initial import, version 1.0

CHANGELOG

+# Changes in check_doveadm_replication
+
+# 1.0
+
+* Initial release

LICENSE

+Copyright 2015-2017 Patrick Kirsch patrick.kirsch@olanis.de
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

+This is check_doveadm_replication.sh.
+
+This plugin allows checking the dsync-based replication state of Dovecot
+between a Dovecot server pair (2 nodes).
+
+The original plugin can be found at the following URL:
+https://gist.github.com/patrickkirsch/950d5d184fac6fa854f2
+
+See LICENSE file for licensing information.
+
+Original author:
+(c) 2015-2017 Patrick Kirsch <patrick.kirsch@olanis.de>
+
+Modifications:
+    2017      Andreas Unterkircher <unki@netshadow.net>

check_doveadm_replication.sh

+#!/bin/bash
+#
+# Nagios NRPE wrapper for dovecot replicator status
+#
+# Installation hint:
+#
+# cat > /etc/nagios/nrpe.d/dovecot.cfg <<EOD
+# command[check_doveadm_repli]=/srv/scripte/check_doveadm_replication.sh status
+# command[check_doveadm_repli_json]=/srv/scripte/check_doveadm_replication.sh json
+# EOD
+#
+#
+# Patrick Kirsch patrick.kirsch@olanis.de
+# License: MIT
+
+
+DOVEADM='/usr/bin/doveadm'
+
+PROGNAME=`basename $0`
+VERSION="Version 1.0"
+AUTHOR="Patrick Kirsch"
+
+STATE_OK=0
+STATE_WARNING=1
+STATE_CRITICAL=2
+STATE_UNKNOWN=3
+
+print_version() {
+    echo "$PROGNAME $VERSION $AUTHOR"
+}
+
+print_help() {
+    print_version $PROGNAME $VERSION
+    echo ""
+    echo "$PROGNAME - Checks Dovecot replication status"
+    echo ""
+    echo "$PROGNAME is a Nagios wrapper for showing dovecot replication errors"
+    echo ""
+    echo "Usage:"
+    echo " $PROGNAME -s 	runs doveadm replicator status"
+    echo " $PROGNAME -j 	runs doveadm replicator status and outputs json (useful for comparing replication between hosts at nagios server side)"
+    echo ""
+    exit $STATE_OK
+}
+
+# check for dependencies
+if [ ! -e $DOVEADM ] || [ ! -x $DOVEADM ]; then
+        echo "Doveadm ($DOVEADM) is not present or executeable!"
+        echo "This script heavily depends on it!"
+        echo ""
+        exit $STATE_CRITICAL
+fi
+
+json_output() {
+        #tmpfile="$(mktemp)"
+        tmpfile="/tmp/doveadm"
+
+        $DOVEADM replicator status | sed "s/'//g" > $tmpfile
+
+	perl -e 'use JSON; @in=grep(s/\n$//, <>); %h=map{/(.+?)\s+(\d+)/;$1 => $2} @in; print encode_json(\%h)."\n";' $tmpfile
+	exit $STATE_OK
+
+}
+check_replicator_status() {
+
+        #tmpfile="$(mktemp)"
+        tmpfile="/tmp/doveadm"
+
+        $DOVEADM replicator status | sed "s/'//g" > $tmpfile
+
+        requests=`grep 'requests' $tmpfile | wc -l`
+
+        if [ "$requests" == "0" ]; then
+                echo "UKNOWN - No requests found. Check manual doveadm replicator output!"
+                exit $STATE_UNKNOWN
+        fi
+
+        critical_req_full_resync=`perl -n -e '/full resync requests.+?(\d+)/g && print $1' $tmpfile`
+        critical_req_failed_queue=`perl -n -e '/Queued failed requests.+?(\d+)/g && print $1' $tmpfile`
+        critical_req_failed_waiting=`perl -n -e '/Waiting failed requests.+?(\d+)/g && print $1' $tmpfile`
+
+	ok_known_users=`perl -n -e '/of known users\s+(\d+)/ && print $1' $tmpfile`
+
+        if [ ! -z "$critical_req_full_resync" ]; then
+                echo "CRITICAL - Doveadmin full resync requests: $critical_req_full_resync"
+                exit $STATE_CRITICAL
+        fi
+
+        if [ ! -z "$critical_req_failed_queue" ]; then
+                echo "CRITICAL - Doveadmin queued failed resync requests: $critical_req_failed_queue"
+                exit $STATE_CRITICAL
+        fi
+
+        if [ ! -z "$critical_req_failed_waiting" ]; then
+                echo "CRITICAL - Doveadmin waiting failed requests: $critical_req_failed_waiting"
+                exit $STATE_CRITICAL
+        fi
+
+        echo "OK - doveadm replicator users: $ok_known_users"
+        exit $STATE_OK
+}
+
+# Check for parameters
+while test -n "$1"; do
+    case "$1" in
+    -h)
+      print_help
+      exit $STATE_OK;;
+    -v)
+      print_version
+      exit $STATE_OK;;
+    -s)
+     check_replicator_status
+      ;;
+     status)
+	check_replicator_status
+	;;
+    -j)
+     json_output
+      ;;
+     json)
+	json_output
+      ;;
+  esac
+  shift
+done