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90 lines
3.5 KiB
Perl
90 lines
3.5 KiB
Perl
# IBM(c) 2009 EPL license http://www.eclipse.org/legal/epl-v10.html
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package xCAT_monitoring::bootttmon;
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1;
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#--------------------------------------------------------------------------------
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=head3 processTableChanges
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This subroutine gets called when changes are made to the boottarget or nodetype tables
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Arguments:
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action - table action. It can be d for rows deleted, a for rows added
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or u for rows updated.
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tablename - string. The name of the DB table whose data has been changed.
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old_data - an array reference of the old row data that has been changed.
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The first element is an array reference that contains the column names.
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The rest of the elelments are also array references each contains
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attribute values of a row.
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It is set when the action is u or d.
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new_data - a hash refernce of new row data; only changed values are present
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in the hash. It is keyed by column names.
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It is set when the action is u or a.
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Returns:
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0
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Comment:
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To use,
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1. run regnotif bootttmon.pm boottarget,nodetype -o u
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2. Then change the boottarget or nodetype tables (add node, remove node, or change status column).
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3. Watch /var/log/bootttmon for output and updates to pxelinux.cfg files.
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=cut
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#-------------------------------------------------------------------------------
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sub processTableChanges {
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my $action = shift;
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if ($action =~ /xCAT_monitoring::bootttmon/) {
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$action = shift;
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}
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my $tablename = shift;
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my $old_data = shift;
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my $new_data = shift;
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my @profiles = ();
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my $newprofile;
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open(FILE, ">>/var/log/bootttmon") or dir("cannot open the file\n");
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($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) = localtime(time);
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printf FILE "\n-----------%2d-%02d-%04d %02d:%02d:%02d-----------\n", $mon + 1, $mday, $year + 1900, $hour, $min, $sec;
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if ($new_data) {
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push(@profiles, $tablename);
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push(@profiles, $action);
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if ($tablename eq "boottarget") {
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$newprofile = $new_data->{bprofile};
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push(@profiles, $new_data->{bprofile});
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push(@profiles, $new_data->{kernel});
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push(@profiles, $new_data->{initrd});
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push(@profiles, $new_data->{kcmdline});
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}
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else {
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$newprofile = $new_data->{profile};
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push(@profiles, $new_data->{node});
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push(@profiles, $new_data->{os});
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push(@profiles, $new_data->{arch});
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push(@profiles, $new_data->{profile});
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push(@profiles, $new_data->{nodetype});
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}
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push(@profiles, $new_data->{comments});
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push(@profiles, $new_data->{disable});
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$news = join(',', @profiles);
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print(FILE "Input is: $news\n");
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}
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if (($action eq "u") and ($newprofile ne '')) {
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my @nodes = ();
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if ($tablename eq "boottarget") { #have to look at all nodes
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@nodes = `nodels '/.*' nodetype.profile==$newprofile`;
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}
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else { #only look at those nodes directly effected
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@nodes = `nodels $new_data->{node}`;
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}
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chomp(@nodes);
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for (my $j = 0 ; $j < @nodes ; $j++) {
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my $node = @nodes[$j];
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my $state = `nodeset $node stat`;
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my @states = split(/:/, $state);
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$state = @states[1];
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my $out = `nodeset $node $state`;
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print(FILE "pxelinux.cfg file update for $out");
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}
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}
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close(FILE);
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return 0;
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}
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