mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-10-31 03:12:30 +00:00
193abe24c1
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@5820 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
413 lines
13 KiB
Perl
413 lines
13 KiB
Perl
package xCAT_plugin::packimage;
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BEGIN
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{
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$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
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}
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use lib "$::XCATROOT/lib/perl";
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use xCAT::Table;
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use Getopt::Long;
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use File::Path;
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use File::Copy;
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use Cwd;
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use File::Temp;
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use File::Basename;
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use File::Path;
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use xCAT::Utils qw(genpassword);
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use xCAT::SvrUtils;
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Getopt::Long::Configure("bundling");
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Getopt::Long::Configure("pass_through");
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sub handled_commands {
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return {
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packimage => "packimage",
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}
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}
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sub process_request {
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my $request = shift;
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my $callback = shift;
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my $doreq = shift;
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my $installroot = xCAT::Utils->getInstallDir();
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@ARGV = @{$request->{arg}};
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my $argc = scalar @ARGV;
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if ($argc == 0) {
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$callback->({info=>["packimage -h \npackimage -v \npackimage [-p profile] [-a architecture] [-o OS] [-m method]\npackimage imagename"]});
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return;
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}
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my $osver;
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my $arch;
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my $profile;
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my $method='cpio';
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my $exlistloc;
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my $syncfile;
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my $rootimg_dir;
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my $destdir;
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my $imagename;
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GetOptions(
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"profile|p=s" => \$profile,
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"arch|a=s" => \$arch,
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"osver|o=s" => \$osver,
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"method|m=s" => \$method,
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"help|h" => \$help,
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"version|v" => \$version
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);
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if ($version) {
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my $version = xCAT::Utils->Version();
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$callback->({info=>[$version]});
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return;
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}
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if ($help) {
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$callback->({info=>["packimage -h \npackimage -v \npackimage [-p profile] [-a architecture] [-o OS] [-m method]\npackimage imagename"]});
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return;
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}
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if (@ARGV > 0) {
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$imagename=$ARGV[0];
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if ($arch or $osver or $profile) {
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$callback->({error=>["-o, -p and -a options are not allowed when a image name is specified."],errorcode=>[1]});
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return;
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}
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#load the module in memory
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eval {require("$::XCATROOT/lib/perl/xCAT/Table.pm")};
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if ($@) {
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$callback->({error=>[$@],errorcode=>[1]});
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return;
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}
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#get the info from the osimage and linux
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my $osimagetab=xCAT::Table->new('osimage', -create=>1);
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if (!$osimagetab) {
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$callback->({error=>["The osimage table cannot be opened."],errorcode=>[1]});
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return;
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}
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my $linuximagetab=xCAT::Table->new('linuximage', -create=>1);
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if (!$linuximagetab) {
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$callback->({error=>["The linuximage table cannot be opened."],errorcode=>[1]});
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return;
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}
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(my $ref) = $osimagetab->getAttribs({imagename => $imagename}, 'osvers', 'osarch', 'profile', 'provmethod', 'synclists');
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if (!$ref) {
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$callback->({error=>["Cannot find image \'$imagename\' from the osimage table."],errorcode=>[1]});
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return;
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}
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(my $ref1) = $linuximagetab->getAttribs({imagename => $imagename}, 'exlist', 'rootimgdir');
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if (!$ref1) {
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$callback->({error=>["Cannot find $imagename from the linuximage table."],errorcode=>[1]});
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return;
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}
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$osver=$ref->{'osvers'};
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$arch=$ref->{'osarch'};
