xcat-core/xCAT-server/share/xcat/tools/reorgtbls
2013-03-08 11:37:59 +00:00

118 lines
3.5 KiB
Perl
Executable File

#!/usr/bin/env perl
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
#
#####################################################
#
# This script will run a reorg on the DB2 table(s)
# It is dependent on the setup of DB2 by the db2sqlsetup script
# It is to be set in a cron job on the xCAT Management Node and
# requires xCAT to be installed because it uses xCAT Perl libraries
# and xCAT commands
#
#####################################################
BEGIN
{
$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
$::XCATDIR = $ENV{'XCATDIR'} ? $ENV{'XCATDIR'} : '/etc/xcat';
}
use lib "$::XCATROOT/lib/perl";
use xCAT::Utils;
use Getopt::Long;
use strict;
use warnings;
# Use runsqlcmd to run the SQL query to read the list of tables in
# the XCATDB schema
# Then use runsqlcmd to run the reorg on the list of tables,
# allow read/write by other applications during reorg
#
my $tablelist;
my $help;
my $cmd;
my @tablist;
GetOptions( 'V|verbose' => \$::VERBOSE,
't=s' => \$tablelist,
'h|help' => \$help,);
if ($help) {
print "DB2 Table Reorganization utility.\n";
print
"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";
print "Usage:\n";
print "\t--V - Verbose mode\n";
print "\t--h - usage\n";
print
"\t--t -comma delimitated list of tables.\n Without this flag it reorgs all tables in the xcatdb database .\n";
print "\n";
exit 0;
}
# check to see if running DB2
my $DBname = xCAT::Utils->get_DBName;
if ($DBname ne "DB2") {
print " Reorg of table only supported for DB2 database\n";
`logger -p local4.err -txcat " reorgtbls:Only supports DB2 database"` ;
exit 1;
}
if ($tablelist) { # input list of tables
@tablist=split(/\,/, $tablelist);
} else { # get all tables
$cmd="$::XCATROOT/sbin/runsqlcmd \"select tabname from syscat.tables where TABSCHEMA='XCATDB';\"";
@tablist = xCAT::Utils->runcmd($cmd, 0);
if ($::RUNCMD_RC != 0)
{
`logger -p local4.err -txcat " reorgtbls:error in select tabname from syscat.tables"` ;
exit 1;
}
}
# reorg each table
my $foundheader=0;
foreach my $table (@tablist) {
chomp $table;
# skip lines untils we find the header unless -t option
if (!($tablelist)) {
if ($foundheader==0) {
if ( !($table =~ /TABNAME/)) {
next;
} else {
$foundheader=1;
next;
}
}
}
# skip blanks and -- lines
$table =~ s/\s*//g; # remove blanks
if ($table =~ /^\s*$/) { # skip blanks
next;
}
if ($table =~ m/[^a-zA-Z0-9_]/) # skip non alphanumeric lines not underscore
{
next;
}
$table =~ tr/a-z/A-Z/; # convert to upper
if ($::VERBOSE) {
print " Reorg of table $table\n";
}
$cmd="$::XCATROOT/sbin/runsqlcmd \"reorg indexes all for table $table allow write access;\"";
xCAT::Utils->runcmd($cmd, 0);
if ($::RUNCMD_RC != 0)
{
`logger -p local4.warning -txcat " reorgtbls:error $cmd"`;
} else {
`logger -p local4.info -txcat " reorgtbls:reorg indexes for $table"`;
}
$cmd="$::XCATROOT/sbin/runsqlcmd \"reorg table $table inplace allow write access;\"";
xCAT::Utils->runcmd($cmd, 0);
if ($::RUNCMD_RC != 0)
{
`logger -p local4.warning -txcat " reorgtbls:error $cmd"`;
} else {
`logger -p local4.info-txcat " reorgtbls:reorg $table inplace"`;
}
}
exit 0;