<s> from kitt . interfaces import moduleProvides , IDroneDService <EOL> moduleProvides ( IDroneDService ) <EOL> __doc__ = """<STR_LIT>""" <EOL> from twisted . python . failure import Failure <EOL> from twisted . internet import task , defer <EOL> from twisted . application . service import Service <EOL> from droned . logging import logWithContext , err <EOL> from kitt . proc import listProcesses , isRunning <EOL> from kitt . util import crashReport , dictwrapper <EOL> from kitt . decorators import deferredAsThread , debugCall <EOL> import config <EOL> import sys <EOL> SERVICENAME = '<STR_LIT>' <EOL> SERVICECONFIG = dictwrapper ( { <EOL> '<STR_LIT>' : <NUM_LIT:1.0> , <EOL> '<STR_LIT>' : <NUM_LIT> , <EOL> '<STR_LIT>' : <NUM_LIT> <EOL> } ) <EOL> log = logWithContext ( type = SERVICENAME ) <EOL> from droned . applications import pluginFactory <EOL> pluginFactory . loadAppPlugins ( ) <EOL> class ApplicationLoader ( Service ) : <EOL> scanning = defer . succeed ( None ) <EOL> tracking = set ( ) <EOL> first_run = False <EOL> def _first_scan ( self ) : <EOL> for pid in listProcesses ( ) : <EOL> try : AppProcess ( Server ( config . HOSTNAME ) , pid ) <EOL> except InvalidProcess : pass <EOL> def startService ( self ) : <EOL> """<STR_LIT>""" <EOL> if self . scanning . called : <EOL> self . scanning = defer . maybeDeferred ( self . _first_scan ) <EOL> self . first_run = True <EOL> self . _task = task . LoopingCall ( self . scan_app_instances ) <EOL> for shortname in config . APPLICATIONS . keys ( ) : <EOL> manager = None <EOL> try : <EOL> applog = logWithContext ( type = shortname , route = SERVICENAME ) <EOL> applog ( '<STR_LIT>' ) <EOL> applog ( '<STR_LIT>' ) <EOL> manager = AppManager ( shortname ) <EOL> manager . parentService = self <EOL> if not AppManager ( shortname ) . running : <EOL> applog ( '<STR_LIT>' ) <EOL> manager . start ( ) <EOL> except : <EOL> failure = Failure ( ) <EOL> failures = ( InvalidPlugin , TypeError ) <EOL> if failure . check ( * failures ) and manager : <EOL> log ( '<STR_LIT>' % ( manager . name , ) ) <EOL> manager . action . __class__ . delete ( manager . action ) <EOL> try : pluginFactory . delete_plugin ( manager . model ) <EOL> except : pass <EOL> AppManager . delete ( manager ) <EOL> if not config . EXCESSIVE_LOGGING : continue <EOL> try : failure . raiseException ( ) <EOL> except : crashReport ( '<STR_LIT>' , self ) <EOL> Service . startService ( self ) <EOL> Event ( '<STR_LIT>' ) . subscribe ( self . reset_tracking ) <EOL> drone . builtins . update ( { <EOL> '<STR_LIT>' : self . allapps_action , <EOL> '<STR_LIT>' : self . applist_action , <EOL> } ) <EOL> config . reactor . callLater ( SERVICECONFIG . initial_delay , self . _start_all_tasks ) <EOL> def _start_all_tasks ( self ) : <EOL> self . _task . start ( SERVICECONFIG . recover_interval ) <EOL> def scan_app_instances ( self ) : <EOL> """<STR_LIT>""" <EOL> if self . scanning . called : <EOL> need_scan = False <EOL> for am in AppManager . objects : <EOL> if not am . running : continue <EOL> if am . discover : <EOL> need_scan = True <EOL> break <EOL> if not need_scan : return <EOL> self . scanning = self . _scan ( ) <EOL> else : <EOL> log ( '<STR_LIT>' ) <EOL> def reset_tracking ( self , occurrence ) : <EOL> """<STR_LIT>""" <EOL> try : self . tracking . discard ( occurrence . instance ) <EOL> except : pass <EOL> @ defer . deferredGenerator <EOL> def _scan ( self ) : <EOL> for pid in listProcesses ( ) : <EOL> try : AppProcess ( Server ( config . HOSTNAME ) , pid ) <EOL> except InvalidProcess : pass <EOL> except IOError : pass <EOL> except : err ( '<STR_LIT>' ) <EOL> for app in App . objects : <EOL> if not app . __class__ . isValid ( app ) : continue <EOL> for ai in app . localappinstances : <EOL> if not ai . __class__ . isValid ( ai ) : continue <EOL> if ai in self . tracking : continue <EOL> if not self . first_run : <EOL> self . tracking . add ( ai ) <EOL> config . reactor . callLater ( SERVICECONFIG . recovery_period , <EOL> self . tracking . discard , ai <EOL> ) <EOL> if not ai . enabled : continue <EOL> result = None <EOL> if ai . running and not ai . shouldBeRunning : <EOL> ai . shouldBeRunning = True <EOL> if ai . running : continue <EOL> manager = AppManager ( ai . app . name ) <EOL> if not manager . running : <EOL> continue <EOL> if not manager . discover : <EOL> continue <EOL> d = manager . model . findProcesses ( ) <EOL> wfd = defer . waitForDeferred ( d ) <EOL> yield wfd <EOL> for ( pid , result ) in wfd . getResult ( ) : <EOL> d = manager . model . assimilateProcess ( result ) <EOL> wfd2 = defer . waitForDeferred ( d ) <EOL> yield wfd2 <EOL> ai2 = wfd2 . getResult ( ) <EOL> if ai2 and isinstance ( ai2 , AppInstance ) and ai2 is ai : <EOL> Event ( '<STR_LIT>' ) . fire ( instance = ai ) <EOL> manager . log ( '<STR_LIT>' % ai2 . pid ) <EOL> if ai . running : continue <EOL> if not ai . crashed : continue <EOL> if not ai . enabled : continue <EOL> if self . first_run : continue <EOL> Event ( '<STR_LIT>' ) . fire ( instance = ai ) <EOL> for process in AppProcess . objects : <EOL> try : <EOL> if not process . localInstall : continue <EOL> if not process . running : <EOL> AppProcess . delete ( process ) <EOL> except : <EOL> err ( '<STR_LIT>' ) <EOL> d = defer . Deferred ( ) <EOL> config . reactor . callLater ( <NUM_LIT> , d . callback , None ) <EOL> wfd = defer . waitForDeferred ( d ) <EOL> yield wfd <EOL> wfd . getResult ( ) <EOL> self . first_run = False <EOL> yield '<STR_LIT>' <EOL> def stopService ( self ) : <EOL> """<STR_LIT>""" <EOL> for x in [ '<STR_LIT>' , '<STR_LIT>' ] : <EOL> if x in drone . builtins : <EOL> del drone . builtins [ x ] <EOL> Event ( '<STR_LIT>' ) . unsubscribe ( self . reset_tracking ) <EOL> for manager in AppManager . objects : <EOL> if manager . running : <EOL> mesg = '<STR_LIT>' <EOL> logWithContext ( type = manager . name , route = SERVICENAME ) ( mesg ) <EOL> manager . stop ( ) <EOL> pluginFactory . delete_plugin ( manager . model ) <EOL> if self . _task . running : self . _task . stop ( ) <EOL> Service . stopService ( self ) <EOL> @ defer . deferredGenerator <EOL> def allapps_action ( self , argstr ) : <EOL> """<STR_LIT>""" <EOL> result = { } <EOL> descriptions = [ ] <EOL> code = <NUM_LIT:0> <EOL> for obj in AppManager . objects : <EOL> try : <EOL> action = obj . action <EOL> if not action : continue <EOL> d = action ( argstr ) <EOL> wfd = defer . waitForDeferred ( d ) <EOL> yield wfd <EOL> foo = wfd . getResult ( ) <EOL> descriptions . append ( foo . get ( '<STR_LIT:description>' , '<STR_LIT:None>' ) ) <EOL> code += int ( foo . get ( '<STR_LIT:code>' , <NUM_LIT:0> ) ) <EOL> except : pass <EOL> result [ '<STR_LIT:description>' ] = '<STR_LIT:\n>' . join ( descriptions ) <EOL> if not result [ '<STR_LIT:description>' ] : <EOL> result [ '<STR_LIT:description>' ] = '<STR_LIT:None>' <EOL> result [ '<STR_LIT:code>' ] = code <EOL> yield result <EOL> def applist_action ( self , argstr ) : <EOL> """<STR_LIT>""" <EOL> result = { <EOL> '<STR_LIT:code>' : <NUM_LIT:0> , <EOL> '<STR_LIT>' : [ ] <EOL> } <EOL> for am in AppManager . objects : <EOL> if not am . running : continue <EOL> result [ '<STR_LIT>' ] . append ( am . name ) <EOL> result [ '<STR_LIT:description>' ] = '<STR_LIT:\n>' . join ( sorted ( result [ '<STR_LIT>' ] ) ) <EOL> return result <EOL> parentService = None <EOL> service = None <EOL> def install ( _parentService ) : <EOL> global parentService <EOL> parentService = _parentService <EOL> def start ( ) : <EOL> global service <EOL> if not running ( ) : <EOL> service = ApplicationLoader ( ) <EOL> service . setName ( SERVICENAME ) <EOL> service . setServiceParent ( parentService ) <EOL> def stop ( ) : <EOL> global service <EOL> if running ( ) : <EOL> service . disownServiceParent ( ) <EOL> service . stopService ( ) <EOL> service = None <EOL> def running ( ) : <EOL> return bool ( service ) and service . running <EOL> from kitt . proc import listProcesses , InvalidProcess <EOL> from droned . models . appmgr import AppManager , InvalidPlugin <EOL> from droned . models . event import Event <EOL> from droned . models . app import App , AppProcess , AppInstance <EOL> from droned . models . scab import Scab <EOL> from droned . models . server import Server , drone <EOL> __all__ = [ '<STR_LIT>' , '<STR_LIT:start>' , '<STR_LIT>' , '<STR_LIT>' ] </s>
