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package SystemInstaller::Partition::IA;
# $Header: /cvsroot/systeminstaller/systeminstaller/lib/SystemInstaller/Partition/IA.pm,v 1.17 2002/10/31 20:08:50 mchasal Exp $
# Copyright (c) 2001 International Business Machines
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# Stacy Woods <spwoods@us.ibm.com>
# Sean Dague <sean@dague.net>
use vars qw($VERSION);
$VERSION = sprintf("%d.%02d", q$Revision: 1.17 $ =~ /(\d+)\.(\d+)/);
use strict;
use vars qw(@EXPORT @ISA $drive_prefix $systemimager_path);
use Exporter;
use SystemInstaller::Log qw(verbose);
use SystemInstaller::Image;
use Data::Dumper;
use Carp;
$systemimager_path = "/etc/systemimager";
sub create_partition_file {
# Reads the partition_file and creates the necessary files needed for
# partitioning and filesystem initialization.
# Input: image path
# Returns: 1 if failure, 0 if ok
#
my $ipath = shift;
my %DISKS = @_;
my @found_devices;
my %disk_devices;
my $device;
my $device_on_list;
&verbose("Creating partition files for intel architecture.");
if ($main::config->diskversion eq "2") {
&create_fstab_file($ipath,%DISKS);
&build_sfdisk_file($ipath,%DISKS);
} elsif ($main::config->diskversion eq "3") {
&build_aiconf_file($ipath,%DISKS);
} else {
carp("Disk table version is invalid in systeminstaller.conf file.");
return 1;
}
&create_systemconfig_conf($ipath,%DISKS);
return 0;
} #read_partition_file
sub build_aiconf_file {
# Create an autoinstallscript.conf file to be used
# be used by SystemImager's mkautoinstallscript.
# Input: partition table created from input partition_file
# Returns:
my ($image_dir,%DISKS) = @_;
local *AICONF;
# Can we get the filename from the systemimager.conf file?
unless (open (AICONF,"> $image_dir/etc/systemimager/autoinstallscript.conf")) {
carp("Can't open autoinstallscript.conf in image.");
return 1;
}
my ($sec, $min, $hour, $mday,$mon, $year, $wday, $yday, $isdst) = localtime(time);
$year=$year+1900;
$mon++;
my $timestamp="$year-$mon-$mday $hour:$min:$sec";
print AICONF "<!--\n";
print AICONF "\tThis autoinstallscript.conf file was generated by SystemInstaller\n";
print AICONF "\tfor use by SystemImager when creating the autoinstall script.\n";
print AICONF "\tThis file generated at: $timestamp\n";
print AICONF "\tfrom: $DISKS{FILENAME}\n";
print AICONF "\tImage directory: $image_dir\n";
print AICONF "-->\n";
print AICONF "<config>\n";
# Set the defaults for globals if not given.
unless ($DISKS{LABEL_TYPE}) {
$DISKS{LABEL_TYPE}="msdos";
}
unless ($DISKS{UNITS}) {
$DISKS{UNITS}="MB";
}
# First do the disk partitions
foreach my $disk (keys(%{$DISKS{DRIVES}})) {
print AICONF "\t<disk dev=\"$disk\" ";
print AICONF "label_type=\"$DISKS{LABEL_TYPE}\" ";
print AICONF "unit_of_measurement=\"$DISKS{UNITS}\">\n";
my $extparcreated=0;
# First do the primary partitions
foreach my $parnum (1..4) {
my $parname=$disk.$parnum;
if (defined $DISKS{PARTITIONS}{$parname}) {
print AICONF "\t\t<part num=\"$DISKS{PARTITIONS}{$parname}{PNUM}\" ";
print AICONF "size=\"$DISKS{PARTITIONS}{$parname}{SIZE}\" ";
if ($DISKS{PARTITIONS}{$parname}{TYPE} == 5) {
