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#!/usr/bin/env perl
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
package xCAT::SvrUtils ;
BEGIN
{
$ ::XCATROOT = $ ENV { 'XCATROOT' } ? $ ENV { 'XCATROOT' } : '/opt/xcat' ;
}
use lib "$::XCATROOT/lib/perl" ;
require xCAT::Table ;
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require xCAT::Utils ;
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require xCAT::TableUtils ;
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require xCAT::NetworkUtils ;
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use File::Basename ;
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use File::Path ;
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use strict ;
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use Exporter ;
our @ ISA = qw/Exporter/ ;
our @ EXPORT_OK = qw/sendmsg/ ;
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#-------------------------------------------------------------------------------
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= head3 getNodesetStates
get current nodeset stat for the given nodes
Arguments:
nodes - - a pointer to an array of nodes
hashref - - A pointer to a hash that contains the nodeset status .
Returns:
( ret code , error message )
= cut
#-------------------------------------------------------------------------------
sub getNodesetStates
{
my $ noderef = shift ;
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if ( $ noderef =~ /xCAT::SvrUtils/ )
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{
$ noderef = shift ;
}
my @ nodes = @$ noderef ;
my $ hashref = shift ;
if ( @ nodes > 0 )
{
my $ tab = xCAT::Table - > new ( 'noderes' ) ;
if ( ! $ tab ) { return ( 1 , "Unable to open noderes table." ) ; }
my @ aixnodes = ( ) ;
my @ pxenodes = ( ) ;
my @ yabootnodes = ( ) ;
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my @ xnbanodes = ( ) ;
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my $ tabdata = $ tab - > getNodesAttribs ( \ @ nodes , [ 'node' , 'netboot' ] ) ;
foreach my $ node ( @ nodes )
{
my $ nb = "aixinstall" ;
my $ tmp1 = $ tabdata - > { $ node } - > [ 0 ] ;
if ( ( $ tmp1 ) && ( $ tmp1 - > { netboot } ) ) { $ nb = $ tmp1 - > { netboot } ; }
if ( $ nb eq "yaboot" )
{
push ( @ yabootnodes , $ node ) ;
}
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elsif ( $ nb eq "xnba" )
{
push ( @ xnbanodes , $ node ) ;
}
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elsif ( $ nb eq "pxe" )
{
push ( @ pxenodes , $ node ) ;
}
elsif ( $ nb eq "aixinstall" )
{
push ( @ aixnodes , $ node ) ;
}
}
my @ retarray ;
my $ retcode = 0 ;
my $ errormsg ;
# print "ya=@yabootnodes, pxe=@pxenodes, aix=@aixnodes\n";
if ( @ yabootnodes > 0 )
{
require xCAT_plugin::yaboot ;
@ retarray =
xCAT_plugin::yaboot:: getNodesetStates ( \ @ yabootnodes , $ hashref ) ;
if ( $ retarray [ 0 ] )
{
$ retcode = $ retarray [ 0 ] ;
$ errormsg . = $ retarray [ 1 ] ;
xCAT::MsgUtils - > message ( 'E' , $ retarray [ 1 ] ) ;
}
}
if ( @ pxenodes > 0 )
{
require xCAT_plugin::pxe ;
@ retarray =
xCAT_plugin::pxe:: getNodesetStates ( \ @ pxenodes , $ hashref ) ;
if ( $ retarray [ 0 ] )
{
$ retcode = $ retarray [ 0 ] ;
$ errormsg . = $ retarray [ 1 ] ;
xCAT::MsgUtils - > message ( 'E' , $ retarray [ 1 ] ) ;
}
}
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if ( @ xnbanodes > 0 )
{
require xCAT_plugin::xnba ;
@ retarray =
xCAT_plugin::xnba:: getNodesetStates ( \ @ xnbanodes , $ hashref ) ;
if ( $ retarray [ 0 ] )
{
$ retcode = $ retarray [ 0 ] ;
$ errormsg . = $ retarray [ 1 ] ;
xCAT::MsgUtils - > message ( 'E' , $ retarray [ 1 ] ) ;
}
}
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if ( @ aixnodes > 0 )
{
require xCAT_plugin::aixinstall ;
@ retarray =
xCAT_plugin::aixinstall:: getNodesetStates ( \ @ aixnodes , $ hashref ) ;
if ( $ retarray [ 0 ] )
{
$ retcode = $ retarray [ 0 ] ;
$ errormsg . = $ retarray [ 1 ] ;
xCAT::MsgUtils - > message ( 'E' , $ retarray [ 1 ] ) ;
}
}
}
return ( 0 , "" ) ;
}
#-------------------------------------------------------------------------------
= head3 get_nodeset_state
get current nodeset stat for the given node .
Arguments:
nodes - - node name .
Returns:
nodesetstate
= cut
#-------------------------------------------------------------------------------
sub get_nodeset_state
{
my $ node = shift ;
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if ( $ node =~ /xCAT::SvrUtils/ )
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{
$ node = shift ;
}
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my % options = @ _ ;
my % gnopts ;
if ( $ options { prefetchcache } ) { $ gnopts { prefetchcache } = 1 ; }
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my $ state = "undefined" ;
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my $ tftpdir ;
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#get boot type (pxe, yaboot or aixinstall) for the node
my $ noderestab = xCAT::Table - > new ( 'noderes' , - create = > 0 ) ;
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my $ ent = $ noderestab - > getNodeAttribs ( $ node , [ qw( netboot tftpdir ) ] , % gnopts ) ;
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#get tftpdir from the noderes table, if not defined get it from site talbe
if ( $ ent && $ ent - > { tftpdir } ) {
$ tftpdir = $ ent - > { tftpdir } ;
}
if ( ! $ tftpdir ) {
if ( $ ::XCATSITEVALS { tftpdir } ) {
$ tftpdir = $ ::XCATSITEVALS { tftpdir } ;
}
}
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if ( $ ent && $ ent - > { netboot } )
{
my $ boottype = $ ent - > { netboot } ;
#get nodeset state from corresponding files
if ( $ boottype eq "pxe" )
{
require xCAT_plugin::pxe ;
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my $ tmp = xCAT_plugin::pxe:: getstate ( $ node , $ tftpdir ) ;
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my @ a = split ( ' ' , $ tmp ) ;
$ state = $ a [ 0 ] ;
}
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elsif ( $ boottype eq "xnba" )
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{
require xCAT_plugin::xnba ;
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my $ tmp = xCAT_plugin::xnba:: getstate ( $ node , $ tftpdir ) ;
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my @ a = split ( ' ' , $ tmp ) ;
$ state = $ a [ 0 ] ;
}
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elsif ( $ boottype eq "yaboot" )
{
require xCAT_plugin::yaboot ;
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my $ tmp = xCAT_plugin::yaboot:: getstate ( $ node , $ tftpdir ) ;
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my @ a = split ( ' ' , $ tmp ) ;
$ state = $ a [ 0 ] ;
}
elsif ( $ boottype eq "aixinstall" )
{
require xCAT_plugin::aixinstall ;
$ state = xCAT_plugin::aixinstall:: getNodesetState ( $ node ) ;
}
}
else
{ #default to AIX because AIX does not set noderes.netboot value
require xCAT_plugin::aixinstall ;
$ state = xCAT_plugin::aixinstall:: getNodesetState ( $ node ) ;
}
#get the nodeset state from the chain table as a backup.
