mirror of
https://github.com/xcat2/xcat-core.git
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2295 lines
68 KiB
Perl
2295 lines
68 KiB
Perl
# IBM(c) 2010 EPL license http://www.eclipse.org/legal/epl-v10.html
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#-------------------------------------------------------
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=head1
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xCAT plugin package to handle the snmove command
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=cut
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#-------------------------------------------------------
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package xCAT_plugin::snmove;
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BEGIN
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{
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$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
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}
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use lib "$::XCATROOT/lib/perl";
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use strict;
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use Sys::Hostname;
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use File::Basename;
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use File::Path;
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use xCAT::Table;
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use xCAT::Utils;
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use xCAT::TableUtils;
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use xCAT::ServiceNodeUtils;
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use xCAT::NetworkUtils;
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use xCAT::MsgUtils;
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use xCAT::SvrUtils;
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use Getopt::Long;
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use xCAT::NodeRange;
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#use Data::Dumper;
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1;
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#-------------------------------------------------------
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=head3 handled_commands
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Return 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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{
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return { snmove => "snmove", };
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}
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#-------------------------------------------------------
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=head3 preprocess_request
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Preprocess the command
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=cut
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#-------------------------------------------------------
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sub preprocess_request
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{
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my $request = shift;
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my $callback = shift;
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my $sub_req = shift;
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my $command = $request->{command}->[0];
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my $args = $request->{arg};
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#if already preprocessed, go straight to process_request
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if ((defined($request->{_xcatpreprocessed}))
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&& ($request->{_xcatpreprocessed}->[0] == 1))
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{
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return [$request];
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}
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# let process_request handle it
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my $reqcopy = {%$request};
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$reqcopy->{_xcatpreprocessed}->[0] = 1;
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return [$reqcopy];
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}
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#-------------------------------------------------------
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=head3 process_request
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Process the command
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=cut
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#-------------------------------------------------------
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sub process_request
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{
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my $request = shift;
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my $callback = shift;
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my $sub_req = shift;
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my $command = $request->{command}->[0];
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my $args = $request->{arg};
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my $error = 0;
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# parse the options
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@ARGV = ();
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if ($args)
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{
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@ARGV = @{$args};
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}
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Getopt::Long::Configure("bundling");
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Getopt::Long::Configure("no_pass_through");
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if (
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!GetOptions(
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'h|help' => \$::HELP,
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'v|version' => \$::VERSION,
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's|source=s' => \$::SN1, # source SN akb MN
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'S|sourcen=s' => \$::SN1N, # source SN akb node
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'd|dest=s' => \$::SN2, # dest SN akb MN
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'D|destn=s' => \$::SN2N, # dest SN akb node
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'l|liteonly' => \$::SLonly, # update statelite only!
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'n|noretarget' => \$::NORETARGET, # no dump retarget
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'P|postscripts=s' => \$::POST, # postscripts to be run
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'i|ignorenodes' => \$::IGNORE,
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'V|verbose' => \$::VERBOSE,
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)
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)
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{
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&usage($callback);
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return 1;
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}
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# display the usage if -h or --help is specified
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if ($::HELP)
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{
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&usage($callback);
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return 0;
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}
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# display the version statement if -v or --verison is specified
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if ($::VERSION)
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{
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my $rsp = {};
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$rsp->{data}->[0] = xCAT::Utils->Version();
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$callback->($rsp);
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return 0;
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}
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if (($::IGNORE) && ($::POST))
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{
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my $rsp = {};
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$rsp->{data}->[0] =
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"-P and -i flags cannot be specified at the same time.\n";
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$callback->($rsp);
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return 1;
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}
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if (@ARGV > 1)
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{
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my $rsp = {};
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$rsp->{data}->[0] = "Too many paramters.\n";
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$callback->($rsp);
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&usage($callback);
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return 1;
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}
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if ((@ARGV == 0) && (!$::SN1))
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{
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my $rsp = {};
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$rsp->{data}->[0] =
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"A node range or the source service node must be specified.\n";
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$callback->($rsp);
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&usage($callback);
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return 1;
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}
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if (!$::SLonly) {
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my $rsp;
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push @{ $rsp->{data} }, "Moving nodes to their backup service nodes.\n";
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xCAT::MsgUtils->message("I", $rsp, $callback);
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}
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my $nimprime = xCAT::InstUtils->getnimprime();
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chomp $nimprime;
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#
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# get the list of nodes
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# - either from the command line or by checking which nodes are
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# managed by the servicenode (SN1)
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#
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my @nodes = ();
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if (@ARGV == 1)
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{
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my $nr = $ARGV[0];
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@nodes = noderange($nr);
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if (nodesmissed)
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{
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my $rsp = {};
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$rsp->{data}->[0] =
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"Invalid nodes in noderange:" . join(',', nodesmissed);
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$callback->($rsp);
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return 1;
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}
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}
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else
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{
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# get all the nodes that use SN1 as the primary service nodes
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my $pn_hash = xCAT::ServiceNodeUtils->getSNandNodes();
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foreach my $snlist (keys %$pn_hash)
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{
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if (($snlist =~ /^$::SN1$/) || ($snlist =~ /^$::SN1\,/))
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{
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push(@nodes, @{ $pn_hash->{$snlist} });
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}
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}
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}
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#
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# make sure all the nodes are resolvable
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#
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foreach my $n (@nodes)
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{
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my $packed_ip = xCAT::NetworkUtils->getipaddr($n);
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if (!$packed_ip)
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{
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my $rsp;
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$rsp->{data}->[0] = "Could not resolve node \'$n\'.\n";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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}
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#
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# get the node object definitions
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#
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my %objtype;
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my %nodehash;
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foreach my $o (@nodes)
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{
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$objtype{$o} = 'node';
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}
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my %nhash = xCAT::DBobjUtils->getobjdefs(\%objtype, $callback);
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if (!(%nhash))
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{
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my $rsp;
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push @{ $rsp->{data} }, "Could not get xCAT object definitions.\n";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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# are we dealing with AIX or Linux ?