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$profile=$ref->{'profile'};
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$syncfile=$ref->{'synclists'};
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my $provmethod=$ref->{'provmethod'};
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unless ($osver and $arch and $profile and $provmethod) {
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$callback->({error=>["osimage.osvers, osimage.osarch, osimage.profile and osimage.provmethod must be specified for the image $imagename in the database."],errorcode=>[1]});
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return;
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}
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if ($provmethod ne 'netboot') {
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$callback->({error=>["\'$imagename\' cannot be used to build diskless image. Make sure osimage.provmethod is 'netboot'."],errorcode=>[1]});
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return;
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}
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$exlistloc =$ref1->{'exlist'};
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$destdir=$ref1->{'rootimgdir'};
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}
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if (!$destdir)
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{
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$destdir="$installroot/netboot/$osver/$arch/$profile";
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}
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$rootimg_dir="$destdir/rootimg";
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my $distname = $osver;
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until (-r "$::XCATROOT/share/xcat/netboot/$distname/" or not $distname) {
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chop($distname);
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}
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unless ($distname) {
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$callback->({error=>["Unable to find $::XCATROOT/share/xcat/netboot directory for $osver"],errorcode=>[1]});
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return;
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}
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unless ($installroot) {
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$callback->({error=>["No installdir defined in site table"],errorcode=>[1]});
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return;
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}
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my $oldpath=cwd();
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if (!$imagename) {
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$exlistloc=xCAT::SvrUtils->get_exlist_file_name("$installroot/custom/netboot/$distname", $profile, $osver, $arch);
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if (!$exlistloc) { $exlistloc=xCAT::SvrUtils->get_exlist_file_name("$::XCATROOT/share/xcat/netboot/$distname", $profile, $osver, $arch); }
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}
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#if (!$exlistloc)
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#{
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# $callback->({data=>["WARNING: Unable to find file exclusion list under $installroot/custom/netboot/$distname or $::XCATROOT/share/xcat/netboot/$distname/ for $profile/$arch/$osver\n"]});
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#}
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my $excludestr = "find . ";
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my $includestr;
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if ($exlistloc) {
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my $exlist;
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my $excludetext;
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open($exlist,"<",$exlistloc);
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system("echo -n > /tmp/xcat_packimg.txt");
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while (<$exlist>) {
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$excludetext .= $_;
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}
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close($exlist);
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#handle the #INLCUDE# tag recursively
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my $idir = dirname($exlistloc);
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my $doneincludes=0;
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while (not $doneincludes) {
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$doneincludes=1;
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if ($excludetext =~ /#INCLUDE:[^#^\n]+#/) {
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$doneincludes=0;
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$excludetext =~ s/#INCLUDE:([^#^\n]+)#/include_file($1,$idir)/eg;
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}
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}
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my @tmp=split("\n", $excludetext);
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foreach (@tmp) {
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chomp $_;
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s/\s*#.*//; #-- remove comments
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next if /^\s*$/; #-- skip empty lines
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if (/^\+/) {
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s/^\+//; #remove '+'
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$includestr .= "-path '". $_ ."' -o ";
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} else {
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s/^\-//; #remove '-' if any
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$excludestr .= "'!' -path '".$_."' -a ";
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}
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}
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}
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$excludestr =~ s/-a $//;
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if ($includestr) {
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$includestr =~ s/-o $//;
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$includestr = "find . " . $includestr;
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}
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# print "\nexcludestr=$excludestr\n\n includestr=$includestr\n\n";
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# add the xCAT post scripts to the image
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if (! -d "$rootimg_dir") {
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$callback->({error=>["$rootimg_dir does not exist, run genimage -o $osver -p $profile on a server with matching architecture"]});
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return;
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}
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#some rpms like atftp mount the rootimg/proc to /proc, we need to make sure rootimg/proc is free of junk
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#before packaging the image
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`umount $rootimg_dir/proc`;
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copybootscript($installroot, $rootimg_dir, $osver, $arch, $profile, $callback);