if ( $ state eq "undefined" )
{
my $ chaintab = xCAT::Table - > new ( 'chain' ) ;
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my $ stref = $ chaintab - > getNodeAttribs ( $ node , [ 'currstate' ] , % gnopts ) ;
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if ( $ stref and $ stref - > { currstate } ) { $ state = $ stref - > { currstate } ; }
}
return $ state ;
}
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#-----------------------------------------------------------------------------
= head3 getsynclistfile
Get the synclist file for the nodes ;
The arguments $ os , $ arch , $ profile , $ insttype are only available when no $ nodes is specified
Arguments:
$ nodes
$ os
$ arch
$ profile
$ insttype - installation type ( can be install or netboot )
Returns:
When specified $ nodes: reference of a hash of node = > synclist
Otherwise: full path of the synclist file
Globals:
none
Error:
Example:
my $ node_syncfile = xCAT::SvrUtils - > getsynclistfile ( $ nodes ) ;
my $ syncfile = xCAT::SvrUtils - > getsynclistfile ( undef , 'sles11' , 'ppc64' , 'compute' , 'netboot' ) ;
Comments:
none
= cut
#-----------------------------------------------------------------------------
sub getsynclistfile ()
{
my $ nodes = shift ;
if ( ( $ nodes ) && ( $ nodes =~ /xCAT::SvrUtils/ ) )
{
$ nodes = shift ;
}
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my ( $ os , $ arch , $ profile , $ inst_type , $ imgname ) = @ _ ;
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my $ installdir = xCAT::TableUtils - > getInstallDir ( ) ;
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# for aix node, use the node figure out the profile, then use the value of
# profile (osimage name) to get the synclist file path (osimage.synclists)
if ( xCAT::Utils - > isAIX ( ) ) {
my % node_syncfile = ( ) ;
my % osimage_syncfile = ( ) ;
my @ profiles = ( ) ;
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if ( $ nodes ) {
# get the profile attributes for the nodes
my $ nodetype_t = xCAT::Table - > new ( 'nodetype' ) ;
unless ( $ nodetype_t ) {
return ;
}
my $ nodetype_v = $ nodetype_t - > getNodesAttribs ( $ nodes , [ 'profile' , 'provmethod' ] ) ;
# the vaule of profile for AIX node is the osimage name
foreach my $ node ( @$ nodes ) {
my $ profile = $ nodetype_v - > { $ node } - > [ 0 ] - > { 'profile' } ;
my $ provmethod = $ nodetype_v - > { $ node } - > [ 0 ] - > { 'provmethod' } ;
if ( $ provmethod ) {
$ profile = $ provmethod ;
}
$ node_syncfile { $ node } = $ profile ;
if ( ! grep /$profile/ , @ profiles ) {
push @ profiles , $ profile ;
}
}
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}
# get the syncfiles base on the osimage
my $ osimage_t = xCAT::Table - > new ( 'osimage' ) ;
unless ( $ osimage_t ) {
return ;
}
foreach my $ osimage ( @ profiles ) {
my $ synclist = $ osimage_t - > getAttribs ( { imagename = > "$osimage" } , 'synclists' ) ;
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$ osimage_syncfile { $ osimage } = $ synclist - > { 'synclists' } ;
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}
# set the syncfiles to the nodes
foreach my $ node ( @$ nodes ) {
$ node_syncfile { $ node } = $ osimage_syncfile { $ node_syncfile { $ node } } ;
}
return \ % node_syncfile ;
}
# if does not specify the $node param, default consider for genimage command
if ( $ nodes ) {
my % node_syncfile = ( ) ;
# get the os,arch,profile attributes for the nodes
my $ nodetype_t = xCAT::Table - > new ( 'nodetype' ) ;
unless ( $ nodetype_t ) {
return ;
}
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my $ nodetype_v = $ nodetype_t - > getNodesAttribs ( $ nodes , [ 'profile' , 'os' , 'arch' , 'provmethod' ] ) ;
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foreach my $ node ( @$ nodes ) {
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my $ provmethod = $ nodetype_v - > { $ node } - > [ 0 ] - > { 'provmethod' } ;
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if ( ( $ provmethod ) && ( $ provmethod ne "install" ) && ( $ provmethod ne "netboot" ) && ( $ provmethod ne "statelite" ) ) {
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# get the syncfiles base on the osimage
my $ osimage_t = xCAT::Table - > new ( 'osimage' ) ;
unless ( $ osimage_t ) {
return ;
}
my $ synclist = $ osimage_t - > getAttribs ( { imagename = > $ provmethod } , 'synclists' ) ;
if ( $ synclist && $ synclist - > { 'synclists' } ) {
$ node_syncfile { $ node } = $ synclist - > { 'synclists' } ;
}
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} else {
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$ inst_type = "install" ;
if ( $ provmethod eq "netboot" || $ provmethod eq "diskless" || $ provmethod eq "statelite" ) {
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$ inst_type = "netboot" ;
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}
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$ profile = $ nodetype_v - > { $ node } - > [ 0 ] - > { 'profile' } ;
$ os = $ nodetype_v - > { $ node } - > [ 0 ] - > { 'os' } ;
$ arch = $ nodetype_v - > { $ node } - > [ 0 ] - > { 'arch' } ;
my $ platform = "" ;
if ( $ os ) {
if ( $ os =~ /rh.*/ ) { $ platform = "rh" ; }
elsif ( $ os =~ /centos.*/ ) { $ platform = "centos" ; }
elsif ( $ os =~ /fedora.*/ ) { $ platform = "fedora" ; }
elsif ( $ os =~ /sles.*/ ) { $ platform = "sles" ; }
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elsif ( $ os =~ /SL.*/ ) { $ platform = "SL" ; }
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elsif ( $ os =~ /ubuntu.*/ ) { $ platform = "ubuntu" ; }
elsif ( $ os =~ /debian.*/ ) { $ platform = "debian" ; }
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elsif ( $ os =~ /AIX.*/ ) { $ platform = "AIX" ; }
}
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my $ base = "$installdir/custom/$inst_type/$platform" ;
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$ node_syncfile { $ node } = xCAT::SvrUtils:: get_file_name ( $ base , "synclist" , $ profile , $ os , $ arch ) ;
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}
}
return \ % node_syncfile ;
} else {
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if ( $ imgname ) {
my $ osimage_t = xCAT::Table - > new ( 'osimage' ) ;
unless ( $ osimage_t ) {
return ;
}
my $ synclist = $ osimage_t - > getAttribs ( { imagename = > $ imgname } , 'synclists' ) ;
if ( $ synclist && $ synclist - > { 'synclists' } ) {
