[Paraview] default_servers.pvsc question

[Burlen Loring]

Great, that sounds like a good way to start.

On 04/13/2015 06:53 AM, Utkarsh Ayachit wrote:
> Burlen/Rick,
>
> I am totally open to adding  new features/refactoring the pvsc code.
> It hasn't changed much in a few years, and I am sure we know more than
> we did when we started with this :). Since you guys are the ones
> actually using this code in the field, it'd be great if you can
> identify the feature list of things missing or difficult to do in the
> current implementation and we can decide which would be best way
> forward.
>
> Should I create a google-doc or something which all can edit to built this list?
>
> Utkarsh
>
> On Mon, Apr 13, 2015 at 8:19 AM, Angelini, Richard C (Rick) CIV USARMY
> ARL (US) <richard.c.angelini.civ at mail.mil> wrote:
>> 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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>>