xen_xl.py 文件源码

def installXl(self, args = None):
        fd = open(self.config['template'])
        lvmDev = imp.load_source('xlConfig', '', fd).disk[0].split(',')[0][4:]
        fd.close()
        templateArgs = args.split(' ') if args is not None else []

        xl = subprocess.Popen(
            ['/usr/share/xen/templates/xen-%s' % (self.template), '--hostname=%s' % (self.name), '--dev=%s' % (lvmDev)] + templateArgs,
            stdin = subprocess.PIPE, stdout = subprocess.PIPE, stderr = subprocess.PIPE
        )
        stdOut, stdErr = xl.communicate()

        if xl.returncode == 0:
            if not os.path.exists('/var/lib/xen/%s' % (self.name)):
                os.mkdir('/var/lib/xen/%s' % (self.name), 0750)

            copyfile(self.config['template'], self.config['file'])
            self.state = self.getXlState()
            return True
        else:
            return False