Docker vs podman

[Rostislav Svoboda]

Hi.

I played a bit with Quarkus QS on RHEL 8 because of issues we hit on RHEL 8 and testcontainers when preparing for microprofile testcoverage with WF/EAP.

tl;dr: testcontainers do not support podman

Fedora and RHEL8 are using podman, Quarkus supports podman for building native image.

On the other hand Quarkus tests and Quarkus Quickstarts require Docker.

Any plans to support podman more ?

Details:

testcontainers message:

Quarkus QS on RHEL 8 reality:

./mvnw clean verify -Dquarkus.http.test-port=8083 -fae

(failures because of docker not being present, port had to be changed because of 8081 occupied by https://restraint.readthedocs.io/en/latest/using.html )

Rostislav

[Emmanuel Bernard]

We would need to propose a PR for test containers I suppose and hope they would see it not too intrusive. 

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[Max Rydahl Andersen]

Yes, I started exploring using podman in our quickstarts when I bumped into podman not (yet) working on windows and OSX
thus I stopped that work as that excludes me and probably ~80% of the developer ecosystem :)

Instead I started working with podman guys on how we can make podman more accessible or at least document a reasonable
way to get it working on windows/osx before moving our quickstarts to use/work with podman. That work is still ongoing.

That said, if anyone have a linux machine and time I think it would be great to get podman usage documented even if
it will only work easily on Linux machines initially.

/max
https://xam.dk/about

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[Sanne Grinovero]

FYI I've been using podman for a while now, and so have others on my team, and it's really nice. Not a single issue with all existing Docker containers and just a better experience to use it.

Would love to see our stuff to support it better; testcontainers trying to reach the daemon is the only problem I know about.

Thanks

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[Charles Moulliard]

For mac users, you can use podman-machine to launch a Linux VM and next use podman: https://github.com/boot2podman/machine

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[Max Rydahl Andersen]

On 19 Nov 2019, at 11:34, Charles Moulliard wrote:

> For mac users, you can use podman-machine to launch a Linux VM and
> next use
> podman: https://github.com/boot2podman/machine

That it is also supposed to work on windows.

But it didn't work for me last time I tried - did you succeed in making
it work ?

/max

>>> Quarkus QS on RHEL 8 reality:
>>> ./mvnw clean verify -Dquarkus.http.test-port=8083 -fae
>>> (failures because of docker not being present, port had to be
>>> changed
>>> because of 8081 occupied by
>>> https://restraint.readthedocs.io/en/latest/using.html )
>>>
>>>

>>> Rostislav
>>>
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[Ruddy32]

Hi

Since podman provide a docker compatible API, it might be possible to use TestContainers with podman.

Podman service is installed under my linux laptop and TestContainer cannot launch container. The process does not have right to call podman API. Is there something to configure in podman to allow non root connection?

Thanks.

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[Peter Palaga]

On 26/04/2020 22:41, Ruddy32 wrote:
> Hi
> Since podman provide a docker compatible API, it might be possible to
> use TestContainers with podman.
> Podman service is installed under my linux laptop and TestContainer
> cannot launch container. The process does not have right to call podman
> API. Is there something to configure in podman to allow non root connection?

Here is the Testcontainers on Podman issue:
https://github.com/testcontainers/testcontainers-java/issues/2088
Although some progress was logged recently, the issue is still open, so
it is probably too early to expect a 100% smooth experience. Anyway, the
people active in the issue might know the answer to your question. -- P

> Thanks.
>
> Le vendredi 8 novembre 2019 15:22:13 UTC+1, Sanne Grinovero a écrit :
>
> FYI I've been using podman for a while now, and so have others on my
> team, and it's really nice. Not a single issue with all existing
> Docker containers and just a better experience to use it.
>
> Would love to see our stuff to support it better; testcontainers
> trying to reach the daemon is the only problem I know about.
>
> Thanks
>
>
> On Fri, 8 Nov 2019, 14:00 Max Rydahl Andersen, <mand...@redhat.com

> <javascript:>> wrote:
>
> __

> Quarkus QS on RHEL 8 reality:
> ./mvnw clean verify -Dquarkus.http.test-port=8083 -fae
> (failures because of docker not being present, port had to
> be changed because of 8081 occupied by
> https://restraint.readthedocs.io/en/latest/using.html

> <https://restraint.readthedocs.io/en/latest/using.html> )

>
>
> Rostislav
>
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> <javascript:>.

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