check_mk之Parents和statusmap_image
近日在改造老的nagios 监控方式，原有的nrpe和snmp方式的监控不变，新的主机以check_mk的方式进行监控。由于之前做过相关的搭建，在功能新增上基本上没遇到什么瓶颈。不过还是遇到了三个小问题，这里做下总结。
问题一、Parents 父节点绘图问题
现新建立的KVM虚拟主机的父节点都是物理服务器，但物理服务器之前是由nrpe的方式进行监控的。新增的虚拟以check_mk wato方式增加时，输入父节点时会报警告
1Warning: This host has an invalid configuration!
2You defined the non-existing host 'xxx.37.194.xx' as a parent.
如下图所示：
通过scan for parents也找不到可用的父节点。如果增加时不选择父节点 。在nagios的map上查看时，发现其是一个根节点（this is a root host ）。显然这在实际的网络结构中不对。通过查看官网资料
https://mathias-kettner.de/checkmk_parents.html
发现解决方法如下
方法1、不管警告信息，直接按wato的各项填写完成后save & Finish 。虽然告警，但在nagios map上查看到的结果是正常的。
方法2、修改/usr/local/nagios/etc/hosts/check_mk_objects.cfg 文件（具体根据自己nagios的编译位置查找），打开该文件后，发现其配置方式和nrpe配置里的配置方式相同。在define host里增加parents 项并重启nagios 即可。
注：该方法缺陷比较大，该文件头上有提示Created by Check_MK. Do not edit. 每次在check_mk的配置界面上更改配置并change active后，新加的配置又没了。所以该方法不推荐用。
方法3、参照官方文档，更改/etc/check_mk/conf.d/wato/hosts.mk文件，按check_mk官网格式添加配置，并cmk -O生效 。不过该方法同样会出现方法2中的问题。
方法4、在/etc/check_mk/conf.d/wato/中新建一个.mk文件，名字随意取。将配置写到该文件中，完成后cmk -O生效。无论在web界面上如何更改，也不会修改该配置中的内容。
问题二、statusmap_image图标问题
该问题也是nagios map上的小问题，按上面的方法增加好host并配置好parent后，默认显示的图标是个问号 。web界面上又找不到配置图标的地方。使用问题一 中的方法2和方法3肯定一样不行。同样，按照问题一中的方法4，新增一个配置文件，增加如下内容：
1# cat statusmap.mk
2extra_host_conf['statusmap_image'] = [
3 ( 'linux40.gd2', ['prod', ], ALL_HOSTS ),
4]
这里是以tag组的方式添加的，也可以以host的方式添加，具体看上面checkmk_parents文档里的语法就行了。该问题的解决方法，参考以下页面。
http://www.monitoring-portal.org/wbb/index.php?page=Thread&threadID=30166
问题三、网卡流量检测出图异常
该问题在之前版本中的check_mk中没遇到，目前使用Check_MK 1.2.4 (stable) 安装后，其他插件出图正常。报错内容为：
1unknow function 'PERCENTNAN' in VDEF outper
问题原因：新的check_mk pnp4nagios模板文件写的有问题。使用以前旧的模板文件即可。
解决方法：在/usr/local/pnp4nagios/share/templates 模板中，将check_mk-lnx_if.php文件（即check_mk-if.php文件，ln软链的）的内容更改为以下内容。
1<?php # +------------------------------------------------------------------+
2# | ____ _ _ __ __ _ __ |
3# | / ___| |__ ___ ___| | __ | / | |/ / |
4# | | | | '_ / _ / __| |/ / | |/| | ' / |
5# | | |___| | | | __/ (__| < | | | | . |
6# | ____|_| |_|___|___|_|____|_| |_|_|_ |
7# | |
8# | Copyright Mathias Kettner 2013 mk@mathias-kettner.de |
9# +------------------------------------------------------------------+
10#
11# This file is part of Check_MK.
12# The official homepage is at http://mathias-kettner.de/check_mk.
13#
14# check_mk is free software; you can redistribute it and/or modify it
15# under the terms of the GNU General Public License as published by
16# the Free Software Foundation in version 2. check_mk is distributed
17# in the hope that it will be useful, but WITHOUT ANY WARRANTY; with-
18# out even the implied warranty of MERCHANTABILITY or FITNESS FOR A
19# PARTICULAR PURPOSE. See the GNU General Public License for more de-
20# ails. You should have received a copy of the GNU General Public
21# License along with GNU Make; see the file COPYING. If not, write
22# to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
23# Boston, MA 02110-1301 USA.
24setlocale(LC_ALL, 'C');
25# Performance data from check:
26# in=6864.39071505;0.01;0.1;0;125000000.0
27# inucast=48.496962273;0.01;0.1;;
28# innucast=4.60122981717;0.01;0.1;;
29# indisc=0.0;0.01;0.1;;
30# inerr=0.0;0.01;0.1;;
31# out=12448.259172;0.01;0.1;0;125000000.0
32# outucast=54.9846963152;0.01;0.1;;
33# outnucast=10.5828285795;0.01;0.1;;
34# outdisc=0.0;0.01;0.1;;
35# outerr=0.0;0.01;0.1;;
36# outqlen=0;;;;10000000
37# Graph 1: used bandwidth
38# Determine if Bit or Byte.
