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Fix rootless networking with userns and ports #12227

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merged 1 commit into from
Nov 9, 2021

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Luap99
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@Luap99 Luap99 commented Nov 8, 2021

What this PR does / why we need it:

A rootless container created with a custom userns and forwarded ports
did not work. I refactored the network setup to make the setup logic
more clear.

How to verify it

  1. terminal
    podman run -it --rm --userns keep-id --network bridge -p 8080:8080 alpine nc -l -p 8080
  2. terminal
    echo test | nc 127.0.0.1 8080

Which issue(s) this PR fixes:

Special notes for your reviewer:

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openshift-ci bot commented Nov 8, 2021

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Luap99

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@openshift-ci openshift-ci bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Nov 8, 2021
@@ -290,7 +290,7 @@ func (c *Container) handleRestartPolicy(ctx context.Context) (_ bool, retErr err

// setup slirp4netns again because slirp4netns will die when conmon exits
if c.config.NetMode.IsSlirp4netns() {
err := c.runtime.setupSlirp4netns(c)
err := c.runtime.setupSlirp4netns(c, c.state.NetNS)
if err != nil {
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Any reason 293 and 294 are separate lines?

@mheon
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mheon commented Nov 8, 2021

LGTM overall

@TomSweeneyRedHat
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looks like some test unhappiness @Luap99

A rootless container created with a custom userns and forwarded ports
did not work. I refactored the network setup to make the setup logic
more clear.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>
@rhatdan
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rhatdan commented Nov 9, 2021

/lgtm

@openshift-ci openshift-ci bot added the lgtm Indicates that a PR is ready to be merged. label Nov 9, 2021
@openshift-merge-robot openshift-merge-robot merged commit 5437568 into containers:main Nov 9, 2021
@Luap99 Luap99 deleted the net-setup branch November 9, 2021 21:31
@github-actions github-actions bot added the locked - please file new issue/PR Assist humans wanting to comment on an old issue or PR with locked comments. label Sep 22, 2023
@github-actions github-actions bot locked as resolved and limited conversation to collaborators Sep 22, 2023
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5 participants