def _pidDied(self, pid, status, name=None):
"""
Called automatically from collectChildren, after a pid has
been collected through waitpid().
If the pid is for a command, then we call status functions,
commandCompleted and commandErrored, which can be overridden
by plugins.
"""
if name is None:
name = self._pids.get(pid, 'Unknown')
self.info('Pid %s (%s) died' % (pid, name))
for command in list(self.commands):
if pid == command.pid:
self._foundResult = True
command.commandDied(status)
if command.isErrored():
self.info('%s (Pid %s) errored' % (name, pid))
f = command.getFailureReason()
self.error(f)
self.commandErrored(command.getCommandId(), f)
else:
self.info('%s (Pid %s) completed' % (name, pid))
self.commandCompleted(command.getCommandId())
if command.getChrootFactory():
self.chrootManager.chrootFinished(
command.getChrootFactory().getRoot())
self.commands.remove(command)
break
server.Server._pidDied(self, pid, status, name)
def _pidDied(self, pid, status, name=None):
"""
Called automatically from collectChildren, after a pid has
been collected through waitpid().
If the pid is for a command, then we call status functions,
commandCompleted and commandErrored, which can be overridden
by plugins.
"""
if name is None:
name = self._pids.get(pid, 'Unknown')
self.info('Pid %s (%s) died' % (pid, name))
for command in list(self.commands):
if pid == command.pid:
self._foundResult = True
command.commandDied(status)
if command.isErrored():
self.info('%s (Pid %s) errored' % (name, pid))
f = command.getFailureReason()
self.error(f)
self.commandErrored(command.getCommandId(), f)
else:
self.info('%s (Pid %s) completed' % (name, pid))
self.commandCompleted(command.getCommandId())
if command.getChrootFactory():
self.chrootManager.chrootFinished(
command.getChrootFactory().getRoot())
self.commands.remove(command)
break
server.Server._pidDied(self, pid, status, name)
def runCommand(self, commandClass, cfg, commandId, *args):
"""
Start the given command by instantiating the given class.
Returns the command object that was created unless there
was an error instantiating the command object, in which
case None is returned.
The function may also return False, which means that the
command could not be run at this time (but did not error)
If the command is forked, then the command object is appended
the the list of running commands.
"""
command = None
try:
# errors before this point imply a problem w/ the node.
# Below this point it is a problem w/ the command.
command = commandClass(cfg, commandId, *args)
if not command.isReady():
return False
if command.shouldFork():
inF, outF = pipereader.makeMarshalPipes()
pid = self._fork('Command %s' % command.getCommandId())
if not pid:
try:
self._resetSignalHandlers()
inF.close()
command.setWritePipe(outF)
command.runCommandAndExit()
finally:
os._exit(1)
else:
command.pid = pid
outF.close()
command.setReadPipe(inF)
self.commands.append(command)
else:
command.runCommandNoExit()
self.commandCompleted(command.getCommandId())
except Exception, err:
self.error(
'Command %s got exception: %s: %s' % (commandId, err.__class__.__name__, err))
tb = traceback.format_exc()
self.commandErrored(commandId, str(err), tb)
if command:
command.commandErrored(str(err), tb)
def runCommand(self, commandClass, cfg, commandId, *args):
"""
Start the given command by instantiating the given class.
Returns the command object that was created unless there
was an error instantiating the command object, in which
case None is returned.
The function may also return False, which means that the
command could not be run at this time (but did not error)
If the command is forked, then the command object is appended
the the list of running commands.
"""
command = None
try:
# errors before this point imply a problem w/ the node.
# Below this point it is a problem w/ the command.
command = commandClass(cfg, commandId, *args)
if not command.isReady():
return False
if command.shouldFork():
inF, outF = pipereader.makeMarshalPipes()
pid = self._fork('Command %s' % command.getCommandId())
if not pid:
try:
self._resetSignalHandlers()
inF.close()
command.setWritePipe(outF)
command.runCommandAndExit()
finally:
os._exit(1)
else:
command.pid = pid
outF.close()
command.setReadPipe(inF)
self.commands.append(command)
else:
command.runCommandNoExit()
self.commandCompleted(command.getCommandId())
except Exception, err:
self.error('Command %s got exception: %s: %s' %
(commandId, err.__class__.__name__, err))
tb = traceback.format_exc()
self.commandErrored(commandId, str(err), tb)
if command:
command.commandErrored(str(err), tb)
