718 lines
20 KiB
Perl
718 lines
20 KiB
Perl
#!/usr/bin/env perl -w
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# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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#####################################################
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#
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# xCAT plugin package to handle kernel modules
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#
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#####################################################
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package xCAT_plugin::kmodules;
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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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require xCAT::Table;
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require xCAT::Utils;
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require xCAT::TableUtils;
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require Data::Dumper;
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require Getopt::Long;
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require xCAT::MsgUtils;
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use File::Path qw(mkpath rmtree);
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use File::Basename qw(basename);
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use Text::Balanced qw(extract_bracketed);
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use Safe;
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my $evalcpt = new Safe;
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use strict;
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use warnings;
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#
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# Globals
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#
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#------------------------------------------------------------------------------
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=head1 kmodules
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This program module file performs kernel module functions
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Supported commands:
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lskmodules -- List the kernel modules in one or more:
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osimage.driverupdatesrc (duds or rpms)
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kitcomponent.driverpacks (rpms in repodir)
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osdistro (kernel-<kernvers> rpms)
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osdistroupdate (kernel-<kernvers> rpms)
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=cut
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#------------------------------------------------------------------------------
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=head2 Kernel Modules Support
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=cut
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#------------------------------------------------------------------------------
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#----------------------------------------------------------------------------
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=head3 handled_commands
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Return a list of commands handled by this plugin
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=cut
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#-----------------------------------------------------------------------------
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sub handled_commands {
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return {
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lskmodules => "kmodules"
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};
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}
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#----------------------------------------------------------------------------
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=head3 preprocess_request
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Arguments:
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Returns:
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0 - OK
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1 - error
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Globals:
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Error:
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Example:
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Comments:
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=cut
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#-----------------------------------------------------------------------------
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# sub preprocess_request {
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#
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# NOT REQUIRED -- no hierarchy for this command
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# my $req = shift;
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# return [$req];
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# }
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#----------------------------------------------------------------------------
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=head3 process_request
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Process the kernel modules commands
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Arguments:
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Returns:
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0 - OK
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1 - error
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Globals:
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Error:
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Example:
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Comments:
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=cut
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#-----------------------------------------------------------------------------
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sub process_request {
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$::request = shift;
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$::CALLBACK = shift;
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$::SUBREQ = shift;
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my $ret;
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# globals used by all subroutines.
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$::command = $::request->{command}->[0];
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$::args = $::request->{arg};
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$::stdindata = $::request->{stdin}->[0];
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# figure out which cmd and call the subroutine to process
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if ( $::command eq "lskmodules" ) {
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$ret = &lskmodules($::request);
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}
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return $ret;
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}
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#----------------------------------------------------------------------------
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=head3 lskmodules_usage
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Arguments:
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Returns:
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Globals:
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Error:
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Example:
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Comments:
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=cut
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#-----------------------------------------------------------------------------
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# display the usage
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sub lskmodules_usage {
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my $rsp;
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push @{ $rsp->{data} },
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"\nUsage: lskmodules - List kernel modules in specified input \n";
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push @{ $rsp->{data} },