return $ synclist - > { 'synclists' } ;
}
}
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my $ platform = "" ;
if ( $ os ) {
if ( $ os =~ /rh.*/ ) { $ platform = "rh" ; }
elsif ( $ os =~ /centos.*/ ) { $ platform = "centos" ; }
elsif ( $ os =~ /fedora.*/ ) { $ platform = "fedora" ; }
elsif ( $ os =~ /sles.*/ ) { $ platform = "sles" ; }
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elsif ( $ os =~ /SL.*/ ) { $ platform = "SL" ; }
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elsif ( $ os =~ /ubuntu.*/ ) { $ platform = "ubuntu" ; }
elsif ( $ os =~ /debian.*/ ) { $ platform = "debian" ; }
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elsif ( $ os =~ /AIX.*/ ) { $ platform = "AIX" ; }
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elsif ( $ os =~ /win/ ) { $ platform = "windows" ; }
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}
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my $ base = "$installdir/custom/$inst_type/$platform" ;
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return xCAT::SvrUtils:: get_file_name ( $ base , "synclist" , $ profile , $ os , $ arch ) ;
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}
}
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sub get_file_name {
my ( $ searchpath , $ extension , $ profile , $ os , $ arch , $ genos ) = @ _ ;
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#usally there're only 4 arguments passed for this function
#the $genos is only used for the Redhat family
my $ dotpos = rindex ( $ os , "." ) ;
my $ osbase = substr ( $ os , 0 , $ dotpos ) ;
#handle the following ostypes: sles10.2, sles11.1, rhels5.3, rhels5.4, etc
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if ( - r "$searchpath/$profile.$os.$arch.$extension" ) {
return "$searchpath/$profile.$os.$arch.$extension" ;
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}
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elsif ( - r "$searchpath/$profile.$osbase.$arch.$extension" ) {
return "$searchpath/$profile.$osbase.$arch.$extension" ;
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}
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elsif ( - r "$searchpath/$profile.$genos.$arch.$extension" ) {
return "$searchpath/$profile.$genos.$arch.$extension" ;
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}
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elsif ( - r "$searchpath/$profile.$os.$extension" ) {
return "$searchpath/$profile.$os.$extension" ;
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}
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elsif ( - r "$searchpath/$profile.$osbase.$extension" ) {
return "$searchpath/$profile.$osbase.$extension" ;
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}
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elsif ( - r "$searchpath/$profile.$genos.$extension" ) {
return "$searchpath/$profile.$genos.$extension" ;
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}
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elsif ( - r "$searchpath/$profile.$arch.$extension" ) {
return "$searchpath/$profile.$arch.$extension" ;
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}
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elsif ( - r "$searchpath/$profile.$extension" ) {
return "$searchpath/$profile.$extension" ;
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}
else {
return undef ;
}
}
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sub get_tmpl_file_name {
my $ searchpath = shift ;
if ( ( $ searchpath ) && ( $ searchpath =~ /xCAT::SvrUtils/ ) ) {
$ searchpath = shift ;
}
return xCAT::SvrUtils:: get_file_name ( $ searchpath , "tmpl" , @ _ ) ;
}
sub get_pkglist_file_name {
my $ searchpath = shift ;
if ( ( $ searchpath ) && ( $ searchpath =~ /xCAT::SvrUtils/ ) ) {
$ searchpath = shift ;
}
return xCAT::SvrUtils:: get_file_name ( $ searchpath , "pkglist" , @ _ ) ;
}
sub get_otherpkgs_pkglist_file_name {
my $ searchpath = shift ;
if ( ( $ searchpath ) && ( $ searchpath =~ /xCAT::SvrUtils/ ) ) {
$ searchpath = shift ;
}
return xCAT::SvrUtils:: get_file_name ( $ searchpath , "otherpkgs.pkglist" , @ _ ) ;
}
sub get_postinstall_file_name {
my $ searchpath = shift ;
if ( ( $ searchpath ) && ( $ searchpath =~ /xCAT::SvrUtils/ ) ) {
$ searchpath = shift ;
}
my $ profile = shift ;
my $ os = shift ;
my $ arch = shift ;
my $ extension = "postinstall" ;
my $ dotpos = rindex ( $ os , "." ) ;
my $ osbase = substr ( $ os , 0 , $ dotpos ) ;
#handle the following ostypes: sles10.2, sles11.1, rhels5.3, rhels5.4, etc
if ( - x "$searchpath/$profile.$os.$arch.$extension" ) {
return "$searchpath/$profile.$os.$arch.$extension" ;
}
elsif ( - x "$searchpath/$profile.$osbase.$arch.$extension" ) {
return "$searchpath/$profile.$osbase.$arch.$extension" ;
}
elsif ( - x "$searchpath/$profile.$os.$extension" ) {
return "$searchpath/$profile.$os.$extension" ;
}
elsif ( - x "$searchpath/$profile.$osbase.$extension" ) {
return "$searchpath/$profile.$osbase.$extension" ;
}
elsif ( - x "$searchpath/$profile.$arch.$extension" ) {
return "$searchpath/$profile.$arch.$extension" ;
}
elsif ( - x "$searchpath/$profile.$extension" ) {
return "$searchpath/$profile.$extension" ;
}
else {
return undef ;
}
}
sub get_exlist_file_name {
my $ searchpath = shift ;
if ( ( $ searchpath ) && ( $ searchpath =~ /xCAT::SvrUtils/ ) ) {
$ searchpath = shift ;
}
return xCAT::SvrUtils:: get_file_name ( $ searchpath , "exlist" , @ _ ) ;
}
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# for the "imgcapture" command
sub get_imgcapture_exlist_file_name {
my $ searchpath = shift ;
if ( $ searchpath and $ searchpath =~ m/xCAT::SvrUtils/ ) {
$ searchpath = shift ;
}
return xCAT::SvrUtils:: get_file_name ( $ searchpath , "imgcapture.exlist" , @ _ ) ;
}
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#-------------------------------------------------------------------------------
= head3 update_tables_with_templates
This function is called after copycds . Itwill get all the possible install templates
from the default directories for the given osver and arch and update the osimage table .
Arguments:
osver
arch
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ospkgdir
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Returns:
an array ( retcode , errmsg ) . The first one is the return code . If 0 , it means succesful .