print AICONF "p_type=\"extended\" ";
$extparcreated++;
} else {
print AICONF "p_type=\"primary\" ";
}
if ($DISKS{PARTITIONS}{$parname}{TYPE} == 41) {
print AICONF "id=\"$DISKS{PARTITIONS}{$parname}{TYPE}\" ";
}
if ($DISKS{PARTITIONS}{$parname}{BOOTABLE} ) {
print AICONF "flags=\"boot\" ";
}
print AICONF "/>\n";
} elsif ((! $extparcreated )&&(defined $DISKS{PARTITIONS}{$disk."5"}) ){
print AICONF "\t\t<part num=\"$parnum\" size=\"\*\" ";
print AICONF "p_type=\"extended\" ";
print AICONF "/>\n";
$extparcreated++;
}
}
# Now the logical partitions
foreach my $parname (@{$DISKS{DRIVES}{$disk}}) {
if ($DISKS{PARTITIONS}{$parname}{PNUM} > 4) {
print AICONF "\t\t<part num=\"$DISKS{PARTITIONS}{$parname}{PNUM}\" ";
print AICONF "size=\"$DISKS{PARTITIONS}{$parname}{SIZE}\" ";
print AICONF "p_type=\"logical\" ";
if ($DISKS{PARTITIONS}{$parname}{BOOTABLE} ) {
print AICONF "flags=\"boot\" ";
}
print AICONF "/>\n";
}
}
print AICONF "\t</disk>\n";
}
# Now do the filesystems
my $lcount=100;
foreach my $dev (@{$DISKS{MOUNTORDER}}) {
if ( ($DISKS{FILESYSTEMS}{$dev}{TYPE} ne "nfs") &&
($DISKS{FILESYSTEMS}{$dev}{TYPE} ne "extended") &&
($DISKS{FILESYSTEMS}{$dev}{TYPE} ne "PReP" )) {
print AICONF "\t<fsinfo line=\"$lcount\" ";
if ($DISKS{FILESYSTEMS}{$dev}{TYPE} eq "swap") {
print AICONF "real_dev=\"$DISKS{FILESYSTEMS}{$dev}{DEVICE}\" ";
print AICONF "mp=\"swap\" fs=\"swap\" options=\"defaults\" dump=\"0\" pass=\"0\" ";
} elsif ($DISKS{FILESYSTEMS}{$dev}{TYPE} eq "proc") {
print AICONF "real_dev=\"none\" ";
print AICONF "mp=\"/proc\" fs=\"$DISKS{FILESYSTEMS}{$dev}{TYPE}\" ";
print AICONF "options=\"defaults\" dump=\"0\" pass=\"0\" ";
} elsif ($DISKS{FILESYSTEMS}{$dev}{TYPE} eq "devpts") {
print AICONF "real_dev=\"none\" ";
print AICONF "mp=\"/dev/pts\" fs=\"$DISKS{FILESYSTEMS}{$dev}{TYPE}\" ";
print AICONF "options=\"defaults\" dump=\"0\" pass=\"0\" ";
} elsif ($DISKS{FILESYSTEMS}{$dev}{DEVICE} =~ /^\/dev\/fd[0-9]*$/) {
print AICONF "real_dev=\"$DISKS{FILESYSTEMS}{$dev}{DEVICE}\" ";
print AICONF "mp=\"$DISKS{FILESYSTEMS}{$dev}{MOUNT}\" ";
print AICONF "fs=\"$DISKS{FILESYSTEMS}{$dev}{TYPE}\" ";
print AICONF "options=\"$DISKS{FILESYSTEMS}{$dev}{OPTIONS}\" ";
print AICONF "dump=\"0\" pass=\"0\" ";
} else {
print AICONF "real_dev=\"$DISKS{FILESYSTEMS}{$dev}{DEVICE}\" ";
print AICONF "mp=\"$DISKS{FILESYSTEMS}{$dev}{MOUNT}\" ";
print AICONF "fs=\"$DISKS{FILESYSTEMS}{$dev}{TYPE}\" ";
print AICONF "options=\"$DISKS{FILESYSTEMS}{$dev}{OPTIONS}\" ";
print AICONF "dump=\"1\" pass=\"2\" ";
}
print AICONF "/>\n";
$lcount++;
}
}
#
# Now do the nfs filesystems
&verbose("Finding nfs filesystems");
foreach my $dev (@{$DISKS{MOUNTORDER}}) {
if ($DISKS{FILESYSTEMS}{$dev}{TYPE} eq "nfs") {
print AICONF "\t<fsinfo line=\"$lcount\" ";
print AICONF "real_dev=\"$DISKS{FILESYSTEMS}{$dev}{DEVICE}\" ";
print AICONF "mp=\"$DISKS{FILESYSTEMS}{$dev}{MOUNT}\" ";
print AICONF "fs=\"$DISKS{FILESYSTEMS}{$dev}{TYPE}\" ";
print AICONF "options=\"$DISKS{FILESYSTEMS}{$dev}{OPTIONS}\" ";
print AICONF "dump=\"0\" pass=\"0\" ";
print AICONF "/>\n";
$lcount++;
}
}
print AICONF "</config>\n";
close AICONF;
return 0;
