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cloud-utils: use qemu-utils instead of qemu #58471

merged 2 commits into from Oct 2, 2019


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Motivation for this change

Related issue: #58469

This greatly reduces the size of images that use cloud-init.
This seems safe to do per the upstream packaging:


595M     /nix/store/nmn798kahfqf47d4j6zfqwvy7m678hd0-digital-ocean-image
331M     /nix/store/kvq58qn9iqgpgr4v3dq9vk5zd05jz2ml-digital-ocean-image

I've booted this up, but haven't tested extensively. This should be tested with other images, but ought to be at least somewhat safe based on upstream packaging.

Things done
  • 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 nix-review --run "nix-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

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@GrahamcOfBorg build cloud-utils

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Member Author

see also: #50687

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Any reason to not go ahead with this?

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only reason I can see is if we want to merge #50687 and use it instead? but I haven't looked at it terribly closely. Since this mirrors how others are packaging these bits from qemu, it seems safe to merge to me. (Unless something else in a cloud image is implicitly relying on another binary in the qemu package, but I doubt it)

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wmertens commented Oct 1, 2019

IMHO, this should be merged now and #50687 when it's ready - no reason to wait, no?

@joachifm joachifm merged commit 2c117ae into NixOS:master Oct 2, 2019
dtzWill pushed a commit to dtzWill/nixpkgs that referenced this pull request Oct 2, 2019
cloud-utils: use `qemu-utils` instead of `qemu`
(cherry picked from commit 2c117ae)
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4 participants