mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-10-31 03:12:30 +00:00
added statelite options
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@4717 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
vallard
@@ -46,6 +46,7 @@ my $srcdir_otherpkgs;
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my $otherpkglist;
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my $postinstall_filename;
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my $rootimg_dir;
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my $rwfiles; # these files are used by statelite for tmpfs rw
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sub xdie {
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system("rm -rf /tmp/xcatinitrd.$$");
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@@ -62,7 +63,8 @@ GetOptions(
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'r=s' => \$othernics,
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'l=s' => \$rootlimit,
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't=s' => \$tmplimit,
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'k=s' => \$kernelver
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'k=s' => \$kernelver,
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'm=s' => \$mode
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);
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if (@ARGV > 0) {
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$imagename=$ARGV[0];
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@@ -149,15 +151,18 @@ if (!$destdir)
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}
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$rootimg_dir="$destdir/rootimg";
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unless ($osver and $profile and $netdriver and $prinic) {
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print 'Usage: genimage -i <nodebootif> -n <nodenetdrivers> [-r <otherifaces>] -o <OSVER> -p <PROFILE> -k <KERNELVER>'."\n";
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print 'Usage: genimage -i <nodebootif> -n <nodenetdrivers> [-r <otherifaces>] -o <OSVER> -p <PROFILE> -k <KERNELVER> -m <mode>'."\n";
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print ' genimage -i <nodebootif> -n <nodenetdrivers> [-r <otherifaces>] -k <KERNELVER> <imagename>'."\n";
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print "Examples:\n";
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print " genimage -i eth0 -n tg3 -o centos5.1 -p compute\n";
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print " genimage -i eth0 -r eth1,eth2 -n tg3,bnx2 -o centos5.1 -p compute\n";
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print " genimage -i eth0 -n igb,e1000e,e1000,bnx2,tg3 -o centos5.4 -p nfsroot -m statelite\n";
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print " genimage -i eth0 -n tg3 myimage\n";
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exit 1;
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}
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my @ndrivers;
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foreach (split /,/,$netdriver) {
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unless (/\.ko$/) {
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@@ -168,6 +173,14 @@ foreach (split /,/,$netdriver) {
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}
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push @ndrivers,$_;
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}
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if($mode eq "statelite"){
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push @ndrivers,"fscache.ko";
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push @ndrivers,"sunrpc.ko";
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push @ndrivers,"lockd.ko";
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push @ndrivers,"nfs_acl.ko";
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push @ndrivers,"nfs.ko";
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}
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unless ($onlyinitrd) {
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@yumdirs=();
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@@ -188,6 +201,35 @@ unless ($onlyinitrd) {
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$repnum-=1;
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close($yumconfig);
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mkpath "$rootimg_dir/etc";
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# statelite snapshots directory added here.
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# this is where tmpfs will be created.
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if($mode eq "statelite"){
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mkpath "$rootimg_dir/.snapshot"; # create place for NFS mounts.
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# get all the rw files that go in tmpfs
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$rwfiles = get_rwfiles_file_name($customdir);
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if (!$rwfiles) {
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$rwfiles= get_rwfiles_file_name($pathtofiles);
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}
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if(!$rwfiles){
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print "Unable to find r/w file list. Make a file called $profile.rwfiles with all the necessary read/write files\n";
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exit 1;
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}
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# copyt the rwfiles to /.snapshot/files for the initfs to use.
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copy("$rwfiles","$rootimg_dir/.snapshot/files");
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# also need to create stub file for booting since this is read only
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mkpath "$rootimg_dir/var/lib/dhclient/";
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# create an empty file
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open(FH,">$rootimg_dir/var/lib/dhclient/dhclient-$prinic.leases");
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close(FH);
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open(FH,">$rootimg_dir/var/lib/random-seed");
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close(FH);
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# link mtab.
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system("ln -sf /proc/mounts $rootimg_dir/etc/mtab");
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}
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my $fd;
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open($fd,">>","$rootimg_dir/etc/fstab");
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print $fd "#Dummy fstab for rpm postscripts to see\n";
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@@ -385,8 +427,117 @@ sub mkinitrd {
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mkpath("/tmp/xcatinitrd.$$/etc/ld.so.conf.d");
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mkpath("/tmp/xcatinitrd.$$/var/lib/dhclient");
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my $inifile;
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# start writing to the init script.