} # build_aiconf_file
sub build_sfdisk_file {
# Create a file that resembles the output of "sfdisk -l -uM <dev>" which will
# be used by SystemImager getimage to build a sfdisk command.
# Input: partition table created from input partition_file
# Returns:
my ($image_dir,%DISKS) = @_;
my @opendevs;
my %DISKPARS=();
# remove existing device files
system("/bin/rm -f $image_dir/$systemimager_path/partitionschemes/*");
&verbose("Mapping partitions to disks.");
foreach my $dev (keys(%{$DISKS{PARTITIONS}})) {
# Figure out the diskname
my $diskname=$dev;
$diskname=~s/[0-9]*$//;
$diskname=~s/^\/dev\///;
my $parnum=$dev;
$parnum=~s/\/dev\/$diskname//;
$DISKPARS{$diskname}[$parnum]=$dev;
}
foreach my $disk (keys(%DISKPARS)) {
my $extended_par_created = 1;
# Start the file for this disk
&verbose("Initializing file for $disk");
unless (open(SFDISK_FILE,">$image_dir/$systemimager_path/partitionschemes/$disk")) {
carp("Unable to create disk partition file $image_dir/$systemimager_path/partitionschemes/$disk");
return 1;
}
print SFDISK_FILE "\n##File created by SystemInstaller for input to SystemImager##\n";
print SFDISK_FILE "Units = megabytes\n\n";
print SFDISK_FILE "Device\tBoot\tStart\tEnd\tMB\t#blocks\tId\n";
# Now put the partitions in there.
foreach my $parnum (1..4) {
my $dev=$DISKPARS{$disk}[$parnum];
if ($dev=~/.*dev*/ ) {
print SFDISK_FILE "$dev $DISKS{PARTITIONS}{$dev}{BOOTABLE} \t0 \txx \t$DISKS{PARTITIONS}{$dev}{SIZE} \txx \t$DISKS{PARTITIONS}{$dev}{TYPE}\n";
} elsif ($extended_par_created && (scalar(@{$DISKPARS{$disk}})-1) > 4 ) {
print SFDISK_FILE "/dev/$disk$parnum \t0 \txx \t99 \txx \t5\n";
$extended_par_created = 0;
} else {
print SFDISK_FILE "/dev/$disk$parnum \t0 \txx \t0 \txx \t0\n";
}
}
foreach my $parnum (5..(scalar(@{$DISKPARS{$disk}})-1)) {
my $dev=$DISKPARS{$disk}[$parnum];
print SFDISK_FILE "$dev $DISKS{PARTITIONS}{$dev}{BOOTABLE} \t0 \txx \t$DISKS{PARTITIONS}{$dev}{SIZE} \txx \t$DISKS{PARTITIONS}{$dev}{TYPE}\n";
}
}
return 0;
} # build_sfdisk_file
sub create_fstab_file {
# Create the /etc/fstab file for the image
# Input: image path, hash array from partition_file input
# Returns: 1 if failure, 0 if ok
my ($ipath,%DISKS) = @_;
my $rootfound=0;
&verbose("Creating /etc/fstab file for image.");
unless (open(FSTAB,">$ipath/etc/fstab")) {
carp("Could not open the file $ipath/etc/fstab\n");
return 1;
}
&verbose("Finding local filesystems");
foreach my $dev (@{$DISKS{MOUNTORDER}}) {
if ( ($DISKS{FILESYSTEMS}{$dev}{TYPE} ne "nfs") &&
