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Diffstat (limited to 'plugins-scripts/check_mailq.pl')
| -rwxr-xr-x | plugins-scripts/check_mailq.pl | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/plugins-scripts/check_mailq.pl b/plugins-scripts/check_mailq.pl new file mode 100755 index 00000000..901209b8 --- /dev/null +++ b/plugins-scripts/check_mailq.pl @@ -0,0 +1,179 @@ +#!/usr/local/bin/perl -w + +# check_mailq - check to see how many messages are in the smtp queue awating +# transmittal. +# +# Initial version support sendmail's mailq command + +# License Information: +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +# +############################################################################ + +use POSIX; +use strict; +use Getopt::Long; +use vars qw($opt_V $opt_h $opt_v $verbose $PROGNAME $opt_w $opt_c $opt_t $status $state $msg $msg_q ); +use lib utils.pm; +use utils qw(%ERRORS &print_revision &support &usage ); + +#my $MAILQ = "/usr/bin/mailq"; # need to migrate support to utils.pm and autoconf + + +sub print_help (); +sub print_usage (); +sub process_arguments (); + +$ENV{'PATH'}=''; +$ENV{'BASH_ENV'}=''; +$ENV{'ENV'}=''; +$PROGNAME = "check_mailq"; + +Getopt::Long::Configure('bundling'); +$status = process_arguments(); +if ($status){ + print "ERROR: processing arguments\n"; + exit $ERRORS{"UNKNOWN"}; +} + +$SIG{'ALRM'} = sub { + print ("ERROR: timed out waiting for $utils::PATH_TO_MAILQ \n"); + exit $ERRORS{"WARNING"}; +}; +alarm($opt_t); + +## open mailq +if ( defined $utils::PATH_TO_MAILQ && -x $utils::PATH_TO_MAILQ ) { + if (! open (MAILQ, "$utils::PATH_TO_MAILQ | " ) ) { + print "ERROR: could not open $utils::PATH_TO_MAILQ \n"; + exit $ERRORS{'UNKNOWN'}; + } +}else{ + print "ERROR: Could not find mailq executable!\n"; + exit $ERRORS{'UNKNOWN'}; +} + +# only first line is relevant in this iteration. +while (<MAILQ>) { + if (/mqueue/) { + print "$utils::PATH_TO_MAILQ = $_ "if $verbose ; + if (/empty/ ) { + $msg = "OK: mailq is empty"; + $msg_q = 0; + $state = $ERRORS{'OK'}; + }elsif ( /(\d+)/ ) { + $msg_q = $1 ; + + print "msg_q = $msg_q warn=$opt_w crit=$opt_c\n" if $verbose; + + if ($msg_q < $opt_w) { + $msg = "OK: mailq ($msg_q) is below threshold ($opt_w/$opt_c)"; + $state = $ERRORS{'OK'}; + }elsif ($msg_q >= $opt_w && $msg_q < $opt_c) { + $msg = "WARNING: mailq is $msg_q (threshold w = $opt_w)"; + $state = $ERRORS{'WARNING'}; + }else { + $msg = "CRITICAL: mailq is $msg_q (threshold c = $opt_c)"; + $state = $ERRORS{'CRITICAL'}; + } + + } + + last; + } + +} + +close (MAILQ); +# declare an error if we also get a non-zero return code from mailq +# unless already set to critical +if ( $? ) { + print "stderr = $? : $! \n" if $verbose; + $state = $state == $ERRORS{"CRITICAL"} ? $ERRORS{"CRITICAL"} : $ERRORS{"UNKNOWN"} ; + print "MAILQ error: $!\n" if $verbose; +} +## close mailq + +# Perfdata support +print "$msg | mailq = $msg_q\n"; +exit $state; + + +##################################### +#### subs + + +sub process_arguments(){ + GetOptions + ("V" => \$opt_V, "version" => \$opt_V, + "v" => \$opt_v, "verbose" => \$opt_v, + "h" => \$opt_h, "help" => \$opt_h, + "w=i" => \$opt_w, "warning=i" => \$opt_w, # warning if above this number + "c=i" => \$opt_c, "critical=i" => \$opt_c, # critical if above this number + "t=i" => \$opt_t, "timeout=i" => \$opt_t + ); + + if ($opt_V) { + print_revision($PROGNAME,'$Revision$ '); + exit $ERRORS{'OK'}; + } + + if ($opt_h) { + print_help(); + exit $ERRORS{'OK'}; + } + + if (defined $opt_v ){ + $verbose = $opt_v; + } + + unless (defined $opt_t) { + $opt_t = $utils::TIMEOUT ; # default timeout + } + + unless ( defined $opt_w && defined $opt_c ) { + print_usage(); + exit $ERRORS{'UNKNOWN'}; + } + + if ( $opt_w >= $opt_c) { + print "Warning cannot be greater than Critical!\n"; + exit $ERRORS{'UNKNOWN'}; + } + + return $ERRORS{'OK'}; +} + +sub print_usage () { + print "Usage: $PROGNAME [-w <warn>] [-c <crit>] [-t <timeout>] [-v verbose]\n"; +} + +sub print_help () { + print_revision($PROGNAME,'$Revision$'); + print "Copyright (c) 2002 Subhendu Ghosh\n"; + print "\n"; + print_usage(); + print "\n"; + print " Checks the number of messages in the mail queue\n"; + print " Feedback/patches to support non-sendmail mailqueue welcome\n\n"; + print "-w (--warning) = Min. number of messages in queue to generate warning\n"; + print "-c (--critical) = Min. number of messages in queu to generate critical alert ( w < c )\n"; + print "-t (--timeout) = Plugin timeout in seconds (default = $utils::TIMEOUT)\n"; + print "-h (--help)\n"; + print "-V (--version)\n"; + print "-v (--verbose) = deebugging output\n"; + print "\n\n"; + support(); +} |