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 #
  27
  28
  29 use DBI;
  30 use DBD::Sybase;
  31 use Getopt::Long;
  32 use lib ".";
  33 use utils qw($TIMEOUT %ERRORS &print_revision &support);
  34 use strict;
  35
  36 my $PROGNAME = "check_mssql";
  37
  38 my (
  39         $server,$database,$username,$password,$query,$help,$verbose,$timeout,
  40         $dbh,$sth,$row,
  41         $s,$opt_V,$regex
  42 );
  43 my $exitcode = $ERRORS{'OK'};
  44
  45 process_arguments();
  46
  47 # Just in case of problems, let's not hang Nagios
  48 $SIG{'ALRM'} = sub {
  49      print ("SQL UNKNOWN: ERROR connection $server (alarm timeout)\n");
  50      exit $ERRORS{"UNKNOWN"};
  51 };
  52 alarm($TIMEOUT);
  53
  54 unless ($dbh = DBI->connect("dbi:Sybase:server=".uc($server), "$username", "$password")) {
  55         printf "SQL CRITICAL: Can't connect to mssql server $DBI::errstr\n";
  56         exit($ERRORS{'CRITICAL'});
  57 }
  58
  59 if (defined $database) {  # otherwise use default database
  60         unless ($dbh->do("use $database")) {
  61                 printf ("SQL CRITICAL: Can't 'use $database': $dbh->errstr");
  62                 exit($ERRORS{'CRITICAL'});
  63         }
  64 }
  65 $sth = $dbh->prepare($query);
  66 unless ($sth->execute()) {
  67         printf("SQL CRITICAL: Error in query: $dbh->errstr\n");
  68         exit($ERRORS{'CRITICAL'});
  69 }
  70
  71 $row = join(";",$sth->fetchrow_array);
  72
  73 $sth->finish;
  74 $dbh->disconnect;
  75
  76 alarm(0);
  77 if (defined $regex) {
  78         if ($row =~ /$regex/) {
  79                 printf "SQL CRITICAL: - $row|$row\n";
  80                 exit $ERRORS{'CRITICAL'};
  81         }else{
  82                 print "SQL OK: $row|$row\n";
  83                 exit $ERRORS{'OK'};
  84         }
  85 }
  86
  87 print "SQL OK: $row|$row\n";
  88 exit $ERRORS{'OK'};
  89
  90 ##################################################
  91
  92 sub syntax {
  93         $s = shift or $s = 'Unknown';
  94         printf("Error: ($s)\n") unless ($help);
  95         printf("Runs a query against a MS-SQL server or Sybase server and returns the first row\n");
  96         printf("Returns an error if no responses are running. Row is passed to perfdata in\n");
  97         printf("semicolon delimited format\n");
  98         printf("A simple sql statement like \"select getdate()\" verifies server responsiveness\n\n");
  99         printf("Syntax: %s -s <server> -d <database> -u <username> -p <password> -q <query>     [-v]\n", $PROGNAME);
 100         printf("  --database -d         Database name\n");
 101         printf("  --Hostname -H         Server name\n");
 102         printf("  --username -u         Username\n");
 103         printf("  --password -p         Password\n");
 104         printf("  --query -q            SQL query to run\n");
 105         printf("  --timeout -t          Plugin timeout (default:$TIMEOUT)\n");
 106         printf("  --regex -r            regex against SQL response(CRIT if MATCH)\n");
 107         printf("  --verbose -v          verbose\n");
 108         printf("\nThe SQL response is concatenated into a string with a \";\" demarkation\n\n");
 109         exit($ERRORS{'UNKNOWN'});
 110 }
 111
 112 sub process_arguments {
 113         Getopt::Long::Configure('bundling');
 114         my $status = GetOptions
 115                 ("p=s" => \$password, "password=s" => \$password,
 116                  "u=s" => \$username, "username=s" => \$username,
 117                  "H=s" => \$server, "Hostname=s"    => \$server,
 118                  "d=s" => \$database, "database=s" => \$database,
 119                  "q=s" => \$query, "query=s" => \$query,
 120                  "t=i" => \$timeout, "timeout=i" => \$timeout,
 121                  "r=s" => \$regex, "regex=s" => \$regex,
 122                  "h" => \$help, "help" => \$help,
 123                  "v" => \$verbose, "verbose" => \$verbose,
 124                  "V" => \$opt_V, "version" => \$opt_V);
 125
 126         if (defined $opt_V) {
 127                 print_revision($PROGNAME,'@NP_VERSION@');
 128                 exit $ERRORS{'OK'};
 129         }
 130
 131         syntax("Help:") if ($help);
 132         syntax("Missing username") unless (defined($username));
 133         syntax("Missing password") unless (defined($password));
 134         syntax("Missing server") unless (defined($server));
 135         syntax("Missing query string") unless (defined($query));
 136         $timeout = $TIMEOUT unless (defined($timeout));
 137
 138         return;
 139
 140 }