($DISKS{FILESYSTEMS}{$dev}{TYPE} ne "PReP" )) {
if ($DISKS{FILESYSTEMS}{$dev}{TYPE} eq "swap") {
print FSTAB "$DISKS{FILESYSTEMS}{$dev}{DEVICE} \tswap \t\tswap \tdefaults \t0 0\n";
} elsif ($DISKS{FILESYSTEMS}{$dev}{TYPE} =~ /^proc|devpts$/) {
print FSTAB "none \t\t$DISKS{FILESYSTEMS}{$dev}{MOUNT} \t\t$DISKS{FILESYSTEMS}{$dev}{TYPE} \t$DISKS{FILESYSTEMS}{$dev}{OPTIONS} \t0 0\n";
} elsif ($DISKS{FILESYSTEMS}{$dev}{DEVICE} =~ /^\/dev\/fd[0-9]*$/) {
print FSTAB "$DISKS{FILESYSTEMS}{$dev}{DEVICE} \t$DISKS{FILESYSTEMS}{$dev}{MOUNT} \t$DISKS{FILESYSTEMS}{$dev}{TYPE} \t$DISKS{FILESYSTEMS}{$dev}{OPTIONS} \t0 0\n";
} else {
print FSTAB "$DISKS{FILESYSTEMS}{$dev}{DEVICE} \t$DISKS{FILESYSTEMS}{$dev}{MOUNT} \t\t$DISKS{FILESYSTEMS}{$dev}{TYPE} \t$DISKS{FILESYSTEMS}{$dev}{OPTIONS} \t1 2\n";
}
}
}
# Now do the nfs filesystems
&verbose("Finding nfs filesystems");
foreach my $dev (@{$DISKS{MOUNTORDER}}) {
if ($DISKS{FILESYSTEMS}{$dev}{TYPE} eq "nfs") {
print FSTAB "$DISKS{FILESYSTEMS}{$dev}{DEVICE} \t$DISKS{FILESYSTEMS}{$dev}{MOUNT} \t\t$DISKS{FILESYSTEMS}{$dev}{TYPE} \t$DISKS{FILESYSTEMS}{$dev}{OPTIONS} \t0 0\n";
}
}
close(FSTAB);
return 0;
} # create_fstab_file
sub create_systemconfig_conf {
# Create the /etc/systemconfig/systemconfig.conf file for the image
# Input: image path, %DISKS structure
# Returns: 1 if failure, 0 if ok
my ($ipath,%DISKS) = @_;
&verbose("Modifying systemconfig.conf file for image.");
foreach my $dev (keys %{$DISKS{FILESYSTEMS}}) {
if ($DISKS{FILESYSTEMS}{$dev}{MOUNT} eq "/") {
my $drive=$dev;
if ($drive=~/c[0-9]+d[0-9]+p[0-9]*$/) {
$drive=~s/p[0-9]*$//;
} else {
$drive=~s/[0-9]*$//;
}
return write_scconf($ipath,$dev,$drive);
}
}
return 1;
} # create_systemconfig_conf
=head1 NAME
SystemInstaller::Partition::IA - Creates the partitioning and filesystem files required for machines with ia64 or x86 architecture.
=head1 SYNOPSIS
use SystemInstaller::Partition::IA;
if (&SystemInstaller::Partition::IA::create_partition_file($image_path,%DISKS){
printf "Partition files not created\n";
}
=head1 DESCRIPTION
The routines for partitioning and filesystem initialization for the ia64 and x86 machines.
=head1 FUNCTIONS
=over 4
=item create_partition_file($path,%DISKS)
Applies the partition and filesystem information in the %DISKS hash to
the image stored at $path.
=head1 AUTHOR
Michael Chase-Salerno, mchasal@users.sf.net,
Stacy Woods, spwoods@us.ibm.com
=head1 SEE ALSO
L<SystemInstaller::Partition>, mksidisk(1)
=cut
1;
|
