SmokePing之配置文件config詳解

原文鏈接：http://blog.chinaunix.net/uid-23886490-id-3135554.html

SmokePing之配置文件config詳解 2012-03-16 11:57:15

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原文地址：SmokePing之配置文件config詳解作者：kevinadmin

SmokePing之配置文件config詳解

這個配置文件不管在Linux下面還是在BSD下面是一致的。

如下解說：

整個config文件裏面只有#是註釋

第一部分 General 屬於基本配置。值得注意的地方有imgcache和imgurl這兩個參數，要注意一下，和apache配置相關聯，如果配置不好的話，打開web的時候圖片會顯示不出來。

*** General ***

owner    = Kevin Deng
contact = [email protected]
mailhost = smtp.sohu.com
sendmail = /usr/sbin/sendmail
# NOTE: do not put the Image Cache below cgi-bin
# since all files under cgi-bin will be executed ... this is not
# good for images.
imgcache = /usr/local/smokeping/htdocs/img
imgurl   = img
datadir = /usr/local/var/smokeping
piddir = /usr/local/var/smokeping
cgiurl   = http://192.168.0.206/smokeping/smokeping.cgi
smokemail = /usr/local/etc/smokeping/smokemail
tmail = /usr/local/etc/smokeping/tmail
# specify this to get syslog logging
syslogfacility = local0
# each probe is now run in its own process
# disable this to revert to the old behaviour
# concurrentprobes = no

第二部分Alerts 是屬於報警配置，這個我還沒有測試過。以後再說

*** Alerts ***
to = [email protected]
from = [email protected]

+someloss
type = loss
# in percent
#pattern = >0%,*12*,>0%,*12*,>0%
#comment = loss 3 times in a row
pattern = ==S,>0%,>0%,>0%
comment = loss at startup

+rttdetect
type = rtt
# in milli seconds
pattern = <10,<10,<10,<10,<10,<100,>100,>100,>100
comment = routing mesed up again ?

第三部分 Database RRD數據庫配置。step和pings這兩個參數要在啓動smokeping之前配置好，如果在smokeping啓動後再配置這兩個參數，需要把原來的rrd文件都刪除，然後再啓動smokeping纔可以。所以這個一定要先配置好。默認是step=300 pings=20 應該是每300s內執行20次ping的動作

*** Database ***

step = 300
pings = 60

# consfn mrhb steps total

AVERAGE 0.5   1 1008
AVERAGE 0.5 12 4320
    MIN 0.5 12 4320
    MAX 0.5 12 4320
AVERAGE 0.5 144   720
    MAX 0.5 144   720
    MIN 0.5 144   720

第四部分Presentation 是關於網絡狀態的一些配置和解釋，基本不需要更改

*** Presentation ***

template = /usr/local/etc/smokeping/basepage.html

charset = gb2312

+ charts

menu = Charts
title = The most interesting destinations

++ stddev
sorter = StdDev(entries=>4)
title = Top Standard Deviation
menu = Std Deviation
format = Standard Deviation %f

++ max
sorter = Max(entries=>5)
title = Top Max Roundtrip Time
menu = by Max
format = Max Roundtrip Time %f seconds

++ loss
sorter = Loss(entries=>5)
title = Top Packet Loss
menu = Loss
format = Packets Lost %f

++ median
sorter = Median(entries=>5)
title = Top Median Roundtrip Time
menu = by Median
format = Median RTT %f seconds

下面的overview和detail裏面是圖片大小設置，可以按需來設置

+ overview

width = 800
height = 50
range = 10h

+ detail

width = 800
height = 200

unison_tolerance = 2

"Last 3 Hours"    3h
"Last 30 Hours"   30h
"Last 10 Days"    10d
"Last 400 Days"   400d

+ hierarchies

++ owner
title = Host Owner

++ location
title = Location

第五部分Porbes 指針配置，我們一般只用到fping所以就只要以下配置就可以了，確定路徑是否正確，這裏還可以設置fping包的大小，參數是packetsize

*** Probes ***

+ FPing

binary = /usr/local/sbin/fping
packetsize = 2000

第六分部Slaves 主從關係裏面的從服務器相關配置，smokeping裏面從服務器只需要安裝好就可以了，不需要配置，smokeping的所有配置都是在master上面設置。這裏主要設置好secrets密碼文件和從服務器配置就可以了。下面我配置了兩個從服務器。一個是st，一個是fy

*** Slaves ***
#secrets=/home/oetiker/checkouts/smokeping/trunk/software/etc/smokeping_secrets.dist
secrets = /usr/local/etc/smokeping/slavesecrets.conf
#+boomer
#display_name=boomer
#color=0000ff
#location = HuaDong

