a8119d7a1b
The Pi-hole image information is now contained in separate nix files per architecture `pihole-image-info.ARCH.nix`. When updating these files with `update-pihole-image-info` the respective docker images are prefetched and the sha256 sum needed for the build are automatically included in the nix files.
82 lines
2.6 KiB
Nix
82 lines
2.6 KiB
Nix
{
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description = "A NixOS flake providing a Pi-hole container & NixOS module for running it in a (rootless) podman container.";
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inputs = {
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nixpkgs.url = "nixpkgs/nixpkgs-unstable";
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flake-utils.url = "github:numtide/flake-utils";
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linger = {
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url = "github:mindsbackyard/linger-flake";
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inputs.flake-utils.follows = "flake-utils";
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};
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};
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outputs = { self, nixpkgs, flake-utils, linger }: with flake-utils.lib; eachSystem (with system; [ x86_64-linux aarch64-linux ]) (curSystem:
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let
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pkgs = nixpkgs.legacyPackages.${curSystem};
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imageInfo = {
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${system.x86_64-linux}.pihole = import ./pihole-image-info.amd64.nix;
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${system.aarch64-linux}.pihole = import ./pihole-image-info.arm64.nix;
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};
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piholeImage = pkgs.dockerTools.pullImage imageInfo.${curSystem}.pihole;
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in {
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packages = {
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inherit piholeImage;
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default = piholeImage;
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};
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nixosModules.default = (import ./modules/pihole-container.factory.nix) {
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piholeFlake = self;
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lingerFlake = linger;
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};
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devShells.default = let
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imageName = "pihole/pihole";
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updatePiholeImageInfoScript = pkgs.writeShellScriptBin "update-pihole-image-info" ''
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while [[ $# -gt 0 ]]; do
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case $1 in
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--arch)
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ARCH="$2"
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if [[ ($ARCH != 'amd64') && ($ARCH != 'arm64') ]]; then
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echo '--arch must be either "amd64" or "arm64"'
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exit 1
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fi
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shift # past argument
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shift # past value
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;;
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*)
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echo "Unknown option $1"
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exit 1
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;;
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esac
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done
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if [[ -z "$ARCH" ]]; then
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echo 'You must provide the "--arch [amd64|arm64]" option to specify which Pi-hole image should be updated.'
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exit 1
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fi
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INSPECT_RESULT=`skopeo inspect "docker://${imageName}:latest"`
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IMAGE_DIGEST=`echo $INSPECT_RESULT | jq '.Digest'`
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LATEST_LABEL=`echo $INSPECT_RESULT | jq '.Labels."org.opencontainers.image.version"'`
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IMAGE_INFO=`nix-prefetch-docker --os linux --arch "$ARCH" --image-name '${imageName}' --image-digest "$IMAGE_DIGEST" --final-image-tag "$LATEST_LABEL"`
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echo "$IMAGE_INFO" >"pihole-image-info.$ARCH.nix"
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'';
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in pkgs.mkShell {
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packages = with pkgs; [
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dig
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skopeo
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jq
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nix-prefetch-docker
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updatePiholeImageInfoScript
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];
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};
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}
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);
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}
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