Пример #1
0
Файл: xen.py Проект: Benocs/core
 def untarpersistent(self, tarname, iso):
     ''' Unpack a persistent template tar file to the mounted mount dir.
         Uses fsimage library to read from an ISO file.
     '''
     tarname = tarname.replace('%h', self.name) # filename may use hostname
     if iso:
         try:
             fs = fsimage.open(self.isofile, 0)
         except IOError as e:
             self.warn("Failed to open ISO file: %s (%s)" % (self.isofile,e))
             return
         try:
             tardata = fs.open_file(tarname).read();
         except IOError as e:
             self.warn("Failed to open tar file: %s (%s)" % (tarname, e))
             return
         finally:
             del fs;
     else:
         try:
             f = open(tarname)
             tardata = f.read()
             f.close()
         except IOError as e:
             self.warn("Failed to open tar file: %s (%s)" % (tarname, e))
             return
     p = subprocess.Popen([TAR_PATH, '-C', self.mountdir, '--numeric-owner',
                          '-xf', '-'], stdin=subprocess.PIPE)
     p.communicate(input=tardata)
     p.wait()
Пример #2
0
 def untarpersistent(self, tarname, iso):
     """
     Unpack a persistent template tar file to the mounted mount dir.
     Uses fsimage library to read from an ISO file.
     """
     # filename may use hostname
     tarname = tarname.replace("%h", self.name)
     if iso:
         try:
             fs = fsimage.open(self.isofile, 0)
         except IOError:
             logger.exception("Failed to open ISO file: %s", self.isofile)
             return
         try:
             tardata = fs.open_file(tarname).read()
         except IOError:
             logger.exception("Failed to open tar file: %s", tarname)
             return
         finally:
             del fs
     else:
         try:
             f = open(tarname)
             tardata = f.read()
             f.close()
         except IOError:
             logger.exception("Failed to open tar file: %s", tarname)
             return
     p = subprocess.Popen(
         [TAR_PATH, "-C", self.mountdir, "--numeric-owner", "-xf", "-"],
         stdin=subprocess.PIPE)
     p.communicate(input=tardata)
     p.wait()
Пример #3
0
 def untarpersistent(self, tarname, iso):
     ''' Unpack a persistent template tar file to the mounted mount dir.
         Uses fsimage library to read from an ISO file.
     '''
     tarname = tarname.replace('%h', self.name) # filename may use hostname
     if iso:
         try:
             fs = fsimage.open(self.isofile, 0)
         except IOError, e:
             self.warn("Failed to open ISO file: %s (%s)" % (self.isofile,e))
             return
         try:
             tardata = fs.open_file(tarname).read();
         except IOError, e:
             self.warn("Failed to open tar file: %s (%s)" % (tarname, e))
             return
Пример #4
0
 def untarpersistent(self, tarname, iso):
     ''' Unpack a persistent template tar file to the mounted mount dir.
         Uses fsimage library to read from an ISO file.
     '''
     tarname = tarname.replace('%h', self.name) # filename may use hostname
     if iso:
         try:
             fs = fsimage.open(self.isofile, 0)
         except IOError, e:
             self.warn("Failed to open ISO file: %s (%s)" % (self.isofile,e))
             return
         try:
             tardata = fs.open_file(tarname).read();
         except IOError, e:
             self.warn("Failed to open tar file: %s (%s)" % (tarname, e))
             return