forked from clan/clan-core
Extend build-clan interface
This commit is contained in:
parent
e44b07df66
commit
c89080deb4
@ -7,11 +7,12 @@ let
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instances = config.clan.services.borgbackup;
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# roles = { ${role_name} :: { machines :: [string] } }
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allClients = lib.foldlAttrs (
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acc: _instanceName: instanceConfig:
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acc
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++ (
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if builtins.elem machineName instanceConfig.roles.server.machines then
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if (builtins.elem machineName instanceConfig.roles.server.machines) then
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instanceConfig.roles.client.machines
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else
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[ ]
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@ -21,7 +22,6 @@ in
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{
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config.services.borgbackup.repos =
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let
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borgbackupIpMachinePath = machines: machineDir + machines + "/facts/borgbackup.ssh.pub";
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machinesMaybeKey = builtins.map (
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machine:
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@ -1,183 +1,87 @@
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{ self, lib, ... }:
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let
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clan-core = self;
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# syncthing_inventory = builtins.fromJSON (builtins.readFile ./src/tests/syncthing.json);
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syncthing_inventory = builtins.fromJSON (builtins.readFile ./src/tests/borgbackup.json);
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machines = machinesFromInventory syncthing_inventory;
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resolveTags =
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# Inventory, { machines :: [string], tags :: [string] }
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inventory: members: {
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machines =
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members.machines or [ ]
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++ (builtins.foldl' (
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acc: tag:
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let
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tagMembers = builtins.attrNames (
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lib.filterAttrs (_n: v: builtins.elem tag v.tags or [ ]) inventory.machines
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);
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in
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# throw "Machine tag ${tag} not found. Not machine with: tag ${tagName} not in inventory.";
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if tagMembers == [ ] then
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throw "Machine tag ${tag} not found. Not machine with: tag ${tag} not in inventory."
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else
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acc ++ tagMembers
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) [ ] members.tags or [ ]);
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};
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/*
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Returns a NixOS configuration for every machine in the inventory.
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machinesFromInventory :: Inventory -> { ${machine_name} :: NixOSConfiguration }
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*/
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machinesFromInventory =
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inventory:
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# For every machine in the inventory, build a NixOS configuration
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# For each machine generate config, forEach service, if the machine is used.
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builtins.mapAttrs (
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machineName: _:
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lib.foldlAttrs (
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# [ Modules ], String, { ${instance_name} :: ServiceConfig }
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acc: moduleName: serviceConfigs:
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acc
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# Collect service config
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++ (lib.foldlAttrs (
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# [ Modules ], String, ServiceConfig
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acc2: instanceName: serviceConfig:
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let
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resolvedRoles = builtins.mapAttrs (
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_roleName: members: resolveTags inventory members
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) serviceConfig.roles;
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isInService = builtins.any (members: builtins.elem machineName members.machines) (
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builtins.attrValues resolvedRoles
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);
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# Inverse map of roles. Allows for easy lookup of roles for a given machine.
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# { ${machine_name} :: [roles]
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inverseRoles = lib.foldlAttrs (
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acc: roleName:
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{ machines }:
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acc
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// builtins.foldl' (
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acc2: machineName: acc2 // { ${machineName} = (acc.${machineName} or [ ]) ++ [ roleName ]; }
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) { } machines
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) { } resolvedRoles;
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machineServiceConfig = (serviceConfig.machines.${machineName} or { }).config or { };
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globalConfig = serviceConfig.config;
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# TODO: maybe optimize this dont lookup the role in inverse roles. Imports are not lazy
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roleModules = builtins.map (
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role:
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let
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path = "${clan-core.clanModules.${moduleName}}/roles/${role}.nix";
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in
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if builtins.pathExists path then
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path
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else
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throw "Role doesnt have a module: ${role}. Path: ${path} not found."
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) inverseRoles.${machineName} or [ ];
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in
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if isInService then
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acc2
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++ [
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{
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imports = [ clan-core.clanModules.${moduleName} ] ++ roleModules;
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config.clan.${moduleName} = lib.mkMerge [
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globalConfig
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machineServiceConfig
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];
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}
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{
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config.clan.services.${moduleName}.${instanceName} = {
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roles = resolvedRoles;
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# inherit inverseRoles;
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};
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}
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]
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else
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acc2
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) [ ] serviceConfigs)
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) [ ] inventory.services
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) inventory.machines;
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in
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{
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inherit clan-core;
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# Extension of the build clan interface
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new_clan = clan-core.lib.buildClan {
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# High level services.
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# If you need multiple instances of a service configure them via:
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# inventory.services.[serviceName].[instanceName] = ...
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services = {
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borbackup = {
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roles.server.machines = [ "vyr" ];
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roles.client.tags = [ "laptop" ];
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machines.vyr = {
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config = {
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# new_clan = clan-core.lib.buildClan {
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# # High level services.
