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Re: Clarification on Docker in OpenShift



----- Original Message -----
> From: "priyanka Gupta" <priyanka4openshift gmail com>
> To: "Ben Parees" <bparees redhat com>
> Cc: dev lists openshift redhat com, "Clayton Coleman" <ccoleman redhat com>, "Shabna M" <shabsrh gmail com>
> Sent: Monday, September 1, 2014 2:03:59 AM
> Subject: Re: Clarification on Docker in OpenShift
> 
> Hi Ben, Thankyou so much for clarifying things, its very helpful.
> 
> I went through these links you shared
> https://registry.hub.docker.com/u/openshift/ruby-19-centos/
> https://registry.hub.docker.com/u/openshift/wildfly-8-centos/
> 
> it means it supports these as cartridges? what if user has to use other
> things mysql, tomcat etc , he will have to build it by his own or OpenShift
> will provide those in later releases?

Yes it's safe to assume OpenShift will provide additional docker images for commonly needed functionality including other runtimes, and database persistence.

In addition, one of the goals for OpenShift v3 is to make it much easier for developers to create, use, and contribute their own images (ie easier than creating a d/l cartridge is today), so that should help fill gaps as well.


> For your information I am able to run origin alpha release in Fedore
> installed in vagrant now :) https://github.com/openshift/origin/ , there
> was some issue with repo cleaning, I raised it in their git repo ,  seems
> it has been resolved.
> 
> 
> Thanks,
> Priya
> 
> 
> On Thu, Aug 28, 2014 at 7:24 PM, Ben Parees <bparees redhat com> wrote:
> 
> >
> > ----- Original Message -----
> > > From: "priyanka Gupta" <priyanka4openshift gmail com>
> > > To: dev lists openshift redhat com, "Clayton Coleman" <
> > ccoleman redhat com>
> > > Cc: shabsrh gmail com
> > > Sent: Thursday, August 28, 2014 6:04:52 AM
> > > Subject: Clarification on Docker in OpenShift
> > >
> > > Hi,
> > >
> > > I need to have some clarification on Docker in OpenShift.
> > >
> > > 1) Application Portability - Lets say I have an docker image which
> > installs
> > > wildfly/jboss or tomcat and deploys a war file into this. Can we deploy
> > this
> > > docker image in OpenShift without any extra configuration required?
> >
> > It's our intent to support arbitrary docker images running on openshift.
> > "No extra configuration" is a pretty absolute statement that I don't think
> > we can promise, but we do intend to extract metadata from the docker image
> > where possible and guide users through the deployment of such an image.
> >
> >
> > >
> > > 2) Existing Cartridges availability - As I understand docker packages
> > > everything required to run an app in a single container, like I have
> > given
> > > example of deploying jboss app where docker itself is getting Jboss
> > server
> > > and deploying application. So in newly OpenShift release having docker
> > > implemented will consist existing cartridges ( web and database etc) or
> > user
> > > will have to install everything manually using docker images. Please
> > clarify
> > > on this concept .
> >
> > We'll have some first class images that we maintain+support for running on
> > openshift, just like today.  You can see the beginnings of that here:
> > https://registry.hub.docker.com/u/openshift/ruby-19-centos/
> > https://registry.hub.docker.com/u/openshift/wildfly-8-centos/
> >
> >
> > > 3) Docker in Origin V3 : There is already a Origin repo available which
> > has
> > > docker integration here https://github.com/openshift/origin/ , is it
> > only
> > > available for testing purpose giving feel of how docker will be
> > implemented
> > > in future for production release? what if I have to deploy application
> > in my
> > > private paas origin installation ?
> >
> > That repository is the working repo for our v3 effort (equivalent to
> > origin-server for v2), so it will evolve over time into the production
> > release.  However at the moment it should be considered to be very very
> > alpha.
> >
> >
> > > i tried running that with the given commands on Fedora instance but faced
> > > some issues. can this only be tested with RHEL or it will work with
> > Fedora
> > > too?
> >
> > It does work on Fedora (fc20 at least), though I know there have been a
> > few gotchas with go-lang packaging issues and possibly other things, so
> > you'll have to elaborate on the issue you're hitting.
> >
> > >
> > >
> > > Please clarify these things , will be really very helphul.
> > >
> > >
> > > Thanks,
> > > Priya
> > >
> > > _______________________________________________
> > > dev mailing list
> > > dev lists openshift redhat com
> > > http://lists.openshift.redhat.com/openshiftmm/listinfo/dev
> > >
> >
> 


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