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From "Kelcey Damage \(BBITS\)" <>
Subject RE: CloudStack Marketplace Update
Date Tue, 11 Dec 2012 00:34:08 GMT

I'll say this.. I wish the CloudStack UI looked like the marketplace
proposal. Very slick!


-----Original Message-----
From: Jie Feng [] 
Sent: Monday, December 10, 2012 4:14 PM
Subject: RE: CloudStack Marketplace Update

Thanks Joe for the inputs! My comments inline. Chiradeep, thanks for the
names!  You are sure more creative than I am :)

-----Original Message-----
From: Joe Brockmeier []
Sent: Monday, December 10, 2012 3:51 PM
Subject: Re: CloudStack Marketplace Update

On Mon, Dec 10, 2012 at 03:24:18PM -0800, Jie Feng wrote:
> It seems the image got stripped out by the Apache mail server. So I 
> included text info instead. Sorry about the spam.

Probably just as well, some of us aren't using gui mail clients. ;-) 

> We had some early discussions in the mailing list regarding where to 
> host the Apache CloudStack listing repository and what to name this 
> feature. I included various options in the wiki (also see below), my 
> proposal for v1.0, and feedbacks I got from the Collaboration 
> Conference attendees. Comments, suggestions, flames?

The feature itself - having a way to list a "marketplace" of
templates/images for CloudStack users - sounds great. 

Companies like Citrix that ship a CloudStack can distribution like
CloudPlatform populate a marketplace with templates, etc. from their
partners. Providers like Contegix could populate the marketplace with their
own offerings, etc. 

I'm not so sure about turning this feature on by default in ACS, though.
[Jie] I am thinking to turning this on by default in ACS so that it is
visible immediately to CloudStack admins after installation. This is really
a way to make sure admins actually know about the new feature. There will be
a global configuration that admin can turn this feature off entirely.

> =========================================
> Here are the Design Choices:
> Where to host Apache Listing Repository?
> There have been some discussions on the cloudstack-dev mailing list on 
> where to host the Apache Listing Repository a few months ago. Given 
> that additional resources will be required to create a separate 
> governance body for a community managed listing repository, hosting 
> the Apache Listing Repository within CloudStack source code tree for
> v1.0 seems to be a more viable option. The following is an analysis of 
> pros and cons for each option. This was presented at the CloudStack 
> Collaboration Conference and feedback was that as long as the actual 
> vendor software is not open source, and vendor can continue to update 
> the image template off release cycle, option 1 (CloudStack source code
tree) is fine.

Separate governance body? I'm guessing what you mean here is a subset of
volunteers from the committers/PPMC, etc.? 
[Jie] Yes.

>  *         Option 1. CloudStack Source Code Tree (part of CloudStack
>  distribution)  -- proposed for v1.0
>  o   Pros: Governed by the same Apache project process; listings are
>  tested and verified to work with each CloudStack version (just like 
> vendor plugins)

I think we have our hands full testing Apache CloudStack. Trying to test
third party templates that would run on CloudStack seems like a *lot* of
[Jie] I think we only need to test the listing, but not the actual
templates. Otherwise, I agree it will be too much work. How do we test
vendor plugins today? 

>  o   Cons: Vendors need to sign Apache contributor license agreement
>  (CLA); vendors cannot make changes to listing files off CloudStack 
> release cycle; new vendors and products have to wait for the next 
> CloudStack release cycle to be added

I'm not sure about whether vendors would need to sign the CLA, but I'm not
entirely clear on *what* it is that we'd be providing, exactly.
[Jie] Can you clarify more for the CLA?  I thought that anyone contributing
anything to CloudStack source code tree needs to sign CLA?  Is that true?
If we package the listing repository in the source code tree and ship with
CloudStack distribution, I assume vendors who puts the listings there needs
to sign the CLA.

If I understand correctly, we'd be providing a pointer of some kind to
images, etc. hosted elsewhere? Obviously, we would not be able to host the
images themselves given licensing/space issues. 
[Jie] Yes, for templates/ISOs, vendor will provide a pointer to image hosted
elsewhere. We will not host it in Apache.

>  *         Option 2. A separate listing repository hosted by the Apache
>  CloudStack community

Hosted where? How? What format is the listing going to be in? What kind of
technical requirements are we talking about? 
[Jie] That's my question also. Where can we host it if not in the source
code tree? Apache CloudStack website? See wiki for format:

>  o   Pros: Vendors do not need to sign Apache CLA; vendors can add/update
>  listing any time with changes propagated to each Cloudstack instance 
> with Marketplace enabled
>  o   Cons: What about governance? If no governance, the listing might
>  not work or can even contain virus. To provide governance requires us 
> to create a whole new process and need people

This would also be true of Option 1, yes? 
[Jie] For option 1, we will test the listing itself as part of the Apache
CloudStack governance process we use for the source code, so that we don't
need to create a separate governance process. We can only go as far as
testing the listing does not include virus. We cannot test the
templates/ISOs (too time consuming). Should this be similar to vendor
plugins?  In the case of vendor plugins, we can only test the plugins.
Vendors' products can evolve outside of CloudStack and if they put some
virus in, there is no way we can govern that.

>  *         No Apache listing repository

This has my vote so far. 

If I understand the feature correctly, I would say the marketplace should be
an optional feature that can be turned on at compile time
- perhaps with a configuration that lets you point to one (or more) managed
marketplaces provided by third parties. That way if a company or group wants
to manage a marketplace, they can publish the URL it can be found at and
users can flip the switch to get that. 
[Jie] You are correct that there is configuration item that lets you point
to one (or more) marketplace repositories. My proposal is to turn the
feature on by default as explained above.

> What should be the name of this new component?

Marketplace seems fine to me, seems descriptive enough and doesn't overlap
with other names currently. 
Joe Brockmeier
Twitter: @jzb

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