diff options
Diffstat (limited to 'tools/nixery/server/builder/builder.go')
| -rw-r--r-- | tools/nixery/server/builder/builder.go | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/tools/nixery/server/builder/builder.go b/tools/nixery/server/builder/builder.go index 59158037e443..c726b137fc33 100644 --- a/tools/nixery/server/builder/builder.go +++ b/tools/nixery/server/builder/builder.go @@ -53,6 +53,22 @@ type State struct { Pop layers.Popularity } +// Architecture represents the possible CPU architectures for which +// container images can be built. +// +// The default architecture is amd64, but support for ARM platforms is +// available within nixpkgs and can be toggled via meta-packages. +type Architecture struct { + // Name of the system tuple to pass to Nix + nixSystem string + + // Name of the architecture as used in the OCI manifests + imageArch string +} + +var amd64 = Architecture{"x86_64-linux", "amd64"} +var arm = Architecture{"aarch64-linux", "arm64"} + // Image represents the information necessary for building a container image. // This can be either a list of package names (corresponding to keys in the // nixpkgs set) or a Nix expression that results in a *list* of derivations. @@ -63,6 +79,10 @@ type Image struct { // Names of packages to include in the image. These must correspond // directly to top-level names of Nix packages in the nixpkgs tree. Packages []string + + // Architecture for which to build the image. Nixery defaults + // this to amd64 if not specified via meta-packages. + Arch *Architecture } // BuildResult represents the data returned from the server to the @@ -96,6 +116,7 @@ func ImageFromName(name string, tag string) Image { Name: strings.Join(pkgs, "/"), Tag: tag, Packages: expanded, + Arch: &amd64, } } @@ -218,6 +239,7 @@ func prepareImage(s *State, image *Image) (*ImageResult, error) { "--argstr", "packages", string(packages), "--argstr", "srcType", srcType, "--argstr", "srcArgs", srcArgs, + "--argstr", "system", image.Arch.nixSystem, } output, err := callNix("nixery-build-image", image.Name, args) @@ -448,7 +470,7 @@ func BuildImage(ctx context.Context, s *State, image *Image) (*BuildResult, erro return nil, err } - m, c := manifest.Manifest(layers) + m, c := manifest.Manifest(image.Arch.imageArch, layers) lw := func(w io.Writer) error { r := bytes.NewReader(c.Config) |