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Re: [scl.org] Idea: Software Collections Daemons Made System-wide



Amen to this.   I shipped an appliance install base on Pungi/Anaconda, but in my current role, I do not have root.
I found SCL and got what we needed without us having to build it ourself.

-----Original Message-----
From: sclorg-bounces redhat com [mailto:sclorg-bounces redhat com] On Behalf Of Griffin, Wesley (Fed)
Sent: Wednesday, March 22, 2017 10:49 AM
To: Honza Horak <hhorak redhat com>; sclorg redhat com
Subject: Re: [scl.org] Idea: Software Collections Daemons Made System-wide

My use case is for newer compilers and interpreters on development workstations.

I do not, however, manage my systems - our system administrator does that, so I work with him to get the SCL packages installed where necessary.

I am pretty confident that if I wanted to install an SCL package and it wrapped the system binary in some way he would refuse. He supports many more machines than just my development group and tries to maintain the same set of packages across all machines.

The beauty of SCL is that he can install it everywhere, but not affect anybody that doesn't opt-in. We have a similar setup for Intel compilers, Matlab, and other scientific software used in our organization.

So in that sense, adapting to a new approach would be troublesome, but only if it was the only approach. As long as the system binary wrappers are in subpackages which are optional, then I see no issues for us to continue using future SCL packages.

Thanks,
Wes

________________________________________
From: Honza Horak <hhorak redhat com>
Sent: Wednesday, March 22, 2017 3:41:54 AM
To: Griffin, Wesley (Fed); sclorg redhat com
Subject: Re: [scl.org] Idea: Software Collections Daemons Made System-wide

I don't expect we'll do this for existing packages we provide, it's more a vision for new collections (e.g. mariadb 10.2 at some point).

Anyway, do you also see the same point for those upcoming collections (where we're not tight by keeping backward compatibility), e.g. because you're fine with all the SCL specifics and adapting to the new way would be troublesome?

Honza


On 03/22/2017 04:30 AM, Griffin, Wesley (Fed) wrote:
> I will chime in as the "old curmudgeon" - as long as you don't break the existing use case, then I'm fine with any changes. The blog post says subpackages will be used to ensure no breakage - I just want to re-iterate that this is important and should not get lost if the proposal changes.
>
> Thanks,
> Wes
>
> ________________________________________
> From: sclorg-bounces redhat com <sclorg-bounces redhat com> on behalf 
> of Honza Horak <hhorak redhat com>
> Sent: Tuesday, March 21, 2017 11:05:26 AM
> To: sclorg redhat com
> Subject: [scl.org] Idea: Software Collections Daemons Made System-wide
>
> This is basically a kick-off for getting more feedback for an idea 
> shared at 
> http://www.themindiseverything.eu/2017/03/software-collections-daemons-made.html.
>
> Shortly, SCL has worked nicely for several years and people love them.
> But even the beloved ones have some issues. And what we hear from 
> users, the issues with Software Collections concept currently are basically those:
>
> * we need to use scl enable, which changes $PATH and other environment 
> variables, so the binaries placed in different location are visible by 
> the system
> * scripts originally written for "normal" MySQL use full paths (like
> /usr/bin/mysql) which does not work when we only have the Software 
> Collection installed
> * Data directory, config files and log files are on different location 
> than it is common
>
> The blog post tries to summarize possible solution, which I'm looking 
> for feedback now, ideally by replying to this mail..
>
> TIA,
> Honza
>
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>
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>

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