Re: [atomic-devel] Looking at adding version support to the atomic command.

[Daniel J Walsh <dwalsh redhat com>]

On 04/22/2015 08:18 PM, Michael P. McGrath wrote:
> ----- Original Message -----
>> From: "Daniel J Walsh" <dwalsh redhat com>
>> To: atomic-devel projectatomic io
>> Sent: Wednesday, April 22, 2015 7:10:33 PM
>> Subject: [atomic-devel] Looking at adding version support to the atomic	command.
>>
>> One of the things I would like to return is version information about an
>> image.  The version content could be stored as LABELS in the dockerfile.
>>
>> For example if you had
>>
>>
> Is there no way to add this directly to Docker instead of re-using the label?
Docker is not going to pay attention to our labels.  If that is what you
are asking.  The recursion is all available via docker-python.
>     -Mike
>
>> FROM         fedora
>> MAINTAINER    Dan Walsh
>> ENV container docker
>> RUN yum -y update; yum -y install httpd; yum clean all; systemctl enable
>> httpd
>>
>> LABEL Name=Apache
>> LABEL Version=1.0
>> LABEL Release=1
>> LABEL Vendor="Red Hat" License=GPLv3
>> LABEL INSTALL="docker run --rm --privileged -v /:/host -e HOST=/host -e
>> LOGDIR=${LOGDIR} -e CONFDIR=${CONFDIR} -e DATADIR=${DATADIR} -e
>> IMAGE=IMAGE -e NAME=NAME IMAGE /bin/install.sh"
>> LABEL UNINSTALL="docker run --rm --privileged -v /:/host -e HOST=/host
>> -e IMAGE=IMAGE -e NAME=NAME IMAGE /bin/uninstall.sh"
>> ADD root /
>>
>> EXPOSE 80
>> RUN rm -f /etc/machine-id
>> LABEL RUN echo '$PWD' '$(id -u)'
>>
>> CMD [ "/sbin/init" ]
>>
>> And did a docker build -t test .
>>
>>
>> Now you could execute
>>
>> atomic version test, which would print the ID, The Name:Version:Release
>> as specified in the Image labels. And finally the tag if it exists.
>>
>> atomic version test
>> afecc5f6a3c4d8f2326901c94cdf84aab0890ea827c38f2b0d2e2a4ba5ace7d6
>> Apache:1.0:1 test:latest
>>
>> Another feature I have added is, the ability to recurse though all of
>> the layers of the image.
>>
>> atomic version -r test
>> afecc5f6a3c4d8f2326901c94cdf84aab0890ea827c38f2b0d2e2a4ba5ace7d6
>> Apache:1.0:1 test:latest
>> 21b2d6e4171b024cb48bb2d02d626481e37724a6e03dac7962e44cc8612fbf22
>> Apache:1.0:1
>> 83202d54cf27439381b3d668d02f3a21cb75ebba4623d86e1fdbad614660424e
>> Apache:1.0:1
>> 90ff7403d883c0ccde72bf630cb77e224fd6b517fc4b61b84f8d9739dab93c9f
>> Apache:1.0:1
>> 12f19f77bc52483d902727b6c142f20cc79109ad45e36869f30c15228534eb5b
>> Apache:1.0:1
>> 4bcd0ad4dbe8c39f49094c3f13c8aa517efe6c76de1aacb6fca413ee3372dd98
>> Apache:1.0:1
>> fabaf6ef3297a7d6006ee24034aa2ba525f064f108580d4b44944e24b1581513
>> Apache:1.0:1
>> eb10dd5ab6a2a649d5e069c67fdd71506db0b0a1e4a5b5680c1d3f317bfa320a
>> Apache:1.0:1
>> b0bc3c982c88037a5e7b6e7e6de900981c9f90516014b7071fe860ca39a22d02
>> Apache:1.0:1
>> 99878fca96575b6ccac2fa54a2f2a44ad85d94344e8fbde5ae2350e3b5eec98b Apache:1.0:
>> fc8782dfd543be2a582cf8ee7eff4e39c46a980f212891342ac4c6c6917ee211 Apache::
>> cf6c210ea5b979204df75ad4aeaa3dcb971589c2399d79e6c2a71e7588e95cd9 ::
>> 4dab839254d036da5ad52f459d6602b1a84f379fe94c722bd969db14e119189a ::
>> 011c13014fd9ede3e53119f380e20b88af2e8bd40afb1b3925ed39cbd067e453 ::
>> 834629358fe214f210b0ed606fba2c17827d7a46dd74bd3309afc2a103ad0e89 ::
>> fedora:21
>> 00a0c78eeb6d81442efcd1d7c02e8b141745e3a06f1ee3458e1bae628e0067d3 ::
>> 511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158 ::
>>
>> Which looks better on a terminal then in email.
>>
>> I guess the only question would be what should the output look like.
>> The nice feature of this is you would know that the test container is
>> based on the
>> fedora:21 package.
>>
>>
>> Wanted the tool to not only get the Label Version but also the tag if it
>> exists, and added recursion.
>>
>>
>>