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# can't use isAIX since the MN could be Linux in mixed cluster
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$::islinux = 0;
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$::isaix = 0;
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foreach my $node (@nodes)
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{
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if ($nhash{$node}{os} eq "AIX")
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{
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$::isaix++;
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}
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else
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{
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$::islinux++;
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}
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}
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if ($::islinux && $::isaix)
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{
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my $rsp;
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push @{ $rsp->{data} },
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"This command does not support a mix of AIX and Linux nodes.\n";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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if ($::SLonly && $::islinux)
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{
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my $rsp;
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push @{ $rsp->{data} },
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"The '-l' option is not supported for Linux nodes.\n";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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#
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# get the nimtype for AIX nodes (diskless or standalone)
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#
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my %nimtype;
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if ($::isaix)
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{
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# need to check the nimimage table to find the nimtype
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my $nimtab = xCAT::Table->new('nimimage', -create => 1);
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if ($nimtab)
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{
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foreach my $node (@nodes)
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{
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my $provmethod = $nhash{$node}{'provmethod'};
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# get the nimtype
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my $ref =
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$nimtab->getAttribs({ imagename => $provmethod }, 'nimtype');
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if ($ref)
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{
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$nimtype{$node} = $ref->{'nimtype'};
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}
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}
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}
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}
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#
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# get the backup sn for each node
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#
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my @servlist; # list of new service nodes
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my %newsn;
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my $nodehash;
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if ($::SN2)
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{ # we have the backup for each node from cmd line
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foreach my $n (@nodes)
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{
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$newsn{$n} = $::SN2;
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}
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push(@servlist, $::SN2);
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}
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else
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{
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# check the 2nd value of the servicenode attr
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foreach my $node (@nodes)
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{
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if ($nhash{$node}{'servicenode'})
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{
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my @sn = split(',', $nhash{$node}{'servicenode'});
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# if ((scalar(@sn) > 2) && (xCAT::Utils->isAIX()))
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if ((scalar(@sn) > 2) && ($::isaix))
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{
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my $rsp = {};
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$rsp->{error}->[0] =
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"The service node attribute cannot have more than two values.";
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$callback->($rsp);
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}
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if ($sn[1])
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{
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$newsn{$node} = $sn[1];
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if (!grep(/^$sn[1]$/, @servlist))
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{
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push(@servlist, $sn[1]);
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}
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}
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}
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if (!$newsn{$node})
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{
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my $rsp = {};
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$rsp->{error}->[0] =
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"Could not determine a backup service node for node $node.";
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$callback->($rsp);
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$error++;
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}
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}
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}
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if ($error)
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{
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return 1;
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}
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#
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# get the new xcatmaster for each node
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#
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my %newxcatmaster;
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if ($::SN2N)
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{ # we have the xcatmaster for each node from cmd line
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foreach my $n (@nodes)
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{
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$newxcatmaster{$n} = $::SN2N;
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}
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}
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else
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{
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# try to calculate the xcatmaster value for each node
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# get all the interfaces from each SN
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# $sni{$SN}= list of ip
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my $s = &getSNinterfaces(\@servlist, $callback, $sub_req);
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my %sni = %$s;
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# get the network info for each node
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# $nethash{nodename}{networks attr name} = value
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my %nethash = xCAT::DBobjUtils->getNetwkInfo(\@nodes);
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# determine the xcatmaster value for the new SN
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foreach my $node (@nodes)
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{
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# get the node ip
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# or use getNodeIPaddress
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my $nodeIP = xCAT::NetworkUtils->getipaddr($node);
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chomp $nodeIP;
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# get the new SN for the node
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my $mySN = $newsn{$node};
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# check each interface on the service node
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foreach my $IP (@{ $sni{$mySN} })
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{
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# if IP is in nodes subnet then thats the xcatmaster
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if (
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xCAT::NetworkUtils->ishostinsubnet(
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$IP,
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$nethash{$node}{mask},
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$nethash{$node}{net}
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)
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)
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{
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# add the value to the hash
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$newxcatmaster{$node} = $IP;
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last;
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}
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}
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if (!$newxcatmaster{$node})
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{
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my $rsp = {};
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$rsp->{error}->[0] =
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"Could not determine an xcatmaster value for node $node.";
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$callback->($rsp);
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$error++;
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}
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}
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}
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if ($error)
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{
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return 1;
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}
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#
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# determine the new node attribute values
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#
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my %sn_hash;
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my $old_node_hash = {};
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my $index = 0;
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foreach my $node (@nodes)
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{
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my $sn1;
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my $sn1n;
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my $sn1n_ip;
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# get current xcatmaster
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if ($::SN1N)
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{ # use command line value
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$sn1n = $::SN1N;
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}
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elsif ($nhash{$node}{'xcatmaster'})
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{ # use xcatmaster attr
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$sn1n = $nhash{$node}{'xcatmaster'};
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}
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if ($sn1n)
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{
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my @ret = xCAT::NetworkUtils::toIP($sn1n);
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if ($ret[0]->[0] == 0)
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{
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$sn1n_ip = $ret[0]->[1];
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}
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}
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# get the servicenode values
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my @sn_a;
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my $snlist = $nhash{$node}{'servicenode'};
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@sn_a = split(',', $snlist);
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# get current servicenode
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if ($::SN1)
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{
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# current SN from the command line
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$sn1 = $::SN1;
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}
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else
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{
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# current SN from node attribute
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$sn1 = $sn_a[0];
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}
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# switch the servicenode attr list
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my @sn_temp = grep(!/^$newsn{$node}$/, @sn_a);
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unshift(@sn_temp, $newsn{$node});
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my $t = join(',', @sn_temp);
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$sn_hash{$node}{objtype} = 'node';
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# set servicenode and xcatmaster attr
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$sn_hash{$node}{'servicenode'} = $t;
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$sn_hash{$node}{'xcatmaster'} = $newxcatmaster{$node};
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$old_node_hash->{$node}->{'oldsn'} = $sn1;
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$old_node_hash->{$node}->{'oldmaster'} = $sn1n;
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# set tftpserver
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my $tftp = $nhash{$node}{'tftpserver'};
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if ($tftp)
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{
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if ($sn1n && ($tftp eq $sn1n))
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{
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$sn_hash{$node}{'tftpserver'} = $newxcatmaster{$node};
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}
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elsif ($sn1n_ip && ($tftp eq $sn1n_ip))
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{
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$sn_hash{$node}{'tftpserver'} = $newxcatmaster{$node};
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}
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}
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# set nfsserver
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my $nfs = $nhash{$node}{'nfsserver'};
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if ($nfs)
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{
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if ($sn1n && ($nfs eq $sn1n))
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{
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$sn_hash{$node}{'nfsserver'} = $newxcatmaster{$node};
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}
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elsif ($sn1n_ip && ($nfs eq $sn1n_ip))
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{
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$sn_hash{$node}{'nfsserver'} = $newxcatmaster{$node};
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}
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}
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#set monserver ( = "servicenode,xcatmaster" )
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my $mon = $nhash{$node}{'monserver'};
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if ($mon) # if it is currently set
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{
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my @tmp_a = split(',', $mon);
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if (scalar(@tmp_a) < 2) # it must have two values
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{
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my $rsp;
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push @{ $rsp->{data} },
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"The current value of the monserver attribute is not valid. It will not be reset.\n";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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}
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else
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{
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# if the first value is the current service node then change it
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if ($tmp_a[0] eq $sn1)
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{
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$sn_hash{$node}{'monserver'} =
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"$newsn{$node},$newxcatmaster{$node}";
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}
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}
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}
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} # end - foreach node
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# check the sharedinstall attr
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my $sharedinstall = xCAT::TableUtils->get_site_attribute('sharedinstall');
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chomp $sharedinstall;
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if (!$sharedinstall) {
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$sharedinstall = "no";
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}
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# handle the statelite update for sharedinstall=no
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# - not using a shared files system
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my %SLmodhash;
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my %LTmodhash;
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if (($::SLonly) && ($sharedinstall eq "sns"))
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{
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my $rsp;
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push @{ $rsp->{data} }, "The liteonly option is not valaid when using a shared file system across service nodes.\n";
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xCAT::MsgUtils->message("I", $rsp, $callback);
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return 1;
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}
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if (($::isaix) && ($sharedinstall eq "no"))
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{
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#
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# try to rsync statelite dirs from old SN to new SN
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# - only if old SN is listed in the tables!
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#
|
|
if ($::VERBOSE)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} },
|
|
"Attempting the synchronization of statelite files.\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
}
|
|
|
|
#
|
|
# handle statelite table
|
|
#
|
|
my $statetab = xCAT::Table->new('statelite', -create => 1);
|
|
|
|
# get hash of entries???
|
|
my $recs = $statetab->getAllEntries;
|
|
|
|
my $statemnt;
|
|
my $server;
|
|
my $dir;
|
|
my $item = 0;
|
|
my $id = 0;
|
|
my %donehash;
|
|
|
|
# for each entry
|
|
foreach my $line (@$recs)
|
|
{
|
|
$statemnt = $line->{statemnt};
|
|
($server, $dir) = split(/:/, $statemnt);
|
|
|
|
# see what nodes this entry applies to
|
|
my @nodeattr = &noderange($line->{node}, 0);
|
|
|
|
chomp $server;
|
|
my @donelist; # list of indices of old/new SN pairs
|
|
|
|
# the server and dir could potentially be different for each node
|
|
foreach my $n (@nodes)
|
|
{
|
|
|
|
# if the node is not in the noderange for this
|
|
# entry then skip it
|
|
if (!grep(/$n/, @nodeattr))
|
|
{
|
|
next;
|
|
}
|
|
|
|
# check for the server
|
|
if (grep /\$/, $server)
|
|
{
|
|
my $serv =
|
|
xCAT::SvrUtils->subVars($server, $n, 'server', $callback);
|
|
$server = $serv;
