32 lines
930 B
Nix
32 lines
930 B
Nix
{ stdenv, lib, docker, vmTools, utillinux, curl, kmod, dhcp, cacert, e2fsprogs }:
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let
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nameReplace = name: builtins.replaceStrings ["/" ":"] ["-" "-"] name;
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in
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# For simplicity we only support sha256.
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{ imageName, imageTag ? "latest", imageId ? "${imageName}:${imageTag}"
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, sha256, name ? (nameReplace "docker-image-${imageName}-${imageTag}.tar") }:
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let
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pullImage = vmTools.runInLinuxVM (
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stdenv.mkDerivation {
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inherit name imageId;
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certs = "${cacert}/etc/ssl/certs/ca-bundle.crt";
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builder = ./pull.sh;
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buildInputs = [ curl utillinux docker kmod dhcp cacert e2fsprogs ];
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outputHashAlgo = "sha256";
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outputHash = sha256;
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impureEnvVars = lib.fetchers.proxyImpureEnvVars;
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preVM = vmTools.createEmptyImage {
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size = 2048;
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fullName = "${name}-disk";
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};
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QEMU_OPTS = "-netdev user,id=net0 -device virtio-net-pci,netdev=net0";
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});
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in
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pullImage
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