= cut
#-------------------------------------------------------------------------------
sub update_tables_with_templates
{
my $ osver = shift ; #like sle11, rhel5.3
if ( ( $ osver ) && ( $ osver =~ /xCAT::SvrUtils/ ) ) {
$ osver = shift ;
}
my $ arch = shift ; #like ppc64, x86, x86_64
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my $ ospkgdir = shift ;
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my $ osname = $ osver ; ; #like sles, rh, centos, windows
my $ ostype = "Linux" ; #like Linux, Windows
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my $ imagetype = "linux" ;
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if ( ( $ osver =~ /^win/ ) || ( $ osver =~ /^imagex/ ) ) {
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$ osname = "windows" ;
$ ostype = "Windows" ;
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$ imagetype = "windows" ;
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} else {
until ( - r "$::XCATROOT/share/xcat/install/$osname/" or not $ osname ) {
chop ( $ osname ) ;
}
unless ( $ osname ) {
return ( 1 , "Unable to find $::XCATROOT/share/xcat/install directory for $osver" ) ;
}
}
#for rhels5.1 genos=rhel5
my $ genos = $ osver ;
$ genos =~ s/\..*// ;
if ( $ genos =~ /rh.*s(\d*)/ ) {
$ genos = "rhel$1" ;
}
#print "osver=$osver, arch=$arch, osname=$osname, genos=$genos\n";
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my $ installroot = xCAT::TableUtils - > getInstallDir ( ) ;
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#my $sitetab = xCAT::Table->new('site');
#if ($sitetab) {
# (my $ref) = $sitetab->getAttribs({key => "installdir"}, "value");
# if ($ref and $ref->{value}) {
# $installroot = $ref->{value};
# }
#}
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my @ installdirs = xCAT::TableUtils - > get_site_attribute ( "installdir" ) ;
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my $ tmp = $ installdirs [ 0 ] ;
if ( defined ( $ tmp ) ) {
$ installroot = $ tmp ;
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}
my $ cuspath = "$installroot/custom/install/$osname" ;
my $ defpath = "$::XCATROOT/share/xcat/install/$osname" ;
#now get all the profile names for full installation
my % profiles = ( ) ;
my @ tmplfiles = glob ( $ cuspath . "/*.tmpl" ) ;
foreach ( @ tmplfiles ) {
my $ tmpf = basename ( $ _ ) ;
#get the profile name out of the file, TODO: this does not work if the profile name contains the '.'
$ tmpf =~ /^([^\.]*)\..*$/ ;
$ tmpf = $ 1 ;
#print "$tmpf\n";
$ profiles { $ tmpf } = 1 ;
}
@ tmplfiles = glob ( $ defpath . "/*.tmpl" ) ;
foreach ( @ tmplfiles ) {
my $ tmpf = basename ( $ _ ) ;
#get the profile name out of the file, TODO: this does not work if the profile name contains the '.'
$ tmpf =~ /^([^\.]*)\..*$/ ;
$ tmpf = $ 1 ;
$ profiles { $ tmpf } = 1 ;
}
#update the osimage and linuximage table
my $ osimagetab ;
my $ linuximagetab ;
foreach my $ profile ( keys % profiles ) {
#print "profile=$profile\n";
#get template file
my $ tmplfile = get_tmpl_file_name ( $ cuspath , $ profile , $ osver , $ arch , $ genos ) ;
if ( ! $ tmplfile ) { $ tmplfile = get_tmpl_file_name ( $ defpath , $ profile , $ osver , $ arch , $ genos ) ; }
if ( ! $ tmplfile ) { next ; }
#get otherpkgs.pkglist file
my $ otherpkgsfile = get_otherpkgs_pkglist_file_name ( $ cuspath , $ profile , $ osver , $ arch ) ;
if ( ! $ otherpkgsfile ) { $ otherpkgsfile = get_otherpkgs_pkglist_file_name ( $ defpath , $ profile , $ osver , $ arch ) ; }
#get synclist file
my $ synclistfile = xCAT::SvrUtils - > getsynclistfile ( undef , $ osver , $ arch , $ profile , "netboot" ) ;
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#get the pkglist file
my $ pkglistfile = get_pkglist_file_name ( $ cuspath , $ profile , $ osver , $ arch ) ;
if ( ! $ pkglistfile ) { $ pkglistfile = get_pkglist_file_name ( $ defpath , $ profile , $ osver , $ arch ) ; }
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#now update the db
if ( ! $ osimagetab ) {
$ osimagetab = xCAT::Table - > new ( 'osimage' , - create = > 1 ) ;
}
if ( $ osimagetab ) {
#check if the image is already in the table
if ( $ osimagetab ) {
my $ found = 0 ;
my $ tmp1 = $ osimagetab - > getAllEntries ( ) ;
if ( defined ( $ tmp1 ) && ( @$ tmp1 > 0 ) ) {
foreach my $ rowdata ( @$ tmp1 ) {
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if ( ( $ osver eq $ rowdata - > { osvers } ) && ( $ arch eq $ rowdata - > { osarch } ) && ( $ rowdata - > { provmethod } eq "install" ) && ( $ profile eq $ rowdata - > { profile } ) ) {
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$ found = 1 ;
last ;
}
}
}
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# if ($found) { next; }
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my $ imagename = $ osver . "-" . $ arch . "-install-" . $ profile ;
#TODO: check if there happen to be a row that has the same imagename but with different contents
#now we can wirte the info into db
my % key_col = ( imagename = > $ imagename ) ;
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my % tb_cols = ( imagetype = > $ imagetype ,
provmethod = > "install" ,
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profile = > $ profile ,
osname = > $ ostype ,
osvers = > $ osver ,
osarch = > $ arch ,
synclists = > $ synclistfile ) ;
$ osimagetab - > setAttribs ( \ % key_col , \ % tb_cols ) ;
if ( $ osname !~ /^win/ ) {
if ( ! $ linuximagetab ) { $ linuximagetab = xCAT::Table - > new ( 'linuximage' , - create = > 1 ) ; }
if ( $ linuximagetab ) {
my % key_col = ( imagename = > $ imagename ) ;
my % tb_cols = ( template = > $ tmplfile ,
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pkgdir = > $ ospkgdir ,
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pkglist = > $ pkglistfile ,
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otherpkglist = > $ otherpkgsfile ,
otherpkgdir = > "$installroot/post/otherpkgs/$osver/$arch" ) ;
$ linuximagetab - > setAttribs ( \ % key_col , \ % tb_cols ) ;
} else {
return ( 1 , "Cannot open the linuximage table." ) ;
}
}
} else {
return ( 1 , "Cannot open the osimage table." ) ;
}
}
}
if ( $ osimagetab ) { $ osimagetab - > close ( ) ; }
if ( $ linuximagetab ) { $ linuximagetab - > close ( ) ; }
return ( 0 , "" ) ;
}
#-------------------------------------------------------------------------------
= head3 update_tables_with_diskless_image
This function is called after a diskless image is created by packimage .
It ' ll writes the newimage info into the osimage and the linuximage tables .
Arguments:
osver
arch
profile
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mode
ospkgdir
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Returns:
an array ( retcode , errmsg ) . The first one is the return code . If 0 , it means succesful .
