[smokeping-users] New User and Trying to setup a Master/Slave topology

[Nicolas MICHEL]

Hey guys.

Thanks for your help.


Staticsafe your hints did the trick. I can now see trafic from my slave 
to my properly configured targets.
But there is one more problem, I cannot see the graphs and I guess 
there is something wrong in some apache files/directory as this old 
email states:

http://comments.gmane.org/gmane.network.smokeping.user/5043


I am currently searching for a solution to my problem but my lack of 
Linux knowledge is killing me ...
If someone has some insights, that would be great !

Thanks a lot to all of you !

Nicolas








Le Thursday, April 11, 2013 8:07:54 PM, staticsafe a écrit :
> On 4/11/2013 3:29, Trash NMICHEL wrote:
>> Hi and thanks for your insights :!
>>
>> Here is what I did :
>>
>> ****** MASTER*******
>>
>>
>> root at ubuntu:/home/nml# ls -lua /etc/smokeping/
>> total 44
>> drwxr-xr-x  3 root      root      4096 Apr 11 09:05 .
>> drwxr-xr-x 86 root      root      4096 Apr 11 09:04 ..
>> -rw-r--r--  1 root      root       191 Apr 10 22:33 apache2.conf
>> -rw-r--r--  1 root      root      2031 Apr 10 22:36 basepage.html
>> -rw-r--r--  1 root      root       290 Apr 10 22:33 config
>> drwxr-xr-x  2 root      root      4096 Apr 11 09:12 config.d
>> -r--------  1 smokeping www-data    19 Apr 11 09:05 slave-secrets
>> -r--------  1 smokeping www-data     5 Apr 11 09:05 slavesecrets.conf
>> -rw-r--r--  1 root      root      1564 Apr 10 22:33 smokemail
>> -rw-r-----  1 smokeping smokeping   59 Apr 10 22:33 smokeping_secrets
>> -rw-r--r--  1 root      root      3815 Apr 10 22:33 tmail
>>
>>
>> root at ubuntu:/home/nml# cat /etc/smokeping/slavesecrets.conf
>> test
>> root at ubuntu:/home/nml# cat /etc/smokeping/slave-secrets
>> ubuntu:test
>>
>> root at ubuntu:/home/nml# cat /etc/smokeping/config.d/Slaves
>> *** Slaves ***
>> secrets=/etc/smokeping/slave-secrets
>> #+boomer
>> #display_name=boomer
>> #color=0000ff
>>
>> #+slave2
>> #display_name=another
>> #color=00ff00
>>
>> +ubuntu
>> display_name=ubuntu
>> color=00ff00
>>
>>
>> root at ubuntu:/home/nml# cat /etc/smokeping/config.d/Targets
>> *** Targets ***
>>
>> probe = FPing
>>
>> menu = Top
>> title = Network Latency Grapher
>> remark = Welcome to the SmokePing website of xxx Company. \
>>           Here you will learn all about the latency of our network.
>>
>> + Local
>>
>> menu = Local
>> title = Local Network
>> #parents = owner:/Test/James location:/
>>
>> ++ LocalMachine
>>
>> menu = Local Machine
>> title = This host
>> host = localhost
>> #alerts = someloss
>>
>>
>> ++ Site1
>>
>> menu = SLAVE
>> title = SLAVE_TITLE
>> host = google.fr
>> slaves = ubuntu
>>
>> root at ubuntu:/home/nml#
>
>> ****** SLAVE*******
>>
>> root at ubuntu:/etc/smokeping# cat /etc/default/smokeping
>> # /etc/default/smokeping: Startup configuration for smokeping(1)
>> #
>> # select master or slave mode
>> MODE=slave
>> # in master mode, the rest of the configuration is in
>> # /etc/smokeping/config
>> #
>> # in slave mode, uncomment and set the following variables too
>> # see smokeping(1)
>> #
>> # Mandatory configuration
>> MASTER_URL=http://172.16.119.236/cgi-bin/smokeping.cgi
>> SHARED_SECRET=/etc/smokeping/slavesecrets.conf
>> #
>> # Optional configuration
>> SLAVE_NAME=ubuntu
>>
>>
>> root at ubuntu:/etc/smokeping# ls -lus
>> total 32
>> 4 -rw-r--r-- 1 root      root       191 Apr 10 22:35 apache2.conf
>> 4 -rw-r--r-- 1 root      root      2031 Apr 10 22:37 basepage.html
>> 4 -rw-r--r-- 1 root      root       290 Apr 10 22:35 config
>> 4 drwxr-xr-x 2 root      root      4096 Apr 10 22:34 config.d
>> 4 -r-------- 1 smokeping root         5 Apr 11 09:17 slavesecrets.conf
>> 4 -rw-r--r-- 1 root      root      1564 Apr 10 22:35 smokemail
>> 4 -rw-r----- 1 smokeping smokeping   59 Apr 10 22:35 smokeping_secrets
>> 4 -rw-r--r-- 1 root      root      3815 Apr 10 22:35 tmail
>> root at ubuntu:/etc/smokeping# cat /etc/smokeping/slavesecrets.conf
>> test
>>
>>
>> When I restart the master, everything goes fine ...
>>
>> When I restart the slave ... it can connect to the master but I get this
>> error :
>> root at ubuntu:/etc/smokeping# /etc/init.d/smokeping restart
>>   * Shutting down latency logger daemon smokeping
>> start-stop-daemon: warning: failed to kill 942: No such process
>>     ...done.
>>   * Starting latency logger daemon smokeping
>> WARNING: Opening secrets file /etc/smokeping/slave-secrets: 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 ?
>>     ...done.
>>
>>
>> I was thinking more about a permission error but then I did this on the
>> MASTER:
>>
>> root at ubuntu:/home/nml# chmod 777 /etc/smokeping/slave-secrets
>>
>> Then the master is not working any more :
>>
>> root at ubuntu:/home/nml# /etc/init.d/smokeping restart
>>   * Shutting down latency logger daemon smokeping
>>     ...done.
>>   * Starting latency logger daemon smokeping
>> ERROR: /etc/smokeping/config.d/Slaves, line 2: File
>> '/etc/smokeping/slave-secrets' is world-readable or writable, refusing it
>>     ...done.
>>
>>
>> Can someone help a Linux noob ? :P
>>
>> Thanks for your help guys
>>
>>
>> Nic
> [..] Snipping due to overly long quoting.
>
> The key error is this:
> ERROR: /etc/smokeping/config.d/Slaves, line 2: File
> '/etc/smokeping/slave-secrets' is world-readable or writable, refusing it
>     ...done.
>
> This is an error on the *Master*, the file needs to be *readable* by the
> smokeping user and the www-data group.
>
> On the master:
>
> $ chown smokeping:www-data /etc/smokeping/slave-secrets
> $ chmod 440 /etc/smokeping/slave-secrets
>
> That should solve the "Permission denied" error from the slave.
>
> Essentially the issue was that the file was only *readable* by the
> smokeping user on the master but not the www-data group as it needs to
> be for the slave to pull the file.
>
> -r--------  1 smokeping www-data    19 Apr 11 09:05 slave-secrets