[Engine-devel] Small suggestions for engine-log-collector

Keith Robertson kroberts at redhat.com
Tue Mar 11 18:13:08 UTC 2014



----- Original Message -----
> From: "Vojtech Szocs" <vszocs at redhat.com>
> To: "engine-devel" <engine-devel at ovirt.org>
> Cc: "Keith Robertson" <kroberts at redhat.com>, "Einav Cohen" <ecohen at redhat.com>
> Sent: Tuesday, March 11, 2014 1:57:11 PM
> Subject: Small suggestions for engine-log-collector
> 
> Hi guys,
> 
> based on my testing during last week's oVirt 3.4 RC test day [1],
> I have a couple of small suggestions for engine-log-collector:
> 
> 1, in /etc/ovirt-engine/logcollector.conf - I think there's typo:
> 
>       #key-file=/etc/pki/engine/keys/engine_id_rsa
> 
>    should be:
> 
>       #key-file=/etc/pki/ovirt-engine/keys/engine_id_rsa
> 

ACK


> 2, to force password-based ssh auth, one has to do this:
> 

In the normal scenario, the the ovirt user's public key should be installed into each hypervisor.  Unless something has changed as a part of the hypervisor registration process this should be something that we can depend upon.  

Clearly, there are edge cases where you need to collect logs from a hypervisor that isn't properly registered with the RHEV-M.  Was this your situation and how common do you think this scenario is?

>       engine-log-collector -k ""
> 

Yes, you are nulling out the default value which causes the LC to prompt you for a PW.  Perhaps we should document this as opposed to supplying a specific option?  Sandro?

>    because running this:
> 
>       engine-log-collector -k
> 
>    returns error message:
> 
>       error: -k option requires an argument
> 
>    however, help for -k option mentions *supplying* the argument:
> 
>       If a identity file is not supplied the program will prompt for a
>       password.
> 
>    so either the help text should mention empty string,
>    or -k option should allow missing argument (this was
>    my initial understanding according to help text)
> 
> Since these are just small things, I'm wondering if I should
> create RFE or if Keith/others can say if they are relevant.
> 
> Thanks,
> Vojtech
> 
> [1] http://etherpad.ovirt.org/p/3.4-testday-3
> 



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