Qubasa/clan-core
1
0
Fork 0
forked from clan/clan-core
Code Pull Requests Activity

lib: add fact loaders to clan lib

Browse Source
This commit is contained in:
a-kenji 2024-07-02 11:26:50 +02:00 committed by kenji
parent f228239834
commit 1a969d884e
2 changed files with 27 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/default.nix
View File

@ -6,8 +6,9 @@
}:
{
evalClanModules = import ./eval-clan-modules { inherit clan-core nixpkgs lib; };
buildClan = import ./build-clan { inherit clan-core lib nixpkgs; };
facts = import ./facts.nix { inherit lib; };
inventory = import ./inventory { inherit lib clan-core; };
jsonschema = import ./jsonschema { inherit lib; };
modules = import ./description.nix { inherit clan-core lib; };
buildClan = import ./build-clan { inherit clan-core lib nixpkgs; };
}

42
lib/facts.nix
View File

@ -1,19 +1,17 @@
{ lib, machineDir, ... }:
{ lib, ... }:
machineDir:
let
allMachineNames = lib.mapAttrsToList (name: _: name) (builtins.readDir machineDir);
getFactPath = fact: machine:
"${machineDir}/${machine}/facts/${fact}";
getFactPath = fact: machine: "${machineDir}/${machine}/facts/${fact}";
readFact = fact: machine:
readFact =
fact: machine:
let
path = getFactPath fact machine;
in
if builtins.pathExists path then
builtins.readFile path
else
null;
if builtins.pathExists path then builtins.readFile path else null;
# Example:
#
@ -22,7 +20,8 @@ let
# machineA = "1.2.3.4";
# machineB = "5.6.7.8";
# };
readFactFromAllMachines = fact:
readFactFromAllMachines =
fact:
let
machines = allMachineNames;
facts = lib.genAttrs machines (readFact fact);
@ -47,18 +46,27 @@ let
# "synching.pub" = "23456719";
# };
# };
readFactsFromAllMachines = facts:
readFactsFromAllMachines =
facts:
let
# machine -> fact -> factvalue
machinesFactsAttrs = lib.genAttrs allMachineNames (machine: lib.genAttrs facts (fact: readFact fact machine));
machinesFactsAttrs = lib.genAttrs allMachineNames (
machine: lib.genAttrs facts (fact: readFact fact machine)
);
# remove all machines which don't have all facts set
filteredMachineFactAttrs =
lib.filterAttrs (_machine: values: builtins.all (fact: values.${fact} != null) facts)
machinesFactsAttrs;
filteredMachineFactAttrs = lib.filterAttrs (
_machine: values: builtins.all (fact: values.${fact} != null) facts
) machinesFactsAttrs;
in
filteredMachineFactAttrs;
in
{ inherit allMachineNames getFactPath readFact readFactFromAllMachines readFactsFromAllMachines; }
{
inherit
allMachineNames
getFactPath
readFact
readFactFromAllMachines
readFactsFromAllMachines
;
}