39# Change multiplier and labels
40$unit = "B";
41$unit_multiplier = 1;
42$vertical_label_name = "MByte/sec";
43if (strcmp($MIN[11], "0.0") == 0) {
44 $unit = "Bit";
45 $unit_multiplier = 8;
46 $vertical_label_name = "MBit/sec";
47}
48$bandwidth = $MAX[1] * $unit_multiplier;
49$warn = $WARN[1] * $unit_multiplier;
50$crit = $CRIT[1] * $unit_multiplier;
51# Horizontal lines
52$mega = 1024.0 * 1024.0;
53$mBandwidthH = $bandwidth / $mega;
54$mWarnH = $warn / $mega;
55$mCritH = $crit / $mega;
56# Break down bandwidth, warn and crit
57$bwuom = ' ';
58$base = 1000;
59if($bandwidth ?> $base * $base * $base) {
60 $warn /= $base * $base * $base;
61 $crit /= $base * $base * $base;
62 $bandwidth /= $base * $base * $base;
63 $bwuom = 'G';
64} elseif ($bandwidth > $base * $base) {
65 $warn /= $base * $base;
66 $crit /= $base * $base;
67 $bandwidth /= $base * $base;
68 $bwuom = 'M';
69} elseif ($bandwidth > $base) {
70 $warn /= $base;
71 $crit /= $base;
72 $bandwidth /= $base;
73 $bwuom = 'k';
74}
75if ($mBandwidthH 0){
76 $bandwidthInfo = " at bandwidth ${bwuom}${unit}/s";
77}
78$ds_name[1] = 'Used bandwidth';
79$opt[1] = "--vertical-label "$vertical_label_name" -l -$range -u $range -X0 -b 1024 --title "Used bandwidth $hostname / $servicedesc $bandwidthInfo" ";
80$def[1] =
81 "HRULE:0#c0c0c0 ";
82 if ($mBandwidthH)
83 $def[1] .= "HRULE:$mBandwidthH#808080:"Port speed: " . sprintf("%.1f", $bandwidth) . " ".$bwuom."$unit/s\n" ".
84 "HRULE:-$mBandwidthH#808080: ";
85 if ($warn)
86 $def[1] .= "HRULE:$mWarnH#ffff00:"Warning: " . sprintf("%6.1f", $warn) . " ".$bwuom."$unit/s\n" ".
87 "HRULE:-$mWarnH#ffff00: ";
88 if ($crit)
89 $def[1] .= "HRULE:$mCritH#ff0000:"Critical: " . sprintf("%6.1f", $crit) . " ".$bwuom."$unit/s\n" ".
90 "HRULE:-$mCritH#ff0000: ";
91 $def[1] .= "DEF:inbytes=$RRDFILE[1]:$DS[1]:MAX ".
92 "DEF:outbytes=$RRDFILE[6]:$DS[6]:MAX ".
93 "CDEF:intraffic=inbytes,$unit_multiplier,* ".
94 "CDEF:outtraffic=outbytes,$unit_multiplier,* ".
95 "CDEF:inmb=intraffic,1048576,/ ".
96 "CDEF:outmb=outtraffic,1048576,/ ".
97 "CDEF:minusoutmb=0,outmb,- ".
98 "AREA:inmb#00e060:"in " ".
99 "GPRINT:intraffic:LAST:"%6.1lf %s$unit/s last" ".
100 "GPRINT:intraffic:AVERAGE:"%6.1lf %s$unit/s avg" ".
101 "GPRINT:intraffic:MAX:"%6.1lf %s$unit/s max\n" ".
102 "AREA:minusoutmb#0080e0:"out " ".
103 "GPRINT:outtraffic:LAST:"%6.1lf %s$unit/s last" ".
104 "GPRINT:outtraffic:AVERAGE:"%6.1lf %s$unit/s avg" ".
105 "GPRINT:outtraffic:MAX:"%6.1lf %s$unit/s max\n" ";
106if (isset($DS[12])) {
107 $def[1] .=
108 "DEF:inbytesa=$RRDFILE[12]:$DS[12]:MAX ".
109 "DEF:outbytesa=$RRDFILE[13]:$DS[13]:MAX ".
110 "CDEF:intraffica=inbytesa,$unit_multiplier,* ".
111 "CDEF:outtraffica=outbytesa,$unit_multiplier,* ".
112 "CDEF:inmba=intraffica,1048576,/ ".
113 "CDEF:outmba=outtraffica,1048576,/ ".
114 "CDEF:minusoutmba=0,outmba,- ".
115 "LINE:inmba#00a060:"in (avg) " ".
116 "GPRINT:intraffica:LAST:"%6.1lf %s$unit/s last" ".