|
|
|
|
# note: if a variable is used in the entry then it
|
|
# does not have to be updated.
|
|
}
|
|
else
|
|
{
|
|
|
|
# if the $server value was the old SN hostname
|
|
# then we need to
|
|
# update the statelite table with the new SN name
|
|
$item++;
|
|
my $stmnt = "$sn_hash{$n}{'xcatmaster'}:$dir";
|
|
$SLmodhash{$item}{'statemnt'} = $stmnt;
|
|
$SLmodhash{$item}{'node'} = $n;
|
|
}
|
|
|
|
# check for the directory
|
|
if (grep /\$|#CMD/, $dir)
|
|
{
|
|
$dir = xCAT::SvrUtils->subVars($dir, $n, 'dir', $callback);
|
|
$dir =~ s/\/\//\//g;
|
|
}
|
|
|
|
# we only want to sync the subdir for this node
|
|
# ex. if dir = /nodedata then we sync /nodedata/compute03
|
|
my $dodir;
|
|
my $shorthost;
|
|
|
|
# just to be sure we have the short name
|
|
($shorthost = $n) =~ s/\..*$//;
|
|
if ($dir =~ /\/$/)
|
|
{
|
|
$dodir = "$dir$shorthost";
|
|
} else {
|
|
$dodir = "$dir/$shorthost";
|
|
}
|
|
|
|
# see if the server in the table matches the nodes SN
|
|
if ($server eq $old_node_hash->{$n}->{'oldmaster'})
|
|
{
|
|
|
|
# see if we did this sync already
|
|
my $foundit = 0;
|
|
foreach my $i (keys %donehash)
|
|
{
|
|
|
|
# if the server and dir are the same then
|
|
# we already did it
|
|
if (
|
|
($dodir eq $donehash{$i}{dir})
|
|
&& ($server eq $donehash{$i}{oldXM})
|
|
&& ($donehash{$i}{newXM} eq
|
|
$sn_hash{$n}{'xcatmaster'})
|
|
)
|
|
{
|
|
$foundit++;
|
|
}
|
|
}
|
|
|
|
# ok - just skip to the next node
|
|
if ($foundit)
|
|
{
|
|
next;
|
|
}
|
|
|
|
if ($::VERBOSE)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} },
|
|
"Synchronizing $dodir to $sn_hash{$n}{'xcatmaster'}\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
}
|
|
|
|
my $todir = dirname($dodir);
|
|
|
|
# do rsync of file/dir
|
|
my $synccmd =
|
|
qq~/usr/bin/rsync -arlHpEAogDz $dodir $newsn{$n}:$todir 2>&1~;
|
|
|
|
if ($::VERBOSE) {
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "On $old_node_hash->{$n}->{'oldsn'}: Running: \'$synccmd\'\n";
|
|
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
}
|
|
|
|
my $output =
|
|
xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh",
|
|
$old_node_hash->{$n}->{'oldsn'},
|
|
$synccmd, 0);
|
|
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} },
|
|
"Could not sync statelite \'$dodir\'.";
|
|
push @{ $rsp->{data} }, "$output\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
}
|
|
else
|
|
{
|
|
$id++;
|
|
$donehash{$id}{oldXM} =
|
|
$old_node_hash->{$n}->{'oldmaster'};
|
|
$donehash{$id}{dir} = $dodir;
|
|
$donehash{$id}{newXM} = $sn_hash{$n}{'xcatmaster'};
|
|
}
|
|
} # end if servers match
|
|
} # end - foreach node
|
|
} # end for each line in statelite table
|
|
|
|
# done with statelite table
|
|
$statetab->close();
|
|
|
|
# if only statelite sync is required then return now
|
|
if ($::SLonly)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
} # end sync statelite
|
|
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Setting new values in the xCAT database.\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
|
|
#
|
|
# make updates to statelite table
|
|
#
|
|
|
|
if (($::isaix) && ($sharedinstall eq "no"))
|
|
{
|
|
|
|
my $statetab = xCAT::Table->new('statelite', -create => 1);
|
|
|
|
# for each key in SLmodhash - update the statelite table
|
|
foreach my $item (keys %SLmodhash)
|
|
{
|
|
|
|
my $node = $SLmodhash{$item}{'node'};
|
|
my $statemnt = $SLmodhash{$item}{'statemnt'};
|
|
$statetab->setAttribs({ 'node' => $node }, { 'statemnt' => $statemnt });
|
|
}
|
|
|
|
# done with statelite table
|
|
$statetab->close();
|
|
|
|
}
|
|
|
|
# update the node definitions #1
|
|
if (keys(%sn_hash) > 0)
|
|
{
|
|
|
|
# update the node definition
|
|
if (xCAT::DBobjUtils->setobjdefs(\%sn_hash) != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not update xCAT node definitions.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $::callback);
|
|
$error++;
|
|
}
|
|
}
|
|
|
|
#
|
|
# handle conserver
|
|
#
|
|
my %sn_hash1;
|
|
foreach my $node (@nodes)
|
|
{
|
|
if (($nhash{$node}{'conserver'})
|
|
and
|
|
($nhash{$node}{'conserver'} eq $old_node_hash->{$node}->{'oldsn'}))
|
|
{
|
|
$sn_hash1{$node}{'conserver'} = $newsn{$node};
|
|
$sn_hash1{$node}{objtype} = 'node';
|
|
}
|
|
}
|
|
|
|
# update the node definition #2
|
|
if (keys(%sn_hash1) > 0)
|
|
{
|
|
if (xCAT::DBobjUtils->setobjdefs(\%sn_hash1) != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not update xCAT node definitions.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $::callback);
|
|
$error++;
|
|
}
|
|
}
|
|
|
|
#
|
|
# handle the statelite update for the sharedinstall=sns case
|
|
# - using a shared file system across all service nodes
|
|
# - must be done AFTER node def is updated!
|
|
#
|
|
if (($::isaix) && ($sharedinstall eq "sns")) {
|
|
my $s = &sfsSLconfig(\@nodes, \%nhash, \%sn_hash, $old_node_hash, $nimprime, $callback, $sub_req);
|
|
}
|
|
|
|
# TBD - handle sharedinstall =all case ????
|
|
|
|
|
|
|
|
# run makeconservercf
|
|
my @nodes_con = keys(%sn_hash1);
|
|
if (@nodes_con > 0)
|
|
{
|
|
my $rsp = {};
|
|
$rsp->{data}->[0] = "Running makeconservercf " . join(',', @nodes_con);
|
|
$callback->($rsp);
|
|
|
|
my $ret =
|
|
xCAT::Utils->runxcmd(
|
|
{
|
|
command => ['makeconservercf'],
|
|
node => \@nodes_con,
|
|
},
|
|
$sub_req, 0, 1
|
|
);
|
|
$callback->({ data => $ret });
|
|
}
|
|
|
|
#
|
|
# restore .client_data files on the new SN
|
|
#
|
|
if (($::isaix) && ($sharedinstall eq "sns")) {
|
|
|
|
# first get the shared_root locations for each SN and osimage
|
|
my $nimtab = xCAT::Table->new('nimimage');
|
|
my %SRloc;
|
|
foreach my $n (@nodes) {
|
|
my $osimage = $nhash{$n}{'provmethod'};
|
|
|
|
# get the new primary SN
|
|
my ($sn, $junk) = split(/,/, $sn_hash{$n}{'servicenode'});
|
|
|
|
# $sn is name of SN as known by management node
|
|
|
|
if (!$SRloc{$sn}{$osimage}) {
|
|
|
|
my $SRn = $nimtab->getAttribs({ 'imagename' => $osimage }, 'shared_root');
|
|
my $SRname = $SRn->{shared_root};
|
|
|
|
if ($SRname) {
|
|
my $srloc = xCAT::InstUtils->get_nim_attr_val($SRname, 'location', $callback, $nimprime, $sub_req);
|
|
|
|
$SRloc{$sn}{$osimage} = $srloc;
|
|
}
|
|
}
|
|
}
|
|
$nimtab->close();
|
|
|
|
# need a list of nodes for each SN
|
|
# - the nodes that have this SN as their primary SN
|
|
my %SNnodes;
|
|
my $nrtab = xCAT::Table->new('noderes');
|
|
my $nrhash;
|
|
if ($nrtab)
|
|
{
|
|
$nrhash = $nrtab->getNodesAttribs(\@nodes, [ 'xcatmaster', 'servicenode' ]);
|
|
}
|
|
$nrtab->close();
|
|
|
|
foreach my $node (@nodes)
|
|
{
|
|
my ($snode, $junk) = (split /,/, $nrhash->{$node}->[0]->{'servicenode'});
|
|
push(@{ $SNnodes{$snode} }, $node);
|
|
}
|
|
|
|
# now try to restore any backup client data
|
|
|
|
# for each service node
|
|
foreach my $s (keys %SRloc) {
|
|
|
|
# for each osimage on that SN
|
|
foreach my $osi (keys %{ $SRloc{$s} }) {
|
|
|
|
# set the names of the .client_data and backup directories
|
|
my $sloc = $SRloc{$s}{$osi};
|
|
|
|
# ex. /install/nim/shared_root/71Bdskls_shared_root
|
|
|
|
my $cdloc = "$sloc/etc/.client_data";
|
|
my $snbk = "$s" . "_" . "$osi";
|
|
my $bkloc = "$sloc/$snbk/.client_data";
|
|
|
|
# get a list of files from the backup dir
|
|
my $rcmd = qq~/usr/bin/ls $bkloc 2>/dev/null~;
|
|
|
|
if ($::VERBOSE) {
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Running \'$rcmd\' on $s\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
}
|
|
|
|
my $rlist = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $s, $rcmd, 0);
|
|
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not list contents of $bkloc.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
