X-Git-Url: http://git.onelab.eu/?p=sface.git;a=blobdiff_plain;f=sface%2Fsfiprocess.py;h=6f2140be5149a09142ec930ab8196105563433d1;hp=9fd56a948964a075c96b9d6ef2d09066a13714e3;hb=9be93c1e7a8a2a4e0cd1c890e9ebe2acf6030787;hpb=7e1529e1c299394465308aebaed5ffb755d1007a diff --git a/sface/sfiprocess.py b/sface/sfiprocess.py index 9fd56a9..6f2140b 100644 --- a/sface/sfiprocess.py +++ b/sface/sfiprocess.py @@ -1,7 +1,11 @@ import os +import sys +import time + from PyQt4.QtCore import * -from sface.sficonfig import config +from sface.config import config +from sface.xmlrpcwindow import XmlrpcTracker def find_executable(exec_name): """find the given executable in $PATH""" @@ -17,17 +21,67 @@ class SfiProcess(QObject): def __init__(self, parent=None): QObject.__init__(self, parent) + env = QProcess.systemEnvironment() + env << "PYTHONPATH=%s" % ":".join(sys.path) + self.process = QProcess() + self.process.setEnvironment(env) + self.connect(self.process, SIGNAL("finished(int, QProcess::ExitStatus)"), + self.processFinished) + + self.xmlrpctracker = XmlrpcTracker() + + # holds aggregate output from processStandardOutput(); used by xmlrpc + # tracker. + self.output = "" + + self.connect(self.process, SIGNAL("readyReadStandardOutput()"), + self.processStandardOutput) + self.connect(self.process, SIGNAL("readyReadStandardError()"), + self.processStandardError) + def __init_command(self, args): self.args = QStringList() + if config.debug: + # this shows xmlrpc conversation, see sfi.py docs. + self.args << QString('-D') for arg in args: self.args << QString(arg) self.exe = find_executable("sfi.py") - self.process = QProcess() + if not self.exe: + print "FATAL.. Could not locate binary sfi.py - not much we can do without that" - self.finished = pyqtSignal() - self.connect(self.process, SIGNAL("finished(int, QProcess::ExitStatus)"), - self.finished) + def isRunning(self): + return self.process.state() != QProcess.NotRunning + + def processStandardOutput(self): + output = self.process.readAllStandardOutput() + self.output = self.output + output + if config.debug: + print output + + def processStandardError(self): + print self.process.readAllStandardError() + + def processFinished(self): + if self.process.exitStatus() == QProcess.CrashExit: + print self.readOutput() + print "Process exited with errors:", + err = self.process.error() + if err == QProcess.FailedToStart: + print "FailedToStart" + elif err == QProcess.Crashed: + print "Crashed" + elif err == QProcess.Timedout: + print "Timedout" + elif err == QProcess.WriteError: + print "WriteError" + elif err == QProcess.ReadError: + print "ReadError" + elif err == QProcess.UnknownError: + print "UnknownError" + self.trace_end() + self.emit(SIGNAL("finished()")) def __getRSpec(self, mgr): slice = config.getSlice() @@ -38,7 +92,7 @@ class SfiProcess(QObject): except: pass args = ["-u", config.getUser(), "-a", config.getAuthority(), - "-r", config.registry(), "-s", mgr, "resources", + "-r", config.getRegistry(), "-s", mgr, "resources", "-o", filename, slice] self.__init_command(args) @@ -46,21 +100,62 @@ class SfiProcess(QObject): return filename def getRSpecFromSM(self): - return self.__getRSpec(config.slicemgr()) + return self.__getRSpec(config.getSlicemgr()) - def getRSpecFromAM(self): - return self.__getRSpec(config.aggmgr()) +# def getRSpecFromAM(self): +# return self.__getRSpec(config.getAggmgr()) - def getRecord(self, hrn): - args = ["-u", config.getUser(), "-a", config.getAuthority(), - "-r", config.registry(), "-s", config.slicemgr(), "show", hrn] + def getRecord(self, hrn, filename=None): + args = ["-u", config.getUser(), "-a", config.getAuthority(), + "-r", config.getRegistry(), "-s", config.getSlicemgr(), "show", hrn] + if filename: + args.append("-o") + args.append(filename) + self.__init_command(args) + self.start() + + def applyRSpec(self, rspec): + filename = config.getSliceRSpecFile() + "_new" + rspec.save(filename) + args = ["-u", config.getUser(), "-a", config.getAuthority(), + "-r", config.getRegistry(), "-s", config.getSlicemgr(), "create", + config.getSlice(), filename] + self.__init_command(args) + self.start() + return filename + + def updateRecord(self, filename): + args = ["-u", config.getUser(), "-a", config.getAuthority(), + "-r", config.getRegistry(), "-s", config.getSlicemgr(), "update", filename] + self.__init_command(args) + self.start() + + def renewSlivers(self, expiration): + args = ["-u", config.getUser(), "-a", config.getAuthority(), + "-r", config.getRegistry(), "-s", config.getSlicemgr(), "renew", + config.getSlice(), expiration] self.__init_command(args) self.start() def start(self): + self.output = "" + self.trace_command() self.process.start(self.exe, self.args) def readOutput(self): if self.process.state() == QProcess.NotRunning: return self.process.readAll() + def trace_command (self): + if config.verbose: + self._trace=time.time() + command = "%s %s" % (self.exe, self.args.join(" ")) + print time.strftime('%H:%M:%S'),'Invoking',command + + def trace_end (self): + if config.verbose: +# command = "%s %s" % (self.exe, self.args.join(" ")) + print time.strftime('%H:%M:%S'),"Done [%.3f s]"%(time.time()-self._trace) + if config.debug: + self.xmlrpctracker.getAndPrint(self.output) +