363 lines
8.9 KiB
Plaintext
363 lines
8.9 KiB
Plaintext
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#!/usr/bin/env perl
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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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# cfm2xcat:
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#
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# This routine will read in cfmupdatenode distribution files
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# and build the files need to input to xdcp rsync function
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# in xCAT.
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#
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# cfm2xcat will run cfmupdatenode -a, it sets the environment
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# variable CSM_CFM_SAVE_DISTFILE to the file path input with the -i option
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# to save the built cfm distribution file(s).
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# These are normally deleted after cfm runs.
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#
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# cfm2xcat will then take the files that were created from calling
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# cfmupdatenode and create xCAT xdcp files synch files and store them in the
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# path input with the -o flag.
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#
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# Example:
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# cfm2xcat -i <...cfmsave> -o < path to output file>
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# cfm2xcat -i /tmp/cfmsave -o /tmp/xcat/xcatdistfile
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#
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# The routine will process all the /.../cfmsave* files and when finished,
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# you will have the new files xcatdistfile* and noderange* generated which
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# will be the correct format to input to the xdcp -F command in xCAT to run
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# the equivalent syncing of files that you were running on CSM.
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#
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# Take the files in the /tmp/xcat/* directory from the example above and
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# place on your xCAT Management Node. Then run for each file combination:
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# xdcp ^/tmp/xcat/noderange1 -F /tmp/xcat/xcatdistfile1
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# More information is in the manpage for cfm2xcat and xdcp
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#####################################################
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use strict;
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use warnings;
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use Getopt::Long;
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use Data::Dumper;
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my $help;
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my $input;
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my $output;
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my $rc = 0;
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if (
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!GetOptions(
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'h|help' => \$help,
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'i|input=s' => \$input,
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'o|output=s' => \$output,
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)
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)
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{
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&usage;
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exit 1;
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}
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if ($help)
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{
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&usage;
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exit 0;
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}
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if (!($input))
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{
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print "Input file path must be supplied with the -i flag.\n";
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exit 1;
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}
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if (!($output))
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{
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print "Output file path and name must be supplied with the -o flag.\n";
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exit 1;
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}
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# call cfmupdatenode and build cfm distribution files
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&buildcfmdistfiles($input);
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if (-e ($input)) # if anything built
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{
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# build the xcat sync files
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$rc = &buildxcatrsyncfiles($input, $output);
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if ($rc == 0)
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{
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print
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"Conversion finished, please carefully review $output files! Make sure that all the files list to sync to the nodes are relevant and available on the xCAT system in the directory indicated. \n";
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}
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else
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{
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print " Error converting cfm file to xdcp files.\n";
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}
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}
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else
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{
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print " Error building CFM dist files, or nothing to do.\n";
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}
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exit 0;
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# end main
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#
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#
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# Builds the CFM distribution files from the cfmupdatenode -a call
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#
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sub buildcfmdistfiles
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{
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my ($cfmfile) = @_;
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my $cmd;
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my @output;
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# remove old files , if they exist
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my $tmpcfmfile = $cfmfile;
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if (-e ($tmpcfmfile))
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{
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$tmpcfmfile .= "*";
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$cmd = "rm $tmpcfmfile";
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@output = runcmd($cmd);
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if ($::RUNCMD_RC != 0)
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{
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print " Error running $cmd.\n";
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return 1;
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}
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}
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# export the CSM_CFM_SAVE_DISTFILE variable to the input (-i)
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# path, makes cfmupdatenode save the dist file(s) from the run in a
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# file by that name
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$cmd = "CSM_CFM_SAVE_DISTFILE=$cfmfile cfmupdatenode -a";
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# run the cfmupdate command
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@output = runcmd($cmd);
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if ($::RUNCMD_RC != 0)
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{
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print " Error running $cmd.\n";
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return 1;
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}
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else
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{
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return 0;
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}
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}
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#
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#
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# Builds the xdcp sync files from the CFM dist files
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#
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sub buildxcatrsyncfiles
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{
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my ($CFMfiles, $xcatfile) = @_;
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my $cmd;
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my @output;
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my %noderangequeue;
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# remove old files, if they exist
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my $tmpxcatfile = $xcatfile;
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if (-e ($tmpxcatfile))
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{
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$tmpxcatfile .= "*";
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$cmd = "rm $tmpxcatfile";
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@output = runcmd($cmd);
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if ($::RUNCMD_RC != 0)
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{
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print " Error running $cmd.\n";
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return 1;
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}
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}
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# get list of CFM files that were built
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$cmd = "ls $CFMfiles";
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$cmd .= "*";
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my @CFMfilelist = runcmd($cmd);
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if ($::RUNCMD_RC != 0)
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{
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print " Error running $cmd.\n";
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return 1;
