92 lines
2.2 KiB
Perl
92 lines
2.2 KiB
Perl
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#!/usr/bin/perl -w
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use strict;
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$|++;
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use vars qw/$opt_e $opt_c/;
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$ENV{"PATH"} = "/usr/bin:/usr/sbin:/bin";
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use Getopt::Std;
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use DBI;
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my $driver = "Pg";
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my $CFG_DEF = "/etc/nagios/cgi.cfg";
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# this works only in mysql
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# my $QUERY = "select *, UNIX_TIMESTAMP(last_update) as ut from programstatus;";
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# the following is the same for postgres
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my $QUERY = "select *, round(date_part('epoch',last_update)) as ut from programstatus;";
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my $EXPIRE_DEF = 5; ## expressed in minutes
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my $PROCCNT = 0;
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use constant OK => 1;
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use constant WARN => 2;
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my $STAT = WARN;
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sub usage {
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print STDERR "\n";
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print STDERR "$0 -F -e <expire time in minutes> -C <process string>\n";
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print STDERR "\n";
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exit -1;
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}
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getopt("e:c:");
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my $EXPIRE = $opt_e || $EXPIRE_DEF;
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my $CFG = $opt_c || $CFG_DEF;
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( -f $CFG ) or die "Can't open config file '$CFG': $!\n";
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my ($dbhost, $dbport, $dbuser, $dbpass, $dbname);
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open(F, "< $CFG");
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while ( <F> ) {
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if (/^xsddb_host=(.+)/) { $dbhost = $1; next; };
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if (/^xsddb_port=(.+)/) { $dbport = $1; next; };
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if (/^xsddb_database=(.+)/) { $dbname = $1; next; };
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if (/^xsddb_username=(.+)/) { $dbuser = $1; next; };
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if (/^xsddb_password=(.+)/) { $dbpass = $1; next; };
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}
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close(F);
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#print "($dbhost, $dbport, $dbuser, $dbpass, $dbname)\n";
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my $dsn = "DBI:$driver:dbname=$dbname;host=$dbhost;port=$dbport";
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my $dbh = DBI->connect($dsn, $dbuser, $dbpass, {'RaiseError' => 1});
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my $sth = $dbh->prepare($QUERY);
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if (!$sth) { die "Error:" . $dbh->errstr . "\n"; }
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$sth->execute;
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if (!$sth->execute) { die "Error:" . $sth->errstr . "\n"; }
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my %status = ();
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my $names = $sth->{'NAME'};
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my $numFields = $sth->{'NUM_OF_FIELDS'};
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my $ref = $sth->fetchrow_arrayref;
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for (my $i = 0; $i < $numFields; $i++) {
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$status{"$$names[$i]"} = $$ref[$i];
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}
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#foreach (keys(%status)) {
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# print "$_: $status{$_}\n";
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#}
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my $lastupdated = time() - $status{"ut"};
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if ( $lastupdated < ($EXPIRE*60) ) { ## convert $EXPIRE to seconds
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$STAT = OK;
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}
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open(PS, "ps -eaf | grep $status{nagios_pid} | grep -v grep | ");
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$PROCCNT = 0;
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while(<PS>) {
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$PROCCNT++;
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}
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close(PS);
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if ( $STAT == OK ) {
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print "Nagios OK: located $PROCCNT processes, program status updated $lastupdated seconds ago\n";
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}
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