nixos-configs/modules/arion/default.nix

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{
arion,
config,
lib,
pkgs,
...
}: let
inherit
(lib)
filterAttrs
hasAttr
mapAttrs
mkEnableOption
mkForce
mkIf
mkOption
optionalAttrs
types
;
inherit (config.vars) mainUser;
cfg = config.arion;
in {
imports = [arion.nixosModules.arion];
options.arion = {
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enable = mkEnableOption "My custom arion config layer module";
rwDataDir = mkOption {
default = "/var/lib/arion";
type = types.str;
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description = ''
Directory to place persistent data in
'';
};
projects = mkOption {
default = {};
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description = ''
Declarative specification of docker-compose in nix.
'';
type = types.attrs;
};
};
config = mkIf cfg.enable {
users.extraUsers.${mainUser}.extraGroups = ["docker"];
virtualisation = {
docker = {
enable = true;
storageDriver = "btrfs";
};
arion = {
backend = "docker";
projects =
mapAttrs (n: v: {
# https://docs.hercules-ci.com/arion/options
settings = {
enableDefaultNetwork = v.enableDefaultNetwork or true;
networks =
optionalAttrs (hasAttr "networks" v)
v.networks;
services =
mapAttrs (n': v': {
# https://github.com/hercules-ci/arion/issues/169#issuecomment-1301370634
build.image = let
importImage = file: pkgs.callPackage file pkgs;
in
mkForce (importImage v'.image);
service =
(filterAttrs (attrName: _:
attrName != "image" && attrName != "extraOptions")
v')
# By default set the container_name to the attrset's name
// (optionalAttrs (! hasAttr "container_name" v') {
container_name = n';
});
out.service =
optionalAttrs
(hasAttr "extraOptions" v')
v'.extraOptions;
})
v;
};
})
cfg.projects;
};
};
# Script for updating the images of all images of a compose.nix file
environment.systemPackages = with pkgs; [
(callPackage ./updateImage.nix {})
];
};
}