[hobbit] Hobbit client reporting question

[Adam Scheblein]

Henrik,

I have a working prototype, and have tested it against tru64 and hpux 
and linux.  Unfortunately my c programming skills are not up to snuff, 
so i currently have it done as a shell script.  Where do you want me to 
send it -- to the list?  and also, would you prefer me to do it in C 
rather than shell?

thanks,
Adam

Henrik Stoerner wrote:

>On Thu, Sep 29, 2005 at 01:14:25PM -0500, Scheblein, Adam wrote:
>  
>
>>Basically I want to fold in bb-who into hobbit where you can 
>>say if root is logged in then panic, if foo is logged in then 
>>warn, and then display that on the main page as well as just 
>>a general "who".  We wouldn't really need any graphing, just 
>>a server tweak -- but if I wanted it to happen at the same 
>>frequency as all the other tests where would it be put?
>>    
>>
>
>OK - I've never used that extension, so I hadn't thought about
>using those data like that.
>
>I had a look at bb-who, and it seems to generate a separate
>status column "who" with the output from "who". The color of
>this status then varies, depending on who is logged in.
>
>The way I would implement this for Hobbit would be as a 
>server module that is fed the client data and acts on it.
>
>Try logging in as the hobbit user on your Hobbit server,
>then run "bbcmd hobbitd_channel --channel=client cat".
>Whenever a client sends in an update message about itself,
>you'll have it dumped to stdout (actually, it is read by the
>"cat" utility, which then dumps it to stdout). It looks like this:
>
>hobbit at osiris:~$ bbcmd hobbitd_channel --channel=client cat
>@@client#1201|1128023857.793392|172.16.10.2|osiris.hswn.dk|linux
>client osiris,hswn,dk.linux
>[date]
>Thu Sep 29 21:57:26 CEST 2005
>[uname]
>Linux osiris.hswn.dk 2.6.7 #2 Wed Jun 16 22:25:25 CEST 2004 i686
>GNU/Linux
>[uptime]
> 21:57:26 up 247 days, 23:10,  0 users,  load average: 0.00, 0.14, 0.21
>[who]
>henrik   :0           Sep 25 07:54
>henrik   :0           Sep 25 07:54
>... lots more lines ...
>@@
>
>So the client messages go from the "@@client..." line until the
>"@@" line, and inside that is the section beginning with "[who]".
>
>What you need to do is write a program that receives these messages,
>picks out the hostname from the fourth field in the "@@client..."
>line, and then grabs the data from the "[who]" section of the client
>message. You can then use these to build a status message, and send
>it off to Hobbit as a new status column. For debugging you can run it
>by hand; when it works, you just add a new section in hobbitlaunch.cfg
>for this new module.
>
>I don't know what your favourite programming language is - IF you want
>to implement this as a C program, there's a skeleton module included
>with Hobbit in the hobbitd/hobbitd_sample.c file, which has all of the
>necessary stuff to pick up a message, split up the "@@client..." line
>into fields, and generally lets you concentrate on what you want to
>do with the data.
>
>If you'd rather implement this in Perl, Python or some other language -
>fine, then you'll just have to write that bit of code to fetch a single
>message from stdin and process it.
>
>
>Regards,
>Henrik
>
>
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>hobbit-unsubscribe at hswn.dk
>
>
>  
>

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