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nixos/containers: add bridge without address specified #53419

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merged 1 commit into from Jan 28, 2019

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uvNikita
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@uvNikita uvNikita commented Jan 4, 2019

Motivation for this change

According to systemd-nspawn(1), --network-bridge implies --network-veth,
and --port option is supported only when private networking is enabled.
Fixes #52417.

Things done

Tests in nixos/tests/containers-* seem to pass, but I haven't actually tested if it works when the address is assigned by dhcp.

  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Assured whether relevant documentation is up to date
  • Fits CONTRIBUTING.md.

According to systemd-nspawn(1), --network-bridge implies --network-veth,
and --port option is supported only when private networking is enabled.
Fixes NixOS#52417.
@uvNikita
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uvNikita commented Jan 7, 2019

I now added a test that checks that bridge is actually created without local/host IP addresses specified.

@uvNikita
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@Mic92 can you please look at this one? It would be nice to fix the regression introduced in the master branch.

@uvNikita
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@flokli I see you have been doing some work in nixos containers, maybe you can review and merge this PR?

Sorry for bothering, but it would be nice to merge it quite quickly since it's breaking some people's set up.

@flokli flokli merged commit 38be383 into NixOS:master Jan 28, 2019
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flokli commented Jan 28, 2019

@uvNikita sorry for keeping this lingering around - thanks for highlighting. Merged.

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@flokli thank you!

@uvNikita uvNikita deleted the containers/fix-bridge branch January 28, 2019 13:13
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4 participants