<s> '''<STR_LIT>''' <EOL> import paramiko <EOL> import salt . client <EOL> import time <EOL> from circularlist import CircularList <EOL> from etcd import Etcd <EOL> from paramiko import SSHException <EOL> from pyparsing import Literal , srange , Word <EOL> class VerifyFormations ( object ) : <EOL> def __init__ ( self , manager , logger ) : <EOL> self . logger = logger <EOL> self . salt_client = salt . client . LocalClient ( ) <EOL> self . manager = manager <EOL> self . etcd = Etcd ( logger ) <EOL> def start_verifying ( self ) : <EOL> formation_parser = Literal ( '<STR_LIT>' ) + Word ( srange ( "<STR_LIT>" ) ) . setResultsName ( '<STR_LIT:username>' ) + Literal ( '<STR_LIT:/>' ) + Word ( srange ( "<STR_LIT>" ) ) . setResultsName ( '<STR_LIT>' ) <EOL> formation_list = [ ] <EOL> user_list = self . etcd . list_directory ( '<STR_LIT>' ) <EOL> if user_list : <EOL> for user in user_list : <EOL> formations = self . etcd . list_directory ( user ) <EOL> for formation in formations : <EOL> parse_results = formation_parser . parseString ( formation ) <EOL> if parse_results : <EOL> formation_name = parse_results [ '<STR_LIT>' ] <EOL> username = parse_results [ '<STR_LIT:username>' ] <EOL> self . logger . info ( '<STR_LIT>' <EOL> '<STR_LIT>' . format ( formation_name = formation_name , <EOL> username = username ) ) <EOL> f = self . manager . load_formation_from_etcd ( username , formation_name ) <EOL> formation_list . append ( f ) <EOL> else : <EOL> self . logger . error ( "<STR_LIT>" ) <EOL> if formation_list : <EOL> for f in formation_list : <EOL> for app in f . application_list : <EOL> self . logger . info ( "<STR_LIT>" <EOL> "<STR_LIT>" . format ( app_name = app . hostname ) ) <EOL> self . logger . info ( '<STR_LIT>' . format ( <EOL> server = app . host_server , <EOL> container_id = app . container_id ) ) <EOL> results = self . salt_client . cmd ( app . host_server , '<STR_LIT>' , <EOL> [ '<STR_LIT>' . format ( container_id = app . container_id ) ] , <EOL> expr_form = '<STR_LIT:list>' ) <EOL> if results : <EOL> self . logger . debug ( "<STR_LIT>" . format ( <EOL> docker_results = results [ app . host_server ] ) ) <EOL> if results [ app . host_server ] == "<STR_LIT>" : <EOL> self . logger . error ( "<STR_LIT>" . format ( <EOL> app = app . hostname ) ) <EOL> self . start_application ( app ) <EOL> else : <EOL> self . logger . info ( "<STR_LIT>" <EOL> "<STR_LIT>" . format ( app = app . hostname ) ) <EOL> self . logger . info ( "<STR_LIT>" ) <EOL> time . sleep ( <NUM_LIT:2> ) <EOL> self . check_running_application ( app ) <EOL> else : <EOL> self . logger . error ( "<STR_LIT>" . format ( <EOL> server = app . host_server ) ) <EOL> self . move_application ( app ) <EOL> def start_application ( self , app ) : <EOL> self . logger . info ( "<STR_LIT>" . format ( <EOL> app = app . hostname , app_id = app . container_id ) ) <EOL> results = self . salt_client . cmd ( app . host_server , '<STR_LIT>' , <EOL> [ '<STR_LIT>' . format ( container_id = app . container_id ) ] , <EOL> expr_form = '<STR_LIT:list>' ) <EOL> self . logger . debug ( results ) <EOL> if results : <EOL> if "<STR_LIT>" in results [ app . host_server ] : <EOL> self . logger . error ( "<STR_LIT>" <EOL> "<STR_LIT>" ) <EOL> self . manager . start_application ( app ) <EOL> self . logger . info ( "<STR_LIT>" ) <EOL> time . sleep ( <NUM_LIT:2> ) <EOL> self . manager . bootstrap_application ( app ) <EOL> elif "<STR_LIT>" in results [ app . host_server ] : <EOL> self . logger . error ( "<STR_LIT>" ) <EOL> self . move_application ( app ) <EOL> else : <EOL> self . logger . info ( "<STR_LIT>" ) <EOL> time . sleep ( <NUM_LIT:2> ) <EOL> self . check_running_application ( app ) <EOL> else : <EOL> self . logger . error ( "<STR_LIT>" . format ( <EOL> container_id = app . container_id , host = app . host_server ) ) <EOL> self . move_application ( app ) <EOL> def move_application ( self , app ) : <EOL> old_host = app . host_server <EOL> cluster_list = self . manager . get_docker_cluster ( ) <EOL> circular_cluster_list = CircularList ( <EOL> self . manager . order_cluster_by_load ( cluster_list ) ) <EOL> if app . host_server in circular_cluster_list : <EOL> index = circular_cluster_list . index ( app . host_server ) <EOL> app . host_server = circular_cluster_list [ index + <NUM_LIT:1> ] . hostname <EOL> else : <EOL> app . host_server = circular_cluster_list [ <NUM_LIT:0> ] . hostname <EOL> self . logger . info ( "<STR_LIT>" . format ( <EOL> app_name = app . hostname , old_host = old_host , new_host = app . host_server ) ) <EOL> self . logger . info ( "<STR_LIT>" ) <EOL> self . start_application ( app ) <EOL> def check_running_application ( self , app ) : <EOL> try : <EOL> ssh = paramiko . SSHClient ( ) <EOL> ssh . set_missing_host_key_policy ( paramiko . AutoAddPolicy ( ) ) <EOL> self . logger . info ( '<STR_LIT>' . format ( <EOL> hostname = app . host_server , port = app . ssh_port ) ) <EOL> ssh . connect ( hostname = app . host_server , port = app . ssh_port , <EOL> username = '<STR_LIT:root>' , password = '<STR_LIT>' ) <EOL> stdin , stdout , stderr = ssh . exec_command ( "<STR_LIT>" ) <EOL> output = stdout . readlines ( ) <EOL> self . logger . debug ( output ) <EOL> if len ( output ) == <NUM_LIT:0> : <EOL> self . logger . info ( "<STR_LIT>" ) <EOL> stdin , stdout , stderr = ssh . exec_command ( "<STR_LIT>" ) <EOL> else : <EOL> self . logger . info ( "<STR_LIT>" ) <EOL> ssh . close ( ) <EOL> except SSHException : <EOL> self . logger . error ( "<STR_LIT>" ) </s>