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open($inifile,">","/tmp/xcatinitrd.$$/init");
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print $inifile "#!/sbin/busybox.anaconda sh\n";
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# add some functions
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print $inifile <<EOS1;
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NEWROOT="/sysroot"
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SHELL="/bin/sh"
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RWDIR=".snapshot"
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# Define some colors
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RESET="\033[0m"
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RED="\033[31m"
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CYAN="\033[36m"
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YELLOW="\033[33m\033[1m"
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GREEN="\033[32m"
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PINK="\033[35m\033[1m"
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MAGENTA="\033[35m"
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BROWN="\033[33m"
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# This function is used to mount files/directories from the snapshot directory
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# over the root directory.
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# This function stolen from redhat
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shell() {
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echo ''
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echo -e "\$YELLOW Entering rescue/debug init shell."
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echo -e " Exit shell to continue booting.\$RESET"
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\$SHELL
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}
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mountfile () {
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snapshotfile=\${NEWROOT}/\${RWDIR}/\${2}\${1}
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dir=`dirname \$snapshotfile`
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#
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# Check if file already exists in snapshot directory. If not attempt to copy
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# from root directory to snapshot directory.
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#
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if [ ! -e \$snapshotfile ]; then
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mkdir -p \$dir || echo -e "\${RED}Can't make \$dir\${NORMAL}"
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#echo -e "\${YELLOW} \${1} missing from client specific area.\${RESET}"
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if [ -e \$NEWROOT/\${1} ] ; then
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#echo "Copying \${1}"
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rsync -a \$NEWROOT/\${1} \$snapshotfile
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else
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#echo "Creating \${1}"
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touch \$snapshotfile
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fi
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fi
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#
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# Mount the snapshotfile over the root file so the client will have r/w access
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#
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mount -n -o bind \$NEWROOT/.snapshot/\${2}\${1} \$NEWROOT/\${1}
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}
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fancydisplay () {
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clear
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echo -e "\$CYAN"
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echo "
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7=I?~=+7 =?77777?7
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7=77I~~? =~ ?=I7777?7
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7+=IIIII+~+ +,,: I,,,:77 ?=IIIIIII~77
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?~?IIIIIIII??7 ~,,,,7 ,,,,,,~ ?=IIIIIIII?~7
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7?IIIIIIIIIIII+=~,,,,,~7 +,,,,,,,+:=IIIIIIIIII77
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?IIIIIIIIIIIII?~:,,,,,,~ 7 =,,,,,,,,~:?IIIIII777I=I
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IIII777777IIII+~,,,,,,,,I 7 7 ?,,,,,:::,,:~=IIIIII?+~::+
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777?77 7I?77I~~,,:::,,,,~=,:I777777777?7I:,,,,,,,,,,~+II,~+?III7
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7 I?~:?+=~~:,,,~,,,,,,,,,,,:,,,,,,,,=+~,:=?=:~~~II7
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I:+~=+=~==::~,,~::~,,,::::,::~,,,:7+:+???77
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,~=++~?I,,~:~:~==:~:~~~+::~:~,,,,,+?=77=7
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+I7777:,~~~=+=+??+=~~+??++++=+?=~,,,,,,=
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?,,,,:=?=:::????????????II+:,,,=:,,,,,,
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,,:~:=+=:,,,,:???I77?+?7=:,,,,~I:,,,,,,:
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::,:,::++?::,,,,I77~?7I?~,,,::+~,,,,,,,,,,
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=,,:~:++~~I?+=:::==,,:~7I::~~?II?~=,,+?:,,,+
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,:~~=I?~?~~=?I+++I::?+?:?++II7+~:~,,,,:,,==:?