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my $passtab = xCAT::Table->new('passwd');
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if ($passtab) {
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(my $pent) = $passtab->getAttribs({key=>'system',username=>'root'},'password');
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if ($pent and defined ($pent->{password})) {
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my $pass = $pent->{password};
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my $shadow;
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open($shadow,"<","$rootimg_dir/etc/shadow");
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my @shadents = <$shadow>;
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close($shadow);
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open($shadow,">","$rootimg_dir/etc/shadow");
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unless ($pass =~ /^\$1\$/) {
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$pass = crypt($pass,'$1$'.genpassword(8));
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}
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print $shadow "root:$pass:13880:0:99999:7:::\n";
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foreach (@shadents) {
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unless (/^root:/) {
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print $shadow "$_";
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}
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}
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close($shadow);
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}
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}
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# sync fils configured in the synclist to the rootimage
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if (!$imagename) {
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$syncfile = xCAT::SvrUtils->getsynclistfile(undef, $osver, $arch, $profile, "netboot");
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if (defined ($syncfile) && -f $syncfile
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&& -d $rootimg_dir) {
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print "sync files from $syncfile to the $rootimg_dir\n";
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`$::XCATROOT/bin/xdcp -i $rootimg_dir -F $syncfile`;
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}
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}
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my $verb = "Packing";
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if ($method =~ /nfs/) {
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$verb = "Prepping";
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}
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if ($method =~ /nfs/) {
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$callback->({data=>["\nNOTE: Contents of $rootimg_dir\nMUST be available on all service and management nodes and NFS exported."]});
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}
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my $temppath;
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my $oldumask;
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if (! -d $rootimg_dir) {
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$callback->({error=>["$rootimg_dir does not exist, run genimage -o $osver -p $profile on a server with matching architecture"]});
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return;
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}
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$callback->({data=>["$verb contents of $rootimg_dir"]});
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unlink("$destdir/rootimg.gz");
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unlink("$destdir/rootimg.sfs");
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unlink("$destdir/rootimg.nfs");
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if ($method =~ /cpio/) {
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if (!$exlistloc) {
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$excludestr = "find . |cpio -H newc -o | gzip -c - > ../rootimg.gz";
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}else {
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chdir("$rootimg_dir");
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system("$excludestr >> /tmp/xcat_packimg.txt");
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if ($includestr) {
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system("$includestr >> /tmp/xcat_packimg.txt");
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}
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#$excludestr =~ s!-a \z!|cpio -H newc -o | gzip -c - > ../rootimg.gz!;
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$excludestr = "cat /tmp/xcat_packimg.txt|cpio -H newc -o | gzip -c - > ../rootimg.gz";
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}
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$oldmask = umask 0077;
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} elsif ($method =~ /squashfs/) {
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$temppath = mkdtemp("/tmp/packimage.$$.XXXXXXXX");
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chmod 0755,$temppath;
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chdir("$rootimg_dir");
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system("$excludestr >> /tmp/xcat_packimg.txt");
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if ($includestr) {
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system("$includestr >> /tmp/xcat_packimg.txt");
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}
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$excludestr = "cat /tmp/xcat_packimg.txt|cpio -dump $temppath";
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} elsif ($method =~ /nfs/) {
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$excludestr = "touch ../rootimg.nfs";
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} else {
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$callback->({error=>["Invalid method '$method' requested"],errorcode=>[1]});
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}
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chdir("$rootimg_dir");
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system($excludestr);
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if ($method =~ /cpio/) {
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chmod 0644,"$destdir/rootimg.gz";
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umask $oldmask;
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} elsif ($method =~ /squashfs/) {
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my $flags;
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if ($arch =~ /x86/) {
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$flags="-le";
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} elsif ($arch =~ /ppc/) {
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$flags="-be";
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}
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if (! -x "/sbin/mksquashfs") {
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$callback->({error=>["mksquashfs not found, squashfs-tools rpm should be installed on the management node"],errorcode=>[1]});
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return;
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}
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my $rc = system("mksquashfs $temppath ../rootimg.sfs $flags");
