<s> '''<STR_LIT>''' <EOL> import rpyc <EOL> import logging <EOL> from sqlalchemy import Column , ForeignKey <EOL> from sqlalchemy . orm import synonym , relationship <EOL> from sqlalchemy . types import Unicode , Boolean , Integer <EOL> from models import dbsession , algorithm_association_table , plugin_association_table <EOL> from models . BaseObject import BaseObject <EOL> from models . Algorithm import Algorithm <EOL> from rpyc . utils . ssh import SshContext <EOL> from tempfile import NamedTemporaryFile <EOL> class WeaponSystem ( BaseObject ) : <EOL> '''<STR_LIT>''' <EOL> name = Column ( Unicode ( <NUM_LIT:16> ) , unique = True , nullable = False ) <EOL> initialized = Column ( Boolean , default = False , nullable = False ) <EOL> ssh_user = Column ( Unicode ( <NUM_LIT:64> ) , nullable = False ) <EOL> ssh_key = Column ( Unicode ( <NUM_LIT> ) , nullable = False ) <EOL> ip_address = Column ( Unicode ( <NUM_LIT:64> ) , unique = True , nullable = False ) <EOL> ssh_port = Column ( Integer , default = <NUM_LIT> , nullable = False ) <EOL> service_port = Column ( Integer , default = <NUM_LIT> , nullable = False ) <EOL> cpu_count = Column ( Integer , default = <NUM_LIT:1> ) <EOL> gpu_count = Column ( Integer , default = <NUM_LIT:0> ) <EOL> algorithms = relationship ( "<STR_LIT>" , <EOL> secondary = algorithm_association_table , <EOL> backref = "<STR_LIT>" <EOL> ) <EOL> plugins = relationship ( "<STR_LIT>" , <EOL> secondary = plugin_association_table , <EOL> backref = "<STR_LIT>" <EOL> ) <EOL> @ classmethod <EOL> def by_id ( cls , weapon_id ) : <EOL> '''<STR_LIT>''' <EOL> return dbsession . query ( cls ) . filter_by ( id = weapon_id ) . first ( ) <EOL> @ classmethod <EOL> def by_uuid ( cls , weapon_uuid ) : <EOL> '''<STR_LIT>''' <EOL> return dbsession . query ( cls ) . filter_by ( uuid = unicode ( weapon_uuid ) ) . first ( ) <EOL> @ classmethod <EOL> def get_all ( cls ) : <EOL> '''<STR_LIT>''' <EOL> return dbsession . query ( cls ) . all ( ) <EOL> @ classmethod <EOL> def get_uninitialized ( cls ) : <EOL> '''<STR_LIT>''' <EOL> return dbsession . query ( cls ) . filter_by ( initialized = False ) . all ( ) <EOL> @ classmethod <EOL> def by_name ( cls , weapon_name ) : <EOL> '''<STR_LIT>''' <EOL> return dbsession . query ( cls ) . filter_by ( name = unicode ( weapon_name ) ) . first ( ) <EOL> @ classmethod <EOL> def by_ip_address ( cls , weapon_ip_address ) : <EOL> '''<STR_LIT>''' <EOL> return dbsession . query ( cls ) . filter_by ( <EOL> ip_address = unicode ( weapon_ip_address ) <EOL> ) . first ( ) <EOL> @ classmethod <EOL> def all_idle ( cls ) : <EOL> '''<STR_LIT>''' <EOL> online_systems = filter ( <EOL> lambda weapon_system : weapon_system . is_online ( ) , cls . get_all ( ) <EOL> ) <EOL> return filter ( <EOL> lambda weapon_system : not weapon_system . is_busy ( ) , online_systems <EOL> ) <EOL> @ classmethod <EOL> def system_ready ( cls , algo ) : <EOL> '''<STR_LIT>''' <EOL> return filter ( <EOL> lambda weapon_system : algo in weapon_system . algorithms , cls . all_idle ( ) <EOL> ) <EOL> def get_rpc_connection ( self , * args ) : <EOL> '''<STR_LIT>''' <EOL> logging . info ( "<STR_LIT>" ) <EOL> return self . __connect__ ( ) <EOL> def is_online ( self ) : <EOL> '''<STR_LIT>''' <EOL> rpc_connection = self . __connect__ ( ) <EOL> if rpc_connection is not None : <EOL> return rpc_connection . root . exposed_ping ( ) == "<STR_LIT>" <EOL> else : <EOL> return False <EOL> def is_busy ( self ) : <EOL> '''<STR_LIT>''' <EOL> rpc_connection = self . __connect__ ( ) <EOL> if rpc_connection is not None : <EOL> return rpc_connection . root . exposed_is_busy ( ) <EOL> def __connect__ ( self ) : <EOL> '''<STR_LIT>''' <EOL> try : <EOL> self . ssh_keyfile = NamedTemporaryFile ( ) <EOL> self . ssh_keyfile . write ( self . ssh_key ) <EOL> self . ssh_keyfile . seek ( <NUM_LIT:0> ) <EOL> ssh_context = SshContext ( self . ip_address , <EOL> user = self . ssh_user , <EOL> keyfile = self . ssh_keyfile . name <EOL> ) <EOL> return rpyc . ssh_connect ( ssh_context , self . service_port ) <EOL> except : <EOL> logging . exception ( "<STR_LIT>" ) <EOL> def __plugin__ ( self , rpc_connection ) : <EOL> categories = rpc_connection . root . exposed_get_categories ( ) <EOL> for category in categories : <EOL> logging . debug ( "<STR_LIT>" % category ) <EOL> plugins = rpc_connection . root . exposed_get_category_plugins ( category ) <EOL> logging . debug ( "<STR_LIT>" % len ( plugins ) ) <EOL> for plugin_name in plugins : <EOL> logging . debug ( "<STR_LIT>" % plugin_name ) <EOL> details = rpc_connection . root . exposed_get_plugin_details ( plugin_name ) <EOL> plugin_info = PluginDetails ( ** details ) <EOL> dbsession . add ( plugin_info ) <EOL> self . plugins . append ( plugin_info ) <EOL> def __repr__ ( self ) : <EOL> return "<STR_LIT>" % ( <EOL> self . name , self . ssh_user , self . ssh_port , self . service_port <EOL> ) </s>