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" lskmodules [-V|--verbose] [-x|--xml|--XML] [-c|--kitcomponent kit_comp1,kit_comp2,...] [-o|--osdistro os_distro] [-u|--osdistroupdate os_distro_update] [-i|--osimage osimage] \n ";
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push @{ $rsp->{data} }, " lskmodules [-h|--help|-?] \n";
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push @{ $rsp->{data} },
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" lskmodules [-v|--version] \n ";
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xCAT::MsgUtils->message( "I", $rsp, $::CALLBACK );
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return 0;
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}
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#----------------------------------------------------------------------------
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=head3 processArgs
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Process the command line
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Arguments:
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Returns:
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0 - OK
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1 - just print usage
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2 - error
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Globals:
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Error:
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Example:
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Comments:
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=cut
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#-----------------------------------------------------------------------------
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sub processArgs {
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if ( defined ($::args) && @{$::args} ) {
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@ARGV = @{$::args};
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}
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# parse the options
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# options can be bundled up like -vV, flag unsupported options
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Getopt::Long::Configure( "bundling", "no_ignore_case", "no_pass_through" );
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Getopt::Long::GetOptions(
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'help|h|?' => \$::opt_h,
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'kitcomponent|c=s' => \$::opt_c,
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'osimage|i=s' => \$::opt_i,
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'osdistro|o=s' => \$::opt_o,
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'osdistroupdate|u=s' => \$::opt_u,
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'verbose|V' => \$::opt_V,
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'version|v' => \$::opt_v,
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'xml|XML|x' => \$::opt_x,
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);
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# Option -h for Help
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if ( defined($::opt_h) ) {
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return 2;
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}
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# Option -v for version
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if ( defined($::opt_v) ) {
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my $rsp;
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my $version = xCAT::Utils->Version();
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push @{ $rsp->{data} }, "$::command - $version\n";
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xCAT::MsgUtils->message( "I", $rsp, $::CALLBACK );
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return 1; # no usage - just exit
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}
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# Option -V for verbose output
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if ( defined($::opt_V) ) {
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$::verbose = 1;
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$::VERBOSE = 1;
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}
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if ( !defined($::opt_c) &&
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!defined($::opt_i) &&
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!defined($::opt_o) &&
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!defined($::opt_u) ) {
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my $rsp;
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push @{ $rsp->{data} }, "Specify a search location \n";
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xCAT::MsgUtils->message( "I", $rsp, $::CALLBACK );
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return 2;
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}
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my $more_input = shift(@ARGV);
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if ( defined($more_input) ) {
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my $rsp;
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push @{ $rsp->{data} }, "Invalid input: $more_input \n";
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xCAT::MsgUtils->message( "I", $rsp, $::CALLBACK );
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return 2;
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}
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return 0;
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}
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#----------------------------------------------------------------------------
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=head3 lskmodules
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Support for listing kernel modules
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Arguments:
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Returns:
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0 - OK
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1 - error
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Globals:
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Error:
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Example:
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Comments:
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=cut
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#-----------------------------------------------------------------------------
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sub lskmodules {
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my $rc = 0;
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# process the command line
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$rc = &processArgs;
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if ( $rc != 0 ) {
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# rc: 0 - ok, 1 - return, 2 - help, 3 - error
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if ( $rc != 1 ) {
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&lskmodules_usage;
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}
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return ( $rc - 1 );
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}
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if ($::VERBOSE) {
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my $rsp;
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push @{ $rsp->{data} }, "Running lskmodules command... ";
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xCAT::MsgUtils->message( "I", $rsp, $::CALLBACK );
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}
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# Get all the rpms and img files to search based on command input
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my @sources = &set_sources;
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if (!(@sources)){
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my $rsp;
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push @{ $rsp->{data} }, "No input search source found.";
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xCAT::MsgUtils->message( "E", $rsp, $::CALLBACK );
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return 1;
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}
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# Get the list of kernel modules in each rpm/img file
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my @modlist;
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foreach my $source (@sources) {
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if ( $source =~ /^dud:/ ) {
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$source =~ s/^dud://;