= cut
#-------------------------------------------------------------------------------
sub update_tables_with_diskless_image
{
my $ osver = shift ; #like sle11, rhel5.3
if ( ( $ osver ) && ( $ osver =~ /xCAT::SvrUtils/ ) ) {
$ osver = shift ;
}
my $ arch = shift ; #like ppc64, x86, x86_64
my $ profile = shift ;
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my $ mode = shift ;
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my $ ospkgdir = shift ;
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my $ provm = "netboot" ;
if ( $ mode ) { $ provm = $ mode ; }
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my $ osname = $ osver ; ; #like sles, rh, centos, windows
my $ ostype = "Linux" ; #like Linux, Windows
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my $ imagetype = "linux" ;
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if ( ( $ osver =~ /^win/ ) || ( $ osver =~ /^imagex/ ) ) {
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$ osname = "windows" ;
$ ostype = "Windows" ;
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$ imagetype = "windows" ;
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} else {
until ( - r "$::XCATROOT/share/xcat/netboot/$osname/" or not $ osname ) {
chop ( $ osname ) ;
}
unless ( $ osname ) {
return ( 1 , "Unable to find $::XCATROOT/share/xcat/netboot directory for $osver" ) ;
}
}
#for rhels5.1 genos=rhel5
my $ genos = $ osver ;
$ genos =~ s/\..*// ;
if ( $ genos =~ /rh.*s(\d*)/ ) {
$ genos = "rhel$1" ;
}
#print "osver=$osver, arch=$arch, osname=$osname, genos=$genos, profile=$profile\n";
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my $ installroot = xCAT::TableUtils - > getInstallDir ( ) ;
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#my $sitetab = xCAT::Table->new('site');
#if ($sitetab) {
# (my $ref) = $sitetab->getAttribs({key => "installdir"}, "value");
# if ($ref and $ref->{value}) {
# $installroot = $ref->{value};
# }
#}
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my @ installdirs = xCAT::TableUtils - > get_site_attribute ( "installdir" ) ;
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my $ tmp = $ installdirs [ 0 ] ;
if ( defined ( $ tmp ) ) {
$ installroot = $ tmp ;
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}
my $ cuspath = "$installroot/custom/netboot/$osname" ;
my $ defpath = "$::XCATROOT/share/xcat/netboot/$osname" ;
my $ osimagetab ;
my $ linuximagetab ;
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my % profiles = ( ) ;
if ( $ profile ) {
$ profiles { $ profile } = 1 ;
} else {
my @ tmplfiles = glob ( $ cuspath . "/*.pkglist" ) ;
foreach ( @ tmplfiles ) {
my $ tmpf = basename ( $ _ ) ;
#get the profile name out of the file, TODO: this does not work if the profile name contains the '.'
$ tmpf =~ /^([^\.]*)\..*$/ ;
$ tmpf = $ 1 ;
$ profiles { $ tmpf } = 1 ;
}
@ tmplfiles = glob ( $ defpath . "/*.pkglist" ) ;
foreach ( @ tmplfiles ) {
my $ tmpf = basename ( $ _ ) ;
#get the profile name out of the file, TODO: this does not work if the profile name contains the '.'
$ tmpf =~ /^([^\.]*)\..*$/ ;
$ tmpf = $ 1 ;
$ profiles { $ tmpf } = 1 ;
}
}
foreach my $ profile ( keys % profiles ) {
#get the pkglist file
my $ pkglistfile = get_pkglist_file_name ( $ cuspath , $ profile , $ osver , $ arch ) ;
if ( ! $ pkglistfile ) { $ pkglistfile = get_pkglist_file_name ( $ defpath , $ profile , $ osver , $ arch ) ; }
#print "pkglistfile=$pkglistfile\n";
if ( ! $ pkglistfile ) { next ; }
#get otherpkgs.pkglist file
my $ otherpkgsfile = get_otherpkgs_pkglist_file_name ( $ cuspath , $ profile , $ osver , $ arch ) ;
if ( ! $ otherpkgsfile ) { $ otherpkgsfile = get_otherpkgs_pkglist_file_name ( $ defpath , $ profile , $ osver , $ arch ) ; }
#get synclist file
my $ synclistfile = xCAT::SvrUtils - > getsynclistfile ( undef , $ osver , $ arch , $ profile , "netboot" ) ;
#get the exlist file
my $ exlistfile = get_exlist_file_name ( $ cuspath , $ profile , $ osver , $ arch ) ;
if ( ! $ exlistfile ) { $ exlistfile = get_exlist_file_name ( $ defpath , $ profile , $ osver , $ arch ) ; }
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#get postinstall script file name
my $ postfile = get_postinstall_file_name ( $ cuspath , $ profile , $ osver , $ arch ) ;
if ( ! $ postfile ) { $ postfile = get_postinstall_file_name ( $ defpath , $ profile , $ osver , $ arch ) ; }
2009-09-19 17:03:14 +00:00
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#now update the db
if ( ! $ osimagetab ) {
$ osimagetab = xCAT::Table - > new ( 'osimage' , - create = > 1 ) ;
}
if ( $ osimagetab ) {
#check if the image is already in the table
if ( $ osimagetab ) {
my $ found = 0 ;
my $ tmp1 = $ osimagetab - > getAllEntries ( ) ;
if ( defined ( $ tmp1 ) && ( @$ tmp1 > 0 ) ) {
foreach my $ rowdata ( @$ tmp1 ) {
if ( ( $ osver eq $ rowdata - > { osvers } ) && ( $ arch eq $ rowdata - > { osarch } ) && ( $ rowdata - > { provmethod } eq $ provm ) && ( $ profile eq $ rowdata - > { profile } ) ) {
$ found = 1 ;
last ;
}
}
}
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if ( $ found ) {
print "The image is already in the db.\n" ;
# next;
}
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my $ imagename = $ osver . "-" . $ arch . "-$provm-" . $ profile ;
#TODO: check if there happen to be a row that has the same imagename but with different contents
#now we can wirte the info into db
my % key_col = ( imagename = > $ imagename ) ;
my % tb_cols = ( imagetype = > $ imagetype ,
provmethod = > $ provm ,
profile = > $ profile ,
osname = > $ ostype ,
osvers = > $ osver ,
osarch = > $ arch ,
synclists = > $ synclistfile ) ;
$ osimagetab - > setAttribs ( \ % key_col , \ % tb_cols ) ;
if ( $ osname !~ /^win/ ) {
if ( ! $ linuximagetab ) { $ linuximagetab = xCAT::Table - > new ( 'linuximage' , - create = > 1 ) ; }
if ( $ linuximagetab ) {
my % key_col = ( imagename = > $ imagename ) ;
my % tb_cols = ( pkglist = > $ pkglistfile ,
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pkgdir = > $ ospkgdir ,
otherpkglist = > $ otherpkgsfile ,
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otherpkgdir = > "$installroot/post/otherpkgs/$osver/$arch" ,
exlist = > $ exlistfile ,
postinstall = > $ postfile ,
rootimgdir = > "$installroot/netboot/$osver/$arch/$profile" ) ;
$ linuximagetab - > setAttribs ( \ % key_col , \ % tb_cols ) ;
} else {
return ( 1 , "Cannot open the linuximage table." ) ;
}
}
} else {
return ( 1 , "Cannot open the osimage table." ) ;
}
}
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}
if ( $ osimagetab ) { $ osimagetab - > close ( ) ; }
if ( $ linuximagetab ) { $ linuximagetab - > close ( ) ; }
return ( 0 , "" ) ;
}
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#-------------------------------------------------------------------------------
= head3 get_mac_by_arp
Description:
Get the MAC address by arp protocol
Arguments:
nodes: a reference to nodes array
display: whether just display the result , if not 'yes' , the result will
be written to the mac table .