}
|
|
|
|
# restore file on node by node basis
|
|
# we don't want all the files!
|
|
# we need to process only the nodes that have this SN as
|
|
# their primary
|
|
my @nodelist = @{ $SNnodes{$s} };
|
|
|
|
foreach my $nd (@nodelist) {
|
|
|
|
$nd =~ s/\..*$//;
|
|
|
|
# for each file in $bkloc
|
|
my $filestring = "";
|
|
foreach my $f (split(/\n/, $rlist)) {
|
|
my $junk;
|
|
my $file;
|
|
if ($f =~ /:/) {
|
|
($junk, $file) = split(/:/, $f);
|
|
}
|
|
$file =~ s/\s*//g; # remove blanks
|
|
|
|
# if file contains node name then copy it
|
|
if ($file =~ /$nd/) {
|
|
$filestring .= "$bkloc/$file ";
|
|
}
|
|
}
|
|
|
|
if (!$filestring) {
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "No backup client_data files for node $nd in $bkloc. Current client data files in $cdloc should be checked to avoid boot errors.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
next;
|
|
}
|
|
|
|
my $ccmd = qq~/usr/bin/cp -p $filestring $cdloc 2>/dev/null~;
|
|
if ($::VERBOSE) {
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Running \'$ccmd\' on $s.\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
}
|
|
|
|
my $output = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $s, $ccmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not copy\n$filestring\n\tto $cdloc.\n";
|
|
push @{ $rsp->{data} }, "Command output:\n$output\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#
|
|
# - retarget the iscsi dump device to the new server for the nodes
|
|
#
|
|
if ((!$::IGNORE) && ($::isaix) && ($sharedinstall eq "sns")) {
|
|
|
|
if (!$::NORETARGET) {
|
|
if (&dump_retarget($callback, \@nodes, $sub_req) != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "One or more errors occured while attemping to re-target the dump device on cluster nodes.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
}
|
|
}
|
|
}
|
|
|
|
#
|
|
# Run niminit on AIX diskful nodes
|
|
#
|
|
if (!$::IGNORE) # unless the user does not want us to touch the node
|
|
{
|
|
|
|
if ($::isaix)
|
|
{
|
|
|
|
#if the node is aix and the type is standalone
|
|
foreach my $node (@nodes)
|
|
{
|
|
|
|
# if this is a standalone node then run niminit
|
|
if (($nimtype{$node}) && ($nimtype{$node} eq 'standalone'))
|
|
{
|
|
|
|
if ($::VERBOSE)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Running niminit on $node.\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
}
|
|
|
|
my $nimcmd =
|
|
qq~/usr/sbin/niminit -a name=$node -a master=$newsn{$node} >/dev/null 2>&1~;
|
|
|
|
my $out =
|
|
xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $node,
|
|
$nimcmd, 0);
|
|
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} },
|
|
"Could not run niminit on node $node.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
# for Linux system only
|
|
if ($::islinux)
|
|
{
|
|
|
|
#tftp, dhcp and nfs (site.disjointdhcps should be set to 1)
|
|
|
|
# get a list of nodes for each provmethod
|
|
my %nodeset_hash;
|
|
foreach my $node (@nodes)
|
|
{
|
|
my $provmethod = $nhash{$node}{'provmethod'};
|
|
if ($provmethod)
|
|
{
|
|
if (!grep(/^$node$/, @{ $nodeset_hash{$provmethod} }))
|
|
{
|
|
push(@{ $nodeset_hash{$provmethod} }, $node);
|
|
}
|
|
}
|
|
}
|
|
|
|
# run the nodeset command
|
|
foreach my $provmethod (keys(%nodeset_hash))
|
|
{
|
|
|
|
# need a node list to send to nodeset
|
|
my @nodeset_nodes = @{ $nodeset_hash{$provmethod} };
|
|
|
|
if (($provmethod eq 'netboot')
|
|
|| ($provmethod eq 'install')
|
|
|| ($provmethod eq 'statelite'))
|
|
{
|
|
my $ret =
|
|
xCAT::Utils->runxcmd(
|
|
{
|
|
command => ['nodeset'],
|
|
node => \@nodeset_nodes,
|
|
arg => [$provmethod],
|
|
},
|
|
$sub_req, 0, 1
|
|
);
|
|
my $rsp;
|
|
$rsp->{data} = $ret;
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
$error++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
my $ret =
|
|
xCAT::Utils->runxcmd(
|
|
{
|
|
command => ['nodeset'],
|
|
node => \@nodeset_nodes,
|
|
arg => ["osimage=$provmethod"],
|
|
},
|
|
$sub_req, 0, 1
|
|
);
|
|
my $rsp;
|
|
$rsp->{data} = $ret;
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
$error++;
|
|
}
|
|
}
|
|
}
|
|
} # end - for Linux system only
|
|
|
|
#
|
|
# update the /etc/xcatinfo files on the nodes
|
|
# switch to the new server name
|
|
#
|
|
if (!$::IGNORE)
|
|
{
|
|
if ($::isaix)
|
|
{
|
|
|
|
if ($::VERBOSE)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Updating the /etc/xcatinfo files.\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
}
|
|
|
|
foreach my $node (@nodes)
|
|
{
|
|
|
|
# may need to reorg this
|
|
# could organized into set of nodes for each new xcatmaster
|
|
# then run runxcmd for that set of nodes
|
|
my $IP = xCAT::NetworkUtils->getipaddr($newxcatmaster{$node});
|
|
chomp $IP;
|
|
my $cmd = qq~echo "XCATSERVER=$IP" > /etc/xcatinfo~;
|
|
my @nlist;
|
|
push(@nlist, $node);
|
|
|
|
my $ret =
|
|
xCAT::Utils->runxcmd(
|
|
{
|
|
command => ['xdsh'],
|
|
node => \@nlist,
|
|
arg => ["$cmd"],
|
|
},
|
|
$sub_req, 0, 1
|
|
);
|
|
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
$error++;
|
|
}
|
|
}
|
|
} # end if isaix
|
|
} # end of not ignore
|
|
|
|
if (!$::IGNORE)
|
|
{
|
|
|
|
#
|
|
# for both AIX and Linux systems
|
|
# setup the default gateway if the network.gateway=xcatmaster
|
|
# for the node
|
|
#
|
|
my %nethash;
|
|
my %ipmap = ();
|
|
my %gwhash = ();
|
|
my $nwtab = xCAT::Table->new("networks");
|
|
if ($nwtab)
|
|
{
|
|
my @tmp1 =
|
|
$nwtab->getAllAttribs(('net', 'mask', 'gateway', 'mgtifname'));
|
|
if (@tmp1 && (@tmp1 > 0))
|
|
{
|
|
foreach my $nwitem (@tmp1)
|
|
{
|
|
my $gw = $nwitem->{'gateway'};
|
|
if (!$gw)
|
|
{
|
|
next;
|
|
}
|
|
|
|
chomp $gw;
|
|
if ($gw ne '<xcatmaster>')
|
|
{
|
|
next;
|
|
}
|
|
|
|
#now only handle the networks that has <xcatmaster>
|
|
# as the gateway
|
|
my $NM = $nwitem->{'mask'};
|
|
my $net = $nwitem->{'net'};
|
|
my $ifname = $nwitem->{'mgtifname'};
|
|
chomp $NM;
|
|
chomp $net;
|
|
chomp $ifname;
|
|
|
|
# for each node - get the network info
|
|
foreach my $node (@nodes)
|
|
{
|
|
|
|
# get, check, split the node IP
|
|
my $IP = xCAT::NetworkUtils->getipaddr($node);
|
|
chomp $IP;
