X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=source%2Fsteps%2FInstallInit.py;h=077852c1df568fcad92a844b229fd4e6f668416d;hb=6dbdbad233ca8770d2f9913c161a3da3f7b8130d;hp=8182002827656717fb718f1289de4c69e4696b58;hpb=d7d45eb9ef727324735774fd42e432730f8845db;p=bootmanager.git diff --git a/source/steps/InstallInit.py b/source/steps/InstallInit.py index 8182002..077852c 100644 --- a/source/steps/InstallInit.py +++ b/source/steps/InstallInit.py @@ -1,57 +1,22 @@ +#!/usr/bin/python2 +# # Copyright (c) 2003 Intel Corporation # All rights reserved. +# +# Copyright (c) 2004-2006 The Trustees of Princeton University +# All rights reserved. +# expected /proc/partitions format -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: - -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. - -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials provided -# with the distribution. - -# * Neither the name of the Intel Corporation nor the names of its -# contributors may be used to endorse or promote products derived -# from this software without specific prior written permission. - -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR -# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -# EXPORT LAWS: THIS LICENSE ADDS NO RESTRICTIONS TO THE EXPORT LAWS OF -# YOUR JURISDICTION. It is licensee's responsibility to comply with any -# export regulations applicable in licensee's jurisdiction. Under -# CURRENT (May 2000) U.S. export regulations this software is eligible -# for export from the U.S. and can be downloaded by or otherwise -# exported or reexported worldwide EXCEPT to U.S. embargoed destinations -# which include Cuba, Iraq, Libya, North Korea, Iran, Syria, Sudan, -# Afghanistan and any other country to which the U.S. has embargoed -# goods and services. - - - -import os, sys, shutil -import string +import os, sys, string import utils +from Exceptions import * - -def Run( vars, log ): +def Run(vars, log): """ Setup the install environment: - unmount anything in the temp/sysimg path (possible from previous - aborted installs + aborted installs) - create temp directories Expect the following variables from the store: @@ -61,51 +26,68 @@ def Run( vars, log ): PLCONF_DIR The directory to store the configuration file in Sets the following variables: - SYSIMG_PATH the directory where the system image will be mounted, - (= TEMP_PATH/SYSIMG_DIR) + SYSIMG_PATH the directory where the system image will be mounted, + (= TEMP_PATH/SYSIMG_DIR) """ log.write( "\n\nStep: Install: Initializing.\n" ) # make sure we have the variables we need try: - TEMP_PATH= vars["TEMP_PATH"] + TEMP_PATH = vars["TEMP_PATH"] if TEMP_PATH == "": raise ValueError("TEMP_PATH") - SYSIMG_PATH= vars["SYSIMG_PATH"] + SYSIMG_PATH = vars["SYSIMG_PATH"] if SYSIMG_PATH == "": raise ValueError("SYSIMG_PATH") - PLCONF_DIR= vars["PLCONF_DIR"] + PLCONF_DIR = vars["PLCONF_DIR"] if PLCONF_DIR == "": - raise ValueError, "PLCONF_DIR" + raise ValueError("PLCONF_DIR") - except KeyError, var: - raise BootManagerException, "Missing variable in vars: %s\n" % var - except ValueError, var: - raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var + except KeyError as var: + raise BootManagerException("Missing variable in vars: {}\n".format(var)) + except ValueError as var: + raise BootManagerException("Variable in vars, shouldn't be: {}\n".format(var)) # if this is a fresh install, then nothing should be # here, but we support restarted installs without rebooting # so who knows what the current state is - log.write( "Unmounting any previous mounts\n" ) - utils.sysexec_noerr( "chroot %s umount /rcfs" % SYSIMG_PATH, log ) - utils.sysexec_noerr( "umount %s/proc" % SYSIMG_PATH, log ) - utils.sysexec_noerr( "umount %s/mnt/cdrom" % SYSIMG_PATH, log ) - utils.sysexec_noerr( "umount %s/vservers" % SYSIMG_PATH, log ) - utils.sysexec_noerr( "umount %s" % SYSIMG_PATH, log ) - - log.write( "Removing any old files, directories\n" ) - utils.removedir( TEMP_PATH ) + log.write("Unmounting any previous mounts\n") + + try: + # backwards compat, though, we should never hit this case post PL 3.2 + os.stat("{}/rcfs/taskclass".format(SYSIMG_PATH)) + utils.sysexec_chroot_noerr( SYSIMG_PATH, "umount /rcfs", log ) + except OSError, e: + pass + + # NOTE: added /sys and /dev b/c some nodes fail due to this when disk is + # nearly full. + utils.sysexec_noerr("umount {}/proc".format(SYSIMG_PATH), log ) + utils.sysexec_noerr("umount {}/mnt/cdrom".format(SYSIMG_PATH), log ) + utils.sysexec_noerr("umount {}/vservers".format(SYSIMG_PATH), log ) + utils.sysexec_noerr("umount {}/sys".format(SYSIMG_PATH), log ) + utils.sysexec_noerr("umount {}/dev".format(SYSIMG_PATH), log ) + utils.sysexec_noerr("umount {}".format(SYSIMG_PATH), log ) + vars['ROOT_MOUNTED'] = 0 + +# log.write( "Removing any old files, directories\n" ) +# utils.removedir(TEMP_PATH) - log.write( "Cleaning up any existing PlanetLab config files\n" ) - utils.removedir( PLCONF_DIR ) + log.write("Cleaning up any existing PlanetLab config files\n") + try: + flist = os.listdir(PLCONF_DIR) + for file in flist: + utils.removedir(file) + except OSError: + pass # create the temp path and sysimg path. since sysimg # path is in temp path, both are created here log.write( "Creating system image path\n" ) - utils.makedirs( SYSIMG_PATH ) + utils.makedirs(SYSIMG_PATH) return 1