117 "GPRINT:intraffica:AVERAGE:"%6.1lf %s$unit/s avg" ".
118 "GPRINT:intraffica:MAX:"%6.1lf %s$unit/s max\n" ".
119 "LINE:minusoutmba#0060c0:"out (avg) " ".
120 "GPRINT:outtraffica:LAST:"%6.1lf %s$unit/s last" ".
121 "GPRINT:outtraffica:AVERAGE:"%6.1lf %s$unit/s avg" ".
122 "GPRINT:outtraffica:MAX:"%6.1lf %s$unit/s max\n" ";
123}
124# Graph 2: packets
125$ds_name[2] = 'Packets';
126$opt[2] = "--vertical-label "packets/sec" --title "Packets $hostname / $servicedesc" ";
127$def[2] =
128 "HRULE:0#c0c0c0 ".
129 "DEF:inu=$RRDFILE[2]:$DS[2]:MAX ".
130 "DEF:innu=$RRDFILE[3]:$DS[3]:MAX ".
131 "AREA:inu#00ffc0:"in unicast " ".
132 "GPRINT:inu:LAST:"%7.2lf/s last " ".
133 "GPRINT:inu:AVERAGE:"%7.2lf/s avg " ".
134 "GPRINT:inu:MAX:"%7.2lf/s max\n" ".
135 "AREA:innu#00c080:"in broadcast/multicast ":STACK ".
136 "GPRINT:innu:LAST:"%7.2lf/s last " ".
137 "GPRINT:innu:AVERAGE:"%7.2lf/s avg " ".
138 "GPRINT:innu:MAX:"%7.2lf/s max\n" ".
139 "DEF:outu=$RRDFILE[7]:$DS[7]:MAX ".
140 "DEF:outnu=$RRDFILE[8]:$DS[8]:MAX ".
141 "CDEF:minusoutu=0,outu,- ".
142 "CDEF:minusoutnu=0,outnu,- ".
143 "AREA:minusoutu#00c0ff:"out unicast " ".
144 "GPRINT:outu:LAST:"%7.2lf/s last " ".
145 "GPRINT:outu:AVERAGE:"%7.2lf/s avg " ".
146 "GPRINT:outu:MAX:"%7.2lf/s max\n" ".
147 "AREA:minusoutnu#0080c0:"out broadcast/multicast ":STACK ".
148 "GPRINT:outnu:LAST:"%7.2lf/s last " ".
149 "GPRINT:outnu:AVERAGE:"%7.2lf/s avg " ".
150 "GPRINT:outnu:MAX:"%7.2lf/s max\n" ";
151# Graph 3: errors and discards
152$ds_name[3] = 'Errors and discards';
153$opt[3] = "--vertical-label "packets/sec" -X0 --title "Problems $hostname / $servicedesc" ";
154$def[3] =
155 "HRULE:0#c0c0c0 ".
156 "DEF:inerr=$RRDFILE[5]:$DS[5]:MAX ".
157 "DEF:indisc=$RRDFILE[4]:$DS[4]:MAX ".
158 "AREA:inerr#ff0000:"in errors " ".
159 "GPRINT:inerr:LAST:"%7.2lf/s last " ".
160 "GPRINT:inerr:AVERAGE:"%7.2lf/s avg " ".
161 "GPRINT:inerr:MAX:"%7.2lf/s max\n" ".
162 "AREA:indisc#ff8000:"in discards ":STACK ".
163 "GPRINT:indisc:LAST:"%7.2lf/s last " ".
164 "GPRINT:indisc:AVERAGE:"%7.2lf/s avg " ".
165 "GPRINT:indisc:MAX:"%7.2lf/s max\n" ".
166 "DEF:outerr=$RRDFILE[10]:$DS[10]:MAX ".
167 "DEF:outdisc=$RRDFILE[9]:$DS[9]:MAX ".
168 "CDEF:minusouterr=0,outerr,- ".
169 "CDEF:minusoutdisc=0,outdisc,- ".
170 "AREA:minusouterr#ff0080:"out errors " ".
171 "GPRINT:outerr:LAST:"%7.2lf/s last " ".
172 "GPRINT:outerr:AVERAGE:"%7.2lf/s avg " ".
173 "GPRINT:outerr:MAX:"%7.2lf/s max\n" ".
174 "AREA:minusoutdisc#ff8080:"out discards ":STACK ".
175 "GPRINT:outdisc:LAST:"%7.2lf/s last " ".
176 "GPRINT:outdisc:AVERAGE:"%7.2lf/s avg " ".
177 "GPRINT:outdisc:MAX:"%7.2lf/s max\n" ";
178?>
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- Author: shisekong
- Link: https://blog.361way.com/check_mk-map-question/2993.html
- License: This work is under a 知识共享署名-非商业性使用-禁止演绎 4.0 国际许可协议. Kindly fulfill the requirements of the aforementioned License when adapting or creating a derivative of this work.