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push (@modlist, &mods_in_img($source) );
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} else {
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$source =~ s/^rpm://;
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push (@modlist, &mods_in_rpm($source) );
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}
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}
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@modlist = &remove_duplicate_mods(\@modlist);
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# Return the module list for this rpm/img file
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my $rsp;
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foreach my $mn (@modlist) {
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if ($::opt_x) {
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my %data_entry;
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$data_entry{module}->{name}=$mn->{name};
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$data_entry{module}->{description}=$mn->{description};
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push @{ $rsp->{data} }, \%data_entry;
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} else {
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push @{ $rsp->{data} }, $mn->{name}.': '.$mn->{description};
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}
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}
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#xCAT::MsgUtils->message( "I", $rsp, $::CALLBACK );
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if ( $rsp ) {
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$::CALLBACK->($rsp);
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}
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return $rc;
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}
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#----------------------------------------------------------------------------
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=head3 set_sources
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return array of input kernel module sources
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Arguments:
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Returns:
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0 - OK
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1 - error
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Globals:
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Error:
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Example:
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Comments:
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=cut
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#-----------------------------------------------------------------------------
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sub set_sources {
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my $installdir = xCAT::TableUtils->getInstallDir;
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my @sources;
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my %src_data;
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my $order=1;
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# OS images (osimage.driverupdatesrc)
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if ( defined($::opt_i) ) {
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my $litab = xCAT::Table->new('linuximage');
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foreach my $li (split( ',', $::opt_i)) {
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my ($li_entry) = $litab->getAttribs({'imagename'=>$li},('driverupdatesrc'));
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if ( !($li_entry) ) {
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if ($::VERBOSE) {
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my $rsp;
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push @{ $rsp->{data} }, "No driverupdatesrc attribute for osimage $li found. Skipping. ";
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xCAT::MsgUtils->message( "W", $rsp, $::CALLBACK );
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}
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next;
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}
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foreach my $dus (split( ',', $li_entry->{'driverupdatesrc'})) {
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my $base_dus = basename($dus);
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if ( defined ($src_data{$base_dus}) ) {
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if ($::VERBOSE) {
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my $rsp;
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push @{ $rsp->{data} }, "Duplicate source $base_dus found in input. Skipping $dus entry in osimage &li driverupdatesrc. Using from $src_data{$base_dus}{'sourcemsg'} instead.";
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xCAT::MsgUtils->message( "W", $rsp, $::CALLBACK );
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}
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next;
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} else {
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$src_data{$base_dus}{'sourcemsg'}="osimage $li driverupdatesrc entry $dus";
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$src_data{$base_dus}{'source'}=$dus;
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$src_data{$base_dus}{'order'}=$order++;
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}
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}
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}
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$litab->close;
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}
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# Kit Components (kitcomp.driverpacks)
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if ( defined($::opt_c) ) {
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my $kctab = xCAT::Table->new('kitcomponent');
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my $krtab = xCAT::Table->new('kitrepo');
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foreach my $kc (split( ',', $::opt_c)) {
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my ($kc_entry) = $kctab->getAttribs({'kitcompname'=>$kc},('kitreponame','driverpacks'));
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if ( !($kc_entry) ) {
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if ($::VERBOSE) {
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my $rsp;
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push @{ $rsp->{data} }, "No driverpacks attribute for kitcomponent $kc found. Skipping.";
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xCAT::MsgUtils->message( "W", $rsp, $::CALLBACK );
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}
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next;
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}
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my ($kr_entry) = $krtab->getAttribs({'kitreponame'=>$kc_entry->{'kitreponame'}},('kitrepodir'));
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if ( !($kr_entry) ) {
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if ($::VERBOSE) {
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my $rsp;
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push @{ $rsp->{data} }, "Kitrepo $kc_entry->{'kitreponame'} not found in database. Error in kitcomponent definition for $kc. Skipping.";
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xCAT::MsgUtils->message( "W", $rsp, $::CALLBACK );
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}
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next;
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}
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foreach my $dp (split( ',', $kc_entry->{'driverpacks'})) {
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if ( defined ($src_data{$dp})) {
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if ($::VERBOSE) {
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my $rsp;
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push @{ $rsp->{data} }, "Duplicate source $dp found in input. Skipping kitcomponent $kc driverpack entry $dp. Using from $src_data{$dp}{'sourcemsg'} instead.";
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xCAT::MsgUtils->message( "W", $rsp, $::CALLBACK );
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}
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next;
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} else {
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$src_data{$dp}{'sourcemsg'}="kitcomponent $kc, kitrepo $kc_entry->{'kitreponame'}";
