Re: [Container-tools] CRI-O vs. ContainerD

[Daniel J Walsh]

Here is a start at a blog.

https://docs.google.com/document/d/1mCvWhWcKZlgEogAb5tV9Hc10fDCuCb1CAYLHsHXq0Q0/edit#


On 03/21/2017 10:11 AM, Mohammed Ahmed wrote:
>
>
> On Tue, Mar 21, 2017 at 6:59 PM, Josh Berkus  > wrote:
>
> Dan,
>
> This is a nice explanation.  If you soften the politics, and add a
> little more detail, it would make a good blog post.
>
> +1 That was really good. 
>
>
>
> On 03/20/2017 05:07 PM, Daniel J Walsh wrote:
> >
> >
> > On 03/20/2017 12:33 PM, Josh Berkus wrote:
> >> ... can someone give me a practical rundown?
> >>
> >> Speaking as a Kubernetes user, how are these different?
> >>
> > CRI-O is a CRI Daemon that is being developed to support Kubernetes
> > workloads using three sub packages
> >
> > github.com ://containers/storage
> > github.comf://containers/image
> > github.com ://opencontainers/runtime-spec and
> > github.com ://opencontainers/runc
> >
> > Red Hat is taking the lead on this effort, but we have major
> > contributors from Suse, Intel, IBM.  It is part of an k8s incubator
> > project.  Available now in Rawhide as the ocid package.  We are
> > currently passing about 1/3 of the k8s CRI test suite.  Hope to
> pass all
> > within 6 months.
> >
> > ContainerD is an new monolithic daemon from Docker Inc. It
> includes what
> > is containerd from the docker project which was a daemon built
> mainly to
> > support the Swarm workloads as well as sucked parts of the
> docker daemon
> > out to handle container storage and pulling/pushing images. As
> of now it
> > does not support k8s CRI, although that is clearly Docker Inc's
> aim.  It
> > also only supports storage on Overlay2 and Aufs.  They did some
> redesign
> > of the Storage layer to make it different then Docker
> mechanism.  (We
> > based containers/storage off of the Docker storage).  Containerd
> still
> > has Solomon Sykes as the BDL of containerd.  We submitted pull
> requests
> > to use containers/storage and containers/image to containerd but was
> > rejected by the containerd team.  Docker would like to see
> containerd be
> > the one Daemon to handle all container workloads.  We think at some
> > point in the future the upstream docker project will move to
> containerd.
> >
>
>
> --
> --
> Josh Berkus
> Project Atomic
> Red Hat OSAS
>
> ___
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> Container-tools@redhat.com 
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> 
>
>
>
>
> -- 
> *Mohammed Zeeshan Ahmed*
> Associate Software Engineer, Redhat Developers Team (Devtools)
> http://mohammedzee1000.wordpress.com https://mojo.redhat.com/people/moahmed
>
> RED HAT | DIFFERENT FOR THE SAKE OF BETTER TECHNOLOGY
>
> Find out why every airline, telecom, commercial bank, healthcare, and
> financial data services company in the Fortune 500 relies on Red Hat.
>
> Trusted | Red Hat 
>
>
>
>
> ___
> Container-tools mailing list
> Container-tools@redhat.com
> https://www.redhat.com/mailman/listinfo/container-tools

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[Container-tools] # CRI-O vs Containerd - Invitation to edit

[Daniel Walsh (via Google Docs)]

I've shared an item with you:

# CRI-O vs Containerd
https://docs.google.com/document/d/1mCvWhWcKZlgEogAb5tV9Hc10fDCuCb1CAYLHsHXq0Q0/edit?usp=sharing=CO7ozIoK=58d13d63

It's not an attachment -- it's stored online. To open this item, just click  
the link above.
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Re: [Container-tools] CRI-O vs. ContainerD

[Mohammed Ahmed]

On Tue, Mar 21, 2017 at 6:59 PM, Josh Berkus  wrote:

> Dan,
>
> This is a nice explanation.  If you soften the politics, and add a
> little more detail, it would make a good blog post.
>
+1 That was really good.