|
|
|
|
# check the entries of the networks table
|
|
# - if the bitwise AND of the IP and the netmask
|
|
# gives you
|
|
# the "net" name then that is the entry you want.
|
|
if (xCAT::NetworkUtils->ishostinsubnet($IP, $NM, $net))
|
|
{
|
|
my $newmaster = $newxcatmaster{$node};
|
|
my $newmasterIP;
|
|
if (exists($ipmap{$newmaster}))
|
|
{
|
|
$newmasterIP = $ipmap{$newmaster};
|
|
}
|
|
else
|
|
{
|
|
$newmasterIP =
|
|
xCAT::NetworkUtils->getipaddr($newmaster);
|
|
chomp($newmasterIP);
|
|
$ipmap{$newmaster} = $newmasterIP;
|
|
}
|
|
$nethash{$node}{'gateway'} = $newmasterIP;
|
|
$nethash{$node}{'net'} = $net;
|
|
$nethash{$node}{'mask'} = $NM;
|
|
$nethash{$node}{'mgtifname'} = $ifname;
|
|
if ($newmasterIP)
|
|
{
|
|
if (exists($gwhash{$newmasterIP}))
|
|
{
|
|
my $pa = $gwhash{$newmasterIP};
|
|
push(@$pa, $node);
|
|
}
|
|
else
|
|
{
|
|
$gwhash{$newmasterIP} = [$node];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (keys(%gwhash) > 0)
|
|
{
|
|
my $rsp;
|
|
$rsp->{data}->[0] = "Checking the default routes on the nodes.";
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
}
|
|
|
|
# for each new xcatmaster ip (gateway)
|
|
foreach my $gw (keys %gwhash)
|
|
{
|
|
|
|
# for each node that is moved to this new gateway
|
|
foreach my $nd (@{ $gwhash{$gw} }) {
|
|
|
|
my $cmd = "route add default gw"; # for linux
|
|
|
|
if ($::isaix)
|
|
{
|
|
|
|
# we need to make sure we have a default gateway set
|
|
# to the new SN - however we do not want to add
|
|
# an additional default gateway and we don't
|
|
# want to do anything to change what the user
|
|
# may have set up
|
|
# SO - just see if the old SN is the only default set
|
|
# and if so then change it to the new gw (SN)
|
|
|
|
my $oldgwip = xCAT::NetworkUtils->getipaddr($old_node_hash->{$nd}->{'oldmaster'});
|
|
|
|
# get the ouptut of "netstat -rn"
|
|
my $netcmd = qq~netstat -rn~;
|
|
my $netout = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $nd, $netcmd, 0);
|
|
|
|
my $foundold;
|
|
my $foundnew;
|
|
|
|
# see what default routes are set
|
|
foreach my $l (split(/\n/, $netout)) {
|
|
my $line;
|
|
my $junk;
|
|
if ($l =~ /:/) {
|
|
($junk, $line) = split(/:/, $l);
|
|
} else {
|
|
$line = $l;
|
|
}
|
|
|
|
my ($dest, $IP, $junk) = split(" ", $line);
|
|
if ($dest eq 'default') {
|
|
if ($IP eq $oldgwip) {
|
|
$foundold++;
|
|
}
|
|
if ($IP eq $gw) {
|
|
$foundnew++;
|
|
}
|
|
} else {
|
|
next;
|
|
}
|
|
} # end foreach
|
|
|
|
# decide if we need to change default gw
|
|
if ($foundold && !$foundnew) {
|
|
$cmd = "route change default";
|
|
} else {
|
|
$cmd = "";
|
|
}
|
|
}
|
|
|
|
if ($cmd)
|
|
{
|
|
my $ret =
|
|
xCAT::Utils->runxcmd(
|
|
{
|
|
command => ['xdsh'],
|
|
node => $gwhash{$gw},
|
|
arg => [ "-v", "$cmd $gw" ],
|
|
},
|
|
$sub_req, -1, 1
|
|
);
|
|
|
|
if (($::RUNCMD_RC != 0) &&
|
|
!grep(/ File exists/, @$ret)) # ignore already set error
|
|
{
|
|
my $rsp;
|
|
$rsp->{data} = $ret;
|
|
push @{ $rsp->{data} }, $ret;
|
|
push @{ $rsp->{data} }, "Could not set default route.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
}
|
|
}
|
|
|
|
} # end foreach node
|
|
} # end for each new gw
|
|
} # if not ignore nodes
|
|
|
|
#
|
|
# run the bootlist command
|
|
#
|
|
if (!$::IGNORE)
|
|
{
|
|
if ($::isaix)
|
|
{
|
|
# if ($::VERBOSE)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Updating the bootlist.\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
}
|
|
|
|
my %nethash = xCAT::DBobjUtils->getNetwkInfo(\@nodes);
|
|
|
|
foreach my $nd (@nodes)
|
|
{
|
|
# get the device name to use with the bootlist cmd
|
|
my $nimcmd = qq~netstat -in~;
|
|
my $nimout = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $nd, $nimcmd, 0);
|
|
my $myip = xCAT::NetworkUtils->getipaddr($nd);
|
|
chomp $myip;
|
|
my $intname;
|
|
foreach my $l (split(/\n/, $nimout))
|
|
|
|
{
|
|
my $line;
|
|
my $junk;
|
|
if ($l =~ /:/) {
|
|
($junk, $line) = split(/:/, $l);
|
|
} else {
|
|
$line = $l;
|
|
}
|
|
my ($name, $junk1, $junk, $IP, $junk3) = split(" ", $line);
|
|
chomp $IP;
|
|
|
|
if ($IP eq $myip)
|
|
{
|
|
$intname = $name;
|
|
last;
|
|
}
|
|
}
|
|
|
|
my $devicename;
|
|
if ($intname =~ /hf/) {
|
|
$intname =~ s/hf/hfi/g;
|
|
} elsif ($intname =~ /en/) {
|
|
$intname =~ s/en/ent/g;
|
|
} elsif ($intname =~ /et/) {
|
|
my $index = $intname =~ s/et//g;
|
|
$intname =~ s/et/ent/g;
|
|
}
|
|
|
|
$devicename = $intname;
|
|
|
|
# need node gateway
|
|
my $gateway = $nethash{$nd}{'gateway'};
|
|
|
|
# the boot server is the new xcatmaster value
|
|
my $snIP = xCAT::NetworkUtils->getipaddr($newxcatmaster{$nd});
|
|
|
|
# point to the new server
|
|
my $blcmd = qq~/usr/bin/bootlist -m normal $devicename gateway=$gateway bserver=$snIP client=$myip ~;
|
|
|
|
my $output = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $nd, $blcmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not run \'$blcmd\' on node $nd.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
next;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
# run postscripts to take care of syslog, ntp, and mkresolvconf
|
|
# - if they are included in the postscripts table
|
|
if (!$::IGNORE) # unless the user does not want us to touch the node
|
|
{
|
|
|
|
# get all the postscripts that should be run for the nodes
|
|
my $pstab = xCAT::Table->new('postscripts', -create => 1);
|
|
my $nodeposhash = {};
|
|
if ($pstab)
|
|
{
|
|
$nodeposhash =
|
|
$pstab->getNodesAttribs(\@nodes,
|
|
[ 'postscripts', 'postbootscripts' ]);
|
|
}
|
|
else
|
|
{
|
|
my $rsp = {};
|
|
$rsp->{error}->[0] = "Cannot open postscripts table.\n";
|
|
$callback->($rsp);
|
|
return 1;
|
|
}
|
|
|
|
my $et =
|
|
$pstab->getAttribs({ node => "xcatdefaults" },
|
|
'postscripts', 'postbootscripts');
|
|
my $defscripts = "";
|
|
my $defbootscripts = "";
|
|
if ($et)
|
|
{
|
|
$defscripts = $et->{'postscripts'};
|
|
$defbootscripts = $et->{'postbootscripts'};
|
|
}
|
|
|
|
my $user_posts;
|
|
if ($::POST)
|
|
{
|
|
$user_posts = $::POST;
|
|
}
|
|
my $pos_hash = {};
|
|
foreach my $node (@nodes)
|
|
{
|
|
|
|
foreach my $rec (@{ $nodeposhash->{$node} })
|
|
{
|
|
my $scripts;
|
|
if ($rec)
|
|
{
|
|
$scripts = join(',',
|
|
$defscripts, $rec->{'postscripts'},
|
|
$defbootscripts, $rec->{'postbootscripts'});
|
|
}
|
|
else
|
|
{
|
|
$scripts = join(',', $defscripts, $defbootscripts);
|
|
}
|
|
my @tmp_a = split(',', $scripts);
|
|
|
|
# xCAT's default scripts to be run: syslog,
|
|
# setupntp, and mkresolvconf
|
|
|
|
my @valid_scripts;
|
|
if (($::isaix) && ($sharedinstall eq "sns")) {
|
|
@valid_scripts = ("syslog", "setupntp");
|
|
} else {
|
|
@valid_scripts = ("syslog", "setupntp", "mkresolvconf");
|
|
}
|
|
my $scripts1 = "";
|
|
if (($user_posts) && ($user_posts eq "all"))
|
|
{
|
|
$scripts1 = $scripts;
|
|
|
|
#run all the postscripts defined in the postscripts table
|
|
}
|
|
else
|
|
{
|
|
foreach my $s (@valid_scripts)
|
|
{
|
|
|
|
# if it was included in the original list then run it
|
|
if (grep(/^$s$/, @tmp_a))
|
|
{
|
|
if ($scripts1)
|
|
{
|
|
$scripts1 = "$scripts1,$s";
|
|
}
|
|
else
|
|
{
|
|
$scripts1 = $s;
|
|
}
|
|
}
|
|
}
|
|
|
|
#append the user given scripts
|
|
if ($user_posts)
|
|
{
|
|
if ($scripts1)
|
|
{
|
|
$scripts1 = "$scripts1,$user_posts";
|
|
}
|
|
else
|
|
{
|
|
$scripts1 = $user_posts;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($scripts1)
|
|
{
|
|
if (exists($pos_hash->{$scripts1}))
|
|
{
|
|
my $pa = $pos_hash->{$scripts1};
|
|
push(@$pa, $node);
|
|
}
|
|
else
|
|
{
|
|
$pos_hash->{$scripts1} = [$node];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
my $rsp;
|
|
$rsp->{data}->[0] = "Running postscripts on the nodes.";
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
foreach my $scripts (keys(%$pos_hash))
|
|
{
|
|
my $pos_nodes = $pos_hash->{$scripts};