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}
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my $msg = "Building xCat rsync files $xcatfile from $CFMfiles\n";
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print "$msg";
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# For each CFM output file, open the CFM input file to read
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foreach my $cfmfile (@CFMfilelist)
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{
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open(CFM, "< $cfmfile")
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or die "Can't open $cfmfile for reading: $!";
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#
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# convert the CFM rdist format to the xdcp format for rsync
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# build a hash of noderange -> to distribution files
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#
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while (my $line = <CFM>)
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{
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chomp $line;
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if ($line =~ /^#/) # skip commments
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{
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next;
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}
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if ($line =~ /.runclocal/) # skip sending runclocal
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{
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next;
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}
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my ($sourcefile, $rest) = split("->", $line);
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my ($tmpnodes, $destfile) = split("install", $rest);
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# get rid of parenthesis
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my ($paren, $tnodes) = split(/\(/, $tmpnodes);
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my ($nodes, $paren2) = split(/\)/, $tnodes);
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chomp $nodes;
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# strip off /cfmroot and /var/opt/csm/cfmlocal paths
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my ($root, $strippedsourcefile) = split("cfmroot", $sourcefile);
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chomp $strippedsourcefile;
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my ($root2, $strippeddestfile) = split("cfmlocal", $destfile);
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chomp $strippeddestfile;
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chop $strippeddestfile;
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$noderangequeue{$nodes}{'files'}{$strippedsourcefile} =
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$strippeddestfile;
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}
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close(CFM);
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}
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#
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# now take the hash and build the xdcp file(s), key is the noderange
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# (use short hostname)
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# one for each noderange and a matching noderange file
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# for example xdcpfile1 xdcpfile1.noderange
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#
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my $index;
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foreach (keys %noderangequeue)
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{
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my $noderange = $_;
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# open the xCAT output files to write
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my $newxcatfilenr = $xcatfile;
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$newxcatfilenr .= ".nr";
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# file to hold the noderange
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if ($index)
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{ # processing more than one noderange then building
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# more than one xdcp file
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$newxcatfilenr .= "$index";
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}
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open(XCATNR, "> $newxcatfilenr")
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or die "Can't open $newxcatfilenr for writing: $!";
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# create an appropriate noderange ( comma seperated)
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my @nodes = split(/ /, $noderange);
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my $goodnr = "";
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foreach my $node (@nodes)
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{
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if ($node !~ /^\s*$/)
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{ #skip blanks
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my @shorthost = split(/\./, $node);
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$goodnr .= $shorthost[0];
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$goodnr .= ",";
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}
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}
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chop $goodnr;
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# write into the noderange file
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write_line_nr($goodnr);
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write_line_nr("\n");
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# file to hold the rsync interface file to file list
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my $newxcatfile = $xcatfile;
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# file to hold the noderange
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if ($index)
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{ # processing more than one noderange then building
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# more than one xdcp file
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$newxcatfile .= "$index";
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}
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open(XCAT, "> $newxcatfile")
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or die "Can't open $newxcatfile for writing: $!";
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my $srcfile;
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my $destfile;
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foreach my $sourcefile (keys %{$noderangequeue{$noderange}{'files'}})
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{
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$srcfile = $sourcefile;
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$destfile = $noderangequeue{$noderange}{'files'}{$sourcefile};
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write_line($srcfile);
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write_line("-> ");
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write_line($destfile);
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write_line("\n");
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}
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close(XCAT);
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close(XCATNR);
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$index++;
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}
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return 0;
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}
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#
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# runs the input command and handles the errors. Returns the output
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#
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sub runcmd
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{
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my ($cmd) = @_;
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my $rc = 0;
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$::RUNCMD_RC = 0;
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my $outref = [];
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@$outref = `$cmd`;
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if ($?)
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{
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$rc = $?;
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$::RUNCMD_RC = $rc;
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if ($rc > 0)
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{
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my $msg = "$cmd returned rc=$rc @$outref\n";
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print "$msg";
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}
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}
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chomp(@$outref);
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return @$outref;
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}
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sub usage
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{
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print "CFM distribution file to xCAT xdcp rsync migration facility.\n";
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print "Usage:\n";
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print "\t-h - usage\n";
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print
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"\t-i - Complete path to the CFM file(s) saved to be converted for xCAT.";
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print " Be sure directory exists.\n";
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print
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"\t-o - Complete Path to the xCAT xdcp rsync input file(s) created from.";
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print " the CFM file. Be sure directory exists.\n";
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print
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" Example: cfm2xcat -i /tmp/migration/cfmfiles -o /tmp/migration/xdcpfiles.";
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print "\n";
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return;
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}
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#
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# write to xCAT rsync files
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#
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sub write_line
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{
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print XCAT @_;
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}
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#
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# write to xCAT rsync noderange files
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#
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sub write_line_nr
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{
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print XCATNR @_;
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}
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