>
>
> On 03/20/2017 05:07 PM, Daniel J Walsh wrote:
> >
> >
> > On 03/20/2017 12:33 PM, Josh Berkus wrote:
> >> ... can someone give me a practical rundown?
> >>
> >> Speaking as a Kubernetes user, how are these different?
> >>
> > CRI-O is a CRI Daemon that is being developed to support Kubernetes
> > workloads using three sub packages
> >
> > github.com://containers/storage
> > github.comf://containers/image
> > github.com://opencontainers/runtime-spec and
> > github.com://opencontainers/runc
> >
> > Red Hat is taking the lead on this effort, but we have major
> > contributors from Suse, Intel, IBM.  It is part of an k8s incubator
> > project.  Available now in Rawhide as the ocid package.  We are
> > currently passing about 1/3 of the k8s CRI test suite.  Hope to pass all
> > within 6 months.
> >
> > ContainerD is an new monolithic daemon from Docker Inc. It includes what
> > is containerd from the docker project which was a daemon built mainly to
> > support the Swarm workloads as well as sucked parts of the docker daemon
> > out to handle container storage and pulling/pushing images. As of now it
> > does not support k8s CRI, although that is clearly Docker Inc's aim.  It
> > also only supports storage on Overlay2 and Aufs.  They did some redesign
> > of the Storage layer to make it different then Docker mechanism.  (We
> > based containers/storage off of the Docker storage).  Containerd still
> > has Solomon Sykes as the BDL of containerd.  We submitted pull requests
> > to use containers/storage and containers/image to containerd but was
> > rejected by the containerd team.  Docker would like to see containerd be
> > the one Daemon to handle all container workloads.  We think at some
> > point in the future the upstream docker project will move to containerd.
> >
>
>
> --
> --
> Josh Berkus
> Project Atomic
> Red Hat OSAS
>
> ___
> Container-tools mailing list
> Container-tools@redhat.com
> https://www.redhat.com/mailman/listinfo/container-tools
>



-- 
*Mohammed Zeeshan Ahmed*
Associate Software Engineer, Redhat Developers Team (Devtools)
http://mohammedzee1000.wordpress.com https://mojo.redhat.com/people/moahmed

RED HAT | DIFFERENT FOR THE SAKE OF BETTER TECHNOLOGY

Find out why every airline, telecom, commercial bank, healthcare, and
financial data services company in the Fortune 500 relies on Red Hat.

Trusted | Red Hat 
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Re: [Container-tools] CRI-O vs. ContainerD

[Daniel J Walsh]

On 03/20/2017 12:33 PM, Josh Berkus wrote:
> ... can someone give me a practical rundown?
>
> Speaking as a Kubernetes user, how are these different?
>
CRI-O is a CRI Daemon that is being developed to support Kubernetes
workloads using three sub packages

github.com://containers/storage
github.comf://containers/image
github.com://opencontainers/runtime-spec and
github.com://opencontainers/runc

Red Hat is taking the lead on this effort, but we have major
contributors from Suse, Intel, IBM.  It is part of an k8s incubator
project.  Available now in Rawhide as the ocid package.  We are
currently passing about 1/3 of the k8s CRI test suite.  Hope to pass all
within 6 months.

ContainerD is an new monolithic daemon from Docker Inc. It includes what
is containerd from the docker project which was a daemon built mainly to
support the Swarm workloads as well as sucked parts of the docker daemon
out to handle container storage and pulling/pushing images. As of now it
does not support k8s CRI, although that is clearly Docker Inc's aim.  It
also only supports storage on Overlay2 and Aufs.  They did some redesign
of the Storage layer to make it different then Docker mechanism.  (We
based containers/storage off of the Docker storage).  Containerd still
has Solomon Sykes as the BDL of containerd.  We submitted pull requests
to use containers/storage and containers/image to containerd but was
rejected by the containerd team.  Docker would like to see containerd be
the one Daemon to handle all container workloads.  We think at some
point in the future the upstream docker project will move to containerd.

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[Container-tools] CRI-O vs. ContainerD

[Josh Berkus]

... can someone give me a practical rundown?

Speaking as a Kubernetes user, how are these different?

-- 
--
Josh Berkus
Project Atomic
Red Hat OSAS

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