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Inventory: add system and sample machine

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This commit is contained in:
Johannes Kirschbauer
2024-07-01 21:16:52 +02:00
parent c87aa41ced
commit 4363544672
7 changed files with 229 additions and 28 deletions
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8
lib/inventory/build-inventory/default.nix
View File

@@ -40,7 +40,7 @@ let
# For every machine in the inventory, build a NixOS configuration
# For each machine generate config, forEach service, if the machine is used.
builtins.mapAttrs (
machineName: _:
machineName: machineConfig:
lib.foldlAttrs (
# [ Modules ], String, { ${instance_name} :: ServiceConfig }
acc: moduleName: serviceConfigs:
@@ -106,6 +106,12 @@ let
acc2
) [ ] serviceConfigs)
) [ ] inventory.services
# Append each machine config
++ [
(lib.optionalAttrs (machineConfig.system or null != null) {
config.nixpkgs.hostPlatform = machineConfig.system;
})
]
) inventory.machines or { };
in
machines

49
lib/inventory/build-inventory/interface.nix
View File

@@ -41,23 +41,34 @@ in
internal = true;
default = [ ];
};
config.assertions = lib.foldlAttrs (
ass1: serviceName: c:
ass1
++ lib.foldlAttrs (
ass2: instanceName: instanceConfig:
let
serviceMachineNames = lib.attrNames instanceConfig.machines;
topLevelMachines = lib.attrNames config.machines;
# All machines must be defined in the top-level machines
assertions = builtins.map (m: {
assertion = builtins.elem m topLevelMachines;
message = "${serviceName}.${instanceName}.machines.${m}. Should be one of [ ${builtins.concatStringsSep " | " topLevelMachines} ]";
}) serviceMachineNames;
in
ass2 ++ assertions
) [ ] c
) [ ] config.services;
config.assertions =
let
serviceAssertions = lib.foldlAttrs (
ass1: serviceName: c:
ass1
++ lib.foldlAttrs (
ass2: instanceName: instanceConfig:
let
serviceMachineNames = lib.attrNames instanceConfig.machines;
topLevelMachines = lib.attrNames config.machines;
# All machines must be defined in the top-level machines
assertions = builtins.map (m: {
assertion = builtins.elem m topLevelMachines;
message = "${serviceName}.${instanceName}.machines.${m}. Should be one of [ ${builtins.concatStringsSep " | " topLevelMachines} ]";
}) serviceMachineNames;
in
ass2 ++ assertions
) [ ] c
) [ ] config.services;
machineAssertions = map (
{ name, value }:
{
assertion = true;
message = "Machine ${name} should define its host system in the inventory. ()";
}
) (lib.attrsToList (lib.filterAttrs (_n: v: v.system or null == null) config.machines));
in
machineAssertions ++ serviceAssertions;
options.meta = metaOptions;
@@ -72,6 +83,10 @@ in
apply = lib.unique;
type = t.listOf t.str;
};
system = lib.mkOption {
default = null;
type = t.nullOr t.str;
};
};
}
);