[Paraview] default_servers.pvsc question

[Utkarsh Ayachit]

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
>>>>>
>>>>> _______________________________________________
>>>>> Powered by www.kitware.com
>>>>>
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>>>>>
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>>>
>>>
>