+ st
display_name = ShanTou Monitor
color = 0000ff
#location = HuanDong

+ fy
display_name = FuYong
color = 00ff00

#++ override
#Probes.FPing.binary = /usr/bin/fping

第七部分 Targets 目標配置。在這裏可以單獨配置一臺服務器的監控情況，需要從slave服務器上取值的配置也是在這裏配置。我已經用註釋說明的很清楚了。

這裏要注意一下。+代表一級菜單 +下面的++是繼承上面的+成爲二級菜單。而且可以有多個一級菜單和二級菜單。

*** Targets ***

probe = FPing

menu = Top
title = Network Latency Grapher
remark = Welcome to the SmokePing website of ShenZhen Wang Yu Company. \
Here you will learn all about the latency of our network.

####### Slaves Configure ###########

+ Slaves
menu = Slaves
title = All of the Monitor From the Slaves

++ ShanTou
menu = ShanTou
title = Host 192.168.0.208 Monitor From Slaves
slaves = st fy
host = 192.168.0.208

++ FuYong
menu = FuYong
title = Host 192.168.0.210 Monitor From Slaves
slaves = fy st

host = 192.168.0.210

######## Single Hosts Monitor Configure ########

+ Hosts
menu = Single
#parents = owner:/Test/James location:/
#title = Host in Test
title = Single Host Monitor

#++ James

#menu = James
#title =James
#alerts = someloss
#slaves = boomer slave2
#host = 192.168.0.205

++ QQ

menu = QQ
title = www.qq.com
host = www.qq.com

++ MFS-Monitor

menu = MFS-Monitor
title = Monitor
host = 192.168.0.210

++ TaiWan

menu = TaiWan-Server
title = 229.84.216.201
host = 229.84.216.201

+ Monitor

menu = Monitor Servers
title = Monitor Server Hosts

++ ShenZhen

menu = ShenZhen
title = SZ-Cacti
host = 192.168.0.208

############# MultiHost Monitor In One Graph Configure #####
+ MultiHost

menu = Multihost
#title = James and James as seen from Boomer
title = All Host In One Graph
host = /Hosts/QQ /Hosts/MFS-Monitor /Hosts/TaiWan

主/從做分佈式監控的時候有幾點需要注意

1.主從服務器上面的密碼文件權限必須爲600 而且主服務器上面的密碼文件的屬主必須爲apache的啓動用戶

2.從服務器上面的密碼文件只需要一個密碼就行，也就是主上面爲它配置的那個密碼。同樣從服務器上面的密碼文件的屬主必須爲smokeping的啓動用戶

下面是主/從做分佈式監控時我碰到的問題，及解決辦法。寫了一個簡單的FQA

Q:Slave啓動的時候報錯。
[root@Nagios etc]# /usr/local/smokeping/bin/smokeping --master-url=http://192.168.0.206/smokeping/smokeping.cgi --cache-dir=/usr/local/smokeping/var/ --shared-secret=/usr/local/smokeping/etc/smokeping_secrets --slave-name=ShenZhen
WARNING: Opening secrets file /usr/local/etc/smokeping/slavesecrets.conf: Permission denied

ERROR: we did not get config from the master. Maybe we are not configured as a slave for any of the targets on the master ?

在master上面對slavesecrets.conf文件執行如下命令：
chow smokeping slavesecrets.conf

Q:
[root@Nagios etc]# /usr/local/smokeping/bin/smokeping --master-url=http://192.168.0.206/smokeping/smokeping.cgi --cache-dir=/usr/local/smokeping/var/ --shared-secret=/usr/local/smokeping/etc/smokeping_secrets --slave-name=ShenZhen
WARNING: Data from ShenZhen was signed with 58e8b1b17440aa40fac67161b8c7a328 which does not match our expectation

ERROR: we did not get config from the master. Maybe we are not configured as a slave for any of the targets on the master ?

A:
這個錯誤就是本地的密碼文件配置錯誤，本地密碼文件只保存master上面配置你這臺slave的密碼，只需要一個密碼就可以了

ERROR: we did not get config from the master. Maybe we are not configured as a slave for any of the targets on the master ?

A:
在master上面的密碼文件里加上Nagios.kevinadmin.org及對應的密碼就可以了。

Q:
[root@Nagios etc]# /usr/local/smokeping/bin/smokeping --master-url=http://192.168.0.206/smokeping/smokeping.cgi --cache-dir=/usr/local/smokeping/var/ --shared-secret=/usr/local/smokeping/etc/smokeping_secrets
WARNING: I don't know the slave Nagios.kevinadmin.org ignoring it
ERROR: we did not get config from the master. Maybe we are not configured as a slave for any of the targets on the master ?

這個是指在config文件裏面沒有定義Nagios.kevinadmin.org這個從服務器

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