Returns:
Return a hash with node name as key
Globals:
none
Error:
none
Example:
xCAT::Utils - > get_mac_by_arp ( $ nodes , $ display ) ;
Comments:
= cut
#-------------------------------------------------------------------------------
sub get_mac_by_arp ()
{
my ( $ class , $ nodes , $ display ) = @ _ ;
my $ node ;
my $ data ;
my % ret = ( ) ;
my $ unreachable_nodes = "" ;
my $ noderange = join ( ',' , @$ nodes ) ;
my @ output = xCAT::Utils - > runcmd ( "/opt/xcat/bin/pping $noderange" , - 1 ) ;
foreach my $ line ( @ output ) {
my ( $ hostname , $ result ) = split ':' , $ line ;
my ( $ token , $ status ) = split ' ' , $ result ;
chomp ( $ token ) ;
if ( $ token eq 'ping' ) {
$ node - > { $ hostname } - > { reachable } = 1 ;
}
}
foreach my $ n ( @$ nodes ) {
if ( $ node - > { $ n } - > { reachable } ) {
my $ output ;
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my $ IP = xCAT::NetworkUtils:: toIP ( $ n ) ;
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if ( xCAT::Utils - > isAIX ( ) ) {
$ output = `/usr/sbin/arp -a` ;
} else {
$ output = `/sbin/arp -n` ;
}
my ( $ ip , $ mac ) ;
my @ lines = split /\n/ , $ output ;
foreach my $ line ( @ lines ) {
if ( xCAT::Utils - > isAIX ( ) && $ line =~ /\((\S+)\)\s+at\s+(\S+)/ ) {
( $ ip , $ mac ) = ( $ 1 , $ 2 ) ;
######################################################
# Change mac format to be same as linux, but without ':'
# For example: '0:d:60:f4:f8:22' to '000d60f4f822'
######################################################
if ( $ mac )
{
my @ mac_sections = split /:/ , $ mac ;
for my $ m ( @ mac_sections )
{
$ m = "0$m" if ( length ( $ m ) == 1 ) ;
}
$ mac = join '' , @ mac_sections ;
}
} elsif ( $ line =~ /^(\S+)+\s+\S+\s+(\S+)\s/ ) {
( $ ip , $ mac ) = ( $ 1 , $ 2 ) ;
} else {
( $ ip , $ mac ) = ( undef , undef ) ;
}
if ( @$ IP [ 1 ] !~ $ ip ) {
( $ ip , $ mac ) = ( undef , undef ) ;
} else {
last ;
}
}
if ( $ ip && $ mac ) {
if ( $ display ne "yes" ) {
#####################################
# Write adapter mac to database
#####################################
my $ mactab = xCAT::Table - > new ( "mac" , - create = > 1 , - autocommit = > 1 ) ;
$ mactab - > setNodeAttribs ( $ n , { mac = > $ mac } ) ;
$ mactab - > close ( ) ;
}
$ ret { $ n } = "MAC Address: $mac" ;
} else {
$ ret { $ n } = "Cannot find MAC Address in arp table, please make sure target node and management node are in same network." ;
}
} else {
$ ret { $ n } = "Unreachable." ;
}
}
return \ % ret ;
}
2010-05-04 14:24:08 +00:00
#-------------------------------------------------------------------------------
= head3 get_nodename_from_request
Description:
Determine whether _xcat_clienthost or _xcat_fqdn is the correct
nodename and return it .
Arguments:
request: node request to look at
Returns:
The name of the node .
Globals:
none
Error:
none
Example:
xCAT::Utils - > get_nodenane_from_request ( $ request ) ;
Comments:
= cut
#-------------------------------------------------------------------------------
sub get_nodename_from_request ()
{
my $ request = shift ;
if ( $ request - > { node } ) {
return $ request - > { node } ;
} elsif ( $ request - > { '_xcat_clienthost' } ) {
my @ nodenames = noderange ( $ request - > { '_xcat_clienthost' } - > [ 0 ] . "," . $ request - > { '_xcat_clientfqdn' } - > [ 0 ] ) ;
return \ @ nodenames ;
}
return undef ;
}
# some directories will have xCAT database values, like:
# $nodetype.os. If that is the case we need to open up
# the database and look at them. We need to make sure
# we do this sparingly... We don't like tons of hits
# to the database.
sub subVars {
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my $ dir = shift ;
if ( ( $ dir ) && ( $ dir =~ /xCAT::SvrUtils/ ) )
{
$ dir = shift ;
}
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my $ node = shift ;
my $ type = shift ;
my $ callback = shift ;
# parse all the dollar signs...
# if its a directory then it has a / in it, so you have to parse it.
# if its a server, it won't have one so don't worry about it.
my @ arr = split ( "/" , $ dir ) ;
my $ fdir = "" ;
foreach my $ p ( @ arr ) {
# have to make this geric so $ can be in the midle of the name: asdf$foobar.sitadsf
if ( $ p =~ /\$/ ) {
my $ pre ;
my $ suf ;
my @ fParts ;
if ( $ p =~ /([^\$]*)([^# ]*)(.*)/ ) {
$ pre = $ 1 ;
$ p = $ 2 ;
$ suf = $ 3 ;
}
# have to sub here:
# get rid of the $ sign.
foreach my $ part ( split ( '\$' , $ p ) ) {
if ( $ part eq '' ) { next ; }
#$callback->({error=>["part is $part"],errorcode=>[1]});
# check if p is just the node name:
if ( $ part eq 'node' ) {
# it is so, just return the node.
#$fdir .= "/$pre$node$suf";
push @ fParts , $ node ;
} else {
# ask the xCAT DB what the attribute is.
my ( $ table , $ col ) = split ( '\.' , $ part ) ;
unless ( $ col ) { $ col = 'UNDEFINED' } ;
my $ tab = xCAT::Table - > new ( $ table ) ;
unless ( $ tab ) {
$ callback - > ( { error = > [ "$table does not exist" ] , errorcode = > [ 1 ] } ) ;
return ;
}
my $ ent ;
my $ val ;
if ( $ table eq 'site' ) {
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#$val = $tab->getAttribs( { key => "$col" }, 'value' );
#$val = $val->{'value'};
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my @ vals = xCAT::TableUtils - > get_site_attribute ( $ col ) ;
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$ val = $ vals [ 0 ] ;
2010-05-04 14:24:08 +00:00
} else {
$ ent = $ tab - > getNodeAttribs ( $ node , [ $ col ] ) ;
$ val = $ ent - > { $ col } ;
