check in all bootmanager sources

[bootmanager.git] / source / steps / InstallInit.py

diff --git a/source/steps/InstallInit.py b/source/steps/InstallInit.py
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+++ b/source/steps/InstallInit.py
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+# Copyright (c) 2003 Intel Corporation
+# All rights reserved.
+
+# 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 utils
+
+
+def Run( vars, log ):
+    """
+    Setup the install environment:
+    - unmount anything in the temp/sysimg path (possible from previous
+      aborted installs
+    - create temp directories
+    
+    Expect the following variables from the store:
+    TEMP_PATH         the path to download and store temp files to
+    SYSIMG_DIR        the directory name of the system image
+                      contained in TEMP_PATH
+    PLCONF_DIR        The directory to store the configuration file in
+    ALPINA_SERVER_DIR The dir on the server where the support files are
+    
+    Sets the following variables:
+    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"]
+        if TEMP_PATH == "":
+            raise ValueError("TEMP_PATH")
+
+        SYSIMG_PATH= vars["SYSIMG_PATH"]
+        if SYSIMG_PATH == "":
+            raise ValueError("SYSIMG_PATH")
+
+        PLCONF_DIR= vars["PLCONF_DIR"]
+        if PLCONF_DIR == "":
+            raise ValueError, "PLCONF_DIR"
+
+        ALPINA_SERVER_DIR= vars["ALPINA_SERVER_DIR"]
+        if ALPINA_SERVER_DIR == "":
+            raise ValueError, "ALPINA_SERVER_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
+
+    # 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( "Cleaning up any existing PlanetLab config files\n" )
+    utils.removedir( PLCONF_DIR )
+    
+    # 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 )
+
+    return 1