def start(self, globalVars=None):
if not self.component or not self.component.host:
raise AttributeError('Host is not set for %s' % str(self))
if not self.isAlive():
self.clearScreenReaders()
if not self.canStart():
self.log.info('Cannot start Action "%s", no commands found' % (self.name))
return
self.log.info('Starting Action "%s". "%d" Commands / "%d" dependencies found' % (self.name, len(self._startCommands), len(self.dependencies)))
if len(self.dependencies):
self.log.info('Action depends on: %s' % list('%s>%s' % (item.component.getName(), item.name) for item in self.dependencies))
for dep in self.dependencies:
dep.start()
for cmd in self._startCommands.values():
channel = self.component.host.invokeShell()
command = self.createScreenCmd( cmd, globalVars )
hideLog = cmd.hideLog
self.startChannels.append(channel)
screen_name = self.name + '_run'
screenReader = ScreenReader( screen_name, channel, self.log, notifyStop=self.screenReaderStopped)
self.screenReaders['hide' if hideLog else 'show'].append(screenReader)
screenReader.start()
self.log.debug('Running start command "%s" by Action "%s"' % (command.replace('\n','\\n'), self.name))
channel.send(command)
self.constantlyCheckState( globalVars )
# if blocking is enabled for this command, wait for the screenreader to quit
if cmd.blocking and screenReader and screenReader.isAlive():
self.log.debug('Command requires blocking. Action "%s" joined the screenReader Thread. Waiting for it to finish' % self.name)
screenReader.join( 5.0 )
# notify EventHandler after all cmds run
if self.isAlive():
EventHistory.actionRun(self, self.component)
return True
else:
self.log.debug('Could not start action "%s", Action still active' % self.name)
return False
def stop(self, force=False, globalVars=None ):
if not self.component or not self.component.host:
raise AttributeError('Host is not set for %s' % str(self))
if not self.isAlive() and not force:
self.log.debug('Action "%s"::stop skipped because component is not alive')
return False
self.killStateChannel()
if not self.canStop():
self.log.info('Cannot stop Action "%s" (force=%s), no commands found' % (self.name, str(force)))
return
self.log.info('Stopping Action "%s" (force=%s). "%d" Commands found' % (self.name, str(force), len(self._stopCommands)))
for cmd in self._stopCommands.values():
channel = self.component.host.invokeShell()
command = self.createScreenCmd( cmd, globalVars )
hideLog = cmd.hideLog
self.log.debug('Running stop command "%s" by Action "%s"' % (command.replace('\n','\\n'), self.name))
screen_name = self.name + '_stop'
screenReader = ScreenReader( screen_name, channel, self.log, notifyStop=self.screenReaderStopped)
self.screenReaders['hide' if hideLog else 'show'].append(screenReader)
screenReader.start()
channel.send(command)
# if blocking is enabled for this command, wait for the screenreader to quit
if cmd.blocking and screenReader and screenReader.isAlive():
self.log.debug('Command requires blocking. Action "%s" joined the screenReader Thread. Waiting for it to finish' % self.name)
screenReader.join( 5.0 )
# Wait for all readers (start and stop) to finish
for reader in self.screenReaders['hide']+self.screenReaders['show']:
if reader and reader.isAlive():
self.log.debug('Action "%s"::stop joined the screenReader Thread. Waiting for it to finish' % self.name)
reader.join( 5.0 )
return True