|
|
|
|
# need to run updatenode -s first as a separate call
|
|
# before running updatenode -P. The flags cannot be run together.
|
|
my $ret =
|
|
xCAT::Utils->runxcmd(
|
|
{
|
|
command => ['updatenode'],
|
|
node => $pos_nodes,
|
|
arg => ["-s"],
|
|
},
|
|
$sub_req, -1, 1
|
|
);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
$error++;
|
|
}
|
|
my $rsp;
|
|
$rsp->{data} = $ret;
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
|
|
$ret =
|
|
xCAT::Utils->runxcmd(
|
|
{
|
|
command => ['updatenode'],
|
|
node => $pos_nodes,
|
|
arg => [ "-P", "$scripts" ],
|
|
},
|
|
$sub_req, -1, 1
|
|
);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
$error++;
|
|
}
|
|
$rsp->{data} = $ret;
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
}
|
|
} # end -for both AIX and Linux systems
|
|
|
|
my $retcode = 0;
|
|
if ($error)
|
|
{
|
|
|
|
#my $rsp;
|
|
#push @{$rsp->{data}}, "One or more errors occurred while attempting to switch nodes to a new service node.\n";
|
|
#xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$retcode = 1;
|
|
}
|
|
|
|
#else
|
|
#{
|
|
# my $rsp;
|
|
# push @{$rsp->{data}}, "The nodes were successfully moved to the new service node.\n";
|
|
# xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
#}
|
|
|
|
return $retcode;
|
|
|
|
}
|
|
|
|
#----------------------------------------------------------------------------
|
|
|
|
=head3 getSNinterfaces
|
|
|
|
Get a list of ip addresses for each service node in a list
|
|
|
|
Arguments:
|
|
list of servcie nodes
|
|
Returns:
|
|
1 - could not get list of ips
|
|
0 - ok
|
|
Globals:
|
|
none
|
|
Error:
|
|
none
|
|
Example:
|
|
my $sni = xCAT::InstUtils->getSNinterfaces(\@servlist);
|
|
|
|
Comments:
|
|
none
|
|
|
|
=cut
|
|
|
|
#-----------------------------------------------------------------------------
|
|
sub getSNinterfaces
|
|
{
|
|
|
|
my ($list, $callback, $sub_req) = @_;
|
|
|
|
my @snlist = @$list;
|
|
|
|
my %SNinterfaces;
|
|
|
|
# get all the possible IPs for the node I'm running on
|
|
my $ifcmd;
|
|
|
|
# if (xCAT::Utils->isAIX())
|
|
if ($::isaix)
|
|
{
|
|
$ifcmd = "/usr/sbin/ifconfig -a ";
|
|
}
|
|
else
|
|
{
|
|
$ifcmd = "/sbin/ip addr ";
|
|
}
|
|
|
|
foreach my $sn (@snlist)
|
|
{
|
|
|
|
my $SNIP;
|
|
|
|
my $result =
|
|
xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $sn, $ifcmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my $rsp = {};
|
|
$rsp->{data}->[0] =
|
|
"Could not get IP addresses from service node $sn.\n";
|
|
$callback->($rsp);
|
|
next;
|
|
}
|
|
|
|
foreach my $int (split(/\n/, $result))
|
|
{
|
|
if (!grep(/inet/, $int))
|
|
{
|
|
|
|
# only want line with "inet"
|
|
next;
|
|
}
|
|
$int =~ s/$sn:\s+//; # skip hostname from xdsh output
|
|
my @elems = split(/\s+/, $int);
|
|
|
|
if (xCAT::Utils->isLinux())
|
|
{
|
|
if ($elems[0] eq 'inet6')
|
|
{
|
|
|
|
#Linux IPv6 TODO, do not return IPv6 networks on
|
|
# Linux for now
|
|
next;
|
|
}
|
|
|
|
($SNIP, my $mask) = split /\//, $elems[1];
|
|
}
|
|
else
|
|
{
|
|
|
|
# for AIX
|
|
if ($elems[0] eq 'inet6')
|
|
{
|
|
$SNIP = $elems[1];
|
|
$SNIP =~ s/\/.*//; # ipv6 address 4000::99/64
|
|
$SNIP =~ s/\%.*//; # ipv6 address ::1%1/128
|
|
}
|
|
else
|
|
{
|
|
$SNIP = $elems[1];
|
|
}
|
|
}
|
|
|
|
chomp $SNIP;
|
|
|
|
push(@{ $SNinterfaces{$sn} }, $SNIP);
|
|
}
|
|
}
|
|
|
|
return \%SNinterfaces;
|
|
}
|
|
|
|
#-----------------------------------------------------------------------------
|
|
sub usage
|
|
{
|
|
my $cb = shift;
|
|
my $rsp = {};
|
|
|
|
push @{ $rsp->{data} },
|
|
"\nsnmove - Move xCAT compute nodes from one xCAT service node to a \nbackup service node.";
|
|
push @{ $rsp->{data} }, "\nUsage: ";
|
|
push @{ $rsp->{data} }, "\tsnmove [-h | --help ]\n";
|
|
push @{ $rsp->{data} },
|
|
"\tsnmove noderange [-V] [-l|--liteonly] [[-d|--dest] sn2]\n\t\t[[-D|--destn] sn2n] [-i|--ignorenodes] \n\t\t[[-P|--postscripts] script1,script2...|all]\n";
|
|
push @{ $rsp->{data} },
|
|
"\tsnmove [-V] [-l|--liteonly] -s|--source sn1 [[-S|--sourcen] sn1n]\n\t\t[[-d|--dest] sn2] [[-D|--dest ] sn2n]\n\t\t[-i|--ignorenodes][[-P|--postscripts] script1,script2...|all]";
|
|
push @{ $rsp->{data} }, "\n";
|
|
push @{ $rsp->{data} }, "\nWhere:";
|
|
push @{ $rsp->{data} },
|
|
"\tsn1 is the hostname of the source service node as known by (facing) the management node.";
|
|
push @{ $rsp->{data} },
|
|
"\tsn1n is the hostname of the source service node as known by (facing) the nodes.";
|
|
push @{ $rsp->{data} },
|
|
"\tsn2 is the hostname of the destination service node as known by (facing) the management node.";
|
|
push @{ $rsp->{data} },
|
|
"\tsn2n is the hostname of the destination service node as known by (facing) the nodes.";
|
|
push @{ $rsp->{data} },
|
|
"\tscripts is a comma separated list of postscripts to be run on the nodes. 'all' means all the scripts defined in the postscripts table for each node are to be run.";
|
|
$cb->($rsp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#----------------------------------------------------------------------------
|
|
|
|
=head3 dump_retarget
|
|
|
|
Switches the iscsi dump target of nodes to a backup service node.
