Files
clan-core/lib/modules/inventoryClass/builder/roles.nix

66 lines
1.7 KiB
Nix

{
lib,
config,
resolveTags,
inventory,
clanLib,
machineName,
serviceConfigs,
...
}:
let
serviceName = config.serviceName;
in
{
# Roles resolution
# : List String
supportedRoles = clanLib.modules.getRoles "inventory.modules" inventory.modules serviceName;
matchedRoles = builtins.attrNames (
lib.filterAttrs (_: ms: builtins.elem machineName ms) config.machinesRoles
);
resolvedRolesPerInstance = lib.mapAttrs (
instanceName: instanceConfig:
let
resolvedRoles = lib.genAttrs config.supportedRoles (
roleName:
resolveTags {
members = instanceConfig.roles.${roleName} or { };
inherit
instanceName
serviceName
roleName
inventory
;
}
);
usedRoles = builtins.attrNames instanceConfig.roles;
unmatchedRoles = builtins.filter (role: !builtins.elem role config.supportedRoles) usedRoles;
in
if unmatchedRoles != [ ] then
throw ''
Roles ${builtins.toJSON unmatchedRoles} are not defined in the service ${serviceName}.
Instance: '${instanceName}'
Please use one of available roles: ${builtins.toJSON config.supportedRoles}
''
else
resolvedRoles
) serviceConfigs;
machinesRoles = builtins.zipAttrsWith (
_n: vs:
let
flat = builtins.foldl' (acc: s: acc ++ s.machines) [ ] vs;
in
lib.unique flat
) (builtins.attrValues config.resolvedRolesPerInstance);
assertions = lib.concatMapAttrs (
instanceName: resolvedRoles:
clanLib.modules.checkConstraints {
moduleName = serviceName;
allModules = inventory.modules;
inherit resolvedRoles instanceName;
}
) config.resolvedRolesPerInstance;
}