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$src_data{$dp}{'source'}=$kr_entry->{'kitrepodir'}.'/'.$dp;
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$src_data{$dp}{'order'}=$order++;
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}
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}
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}
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$kctab->close;
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}
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# OS distro update
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if ( defined($::opt_u) ) {
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my $outab = xCAT::Table->new('osdistroupdate');
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foreach my $ou (split( ',', $::opt_u)) {
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my ($ou_entry) = $outab->getAttribs({'osupdatename'=>$ou},('dirpath'));
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if ( !($ou_entry) || !(defined($ou_entry->{'dirpath'})) ) {
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if ($::VERBOSE) {
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my $rsp;
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push @{ $rsp->{data} }, "No dirpath attribute for osdistroupdate $ou found. Skipping.";
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xCAT::MsgUtils->message( "W", $rsp, $::CALLBACK );
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}
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next;
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}
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my $dirpath = $ou_entry->{'dirpath'};
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my @kernel_rpms = `find $dirpath -name kernel-*.rpm`;
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foreach my $krpm (@kernel_rpms) {
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chomp($krpm);
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my $base_krpm = basename($krpm);
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if ( defined ($src_data{$base_krpm}) ) {
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if ($::VERBOSE) {
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my $rsp;
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push @{ $rsp->{data} }, "Duplicate source $base_krpm found in input. Skipping $krpm in osdistroupdate $ou. Using from $src_data{$base_krpm}{'sourcemsg'} instead.";
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xCAT::MsgUtils->message( "W", $rsp, $::CALLBACK );
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}
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next;
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}
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$src_data{$base_krpm}{'sourcemsg'}="osdistroupdate $ou rpm $krpm";
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$src_data{$base_krpm}{'source'}=$krpm;
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$src_data{$base_krpm}{'order'}=$order++;
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}
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}
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$outab->close;
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}
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# OS distro
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if ( defined($::opt_o) ) {
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my $odtab = xCAT::Table->new('osdistro');
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foreach my $od (split( ',', $::opt_o)) {
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my ($od_entry) = $odtab->getAttribs({'osdistroname'=>$od},('dirpaths'));
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if ( !($od_entry) ) {
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# try building dirpath from distro_name/local_arch
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my $arch = `uname -m`;
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chomp($arch);
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$arch = "x86" if ($arch =~ /i.86$/);
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my $dirpath = $installdir.'/'.$od.'/'.$arch;
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if (!(-e $dirpath)) {
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if ($::VERBOSE) {
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my $rsp;
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push @{ $rsp->{data} }, "No dirpaths attribute for osdistro $od found. Skipping. ";
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xCAT::MsgUtils->message( "W", $rsp, $::CALLBACK );
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}
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next;
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}
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my @kernel_rpms = `find $dirpath -name kernel-*.rpm`;
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foreach my $krpm (@kernel_rpms) {
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chomp($krpm);
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my $base_krpm = basename($krpm);
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if ( ! defined ($src_data{$base_krpm}) ) {
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$src_data{$base_krpm}{'sourcemsg'}="osdistro $od default rpm $krpm";
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$src_data{$base_krpm}{'source'}=$krpm;
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$src_data{$base_krpm}{'order'}=$order++;
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}
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}
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} else {
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foreach my $dirpath (split( ',', $od_entry->{'dirpaths'})){
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my @kernel_rpms = `find $dirpath -name kernel-*.rpm`;
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foreach my $krpm (@kernel_rpms) {
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chomp($krpm);
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my $base_krpm = basename($krpm);
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if ( defined ($src_data{$base_krpm}) ) {
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if ($::VERBOSE) {
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my $rsp;
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push @{ $rsp->{data} }, "Duplicate source $base_krpm found in input. Skipping $krpm in osdistro $od. Using from $src_data{$base_krpm}{'sourcemsg'} instead.";
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xCAT::MsgUtils->message( "W", $rsp, $::CALLBACK );
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}
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next;
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}
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$src_data{$base_krpm}{'sourcemsg'}="osdistro $od rpm $krpm";
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$src_data{$base_krpm}{'source'}=$krpm;
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$src_data{$base_krpm}{'order'}=$order++;
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}
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}
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}
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}
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$odtab->close;
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}
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foreach my $base_source (sort {$src_data{$a}{'order'} <=> $src_data{$b}{'order'}} keys %src_data){
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push @sources, $src_data{$base_source}{'source'};
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}
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if ($::VERBOSE && @sources) {
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my $rsp;
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push @{ $rsp->{data} }, "Searching the following locations for kernel modules: ";
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push @{ $rsp->{data} }, @sources ;
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xCAT::MsgUtils->message( "I", $rsp, $::CALLBACK );
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}
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return @sources;
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}
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#----------------------------------------------------------------------------
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=head3 mods_in_rpm
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return hash of module names/descriptions found in rpm
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Arguments:
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Returns:
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0 - OK
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1 - error
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Globals:
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Error:
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Example:
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Comments:
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=cut
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#-----------------------------------------------------------------------------
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sub mods_in_rpm {
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my $krpm = shift;
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my @modlist;
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my $tmp_path = "/tmp/lskmodules_expanded_rpm";
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mkpath($tmp_path);
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if (-r $krpm) {
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if (system ("cd $tmp_path; rpm2cpio $krpm | cpio -idum *.ko > /dev/null 2>&1 ; cd - > /dev/null 2>&1")) {
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my $rsp;
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push @{ $rsp->{data} }, "Unable to extract files from the rpm $krpm.";
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xCAT::MsgUtils->message( "E", $rsp, $::CALLBACK );
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rmtree($tmp_path);
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return;
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}
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} else {
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my $rsp;
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push @{ $rsp->{data} }, "Unable to read rpm $krpm.";
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xCAT::MsgUtils->message( "E", $rsp, $::CALLBACK );
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rmtree($tmp_path);
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return;
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}
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my @ko_files = `find $tmp_path -name *.ko`;
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foreach my $ko (@ko_files) {
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my %mod;
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chomp($ko);
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my $name = basename($ko);
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my $desc = `modinfo -d $ko`;
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chomp ($desc);
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if ( $desc =~ /^\s*$/ ) {
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$desc = " ";
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}
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$mod{name} = $name;
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$mod{description} = $desc;
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push (@modlist, \%mod);
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}
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rmtree($tmp_path);
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return @modlist;
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}
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#----------------------------------------------------------------------------
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=head3 mods_in_img
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return hash of module names/descriptions found in
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driver update image
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Arguments:
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Returns:
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0 - OK
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1 - error
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Globals:
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Error:
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Example:
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Comments:
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=cut
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#-----------------------------------------------------------------------------
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sub mods_in_img {
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my $img_file = shift;
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my @modlist;
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my $mnt_path = "/tmp/lskmodules_mnt";
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mkpath($mnt_path);
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my $rc = system ("mount -o loop $img_file $mnt_path");
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if ($rc) {
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my $rsp;
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push @{ $rsp->{data} }, "Mount of driver disk image $img_file failed";
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xCAT::MsgUtils->message( "E", $rsp, $::CALLBACK );
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rmtree($mnt_path);
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return;
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}
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my @ko_files = `find $mnt_path -name *.ko`;
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foreach my $ko (@ko_files) {
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my %mod;
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chomp($ko);
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my $name = basename($ko);
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my $desc = `modinfo -d $ko`;
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chomp ($desc);
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if ( $desc =~ /^\w*$/ ) {
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$desc = " ";
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}
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$mod{name} = $name;
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$mod{description} = $desc;
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push (@modlist, \%mod);
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}
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$rc = system ("umount $mnt_path");
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rmtree($mnt_path);
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return @modlist;
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}
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#----------------------------------------------------------------------------
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|
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=head3 remove_duplicate_mods
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|
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return array of unique module names/descriptions hashes from input array
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|
|
|
Arguments:
|
|
Returns:
|
|
0 - OK
|
|
1 - error
|
|
Globals:
|
|
|
|
Error:
|
|
|
|
Example:
|
|
|
|
Comments:
|
|
=cut
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|
|
|
#-----------------------------------------------------------------------------
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|
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sub remove_duplicate_mods {
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|
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my $modlist = shift;
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|
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my %unique_names;
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my @return_list;
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|
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foreach my $mn (@$modlist) {
|
|
if ( defined($unique_names{$mn->{name}}) ) { next;}
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|
$unique_names{$mn->{name}} = $mn->{description};
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|
}
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|
|
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foreach my $un (sort keys(%unique_names)) {
|
|
my %mod;
|
|
$mod{name} = $un;
|
|
$mod{description} = $unique_names{$un};
|
|
push (@return_list, \%mod);
|
|
}
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|
|
|
return @return_list;
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|
}
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1;
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