|
|
|
|
Arguments:
|
|
Returns:
|
|
0 - OK
|
|
1 - error
|
|
|
|
Usage: $ret = &dump_retarget($callback, \@nodelist, $sub_req);
|
|
|
|
=cut
|
|
|
|
#-----------------------------------------------------------------------------
|
|
sub dump_retarget
|
|
{
|
|
my $callback = shift;
|
|
my $nodelist = shift;
|
|
my $sub_req = shift;
|
|
|
|
my @nodes = @$nodelist;
|
|
|
|
my $error;
|
|
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Checking dump devices.\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
|
|
# get provmethod and xcatmaster for each node
|
|
my $nrtab = xCAT::Table->new('noderes');
|
|
my $nttab = xCAT::Table->new('nodetype');
|
|
my $nrhash;
|
|
my $nthash;
|
|
if ($nrtab)
|
|
{
|
|
$nrhash = $nrtab->getNodesAttribs(\@nodes, [ 'xcatmaster', 'servicenode' ]);
|
|
}
|
|
else
|
|
{
|
|
my $rsp = {};
|
|
$rsp->{data}->[0] = "Can not open noderes table.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback, 1);
|
|
}
|
|
if ($nttab)
|
|
{
|
|
$nthash = $nttab->getNodesAttribs(\@nodes, ['provmethod']);
|
|
}
|
|
else
|
|
{
|
|
my $rsp = {};
|
|
$rsp->{data}->[0] = "Can not open nodetype table.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback, 1);
|
|
}
|
|
|
|
# get the network info for each node
|
|
# $nethash{nodename}{networks attr name} = value
|
|
my %nethash = xCAT::DBobjUtils->getNetwkInfo(\@nodes);
|
|
|
|
|
|
# get a list of nodes for each SNs and osimage combo
|
|
# - also a list of osimages.
|
|
my %SNosinodes;
|
|
my @image_names;
|
|
my %SNname;
|
|
foreach my $node (@nodes)
|
|
{
|
|
|
|
my $xmast = $nrhash->{$node}->[0]->{'xcatmaster'};
|
|
my ($snode, $junk) = (split /,/, $nrhash->{$node}->[0]->{'servicenode'});
|
|
my $osimage = $nthash->{$node}->[0]->{'provmethod'};
|
|
|
|
push(@{ $SNosinodes{$xmast}{$osimage} }, $node);
|
|
|
|
if (!grep(/^$osimage$/, @image_names)) {
|
|
push(@image_names, $osimage);
|
|
}
|
|
$SNname{$xmast} = $snode;
|
|
}
|
|
|
|
#
|
|
# get the image defs from the DB
|
|
#
|
|
my %imghash;
|
|
my %objtype;
|
|
|
|
# for each image
|
|
foreach my $m (@image_names)
|
|
{
|
|
$objtype{$m} = 'osimage';
|
|
}
|
|
my %imghash = xCAT::DBobjUtils->getobjdefs(\%objtype, $callback);
|
|
if (!(%imghash))
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not get xCAT osimage definitions.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
}
|
|
|
|
# set the default port - todo - user could have set differently???
|
|
my $dump_port = 32600;
|
|
|
|
# for each SN
|
|
foreach my $sn (keys %SNosinodes)
|
|
{
|
|
# get ip addr of SN as known by the node
|
|
# - sn is "xcatmaster"
|
|
chomp $sn;
|
|
my $SNip = xCAT::NetworkUtils->getipaddr($sn);
|
|
|
|
# this is "servicenode" value - get first in list
|
|
my ($xcatSNname, $junk) = (split /,/, $SNname{$sn});
|
|
|
|
# for each osimage needed for this SN
|
|
foreach my $osi (keys %{ $SNosinodes{$sn} })
|
|
{
|
|
if (!$imghash{$osi}{'dump'}) {
|
|
next;
|
|
}
|
|
|
|
# get dump target and lun from nim dump res def
|
|
my %nimattrs;
|
|
my $dump_target;
|
|
my $dump_lunid;
|
|
my @attrs = ("dump_target", "dump_lunid");
|
|
my $na = &getnimattr($imghash{$osi}{'dump'}, \@attrs, $callback, $xcatSNname, $sub_req);
|
|
|
|
if ($na) {
|
|
%nimattrs = %{$na};
|
|
$dump_target = $nimattrs{dump_target};
|
|
$dump_lunid = $nimattrs{dump_lunid};
|
|
}
|
|
my $configdump;
|
|
if ($imghash{$osi}{'configdump'}) {
|
|
$configdump = $imghash{$osi}{'configdump'};
|
|
} else {
|
|
$configdump = "selective";
|
|
}
|
|
|
|
if ($::VERBOSE) {
|
|
|
|
# print values ??
|
|
# or cmd??
|
|
}
|
|
|
|
if (!$dump_target || !$dump_port || !$SNip || !$dump_lunid) {
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not re-target the dump device for the following nodes. \n@{$SNosinodes{$sn}{$osi}}\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
next;
|
|
}
|
|
|
|
my @nodelist = @{ $SNosinodes{$sn}{$osi} };
|
|
foreach my $nd (@nodelist) {
|
|
|
|
chomp $nd;
|
|
my $Nodeip = xCAT::NetworkUtils->getipaddr($nd);
|
|
|
|
# need node gateway
|
|
my $gateway = $nethash{$nd}{'gateway'};
|
|
|
|
# This should configure the iscsi disc on the client
|
|
my $tcmd = qq~/usr/lpp/bos.sysmgt/nim/methods/c_disc_target -a operation=discover -a target="$dump_target" -a dump_port="$dump_port" -a ipaddr="$SNip" -a lun_id="$dump_lunid"~;
|
|
my $hd = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $nd, $tcmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not run \'$tcmd\' on node $nd.\
|
|
n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
next;
|
|
}
|
|
chomp $hd;
|
|
|
|
my $hdisk;
|
|
foreach my $line (split(/\n/, $hd)) {
|
|
if ($line =~ /hdisk/) {
|
|
$hdisk = $line;
|
|
if ($line =~ /:/) {
|
|
my $node;
|
|
($node, $hdisk) = split(': ', $line);
|
|
}
|
|
}
|
|
}
|
|
|
|
chomp $hdisk;
|
|
$hdisk =~ s/\s*//g;
|
|
|
|
if (!$hdisk) {
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not determine dump device for node $nd.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
next;
|
|
}
|
|
|
|
# define the disk on the client
|
|
my $mkcmd = qq~/usr/sbin/mkdev -l $hdisk~;
|
|
|
|
my $output = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $nd, $mkcmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not run \'$mkcmd\' on node $nd.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
next;
