136 lines
3.5 KiB
Nix
136 lines
3.5 KiB
Nix
{
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arion,
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config,
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lib,
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pkgs,
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...
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}: let
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inherit
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(lib)
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filterAttrs
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hasAttr
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mapAttrs
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mkEnableOption
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mkForce
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mkIf
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mkOption
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optionalAttrs
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types
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;
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inherit (config.vars) mainUser;
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cfg = config.arion;
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in {
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imports = [arion.nixosModules.arion];
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options.arion = {
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enable = mkEnableOption "My custom arion config layer module";
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rwDataDir = mkOption {
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default = "/var/lib/arion";
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type = types.str;
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description = ''
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Directory to place persistent data in
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'';
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};
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projects = mkOption {
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default = {};
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description = ''
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Declarative specification of docker-compose in nix.
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'';
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type = types.attrs;
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};
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};
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config = mkIf cfg.enable {
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users.extraUsers.${mainUser}.extraGroups = ["docker"];
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virtualisation = {
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docker = {
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enable = true;
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storageDriver = "btrfs";
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};
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arion = {
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backend = "docker";
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projects =
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mapAttrs (n: v: {
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# https://docs.hercules-ci.com/arion/options
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settings = {
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enableDefaultNetwork = v.enableDefaultNetwork or true;
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networks =
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optionalAttrs (hasAttr "networks" v)
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v.networks;
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services =
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mapAttrs (n': v': {
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# https://github.com/hercules-ci/arion/issues/169#issuecomment-1301370634
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build.image = let
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importImage = file: pkgs.callPackage file pkgs;
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in
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mkForce (importImage v'.image);
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service =
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(filterAttrs (attrName: _:
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attrName != "image" && attrName != "extraOptions")
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v')
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# By default set the container_name to the attrset's name
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// (optionalAttrs (! hasAttr "container_name" v') {
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container_name = n';
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});
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out.service =
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optionalAttrs
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(hasAttr "extraOptions" v')
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v'.extraOptions;
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})
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v;
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};
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})
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cfg.projects;
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};
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};
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# Script for updating the images of all images of a compose.nix file
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environment.systemPackages = with pkgs; [
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(writeShellApplication {
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name = "updateImages";
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runtimeInputs = [
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(writeShellApplication {
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name = "pullImage";
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runtimeInputs = [nix-prefetch-docker skopeo];
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text = ''
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FILE="$1"
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IMAGE=$(sed -n 's/.*imageName = "\([^"]*\).*/\1/p' "$FILE")
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TAG=$(sed -n 's/.*finalImageTag = "\([^"]*\).*/\1/p' "$FILE")
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CURRENT_DIGEST=$(sed -n 's/.*imageDigest = "\([^"]*\).*/\1/p' "$FILE")
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NEW_DIGEST=$(skopeo inspect "docker://$IMAGE:$TAG" | jq '.Digest' -r)
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echo "$IMAGE $TAG"
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if ! grep "Locked" "$FILE"; then
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if [[ "$CURRENT_DIGEST" == "$NEW_DIGEST" ]]; then
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echo "Already up-to-date"
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else
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PREFETCH=$(nix-prefetch-docker "$IMAGE" "$TAG")
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echo -e "pkgs:\npkgs.dockerTools.pullImage $PREFETCH" > "$FILE"
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fi
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fi
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'';
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})
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];
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text = ''
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DIR=''${1:-"."}
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find "$DIR"/images -type f -exec pullImage {} \;
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'';
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})
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];
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};
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}
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