From efe89ceab96dea3414cc35790951f21bc4d55f44 Mon Sep 17 00:00:00 2001
From: Subhendu Ghosh <sghosh@users.sourceforge.net>
Date: Mon, 19 Apr 2004 13:14:15 +0000
Subject: Postgres backend monitor

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@870 f882894a-f735-0410-b71e-b25c423dba1c

diff --git a/AUTHORS b/AUTHORS
index 3d5f9b7..ea8bd50 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -111,4 +111,4 @@ Flo Gleixner
 Howard Wilkinson
 Torsten Werner
 Roy Sigurd Karlsbakk
-
+Kondoros Attila
diff --git a/contrib/check_nagios_db_pg.pl b/contrib/check_nagios_db_pg.pl
new file mode 100644
index 0000000..99e5d4e
--- /dev/null
+++ b/contrib/check_nagios_db_pg.pl
@@ -0,0 +1,91 @@
+#!/usr/bin/perl -w
+
+use strict;
+$|++;
+
+use vars qw/$opt_e $opt_c/;
+
+$ENV{"PATH"} = "/usr/bin:/usr/sbin:/bin";
+
+use Getopt::Std;
+use DBI;
+
+my $driver = "Pg";
+
+my $CFG_DEF = "/etc/nagios/cgi.cfg";
+# this works only in mysql
+# my $QUERY = "select *, UNIX_TIMESTAMP(last_update) as ut from programstatus;";
+# the following is the same for postgres
+my $QUERY = "select *, round(date_part('epoch',last_update)) as ut from programstatus;";
+my $EXPIRE_DEF = 5; ## expressed in minutes
+my $PROCCNT = 0;
+
+use constant OK => 1;
+use constant WARN => 2;
+
+my $STAT = WARN;
+
+sub usage {
+        print STDERR "\n";
+        print STDERR "$0 -F -e &lt;expire time in minutes&gt; -C &lt;process string&gt;\n";
+        print STDERR "\n";
+        exit -1;
+}
+
+getopt("e:c:");
+
+my $EXPIRE = $opt_e || $EXPIRE_DEF;
+my $CFG = $opt_c || $CFG_DEF;
+
+( -f $CFG ) or die "Can't open config file '$CFG': $!\n";
+
+my ($dbhost, $dbport, $dbuser, $dbpass, $dbname);
+
+open(F, "< $CFG");
+while ( <F> ) {
+        if (/^xsddb_host=(.+)/) { $dbhost = $1; next; };
+        if (/^xsddb_port=(.+)/) { $dbport = $1; next; };
+        if (/^xsddb_database=(.+)/) { $dbname = $1; next; };
+        if (/^xsddb_username=(.+)/) { $dbuser = $1; next; };
+        if (/^xsddb_password=(.+)/) { $dbpass = $1; next; };
+}
+close(F);
+
+#print "($dbhost, $dbport, $dbuser, $dbpass, $dbname)\n";
+
+my $dsn = "DBI:$driver:dbname=$dbname;host=$dbhost;port=$dbport";
+my $dbh = DBI->connect($dsn, $dbuser, $dbpass, {'RaiseError' => 1});
+
+my $sth = $dbh->prepare($QUERY);
+if (!$sth) { die "Error:" . $dbh->errstr . "\n"; }
+$sth->execute;
+if (!$sth->execute) { die "Error:" . $sth->errstr . "\n"; }
+
+my %status = ();
+
+my $names = $sth->{'NAME'};
+my $numFields = $sth->{'NUM_OF_FIELDS'};
+my $ref = $sth->fetchrow_arrayref;
+for (my $i = 0;  $i < $numFields;  $i++) {
+        $status{"$$names[$i]"} = $$ref[$i];
+}
+
+#foreach (keys(%status)) {
+#       print "$_: $status{$_}\n";
+#}
+
+my $lastupdated = time() - $status{"ut"};
+if ( $lastupdated < ($EXPIRE*60) ) { ## convert $EXPIRE to seconds
+        $STAT = OK;
+}
+
+open(PS, "ps -eaf | grep $status{nagios_pid} | grep -v grep | ");
+$PROCCNT = 0;
+while(<PS>) {
+        $PROCCNT++;
+}
+close(PS);
+
+if ( $STAT == OK ) {
+        print "Nagios OK: located $PROCCNT processes, program status updated $lastupdated seconds ago\n";
+}
-- 
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