|
|
}
|
|
|
|
# configure the dump device, select either selective or full
|
|
# for the configdump attribute.
|
|
my $ccmd = qq~/usr/lpp/bos.sysmgt/nim/methods/c_config_dump -a configdump=$configdump -a target=$dump_target -a dump_port=$dump_port -a ipaddr=$SNip -a lun_id=$dump_lunid~;
|
|
|
|
$output = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh",
|
|
$nd, $ccmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not run \'$ccmd\' on node $nd.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
next;
|
|
}
|
|
|
|
# set the dump disk:
|
|
my $syscmd = qq~/usr/bin/sysdumpdev -p /dev/$hdisk~;
|
|
$output = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $nd, $syscmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not run \'$syscmd\' on node $nd.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
$error++;
|
|
next;
|
|
}
|
|
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Set the primary dump device for node \'$nd\' to \'/dev/$hdisk\' and changed the dump target to \'$sn\'.\n";
|
|
xCAT::MsgUtils->message("I", $rsp, $callback);
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($error) {
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#----------------------------------------------------------------------------
|
|
|
|
=head3 getnimattr
|
|
|
|
Get the specified nim attrs form the named server
|
|
|
|
Returns:
|
|
undef - error
|
|
hash ref -
|
|
|
|
=cut
|
|
|
|
#-----------------------------------------------------------------------------
|
|
sub getnimattr
|
|
{
|
|
my $resname = shift;
|
|
my $attr = shift;
|
|
my $callback = shift;
|
|
my $target = shift;
|
|
my $sub_req = shift;
|
|
|
|
my @attrs = @$attr;
|
|
my %attrval;
|
|
|
|
if (!$resname) {
|
|
return undef;
|
|
}
|
|
|
|
if (!$target)
|
|
{
|
|
$target = xCAT::InstUtils->getnimprime();
|
|
}
|
|
chomp $target;
|
|
|
|
my $ncmd = "/usr/sbin/lsnim ";
|
|
foreach my $a (@attrs)
|
|
{
|
|
$ncmd .= "-a $a ";
|
|
}
|
|
|
|
$ncmd .= "$resname 2>/dev/null";
|
|
|
|
my $attrlist = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $target, $ncmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
if ($::VERBOSE) {
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not run lsnim command: \'$ncmd\'.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
}
|
|
return undef;
|
|
}
|
|
|
|
foreach my $line (split(/\n/, $attrlist)) {
|
|
|
|
# look for attr name
|
|
foreach my $a (@attrs) {
|
|
chomp $a;
|
|
if ($line =~ /$a/) {
|
|
my ($stuff, $value) = split('=', $line);
|
|
chomp $value;
|
|
|
|
my ($val, $rest) = split(' ', $value);
|
|
|
|
# add to hash
|
|
$attrval{$a} = $val;
|
|
}
|
|
}
|
|
}
|
|
|
|
return \%attrval;
|
|
}
|
|
|
|
#----------------------------------------------------------------------------
|
|
|
|
=head3 sfsSLconfig
|
|
|
|
Does statelite setup when using a shared file system
|
|
|
|
The snmove cmd changes the xcatmaster value for the nodes
|
|
This means, that since we won't be running mkdsklsnode again,
|
|
we need to take care of the ststelite file changes here
|
|
- update statelite tables in DB
|
|
- run dolitesetup to re-create the statelite files stored
|
|
in the shared_root directories
|
|
- copy the new statelite files to the shared_root directory
|
|
on the target service node (only one since this is a
|
|
shared filesystem
|
|
- note: not copying the persistent directory on the MN
|
|
|
|
Arguments:
|
|
Returns:
|
|
0 - OK
|
|
1 - error
|
|
|
|
Usage: $ret = &sfsSLconfig(\@nodelist, \%nhash, \%sn_hash, $nimprime,
|
|
$callback, $sub_req);
|
|
|
|
=cut
|
|
|
|
#-----------------------------------------------------------------------------
|
|
sub sfsSLconfig
|
|
{
|
|
my $nodelist = shift;
|
|
my $nh = shift;
|
|
my $n_h = shift;
|
|
my $old_node_hash = shift;
|
|
my $nimprime = shift;
|
|
my $callback = shift;
|
|
my $sub_req = shift;
|
|
|
|
my @nodes = @$nodelist;
|
|
my %nhash = %{$nh};
|
|
my %sn_hash = %{$n_h};
|
|
my %imghash; # osimage def
|
|
|
|
my $statemnt;
|
|
my $server;
|
|
my $dir;
|
|
my $item = 0;
|
|
|
|
my %SLmodhash; # changes for the statelite DB table
|
|
|
|
# gather some basic info
|
|
my $targetsn; # name of SN to copy files to
|
|
my %objtype; # need to pass to getobjdefs
|
|
my %osinodes; # list of nodes for each osimage
|
|
my @osimage; # list of osimages
|
|
foreach my $n (@nodes) {
|
|
if (!grep(/$nhash{$n}{'provmethod'}/, @osimage)) {
|
|
push(@osimage, $nhash{$n}{'provmethod'});
|
|
|
|
$objtype{ $nhash{$n}{'provmethod'} } = 'osimage';
|
|
|
|
push(@{ $osinodes{ $nhash{$n}{'provmethod'} } }, $n);
|
|
|
|
my ($sn, $snbak) = split(/,/, $sn_hash{$n}{servicenode});
|
|
if (!$targetsn) {
|
|
if (!xCAT::InstUtils->is_me($sn)) {
|
|
$targetsn = $sn;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
my $statetab = xCAT::Table->new('statelite', -create => 1);
|
|
my $recs = $statetab->getAllEntries;
|
|
|
|
#
|
|
# update the statelite DB tables
|
|
#
|
|
foreach my $line (@$recs)
|
|
{
|
|
$statemnt = $line->{statemnt};
|
|
|
|
# if the statemnt is a variable then skip it
|
|
if (grep /^\$/, $statemnt) {
|
|
next;
|
|
}
|
|
|
|
($server, $dir) = split(/:/, $statemnt);
|
|
chomp $server;
|
|
|
|
# see what nodes this entry applies to
|
|
my @nodeattr = &noderange($line->{node}, 0);
|
|
|
|
foreach my $n (@nodes)
|
|
{
|
|
# if the node is not in the noderange for this
|
|
# entry then skip it
|
|
if (!grep(/$n/, @nodeattr))
|
|
{
|
|
next;
|
|
}
|
|
|
|
# if the $server value was the old SN hostname
|
|
# then we need to
|
|
# update the statelite table with the new SN name
|
|
if ($server eq $old_node_hash->{$n}->{'oldmaster'}) {
|
|
my $stmnt = "$sn_hash{$n}{'xcatmaster'}:$dir";
|
|
$SLmodhash{$item}{'statemnt'} = $stmnt;
|
|
$SLmodhash{$item}{'node'} = $n;
|
|
|
|
$statetab->setAttribs({ 'node' => $n }, { 'statemnt' => $stmnt, 'mntopts' => $line->{mntopts}, 'comments' => $line->{comments}, 'disable' => $line->{disable} });
|
|
}
|
|
}
|
|
} # end statelite DB update
|
|
|
|
# done with statelite table
|
|
$statetab->close();
|
|
|
|
# get the osimage defs
|
|
my %imghash = xCAT::DBobjUtils->getobjdefs(\%objtype, $callback);
|
|
if (!(%imghash))
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not get xCAT osimage definitions.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
return 1;
|
|
}
|
|
|
|
#
|
|
# call dolitesetup() for each osimage needed for the nodes
|
|
# to re-do the statelite tables etc. in the shared_root dir
|
|
#
|
|
foreach my $i (@osimage)
|
|
{
|
|
|
|
# dolitesetup to update the shared_root table files
|
|
# - updates files in the sopot and shared_root resour
|
|
my $rc = xCAT::InstUtils->dolitesetup($i, \%imghash, \@{ $osinodes{$i} }, $callback, $sub_req);
|
|
if ($rc == 1) { # error
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not complete the statelite setup.\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
return 1;
|
|
}
|
|
} # end statelite setup
|
|
|
|
#
|
|
# copy files to target SN
|
|
#
|
|
|
|
foreach my $i (@osimage)
|
|
{
|
|
my $SRname = $imghash{$i}{shared_root};
|
|
|
|
if ($SRname) {
|
|
my $srloc = xCAT::InstUtils->get_nim_attr_val($imghash{$i}{shared_root}, "location", $callback, $nimprime, $sub_req);
|
|
|
|
if ($srloc) {
|
|
my $cpcmd = qq~$::XCATROOT/bin/xdcp $targetsn ~;
|
|
my $output;
|
|
if (-f "$srloc/statelite.table") {
|
|
$cpcmd .= qq~$srloc/statelite.table ~;
|
|
}
|
|
|
|
if (-f "$srloc/litefile.table") {
|
|
$cpcmd .= qq~$srloc/litefile.table ~;
|
|
}
|
|
|
|
if (-f "$srloc/litetree.table") {
|
|
$cpcmd .= qq~$srloc/litetree.table ~;
|
|
}
|
|
|
|
if (-f "$srloc/aixlitesetup") {
|
|
$cpcmd .= qq~$srloc/aixlitesetup ~;
|
|
}
|
|
$cpcmd .= qq~$srloc/ ~;
|
|
|
|
$output = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $nimprime, $cpcmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not copy new statelite file to $targetsn\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
}
|
|
|
|
my $ddir = "$srloc/.default";
|
|
if (-d $ddir) {
|
|
$cpcmd = qq~$::XCATROOT/bin/xdcp $targetsn -R $srloc/.default $srloc/~;
|
|
}
|
|
|
|
$output = xCAT::InstUtils->xcmd($callback, $sub_req, "xdsh", $nimprime, $cpcmd, 0);
|
|
if ($::RUNCMD_RC != 0)
|
|
{
|
|
my $rsp;
|
|
push @{ $rsp->{data} }, "Could not copy new statelite information to $targetsn\n";
|
|
xCAT::MsgUtils->message("E", $rsp, $callback);
|
|
}
|
|
}
|
|
}
|
|
} # end copy files
|
|
|
|
return 0;
|
|
}
|