plugins-scripts/check_mssql.pl

   1 #!/usr/bin/perl -w
   2
   3 #
   4 # Copyright 2003 Roy Sigurd Karlsbakk
   5 #
   6 # Requires freetds and DBD::Sybase
   7 # http://www.freetds.org
   8 # http://www.mbay.net/~mpeppler/
   9 #
  10 # This program is free software; you can redistribute it and/or
  11 # modify it under the terms of the GNU General Public License
  12 # as published by the Free Software Foundation; either version 2
  13 # of the License, or (at your option) any later version.
  14 #
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program; if not, write to the Free Software
  22 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  23 #
  24 # Report bugs to: nagiosplug-help@lists.sourceforge.net
  25 #
  26 # $Id$
  27 #
  28
  29
  30 use DBI;
  31 use DBD::Sybase;
  32 use Getopt::Long;
  33 use lib ".";
  34 use utils qw($TIMEOUT %ERRORS &print_revision &support);
  35 use strict;
  36
  37 my $PROGNAME = "check_mssql";
  38
  39 my (
  40         $server,$database,$username,$password,$query,$help,$verbose,$timeout,
  41         $dbh,$sth,$row,
  42         $s,$opt_V,$regex
  43 );
  44 my $exitcode = $ERRORS{'OK'};
  45
  46 process_arguments();
  47
  48 # Just in case of problems, let's not hang Nagios
  49 $SIG{'ALRM'} = sub {
  50      print ("SQL UNKNOWN: ERROR connection $server (alarm timeout)\n");
  51      exit $ERRORS{"UNKNOWN"};
  52 };
  53 alarm($TIMEOUT);
  54
  55 unless ($dbh = DBI->connect("dbi:Sybase:server=".uc($server), "$username", "$password")) {
  56         printf "SQL CRITICAL: Can't connect to mssql server $DBI::errstr\n";
  57         exit($ERRORS{'CRITICAL'});
  58 }
  59
  60 if (defined $database) {  # otherwise use default database
  61         unless ($dbh->do("use $database")) {
  62                 printf ("SQL CRITICAL: Can't 'use $database': $dbh->errstr");
  63                 exit($ERRORS{'CRITICAL'});
  64         }
  65 }
  66 $sth = $dbh->prepare($query);
  67 unless ($sth->execute()) {
  68         printf("SQL CRITICAL: Error in query: $dbh->errstr\n");
  69         exit($ERRORS{'CRITICAL'});
  70 }
  71
  72 $row = join(";",$sth->fetchrow_array);
  73
  74 $sth->finish;
  75 $dbh->disconnect;
  76
  77 alarm(0);
  78 if (defined $regex) {
  79         if ($row =~ /$regex/) {
  80                 printf "SQL CRITICAL: - $row|$row\n";
  81                 exit $ERRORS{'CRITICAL'};
  82         }else{
  83                 print "SQL OK: $row|$row\n";
  84                 exit $ERRORS{'OK'};
  85         }
  86 }
  87
  88 print "SQL OK: $row|$row\n";
  89 exit $ERRORS{'OK'};
  90
  91 ##################################################
  92
  93 sub syntax {
  94         $s = shift or $s = 'Unknown';
  95         printf("Error: ($s)\n") unless ($help);
  96         printf("Runs a query against a MS-SQL server or Sybase server and returns the first row\n");
  97         printf("Returns an error if no responses are running. Row is passed to perfdata in\n");
  98         printf("semicolon delimited format\n");
  99         printf("A simple sql statement like \"select getdate()\" verifies server responsiveness\n\n");
 100         printf("Syntax: %s -s <server> -d <database> -u <username> -p <password> -q <query>     [-v]\n", $PROGNAME);
 101         printf("  --database -d         Database name\n");
 102         printf("  --Hostname -H         Server name\n");
 103         printf("  --username -u         Username\n");
 104         printf("  --password -p         Password\n");
 105         printf("  --query -q            SQL query to run\n");
 106         printf("  --timeout -t          Plugin timeout (default:$TIMEOUT)\n");
 107         printf("  --regex -r            regex against SQL response(CRIT if MATCH)\n");
 108         printf("  --verbose -v          verbose\n");
 109         printf("\nThe SQL response is concatenated into a string with a \";\" demarkation\n\n");
 110         exit($ERRORS{'UNKNOWN'});
 111 }
 112
 113 sub process_arguments {
 114         Getopt::Long::Configure('bundling');
 115         my $status = GetOptions
 116                 ("p=s" => \$password, "password=s" => \$password,
 117                  "u=s" => \$username, "username=s" => \$username,
 118                  "H=s" => \$server, "Hostname=s"    => \$server,
 119                  "d=s" => \$database, "database=s" => \$database,
 120                  "q=s" => \$query, "query=s" => \$query,
 121                  "t=i" => \$timeout, "timeout=i" => \$timeout,
 122                  "r=s" => \$regex, "regex=s" => \$regex,
 123                  "h" => \$help, "help" => \$help,
 124                  "v" => \$verbose, "verbose" => \$verbose,
 125                  "V" => \$opt_V, "version" => \$opt_V);
 126
 127         if (defined $opt_V) {
 128                 print_revision($PROGNAME,'$Revision$');
 129                 exit $ERRORS{'OK'};
 130         }
 131
 132         syntax("Help:") if ($help);
 133         syntax("Missing username") unless (defined($username));
 134         syntax("Missing password") unless (defined($password));
 135         syntax("Missing server") unless (defined($server));
 136         syntax("Missing query string") unless (defined($query));
 137         $timeout = $TIMEOUT unless (defined($timeout));
 138
 139         return;
 140
 141 }