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7:?7I++~~==+?++++=~~::~=~:=+~~:=7?=::+++,,,,~
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7,,,:+==III+=~~=+====?I+===+?III?7I,=~~~:~=,
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,~+??==:~+77777?++??+=?I?++?777=,=~:::=I7=
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+=,:=~===~=,,,7777+?=~:I=7777~:~:~~===+?=~
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I~=~~II+===:,,,,:+::,,,,,I,~:,,::~====+?~ 7
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7+~=+=?II==~:~::,:~+:,,,,,:I::~:~~~==++=~~
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7I=~~~~~=II=~==~~~:~:~I~,,,,,,,:~+=:~~~~==~=~~~=7
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77777 +~~~~~~~~~~7I+II+=~~~~=:=~:,,,:,,==::~~~~~~+?I+=~~~~=7
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7=:~~~~:~~~~~~~=~~ 7=+II=~~~~+?:,,~,:,++~~~~~~==? 7I?=~~~~~~~?7 7~:+
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?:~~~~~~~~~~==II ~~~~~~~::,::::,=?=~~=+II 7II=~~~~~~~~:::~~~~
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7?~~~~~~~~~?II ~~~~~~==7I++??~~~+I? 7?I?~~~~~~~~~~~~~~
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??~~~~~~~?I 7==~~=:,~I~,~~?I? 7II=~~~~~~~~~~~~7
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I~::::~II 7 +~:::~:,,:~?~~7 I++~:::::~=?I
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~:::::?I 7 7::::::~=+~~ 7I7+:::~I?7
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I~::::::= I~:::~~7 ::7=::+7
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I?==+?I7 7~~7I=I7
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II77 7=+7I7
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77
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"
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echo -e "\$RESET"
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echo -e "\$YELLOW"
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echo '
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_________ ________________
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___ __\\_ ___ \\ / _ \\__ ___/
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\\ \\/ / \\ \\/ / /_\\ \\| |
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> <\\ \\____/ | \\ |
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/__/\\_ \\\\______ /\\____|__ /____|
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\\/ \\/ \\/
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'
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echo -e "\$RESET"
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}
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EOS1
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print $inifile "busybox.anaconda mount -t proc /proc /proc\n";
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print $inifile "busybox.anaconda --install\n";
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print $inifile "mount -t sysfs /sys /sys\n";
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@@ -423,9 +574,11 @@ sub mkinitrd {
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print $inifile "insmod /lib/$_\n";
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}
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print $inifile <<EOMS;
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# check and see if debug is specified on command line
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grep '\(debug\)' /proc/cmdline > /dev/null && DEBUG=1
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netstart
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while ! ifconfig | grep inet; do
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echo Failed to acquire address, retrying
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echo -e "\${RED}Failed to acquire address, retrying \${RESET}"
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sleep 1
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netstart
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done
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@@ -443,7 +596,8 @@ for i in `cat /proc/cmdline`; do
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while [ ! -r "\$FILENAME" ]; do
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echo Getting \$VALUE...
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if ! wget \$VALUE; then
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sleep 5 #should be random, exponential for scale
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ST=`expr \$RANDOM % 5`
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sleep \$ST
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rm -f \$FILENAME
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fi
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done
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@@ -454,9 +608,127 @@ for i in `cat /proc/cmdline`; do
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SERVER=`echo \$VALUE|awk -F/ '{print \$3}'`
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ROOTDIR=`echo \$VALUE|awk -F/ '{for(i=4;i<=NF;i++) printf "/%s",\$i}'`
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fi
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# for NFS root
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elif [ "\$KEY" == 'NFSROOT' ]; then
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NFSROOT=1
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VALUE=`echo \$i |awk -F= '{print \$2}'`
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SERVER=`echo \$VALUE|awk -F: '{print \$1}'`
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ROOTDIR=`echo \$VALUE|awk -F/ '{for(i=2;i<=NF;i++) printf "/%s",\$i}'`
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elif [ "\$KEY" == 'SNAPSHOT' ]; then
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NFSROOT=1
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VALUE=`echo \$i |awk -F= '{print \$2}'`
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SNAPSHOTSERVER=`echo \$VALUE|awk -F: '{print \$1}'`
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SNAPSHOTROOT=`echo \$VALUE|awk -F/ '{for(i=2;i<=NF;i++) printf "/%s",\$i}'`
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fi
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done
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# show xCAT logo
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fancydisplay
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# go to debug shell if shell is specified.
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grep '\(shell\)' /proc/cmdline > /dev/null && shell
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echo 0 > /proc/sys/vm/zone_reclaim_mode #Avoid kernel bug
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# NFSROOT code here:
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if [ "\$NFSROOT" = "1" ]; then
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echo Setting up nfs with ram overlay.
