Test: Podman support

[chrmarti]

Ref - #116

• linux @mjbvz
• linux @weinand

Complexity: 4

---

Install the latest version (to get a fix in conmon >= 2.0.14 containers/podman#5046 (comment)) of Podman on Linux and add a symlink docker -> podman to the PATH.

Run the Smoke-Test (https://github.com/microsoft/vscode-remote-release/wiki/Remote-Containers-Smoke-Test) ignoring the Docker Compose part (not supported with Podman at the moment) and test basic operations using Remote-Containers commands and the Remote Explorer.

[weinand]

@chrmarti how do you install podman >= 2.0.14 on Ubuntu 18.04 LTE or 19.10 (on Parallels)?
I'm trying this for hours now...

[weinand]

Giving up on installing podman 2.0.14.
Will test with podman 1.9.0

[chrmarti]

@weinand Sorry, it's conmon that needs to have version 2.0.14 or later. Podman 1.9.0 should work.

[PavelSosin-320]

@chrmarti
Unfortunately, docker service provider resolution is not so simple: the same machine can have several providers:
docker, if neither podman is installed nor kubernetes orchestration is enabled - port 2375 or port 2376
podman, if podman is installed and docker is suppressed port ???
kuberenetes if it is enabled in the Docker Desktop settings or minikube is installed - port 6443
openshift from the same source as podman, RHEL, and widely used in Enterprise.
maybe docker swarm - port 2375/2376 ?
Nothing can prevent the installation of all 3 on the same machine. They don't conflict. Every CLI looks at its own dot file in the User-profile folder. It is a user preference for what to use.

[chrmarti]

@PavelSosin-320 #2887 will make the name and path of the Docker executable configurable so you can configure podman there. That will only work for Docker CLI compatible CLIs of course.

[Nuc1eoN]

I've got rootless podman working on archlinux, along with the package podman-docker which symlinks docker to podman I guess.

However vscode stil wouldn't recognize my config, saying "Failed to connect. Is Docker running?"

Is there something I'm missing?

[chrmarti]

@Nuc1eoN Check what is in the log (F1 > Remote-Containers: Show Log). There is now also a setting for the Docker executable where you can set podman, with that you don't need podman-docker anymore.

Please open a new issue if this is not working as expected. 👍

[Nuc1eoN]

@chrisdias Remote-Containers: Show Log doesnt exist for me. Do I need a special setup?
Never used docker/podman through vscode, so I might be totally missing something 🤔

[chrisdias]

@chrmarti see above ^^

[chrmarti]

@Nuc1eoN Make sure you are using the latest version of VS Code (1.46) and have the Remote-Containers extension installed (version 0.117.1).

[Nuc1eoN]

@chrisdias Remote-Containers: Show Log gives me an empty terminal with no output.
Remote-Containers: Settings shows the error:

Command 'Remote-Containers: Settings' resulted in an error (command 'remote-containers.settings' not found)

Extension and VS Code on latest versions.

[Nuc1eoN]

Anyways do I even need the extension?
I am trying to make the built-in functionailty work for now:

[chrmarti]

That's the Docker extension, please open an issue for them including the value you set for docker.host. Thanks.

Open issue here: https://github.com/microsoft/vscode-docker/issues