[checkmk-commits] #2720 nullmailer_mailq: New check for monitoring the outgoing mail queue of Nullmailer

Module: check_mk Branch: master Commit: bd01cab593b7aecf7b7956de4d50729821bd4c39 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=bd01cab593b7ae… Author: Lars Michelsen &lt;lm(a)mathias-kettner.de&gt; Date: Mon Nov 2 10:59:49 2015 +0100 #2720 nullmailer_mailq: New check for monitoring the outgoing mail queue of Nullmailer This check monitors the number of mails in the deferred / outgoing mail queue of the Nullmailer daemon. --- .werks/2720 | 10 ++++++ ChangeLog | 1 + agents/check_mk_agent.linux | 12 +++++-- checkman/nullmailer_mailq | 22 ++++++++++++ checks/nullmailer_mailq | 79 +++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 122 insertions(+), 2 deletions(-) diff --git a/.werks/2720 b/.werks/2720 new file mode 100644 index 0000000..6184753 --- /dev/null +++ b/.werks/2720 @@ -0,0 +1,10 @@ +Title: nullmailer_mailq: New check for monitoring the outgoing mail queue of Nullmailer +Level: 1 +Component: checks +Compatible: compat +Version: 1.2.7i4 +Date: 1446458345 +Class: feature + +This check monitors the number of mails in the deferred / outgoing mail queue of +the Nullmailer daemon. diff --git a/ChangeLog b/ChangeLog index f9e481b..feb388e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -18,6 +18,7 @@ NOTE: Please refer to the migration notes! * 2441 NetApp 7Mode: Now able to monitor reserved snapshot space for volumes * 2444 lnx_if: now able to detect interfaces which "break" during runtime... + * 2720 nullmailer_mailq: New check for monitoring the outgoing mail queue of Nullmailer... * 2660 FIX: fixed windows agent using the wrong working directory... * 2664 FIX: ps: Speedup in situation with many matching processes... * 2661 FIX: windows agent: fixed incomplete process list... diff --git a/agents/check_mk_agent.linux b/agents/check_mk_agent.linux index d8f2488..84071c8 100755 --- a/agents/check_mk_agent.linux +++ b/agents/check_mk_agent.linux @@ -507,8 +507,7 @@ if type cl_status > /dev/null 2>&1; then fi # Postfix mailqueue monitoring -# -# we determine the number of mails and their size in several postfix mail queues +# Determine the number of mails and their size in several postfix mail queues if type postconf >/dev/null ; then postfix_queue_dir=$(postconf -h queue_directory 2>/dev/null) @@ -533,6 +532,15 @@ then qmail-qstat fi +# Nullmailer queue monitoring +if type nullmailer-send >/dev/null && [ -d /var/spool/nullmailer/queue ] +then + echo '<<<nullmailer_mailq>>>' + COUNT=$(find /var/spool/nullmailer/queue -type f | wc -l) + SIZE=$(du -s /var/spool/nullmailer/queue | awk '{print $1 }') + echo "$SIZE $COUNT" +fi + # Check status of OMD sites and Check_MK Notification spooler if type omd >/dev/null then diff --git a/checkman/nullmailer_mailq b/checkman/nullmailer_mailq new file mode 100644 index 0000000..a88fb22 --- /dev/null +++ b/checkman/nullmailer_mailq @@ -0,0 +1,22 @@ +title: Length of the nullmailer mailqueue +agents: linux +catalog: app/nullmailer +license: GPL +distribution: check_mk +description: + + This check monitors the number of deferred mails in the outgoing mail + queue, as sent by the linux agent of Check_MK. + + This check creates one service per host which represents the state + of the outgoing mailqueue. + + The check will result in WARNING/CRITICAL states when the number of items + in the queues have reached the defined thresholds. + +perfdata: + Two variables for each queue: the number of messages and the + total size of the messages in the queue in bytes. + +inventory: + On each system which provides the {nullmailer-send} command one service is created. diff --git a/checks/nullmailer_mailq b/checks/nullmailer_mailq new file mode 100644 index 0000000..7c9f5b2 --- /dev/null +++ b/checks/nullmailer_mailq @@ -0,0 +1,79 @@ +#!/usr/bin/python +# -*- encoding: utf-8; py-indent-offset: 4 -*- +# +------------------------------------------------------------------+ +# | ____ _ _ __ __ _ __ | +# | / ___| |__ ___ ___| | __ | \/ | |/ / | +# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / | +# | | |___| | | | __/ (__| < | | | | . \ | +# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ | +# | | +# | Copyright Mathias Kettner 2014 mk(a)mathias-kettner.de | +# +------------------------------------------------------------------+ +# +# This file is part of Check_MK. +# The official homepage is at http://mathias-kettner.de/check_mk. +# +# check_mk 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 in version 2. check_mk is distributed +# in the hope that it will be useful, but WITHOUT ANY WARRANTY; with- +# out even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. See the GNU General Public License for more de- +# ails. You should have received a copy of the GNU General Public +# License along with GNU Make; see the file COPYING. If not, write +# to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, +# Boston, MA 02110-1301 USA. + +# Example agent output: +# <<<nullmailer_mailq>>> +# 8 1 + +factory_settings['nullmailer_mailq_default_levels'] = { + "deferred" : (10, 20), +} + +def inventory_nullmailer_mailq(info): + return [(None, {})] + +def check_nullmailer_mailq(_no_item, params, info): + if type(params) != dict: + params = { + "deferred" : params, + } + + if not info: + return + + warn, crit = params["deferred"] + size_bytes, length = map(int, info[0]) + + state = 0 + output = "" + perfdata = [ ("length", length), ("size", size_bytes) ] + + if length == 0: + output = "Mailqueue is empty" + else: + output = "Mailqueue length is %d" % length + + if length >= crit: + state = 2 + elif length >= warn: + state = 1 + if state: + output += " (warn/crit at %d/%d)" % (warn, crit) + + if length != 0: + output += " having a size of %s" % \ + (get_bytes_human_readable(size_bytes)) + + return state, output, perfdata + +check_info["nullmailer_mailq"] = { + 'check_function' : check_nullmailer_mailq, + 'inventory_function' : inventory_nullmailer_mailq, + 'service_description' : 'Nullmailer Queue', + 'default_levels_variable' : 'nullmailer_mailq_default_levels', + 'group' : 'mailqueue_length', + 'has_perfdata' : True, +}