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# for loop back mounting capability!
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mknod /dev/loop0 b 7 0
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mkdir -p \$NEWROOT
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MAXTRIES=5
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ITER=0
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ME=`hostname`
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while ! mount.nfs \${SERVER}:\${ROOTDIR}/rootimg \$NEWROOT -r -n -o nolock,rsize=32768,udp,nfsvers=3,timeo=14
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do
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ITER=\$(expr \$ITER + 1)
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if [ "\$ITER" == "\$MAXTRIES" ]
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then
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echo "You're dead. rpower \$ME boot to play again."
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echo "Possible problems:
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1. This initrd wasn't created for statelite node? rerun genimage with the -m statelite flag, then rerun 'nodeset \$ME statelite'
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2. Is DNS set up? Maybe that's why I can't mount \${SERVER}.
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3. The nfs modules aren't set right in this initfs?"
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shell
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exit
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fi
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echo -e "\${RED}Could not mount \$SERVER:\$ROOTDIR on \$NEWROOT \$RESET"
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RS=`expr \$RANDOM % 30`
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echo -e "Trying again in \$RS seconds"
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sleep \$RS
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done
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# now we need to mount the rest of the system. This is the read/write portions
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#echo "Mounting Snapshot directories"
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if [ ! -e "\$NEWROOT/\$RWDIR" ]
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then
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echo ""
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echo -e "\${RED}Hmmm... this NFS root directory doesn't have a /.snapshot directory for me to mount a rw filesystem. You'd better create it... \${NORMAL}"
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echo "."
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shell
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fi
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grep '\(shell\)' /proc/cmdline >/dev/null && shell
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if [ -e "\$NEWROOT/\$RWDIR/files" ]; then
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mkdir -p /rw
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mount -t tmpfs rw /rw
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cp \$NEWROOT/\$RWDIR/files /rw/ # copy the files from .snapshot here now
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mount -n --bind /rw \$NEWROOT/\$RWDIR # remount read/writable
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for i in `grep -v "^#" \$NEWROOT/\$RWDIR/files`; do
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if [ -e \$NEWROOT/\$i ]; then
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mountfile \$i \$ME
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fi;
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done
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else
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echo -e "\${RED}\$NEWROOT/\$RWDIR/files does not exist! I need a list of files to mount read write... or else we'll try mounting everything read only. \$RESET"
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shell
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fi
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# have to preserve the initial DHCP request. So we link it.
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|
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if [ ! -d \$NEWROOT/\$RWDIR/\$ME/var/lib/dhclient ]
|
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then
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mkdir -p \$NEWROOT/\$RWDIR/\$ME/var/lib/dhclient
|
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fi
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|
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cp -fp /var/lib/dhclient/dhclient.leases \$NEWROOT/\$RWDIR/\$ME/var/lib/dhclient/dhclient-$prinic.leases
|
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while ! mount -n --bind \$NEWROOT/\$RWDIR/\$ME/var/lib/dhclient/dhclient-$prinic.leases \$NEWROOT/var/lib/dhclient/dhclient-$prinic.leases;
|
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do
|
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echo -e "\${RED}The file /var/lib/dhclient/dhclient-$prinic.leases on your NFS root doesn't exist. I can't bind mount to it :-( \${RESET}"
|
||||
echo -e "\${PINK}You'd better create it! :-) \${RESET}"
|
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shell
|
||||
done
|
||||
|
||||
# mount /etc/resolv.conf!
|
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mkdir -p \$NEWROOT/\$RWDIR/\$ME/etc
|
||||
cp /etc/resolv.conf \$NEWROOT/\$RWDIR/\$ME/etc/
|
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mount -n --bind \$NEWROOT/\$RWDIR/\$ME/etc/resolv.conf \$NEWROOT/\$RWDIR/\$ME/etc/resolv.conf
|
||||
|
||||
echo 0x100 > /proc/sys/kernel/real-root-dev
|
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export keep_old_ip=yes
|
||||
export fastboot=yes
|
||||
export READONLY=yes
|
||||
mount -n --bind /dev /sysroot/dev
|
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umount /sys
|
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umount /proc
|
||||
|
||||
if ! exec /sbin/switch_root -c /dev/console \$NEWROOT /sbin/init
|
||||
then
|
||||
echo ""
|
||||
echo -e "\${RED}Couldn't switch_root. Something must be wrong with NFS root image.\${RESET}"
|
||||
mount -t proc proc /proc
|
||||
shell
|
||||
fi
|
||||
exit
|
||||
fi
|
||||
# END NFSROOT/Statelite code
|
||||
|
||||
# RAM root Hybrid with NFS root
|
||||
if [ "\$NFS" = "1" ]; then
|
||||
echo Setting up nfs with ram overlay.
