ip_address]) return launcher_instance
def terminate_launcher_instance(ec2_conn, stack_name): launcher_instance = get_launcher_instance(ec2_conn, stack_name) launcher_instance.terminate() wait_for_instance_state(ec2_conn, launcher_instance, 'terminated')