}
unless ( $ val ) {
# couldn't find the value!!
$ val = "UNDEFINED"
}
push @ fParts , $ val ;
}
}
my $ val = join ( '.' , @ fParts ) ;
if ( $ type eq 'dir' ) {
$ fdir . = "/$pre$val$suf" ;
} else {
$ fdir . = $ pre . $ val . $ suf ;
}
} else {
# no substitution here
$ fdir . = "/$p" ;
}
}
# now that we've processed variables, process commands
# this isn't quite rock solid. You can't name directories with #'s in them.
if ( $ fdir =~ /#CMD=/ ) {
my $ dir ;
foreach my $ p ( split ( /#/ , $ fdir ) ) {
if ( $ p =~ /CMD=/ ) {
$ p =~ s/CMD=// ;
my $ cmd = $ p ;
#$callback->({info=>[$p]});
$ p = `$p 2>&1` ;
chomp ( $ p ) ;
#$callback->({info=>[$p]});
unless ( $ p ) {
$ p = "#CMD=$p did not return output#" ;
}
}
$ dir . = $ p ;
}
$ fdir = $ dir ;
}
return $ fdir ;
}
sub setupNFSTree {
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my $ node = shift ;
if ( ( $ node ) && ( $ node =~ /xCAT::SvrUtils/ ) )
{
$ node = shift ;
}
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my $ sip = shift ;
my $ callback = shift ;
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my $ cmd = "XCATBYPASS=Y litetree $node" ;
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my @ uris = xCAT::Utils - > runcmd ( $ cmd , 0 ) ;
foreach my $ uri ( @ uris ) {
# parse the result
# the result looks like "nodename: nfsserver:directory";
$ uri =~ m/\Q$node\E:\s+(.+):(.+)$/ ;
my $ nfsserver = $ 1 ;
my $ nfsdirectory = $ 2 ;
if ( $ nfsserver eq $ sip ) { # on the service node
unless ( - d $ nfsdirectory ) {
if ( - e $ nfsdirectory ) {
unlink $ nfsdirectory ;
}
mkpath $ nfsdirectory ;
}
$ cmd = "showmount -e $nfsserver" ;
my @ entries = xCAT::Utils - > runcmd ( $ cmd , 0 ) ;
shift @ entries ;
if ( grep /\Q$nfsdirectory\E/ , @ entries ) {
$ callback - > ( { data = > [ "$nfsdirectory has been exported already!" ] } ) ;
# nothing to do
} else {
$ cmd = "/usr/sbin/exportfs :$nfsdirectory" ;
xCAT::Utils - > runcmd ( $ cmd , 0 ) ;
# exportfs can export this directory immediately
$ callback - > ( { data = > [ "now $nfsdirectory is exported!" ] } ) ;
$ cmd = "cat /etc/exports" ;
@ entries = xCAT::Utils - > runcmd ( $ cmd , 0 ) ;
unless ( my $ entry = grep /\Q$nfsdirectory\E/ , @ entries ) {
#if there's no entry in /etc/exports, one with default options will be added
$ cmd = qq{ echo "$nfsdirectory *(rw,no_root_squash,sync,no_subtree_check)" >> /etc/exports } ;
xCAT::Utils - > runcmd ( $ cmd , 0 ) ;
$ callback - > ( { data = > [ "$nfsdirectory is added to /etc/exports with default option" ] } ) ;
}
}
}
}
}
sub setupStatemnt {
my $ sip = shift ;
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if ( ( $ sip ) && ( $ sip =~ /xCAT::SvrUtils/ ) )
{
$ sip = shift ;
}
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my $ statemnt = shift ;
my $ callback = shift ;
$ statemnt =~ m/^(.+):(.+)$/ ;
my $ nfsserver = $ 1 ;
my $ nfsdirectory = $ 2 ;
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if ( $ sip eq xCAT::NetworkUtils - > getipaddr ( $ nfsserver ) ) {
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unless ( - d $ nfsdirectory ) {
if ( - e $ nfsdirectory ) {
unlink $ nfsdirectory ;
}
mkpath $ nfsdirectory ;
}
my $ cmd = "showmount -e $nfsserver" ;
my @ entries = xCAT::Utils - > runcmd ( $ cmd , 0 ) ;
shift @ entries ;
if ( grep /\Q$nfsdirectory\E/ , @ entries ) {
$ callback - > ( { data = > [ "$nfsdirectory has been exported already!" ] } ) ;
} else {
$ cmd = "/usr/sbin/exportfs :$nfsdirectory -o rw,no_root_squash,sync,no_subtree_check" ;
xCAT::Utils - > runcmd ( $ cmd , 0 ) ;
$ callback - > ( { data = > [ "now $nfsdirectory is exported!" ] } ) ;
# add the directory into /etc/exports if not exist
$ cmd = "cat /etc/exports" ;
@ entries = xCAT::Utils - > runcmd ( $ cmd , 0 ) ;
if ( my $ entry = grep /\Q$nfsdirectory\E/ , @ entries ) {
unless ( $ entry =~ m/rw/ ) {
$ callback - > ( { data = > [ "The $nfsdirectory should be with rw option in /etc/exports" ] } ) ;
}
} else {
xCAT::Utils - > runcmd ( qq{ echo "$nfsdirectory *(rw,no_root_squash,sync,no_subtree_check)" >>/etc/exports } , 0 ) ;
$ callback - > ( { data = > [ "$nfsdirectory is added into /etc/exports with default options" ] } ) ;
}
}
}
}
2010-08-06 15:29:07 +00:00
#-------------------------------------------------------------------------------------------
# Common method to send info back to the client
# The last two args are optional, though $allerrornodes will unlikely be there without $node
# TODO: investigate possibly removing this and using MsgUtils instead
#
#--------------------------------------------------------------------------------------------
sub sendmsg {
my $ text = shift ;
my $ callback = shift ;
my $ node = shift ;
my % allerrornodes = shift ;
my $ descr ;
my $ rc ;
if ( ref $ text eq 'HASH' ) {
die "not right now" ;
} elsif ( ref $ text eq 'ARRAY' ) {
$ rc = $ text - > [ 0 ] ;
$ text = $ text - > [ 1 ] ;
}
if ( $ text =~ /:/ ) {
( $ descr , $ text ) = split /:/ , $ text , 2 ;
}
$ text =~ s/^ *// ;
$ text =~ s/ *$// ;
my $ msg ;
my $ curptr ;
if ( $ node ) {
$ msg - > { node } = [ { name = > [ $ node ] } ] ;
$ curptr = $ msg - > { node } - > [ 0 ] ;
} else {
$ msg = { } ;
$ curptr = $ msg ;
}
if ( $ rc ) {
$ curptr - > { errorcode } = [ $ rc ] ;
$ curptr - > { error } = [ $ text ] ;
$ curptr = $ curptr - > { error } - > [ 0 ] ;
if ( defined $ node && % allerrornodes ) {
$ allerrornodes { $ node } = 1 ;
}
} else {
$ curptr - > { data } = [ { contents = > [ $ text ] } ] ;
$ curptr = $ curptr - > { data } - > [ 0 ] ;
if ( $ descr ) { $ curptr - > { desc } = [ $ descr ] ; }
}
# print $outfd freeze([$msg]);
# print $outfd "\nENDOFFREEZE6sK4ci\n";
# yield;
# waitforack($outfd);
$ callback - > ( $ msg ) ;
}
2010-08-02 03:29:15 +00:00
2010-08-06 15:29:07 +00:00
#-------------------------------------------------------------------------------
