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kat witch 2021-08-09 02:18:12 +01:00
parent d8b3918a8f
commit fbaacf54ed
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15 changed files with 42 additions and 46 deletions
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31
default.nix
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@ -10,23 +10,16 @@ let
/*
This is used to generate specialArgs + the like. It works as such:
* A <argGenName> can exist at config/<argGenName>.
* A <argGenName> can exist at config/trusted/<argGenName>.
* A <depotName> can exist at config/<depotName>.
* A <depotName> can exist at config/trusted/<depotName>.
If only one exists, the path for that one is returned.
Otherwise a module is generated which contains both import paths.
*/
argGenNames = [ "profiles" "users" "targets" "services" ];
argGen = lib.mapListToAttrs (folder: lib.nameValuePair folder (lib.domainMerge { inherit folder; })) argGenNames;
/*
This produces an attrSet of hosts based upon:
* hosts being located within config/hosts/<hostname>
* hosts having an entrypoint of meta.nix
*/
hosts = lib.domainMerge {
folder = "hosts";
defaultFile = "meta.nix";
};
filterAttrNamesToList = filter: set:
lib.foldl' (a: b: a ++ b) [ ]
(map (e: if (filter e set.${e}) then [ e ] else [ ]) (lib.attrNames set));
depotNames = lib.unique ((filterAttrNamesToList (name: type: name != "trusted" && type == "directory") (builtins.readDir ./config)) ++ (filterAttrNamesToList (name: type: name != "trusted" && name != "pkgs" && type == "directory") (builtins.readDir ./config/trusted)));
depot = lib.mapListToAttrs (folder: lib.nameValuePair folder (lib.domainMerge { inherit folder; })) depotNames;
/*
We use this to make the meta runner use this file and to use `--show-trace` on nix-builds.
@ -39,14 +32,14 @@ let
# This is where the meta config is evaluated.
eval = lib.evalModules {
modules = lib.singleton metaConfig
++ lib.attrValues (removeAttrs argGen.targets ["common"])
++ lib.attrValues hosts
++ lib.attrValues (removeAttrs depot.targets ["common"])
++ lib.attrValues depot.hosts
++ lib.optional (builtins.pathExists ./config/trusted/meta.nix) ./config/trusted/meta.nix
++ lib.singleton ./config/modules/meta/default.nix;
specialArgs = {
inherit sources;
inherit (argGen) profiles users services;
inherit depot;
};
};
@ -55,7 +48,7 @@ let
/*
Please note all specialArg generated specifications use the folder common to both import paths.
Those import paths are as mentioned above next to `argGenNames`.
Those import paths are as mentioned above next to `depotNames`.
This provides us with a ./. that contains (most relevantly):
* deploy.targets -> a mapping of target name to host names
@ -66,4 +59,4 @@ let
* do not use common, it is tf-nix specific config ingested at line 66 of config/modules/meta/deploy.nix for every target.
* services -> the specialArg generated from services/
*/
in config // { inherit pkgs hosts sourceCache sources; } // argGen
in config // { inherit pkgs lib sourceCache sources; } // depot