[Paraview] default_servers.pvsc question

[Angelini, Richard C (Rick) CIV USARMY ARL (US)]

Burlen/Utkarsh —— my preferred solution is also to not set an environment
variable if possible.  For my particular issue, I’d much rather be able to
do a `which ssh` (or equivalent) to get the answer than than asking the
user to set an environment variable.

Implementing a python-based default_servers definition opens things up for
much more programmatic flexibility.

# take a guess at which ssh command to use

try:
	default_shell=os.popen("which ssh").read()
	default_shell=default_shell.rstrip("\r\n")
except:
	default_shell="/usr/krb5/bin/




________________________________
Rick Angelini
USArmy Research Laboratory
CISD/HPC Architectures Team
Phone:  410-278-6266




-----Original Message-----
From: Burlen Loring <burlen.loring at gmail.com>
Date: Sunday, April 12, 2015 at 10:34 PM
To: Utkarsh Ayachit <utkarsh.ayachit at kitware.com>, Rick Angelini
<Richard.C.Angelini.CIV at mail.mil>
Cc: "paraview at paraview.org" <paraview at paraview.org>
Subject: Re: [Paraview] default_servers.pvsc question

Hi Utkarsh,

I think environment variables are kind of a band aid around a larger
issue. In addition to leveraging the user's local environment, there's
also no way to get information from the server side environment. for
example list of account numbers a user can charge jobs to, or a list of
active queues. One thing I have been thinking about is  rather than just
reading pvsc from an xml file, paraview could call a script to get the
pvsc xml. This script could query the user's local/remote environment
and generate the xml. A long time ago we had talked about a python based
solution. What do you think?

Burlen

On 4/12/2015 11:31 AM, Utkarsh Ayachit wrote:
> Rick,
>
> Alas no, this isn't currently supported. But should be fairly
> straightforward to add. I've reported a bug:
> http://www.paraview.org/Bug/view.php?id=15421
>
> Utkarsh
>
> On Fri, Apr 10, 2015 at 4:09 PM, Angelini, Richard C (Rick) CIV USARMY
> ARL (US) <richard.c.angelini.civ at mail.mil> wrote:
>> Question about the default_servers.pvsc file…..
>>
>> I have this in my host profile:
>>
>>    <Server name=“My System" resource="csrc://127.0.0.1">
>>      <CommandStartup>
>>        <Options>
>> <Option name="SSHLOC" label="Local SSH Command" save="true">
>>   <File default="/usr/local/bin/ssh"/>
>> </Option>
>>
>> So, when the GUI pops up, the user has an opportunity to change the
>>path to
>> ssh.   But, rather than hard-coding the default value, or presenting
>>blank
>> field and have the user put in the correct path, is it possible to
>>query the
>> user’s environment and find `which ssh` and substitute in that value??
>>
>>
>>
>>
>> ________________________________
>> Rick Angelini
>> USArmy Research Laboratory
>> CISD/HPC Architectures Team
>> Phone:  410-278-6266
>>
>> _______________________________________________
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>
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>
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>
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