Re: [openstack-dev] [Zun][Glare][Glance] Building Docker images

2016-12-19 Thread Mikhail Fedosin
I believe we can add Glare driver to Zun [1] and allow it to pull container
images from Glare directly. Then, as Kairat mentioned, we should prepare
'container-images' artifact type for Glare [2]. For sure, we can use
'images' (which are actually vm images) to store containers, but it's ugly,
because virtual machine is not exactly the same as container. If it's
required let me know, and I'll propose related patches to Zun and Glare.

Best,
Mike

[1] https://github.com/openstack/zun/tree/master/zun/image
[2] https://github.com/openstack/glare/tree/master/glare/objects

On Fri, Dec 16, 2016 at 3:36 PM, Kairat Kushaev 
wrote:

> Hello Denis,
> unfortunately, I don't have deep knowledge of Zun so i can speak from
> Glare side only.
> So Glare can serve as some kind of artifact storage for container files
> but we need to define artifact structure first.
> Please note that artifact is immutable after activation so once you need
> to change some files you need to create new artifact.
> Also there is possibility to store container images in Glare also but this
> requires an integration from Zun to consume blobs from Glare.
> So it requires some improvements outside Glare.
>
> Best regards,
> Kairat Kushaev
>
> On Tue, Dec 13, 2016 at 8:16 PM, Hongbin Lu  wrote:
>
>> Denis,
>>
>>
>>
>> Per my understanding, container image building is out of the scope of the
>> Zun project. Zun assumes an image has been built and uploaded to a image
>> repository (i.e. Glance, docker registry), then the image will be pulled
>> down from the repo to host. However, feel free to let us know if anything
>> else we can do.
>>
>>
>>
>> Best regards,
>>
>> Hongbin
>>
>>
>>
>> *From:* Denis Makogon [mailto:lildee1...@gmail.com]
>> *Sent:* December-12-16 4:51 PM
>> *To:* OpenStack Development Mailing List (not for usage questions)
>> *Subject:* [openstack-dev] [Zun][Glare][Glance] Building Docker images
>>
>>
>>
>> Hello to All.
>>
>>
>>
>> I’d like to get initial feedback on the idea of building Docker images
>> through Zun involving Glare as artifactory for all static components
>> required for image.
>>
>>   So, the idea here is in being capable to build a Docker image
>> through Zun API with storing all static data required for docker image
>> building in Glare or Swift. In order to keep the same UX from using Docker
>> it would be better to use Dockerfile as description format for image
>> building.
>>
>>   In image creation process Glare could take role of
>> artifactory, where users stores, let’s say source code of his applications
>> that would run in containers, static data, etc. And those artifacts will be
>> pulled during image creation and used to inject into image (similar process
>> of context creation during Docker image building using native CLI). Please
>> note that artifacts are completely optional for images, but would give a
>> capability to keep artifacts in dedicated storage instead of transferring
>> all data through Zun API (the opposite concept to Docker build context).
>>
>>
>>
>>   Once image is created, it can be stored in underlying Docker
>> in Zun or can be published into Glance or Swift for further consumption (if
>> user will need to save image, he’ll use Glance image download API). I’ve
>> mentioned Swift VS Glance because Swift has concept of temp URLs that can
>> be accessed without being authorized. Such feature allows to use Swift as
>> storage from where possible to export image to Docker using Import API [1].
>>
>>
>>
>>
>>
>> Any feedback on the idea is appreciated.
>>
>>
>>
>> Kind regards,
>>
>> Denis Makogon
>>
>>
>>
>> [1] https://docs.docker.com/engine/reference/commandline/import/
>>
>> 
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>
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Re: [openstack-dev] [Zun][Glare][Glance] Building Docker images

2016-12-16 Thread Kairat Kushaev
Hello Denis,
unfortunately, I don't have deep knowledge of Zun so i can speak from Glare
side only.
So Glare can serve as some kind of artifact storage for container files but
we need to define artifact structure first.
Please note that artifact is immutable after activation so once you need to
change some files you need to create new artifact.
Also there is possibility to store container images in Glare also but this
requires an integration from Zun to consume blobs from Glare.
So it requires some improvements outside Glare.