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if ($rc) {
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$callback->({error=>["mksquashfs could not be run successfully"],errorcode=>[1]});
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return;
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}
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$rc = system("rm -rf $temppath");
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if ($rc) {
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$callback->({error=>["Failed to clean up temp space"],errorcode=>[1]});
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return;
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}
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chmod(0644,"../rootimg.sfs");
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}
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chdir($oldpath);
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if (!$imagename) {
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my @ret=xCAT::SvrUtils->update_tables_with_diskless_image($osver, $arch, $profile);
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if ($ret[0] != 0) {
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$callback->({error=>["Error when updating the osimage tables: " . $ret[1]]});
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}
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}
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}
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###########################################################
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#
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# copybootscript - copy the xCAT diskless init scripts to the image
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#
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#############################################################
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sub copybootscript {
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my $installroot = shift;
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my $rootimg_dir = shift;
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my $osver = shift;
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my $arch = shift;
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my $profile = shift;
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my $callback = shift;
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my @timezone = xCAT::Utils->get_site_attribute("timezone");
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if ( -f "$installroot/postscripts/xcatdsklspost") {
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# copy the xCAT diskless post script to the image
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mkpath("$rootimg_dir/opt/xcat");
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copy ("$installroot/postscripts/xcatdsklspost", "$rootimg_dir/opt/xcat/xcatdsklspost");
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if($timezone[0]) {
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copy ("$rootimg_dir/usr/share/zoneinfo/$timezone[0]", "$rootimg_dir/etc/localtime");
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}
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chmod(0755,"$rootimg_dir/opt/xcat/xcatdsklspost");
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} else {
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my $rsp;
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push @{$rsp->{data}}, "Could not find the script $installroot/postscripts/xcatdsklspost.\n";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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# the following block might need to be removed as xcatdsklspost.aix may no longer be used
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if ( -f "$installroot/postscripts/xcatdsklspost.aix") {
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copy ("$installroot/postscripts/xcatdsklspost.aix", "$rootimg_dir/opt/xcat/xcatdsklspost.aix");
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chmod(0755,"$rootimg_dir/opt/xcat/xcatdsklspost.aix");
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}
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if ( -f "$installroot/postscripts/xcatpostinit") {
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# copy the linux diskless init script to the image
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# - & set the permissions
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copy ("$installroot/postscripts/xcatpostinit","$rootimg_dir/etc/init.d/xcatpostinit");
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chmod(0755,"$rootimg_dir/etc/init.d/xcatpostinit");
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# run chkconfig
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#my $chkcmd = "chroot $rootimg_dir chkconfig --add xcatpostinit";
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symlink "/etc/init.d/xcatpostinit","$rootimg_dir/etc/rc3.d/S84xcatpostinit";
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symlink "/etc/init.d/xcatpostinit","$rootimg_dir/etc/rc4.d/S84xcatpostinit";
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symlink "/etc/init.d/xcatpostinit","$rootimg_dir/etc/rc5.d/S84xcatpostinit";
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#my $rc = system($chkcmd);
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#if ($rc) {
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#my $rsp;
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# push @{$rsp->{data}}, "Could not run the chkconfig command.\n";
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# xCAT::MsgUtils->message("E", $rsp, $callback);
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# return 1;
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# }
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} else {
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my $rsp;
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push @{$rsp->{data}}, "Could not find the script $installroot/postscripts/xcatpostinit.\n";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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return 0;
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}
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sub include_file
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{
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my $file = shift;
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my $idir = shift;
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my @text = ();
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unless ($file =~ /^\//) {
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$file = $idir."/".$file;
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}
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open(INCLUDE,$file) || \
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return "#INCLUDEBAD:cannot open $file#";
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while(<INCLUDE>) {
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chomp($_);
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s/\s+$//; #remove trailing spaces
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next if /^\s*$/; #-- skip empty lines
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push(@text, $_);
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}
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close(INCLUDE);
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return join("\n", @text);
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}
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