2010-08-02 03:29:15 +00:00
= head3 build_deps
Look up the "deps" table to generate the dependencies for the nodes
Arguments:
nodes: The nodes list in an array reference
Returns:
depset: dependencies hash reference
Globals:
none
Error:
none
Example:
my $ deps = xCAT::SvrUtils - > build_deps ( $ req - > { node } ) ;
Comments:
none
= cut
#-------------------------------------------------------------------------------
sub build_deps ()
{
my ( $ class , $ nodes , $ cmd ) = @ _ ;
my % depshash = ( ) ;
my $ depstab = xCAT::Table - > new ( 'deps' ) ;
if ( ! defined ( $ depstab ) ) {
return undef ;
}
my $ depset = $ depstab - > getNodesAttribs ( $ nodes , [ qw( nodedep msdelay cmd ) ] ) ;
if ( ! defined ( $ depset ) )
{
return undef ;
}
foreach my $ node ( @$ nodes ) {
# Delete the nodes without dependencies from the hash
if ( ! defined ( $ depset - > { $ node } [ 0 ] ) ) {
delete ( $ depset - > { $ node } ) ;
}
}
# the deps hash does not check the 'cmd',
# use the realdeps to reflect the 'cmd' also
my $ realdep ;
foreach my $ node ( @$ nodes ) {
foreach my $ depent ( @ { $ depset - > { $ node } } ) {
my @ depcmd = split ( /,/ , $ depent - > { 'cmd' } ) ;
#dependency match
if ( grep ( /^$cmd$/ , @ depcmd ) ) {
#expand the noderange
my @ nodedep = xCAT::NodeRange:: noderange ( $ depent - > { 'nodedep' } , 1 ) ;
my $ depsnode = join ( ',' , @ nodedep ) ;
if ( $ depsnode ) {
$ depent - > { 'nodedep' } = $ depsnode ;
push @ { $ realdep - > { $ node } } , $ depent ;
}
}
}
}
return $ realdep ;
}
#-------------------------------------------------------------------------------
= head3 handle_deps
Group the nodes according to the deps hash returned from build_deps
Arguments:
deps: the dependencies hash reference
nodes: The nodes list in an array reference
$ callback: sub request callback
Returns:
nodeseq: the nodes categorized based on dependencies
returns 1 if runs into problem
Globals:
none
Error:
none
Example:
my $ deps = xCAT::SvrUtils - > handle_deps ( $ deps , $ req - > { node } ) ;
Comments:
none
= cut
#-------------------------------------------------------------------------------
sub handle_deps ()
{
my ( $ class , $ dephash , $ nodes , $ callback ) = @ _ ;
# a small subroutine to remove some specific node from a comma separated list
sub remove_node_from_list ()
{
my ( $ string , $ nodetoremove ) = @ _ ;
my @ arr = split ( ',' , $ string ) ;
my @ newarr = ( ) ;
foreach my $ tmp ( @ arr ) {
if ( $ tmp ne $ nodetoremove ) {
push @ newarr , $ tmp ;
}
}
return join ( ',' , @ newarr ) ;
}
# This is an example of the deps hash ref
# DB<3> x $deps
#0 HASH(0x239db47c)
# 'aixcn1' => ARRAY(0x23a26be0)
# 0 HASH(0x23a21968)
# 'cmd' => 'off'
# 'msdelay' => 10000
# 'node' => 'aixcn1'
# 'nodedep' => 'aixmn2'
# 'aixsn1' => ARRAY(0x23a2219c)
# 0 HASH(0x23a21728)
# 'cmd' => 'off'
# 'msdelay' => 10000
# 'node' => 'aixsn1'
# 'nodedep' => 'aixcn1'
#copy the dephash, do not manipulate the subroutine argument $dephash
my $ deps ;
foreach my $ node ( keys % { $ dephash } ) {
my $ i = 0 ;
for ( $ i = 0 ; $ i < scalar ( @ { $ dephash - > { $ node } } ) ; $ i + + ) {
foreach my $ attr ( keys % { $ dephash - > { $ node } - > [ $ i ] } ) {
$ deps - > { $ node } - > [ $ i ] - > { $ attr } = $ dephash - > { $ node } - > [ $ i ] - > { $ attr } ;
}
}
}
#needs to search the nodes list a lot of times
#using hash will be more effective
my % nodelist ;
foreach my $ node ( @ { $ nodes } ) {
$ nodelist { $ node } = 1 ;
}
# check if any depnode is not in the nodelist,
# print warning message
my $ depsnotinargs ;
foreach my $ node ( keys % { $ deps } ) {
my $ keepnode = 0 ;
foreach my $ depent ( @ { $ deps - > { $ node } } ) {
# an autonomy dependency group?
foreach my $ dep ( split ( /,/ , $ depent - > { 'nodedep' } ) ) {
if ( ! defined ( $ nodelist { $ dep } ) ) {
$ depsnotinargs - > { $ dep } = 1 ;
$ depent - > { 'nodedep' } = & remove_node_from_list ( $ depent - > { 'nodedep' } , $ dep ) ;
}
}
if ( $ depent - > { 'nodedep' } ) {
$ keepnode = 1 ;
}
}
if ( ! $ keepnode ) {
delete ( $ deps - > { $ node } ) ;
}
}
if ( scalar ( keys % { $ depsnotinargs } ) > 0 ) {
my $ n = join ( ',' , keys % { $ depsnotinargs } ) ;
my % output ;
$ output { data } = [ "The following nodes are dependencies for some nodes passed in through arguments, but not in the command arguments: $n, make sure these nodes are in correct state" ] ;
$ callback - > ( \ % output ) ;
}
my $ arrayindex = 0 ;
my $ nodeseq ;
#handle all the nodes
while ( keys % nodelist ) {
my @ curnodes ;
foreach my $ node ( keys % nodelist ) {
#no dependency
if ( ! defined ( $ deps - > { $ node } ) ) {
$ nodeseq - > [ $ arrayindex ] - > { $ node } = 1 ;
delete ( $ nodelist { $ node } ) ;
push @ curnodes , $ node ;
}
}
if ( scalar ( @ curnodes ) == 0 ) {
# no nodes in this loop at all,
# means infinite loop???
my % output ;
my $ nodesinlist = join ( ',' , keys % nodelist ) ;
$ output { errorcode } = 1 ;
$ output { data } = [ "Loop dependency, check your deps table, may be related to the following nodes: $nodesinlist" ] ;
$ callback - > ( \ % output ) ;
return 1 ;
}
# update deps for the next loop
# remove the node from the 'nodedep' attribute
my $ keepnode = 0 ;
foreach my $ nodeindeps ( keys % { $ deps } ) {
my $ keepnode = 0 ;
foreach my $ depent ( @ { $ deps - > { $ nodeindeps } } ) {
#remove the curnodes from the 'nodedep'
foreach my $ nodetoremove ( @ curnodes ) {
$ depent - > { 'nodedep' } = & remove_node_from_list ( $ depent - > { 'nodedep' } , $ nodetoremove ) ;
}
if ( $ depent - > { 'nodedep' } ) {
$ keepnode = 1 ;
}
}
if ( ! $ keepnode ) {
delete ( $ deps - > { $ nodeindeps } ) ;
}
}
# the round is over, jump to the next arrary entry
$ arrayindex + + ;
}
return $ nodeseq ;
}
2009-09-19 17:03:14 +00:00
2009-03-20 21:36:49 +00:00
1 ;