Best regards,
Kairat Kushaev

On Tue, Dec 13, 2016 at 8:16 PM, Hongbin Lu  wrote:

> Denis,
>
>
>
> Per my understanding, container image building is out of the scope of the
> Zun project. Zun assumes an image has been built and uploaded to a image
> repository (i.e. Glance, docker registry), then the image will be pulled
> down from the repo to host. However, feel free to let us know if anything
> else we can do.
>
>
>
> Best regards,
>
> Hongbin
>
>
>
> *From:* Denis Makogon [mailto:lildee1...@gmail.com]
> *Sent:* December-12-16 4:51 PM
> *To:* OpenStack Development Mailing List (not for usage questions)
> *Subject:* [openstack-dev] [Zun][Glare][Glance] Building Docker images
>
>
>
> Hello to All.
>
>
>
> I’d like to get initial feedback on the idea of building Docker images
> through Zun involving Glare as artifactory for all static components
> required for image.
>
>   So, the idea here is in being capable to build a Docker image
> through Zun API with storing all static data required for docker image
> building in Glare or Swift. In order to keep the same UX from using Docker
> it would be better to use Dockerfile as description format for image
> building.
>
>   In image creation process Glare could take role of artifactory,
> where users stores, let’s say source code of his applications that would
> run in containers, static data, etc. And those artifacts will be pulled
> during image creation and used to inject into image (similar process of
> context creation during Docker image building using native CLI). Please
> note that artifacts are completely optional for images, but would give a
> capability to keep artifacts in dedicated storage instead of transferring
> all data through Zun API (the opposite concept to Docker build context).
>
>
>
>   Once image is created, it can be stored in underlying Docker in
> Zun or can be published into Glance or Swift for further consumption (if
> user will need to save image, he’ll use Glance image download API). I’ve
> mentioned Swift VS Glance because Swift has concept of temp URLs that can
> be accessed without being authorized. Such feature allows to use Swift as
> storage from where possible to export image to Docker using Import API [1].
>
>
>
>
>
> Any feedback on the idea is appreciated.
>
>
>
> Kind regards,
>
> Denis Makogon
>
>
>
> [1] https://docs.docker.com/engine/reference/commandline/import/
>
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Re: [openstack-dev] [Zun][Glare][Glance] Building Docker images

2016-12-13 Thread Hongbin Lu
Denis,

Per my understanding, container image building is out of the scope of the Zun 
project. Zun assumes an image has been built and uploaded to a image repository 
(i.e. Glance, docker registry), then the image will be pulled down from the 
repo to host. However, feel free to let us know if anything else we can do.

Best regards,
Hongbin

From: Denis Makogon [mailto:lildee1...@gmail.com]
Sent: December-12-16 4:51 PM
To: OpenStack Development Mailing List (not for usage questions)
Subject: [openstack-dev] [Zun][Glare][Glance] Building Docker images


Hello to All.


I’d like to get initial feedback on the idea of building Docker images through 
Zun involving Glare as artifactory for all static components required for image.

  So, the idea here is in being capable to build a Docker image through 
Zun API with storing all static data required for docker image building in 
Glare or Swift. In order to keep the same UX from using Docker it would be 
better to use Dockerfile as description format for image building.

  In image creation process Glare could take role of artifactory, where 
users stores, let’s say source code of his applications that would run in 
containers, static data, etc. And those artifacts will be pulled during image 
creation and used to inject into image (similar process of context creation 
during Docker image building using native CLI). Please note that artifacts are 
completely optional for images, but would give a capability to keep artifacts 
in dedicated storage instead of transferring all data through Zun API (the 
opposite concept to Docker build context).


  Once image is created, it can be stored in underlying Docker in Zun 
or can be published into Glance or Swift for further consumption (if user will 
need to save image, he’ll use Glance image download API). I’ve mentioned Swift 
VS Glance because Swift has concept of temp URLs that can be accessed without 
being authorized. Such feature allows to use Swift as storage from where 
possible to export image to Docker using Import API [1].



Any feedback on the idea is appreciated.


Kind regards,

Denis Makogon


[1] https://docs.docker.com/engine/reference/commandline/import/
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[openstack-dev] [Zun][Glare][Glance] Building Docker images

2016-12-12 Thread Denis Makogon
Hello to All.

I’d like to get initial feedback on the idea of building Docker images
through Zun involving Glare as artifactory for all static components
required for image.

So, the idea here is in being capable to build a Docker image through Zun
API with storing all static data required for docker image building in
Glare or Swift. In order to keep the same UX from using Docker it would be
better to use Dockerfile as description format for image building.

In image creation process Glare could take role of artifactory, where users
stores, let’s say source code of his applications that would run in
containers, static data, etc. And those artifacts will be pulled during
image creation and used to inject into image (similar process of context
creation during Docker image building using native CLI). Please note that
artifacts are completely optional for images, but would give a capability
to keep artifacts in dedicated storage instead of transferring all data
through Zun API (the opposite concept to Docker build context).

Once image is created, it can be stored in underlying Docker in Zun or can
be published into Glance or Swift for further consumption (if user will
need to save image, he’ll use Glance image download API). I’ve mentioned
Swift VS Glance because Swift has concept of temp URLs that can be accessed
without being authorized. Such feature allows to use Swift as storage from
where possible to export image to Docker using Import API [1].


Any feedback on the idea is appreciated.

Kind regards,

Denis Makogon

[1] https://docs.docker.com/engine/reference/commandline/import/
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