|
||||
mknod /dev/loop0 b 7 0
|
||||
@@ -466,7 +738,8 @@ if [ "\$NFS" = "1" ]; then
|
||||
while [ ! -d /ro/bin ]; do
|
||||
echo mounting \$SERVER:\$ROOTDIR on /ro
|
||||
mount.nfs \$SERVER:\$ROOTDIR /ro -r -n -o nolock,rsize=32768,udp,nfsvers=3,timeo=14
|
||||
sleep 5 #should be random, exponential for scale
|
||||
ST=`expr \$RANDOM % 5`
|
||||
sleep \$ST
|
||||
done
|
||||
mount -t tmpfs rw /rw
|
||||
mkdir -p /rw/etc
|
||||
@@ -536,6 +809,11 @@ EOMS
|
||||
print $inifile "mknod /sysroot/dev/console c 5 1\n";
|
||||
print $inifile "exec switch_root -c /dev/console /sysroot /sbin/init\n";
|
||||
close($inifile);
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
open($inifile,">"."/tmp/xcatinitrd.$$/bin/netstart");
|
||||
print $inifile "#!/sbin/nash\n";
|
||||
print $inifile "network --device $prinic --bootproto dhcp\n";
|
||||
@@ -550,8 +828,8 @@ EOMS
|
||||
push @filestoadd,[$_,"lib/$_"];
|
||||
}
|
||||
}
|
||||
|
||||
foreach ("bin/cpio","sbin/nash","sbin/busybox.anaconda","sbin/rmmod","sbin/mount.nfs") {
|
||||
# add rsync for statelite
|
||||
foreach ("bin/cpio","sbin/nash","sbin/busybox.anaconda","sbin/rmmod","sbin/mount.nfs","/usr/bin/rsync") {
|
||||
getlibs($_);
|
||||
push @filestoadd,$_;
|
||||
}
|
||||
@@ -728,9 +1006,7 @@ sub generic_post { #This function is meant to leave the image in a state approxi
|
||||
chmod(0755,"$rootimg_dir/etc/rc3.d/S60gettyset");
|
||||
#link("$rootimg_dir/sbin/init","$rootimg_dir/init");
|
||||
|
||||
rename(<$rootimg_dir/boot/vmlinuz*>,"$destdir/kernel");
|
||||
}
|
||||
|
||||
rename(<$rootimg_dir/boot/vmlinuz*>,"$destdir/kernel"); }
|
||||
|
||||
#get th extra package name
|
||||
sub get_extra_package_names {
|
||||
@@ -848,10 +1124,26 @@ sub get_pkglist_file_name {
|
||||
} elsif (-r "$base/$profile.pkglist") {
|
||||
return "$base/$profile.pkglist";
|
||||
}
|
||||
|
||||
return "";
|
||||
}
|
||||
|
||||
sub get_rwfiles_file_name {
|
||||
my $base=shift;
|
||||
if (-r "$base/$profile.$osver.$arch.rwfiles") {
|
||||
return "$base/$profile.$osver.$arch.rwfiles";
|
||||
} elsif (-r "$base/$profile.$arch.rwfiles") {
|
||||
return "$base/$profile.$arch.rwfiles";
|
||||
} elsif (-r "$base/$profile.$osver.rwfiles") {
|
||||
return "$base/$profile.$osver.rwfiles";
|
||||
} elsif (-r "$base/$profile.rwfiles") {
|
||||
return "$base/$profile.rwfiles";
|
||||
}
|
||||
return "";
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
sub get_postinstall_file_name {
|
||||
my $base=shift;
|
||||
if (-x "$base/$profile.$osver.$arch.postinstall") {
|
||||
@@ -867,3 +1159,4 @@ sub get_postinstall_file_name {
|
||||
return "";
|
||||
}
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user