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https://github.com/xcat2/xcat-core.git
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122 lines
3.6 KiB
Perl
Executable File
122 lines
3.6 KiB
Perl
Executable File
#!/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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#
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# This script will run a reorg on the DB2 table(s)
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# It is dependent on the setup of DB2 by the db2sqlsetup script
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# It is to be set in a cron job on the xCAT Management Node and
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# requires xCAT to be installed because it uses xCAT Perl libraries
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# and xCAT commands
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#
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#####################################################
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BEGIN
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{
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$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
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$::XCATDIR = $ENV{'XCATDIR'} ? $ENV{'XCATDIR'} : '/etc/xcat';
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}
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use lib "$::XCATROOT/lib/perl";
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use Getopt::Long;
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use strict;
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use warnings;
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# Use runsqlcmd to run the SQL query to read the list of tables in
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# the XCATDB schema
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# Then use runsqlcmd to run the reorg on the list of tables,
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# allow read/write by other applications during reorg
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#
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my $tablelist;
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my $help;
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my $cmd;
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my @tablist;
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GetOptions( 'V|verbose' => \$::VERBOSE,
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't=s' => \$tablelist,
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'h|help' => \$help,);
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if ($help) {
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print "DB2 Table Reorganization utility.\n";
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print
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"This script can be set as a cron job or run on the command line to reorg the xcatdb DB2 database tables. It automatically added as a cron job, if you use the db2sqlsetup command to create your DB2 database setup for xCAT. \n";
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print "Usage:\n";
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print "\t--V - Verbose mode\n";
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print "\t--h - usage\n";
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print
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"\t--t -comma delimitated list of tables.\n Without this flag it reorgs all tables in the xcatdb database .\n";
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print "\n";
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print "Author: Lissa Valletta\n";
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exit 0;
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}
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require xCAT::Utils;
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# check to see if running DB2
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my $DBname = xCAT::Utils->get_DBName;
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if ($DBname ne "DB2") {
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print " Reorg of table only supported for DB2 database\n";
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`logger -p local4.err -t xcat " reorgtbls:Only supports DB2 database"` ;
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exit 1;
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}
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if ($tablelist) { # input list of tables
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@tablist=split(/\,/, $tablelist);
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} else { # get all tables
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$cmd="$::XCATROOT/sbin/runsqlcmd \"select tabname from syscat.tables where TABSCHEMA='XCATDB';\"";
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@tablist = xCAT::Utils->runcmd($cmd, 0);
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if ($::RUNCMD_RC != 0)
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{
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`logger -p local4.err -t xcat " reorgtbls:error in select tabname from syscat.tables"` ;
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exit 1;
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}
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}
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# reorg each table
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my $foundheader=0;
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foreach my $table (@tablist) {
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chomp $table;
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# skip lines untils we find the header unless -t option
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if (!($tablelist)) {
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if ($foundheader==0) {
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if ( !($table =~ /TABNAME/)) {
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next;
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} else {
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$foundheader=1;
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next;
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}
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}
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}
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# skip blanks and -- lines
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$table =~ s/\s*//g; # remove blanks
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if ($table =~ /^\s*$/) { # skip blanks
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next;
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}
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if ($table =~ m/[^a-zA-Z0-9_]/) # skip non alphanumeric lines not underscore
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{
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next;
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}
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$table =~ tr/a-z/A-Z/; # convert to upper
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if ($::VERBOSE) {
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print " Reorg of table $table\n";
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`logger -p local4.info -t xcat " Reorg of table $table."`;
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}
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$cmd="$::XCATROOT/sbin/runsqlcmd \"reorg indexes all for table $table allow write access;\"";
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xCAT::Utils->runcmd($cmd, 0);
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if ($::RUNCMD_RC != 0)
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{
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`logger -p local4.warning -t xcat " reorgtbls:error $cmd"`;
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} else {
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`logger -p local4.info -t xcat " reorgtbls:reorg indexes for $table"`;
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}
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$cmd="$::XCATROOT/sbin/runsqlcmd \"reorg table $table inplace allow write access;\"";
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xCAT::Utils->runcmd($cmd, 0);
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if ($::RUNCMD_RC != 0)
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{
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`logger -p local4.warning -t xcat " reorgtbls:error $cmd"`;
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} else {
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`logger -p local4.info -t xcat " reorgtbls:reorg $table inplace"`;
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}
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}
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exit 0;
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