[Paraview] default_servers.pvsc question

[Burlen Loring]

OK, I added some notes based on the above discussion.

On 04/13/2015 08:33 AM, Utkarsh Ayachit wrote:
> Great, let's start here:
>
> https://docs.google.com/a/kitware.com/document/d/1uzi3VzpCxiGslhqaUde3ZbKcx-9LLG_ly3BYvDiPPx0/edit?usp=sharing
>
> Utkarsh
>
>
>
> On Mon, Apr 13, 2015 at 11:29 AM, Burlen Loring <burlen.loring at gmail.com> wrote:
>> 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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>>>>>>
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