#!/usr/bin/perl
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
#(C)IBM Corp

#

BEGIN
{
    $::XCATROOT =
        $ENV{'XCATROOT'} ? $ENV{'XCATROOT'}
      : -d '/opt/xcat'   ? '/opt/xcat'
      : '/usr';
}
use lib "$::XCATROOT/lib/perl";
use Getopt::Long;
use xCAT::MsgUtils;
use xCAT::Utils;
use strict;

#-----------------------------------------------------------------------------

=head1  dumpxCATdb 



 dumpxCATdb  -p <directory to place database dump> 


=cut

#-----------------------------------------------------------------------------
# Main
my $rc = 0;
my $cmd;
&parse_args;
my @output = xCAT::Utils->runcmd("tabdump", 0);
if ($::RUNCMD_RC != 0)
{    # error
    xCAT::MsgUtils->message("E",
                            "Error running tabdump to get list of tables");
    exit 1;
}
# read tables to skip during dump from site.skiptables attribute
my @output2=xCAT::Utils->get_site_attribute('skiptables');
my @skiptbls;
if (@output2) {
  @skiptbls = split (/\,/,$output2[0]);
}
foreach my $table (@output)
{
    # if not -a request , skip eventlog and auditlog
    if ( (!$::ALL) && (($table =~ /^eventlog/) || ($table =~ /^auditlog/))) {
      if ($::DUMPVERBOSE) {
        xCAT::MsgUtils->message("I", "Skipping $table\n");
      }
      next;
    }
    # skip teal tables 
    if ( $table =~ /^x_teal/ ) {
      if ($::DUMPVERBOSE) {
        xCAT::MsgUtils->message("I", "Skipping $table\n");
      }
      next;
    }
    # skip and table in the site.skiptables attribute
    if (grep(/^$table$/, @skiptbls)) {  
      if ($::DUMPVERBOSE) {
        xCAT::MsgUtils->message("I", "Skipping $table\n");
      }
      next;
    }

    $cmd = "tabdump -f $::PATH/$table.csv $table";
    my @errout = xCAT::Utils->runcmd($cmd, 0);
    if ($::RUNCMD_RC != 0)
    {    # error
        xCAT::MsgUtils->message("E", "Error running $cmd, @errout");
    } else {
      if ($::DUMPVERBOSE) {
        xCAT::MsgUtils->message("I", "Dumping $table");
      }
    }

}
xCAT::MsgUtils->message("I", "Backup Complete.");
exit $rc;

#-----------------------------------------------------------------------------

=head3 parse_args
  
  Parses for  input

=cut

#-----------------------------------------------------------------------------
sub parse_args
{
    my $msg;
    my  $usagemsg =
          " dumpxCATdb -h \n dumpxCATdb -v \n dumpxCATdb [-a] [-V] <-p> [path to dump directory]";
    Getopt::Long::Configure("posix_default");
    Getopt::Long::Configure("no_gnu_compat");
    Getopt::Long::Configure("bundling");
    if (
        !GetOptions(
            'a|all'    => \$::ALL,
            'p|path=s'  => \$::PATH,
            'h|help'    => \$::HELP,
            'V|verbose'    => \$::DUMPVERBOSE,
            'v|version' => \$::VERSION

        )
      )
    {
        xCAT::MsgUtils->message("E", $usagemsg);
        exit 1;
    }
    if ($::HELP)
    {
        xCAT::MsgUtils->message("I", $usagemsg);
        exit 0;
    }
    if ($::VERSION)
    {
        my $version = xCAT::Utils->Version();
        xCAT::MsgUtils->message("N", $version);
        exit 0;
    }
    if (!($::PATH))
    {
        my $msg = " Requires -p with path to directory to hold db files.";
        xCAT::MsgUtils->message("E", $msg);
        exit 1;
    }
    if (!( -e $::PATH)) {
          my $msg = " Creating $::PATH for database dump";
          xCAT::MsgUtils->message("I", $msg);
          my @output = xCAT::Utils->runcmd("mkdir -p $::PATH", 0);
          if ($::RUNCMD_RC != 0)
          {    # error
              xCAT::MsgUtils->message("E",
                            "Error running mkdir -p $::PATH");
              exit 1;
          }
    }

}