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# # If you need multiple instances of a service configure them via:
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# # inventory.services.[serviceName].[instanceName] = ...
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# services = {
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# borbackup = {
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# roles.server.machines = [ "vyr" ];
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# roles.client.tags = [ "laptop" ];
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# machines.vyr = {
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# config = {
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};
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};
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config = {
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# };
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# };
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# config = {
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};
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};
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};
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# };
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# };
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# };
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# Low level inventory i.e. if you need multiple instances of a service
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# Or if you want to manipulate the created inventory directly.
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inventory.services.borbackup.default = { };
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# # Low level inventory i.e. if you need multiple instances of a service
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# # Or if you want to manipulate the created inventory directly.
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# inventory.services.borbackup.default = { };
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# Machines. each machine can be referenced by its attribute name under services.
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machines = {
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camina = {
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# This is added to machine tags
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clan.tags = [ "laptop" ];
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# These are the inventory machine fields
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clan.meta.description = "";
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clan.meta.name = "";
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clan.meta.icon = "";
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# Config ...
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};
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vyr = {
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# Config ...
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};
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vi = {
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clan.networking.targetHost = "root@78.47.164.46";
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# Config ...
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};
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aya = {
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clan.networking.targetHost = "root@78.47.164.46";
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# Config ...
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};
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ezra = {
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# Config ...
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};
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rianon = {
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# Config ...
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};
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};
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};
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# # Machines. each machine can be referenced by its attribute name under services.
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# machines = {
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# camina = {
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# # This is added to machine tags
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# clan.tags = [ "laptop" ];
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# # These are the inventory machine fields
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# clan.meta.description = "";
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# clan.meta.name = "";
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# clan.meta.icon = "";
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# # Config ...
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# };
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# vyr = {
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# # Config ...
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# };
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# vi = {
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# clan.networking.targetHost = "root@78.47.164.46";
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# # Config ...
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# };
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# aya = {
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# clan.networking.targetHost = "root@78.47.164.46";
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# # Config ...
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# };
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# ezra = {
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# # Config ...
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# };
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# rianon = {
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# # Config ...
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# };
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# };
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# };
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clan = clan-core.lib.buildClan {
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meta.name = "vi's clans";
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meta.name = "sams's clans";
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# Should usually point to the directory of flake.nix
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directory = self;
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# services = {
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# borgbackup = {
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# roles.server.machines = [ "vyr_machine" ];
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# roles.client.tags = [ "laptop" ];
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# };
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# };
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# OR
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inventory = builtins.fromJSON (builtins.readFile ./src/tests/borgbackup.json);
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machines = {
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"vyr_machine" = { };
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"vi_machine" = {
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imports = machines.vi_machine;
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};
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"vyr_machine" = {
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imports = machines.vyr_machine;
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clan.tags = [ "laptop" ];
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};
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"camina_machine" = {
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imports = machines.camina_machine;
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clan.tags = [ "laptop" ];
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clan.meta.name = "camina";
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};
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};
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};
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intern = machines;
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}
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@ -12,10 +12,79 @@
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# DEPRECATED: use meta.icon instead
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clanIcon ? null, # A path to an icon to be used for the clan, should be the same for all machines
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meta ? { }, # A set containing clan meta: name :: string, icon :: string, description :: string
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pkgsForSystem ? (_system: null), # A map from arch to pkgs, if specified this nixpkgs will be only imported once for each system.
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# This improves performance, but all nipxkgs.* options will be ignored.
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# A map from arch to pkgs, if specified this nixpkgs will be only imported once for each system.
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# This improves performance, but all nipxkgs.* options will be ignored.
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pkgsForSystem ? (_system: null),
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/*
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Distributed services configuration.
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This configures a default instance in the inventory with the name "default".
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If you need multiple instances of a service configure them via:
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inventory.services.[serviceName].[instanceName] = ...
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*/
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services ? { },
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/*
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Low level inventory configuration.
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Overrides the services configuration.
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*/
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inventory ? { },
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}:
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let
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_inventory =
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(
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if services != { } && inventory == { } then
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{ services = lib.mapAttrs (_name: value: { default = value; }) services; }
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else if services == { } && inventory != { } then
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inventory
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else if services != { } && inventory != { } then
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throw "Either services or inventory should be set, but not both."
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else
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{ }
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)
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// {
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machines = lib.mapAttrs (
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name: config:
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(lib.attrByPath [
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"clan"
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"meta"
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] { } config)
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// {
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name = (
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lib.attrByPath [
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"clan"
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"meta"
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"name"
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] name config
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);
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tags = lib.attrByPath [
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"clan"
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"tags"
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] [ ] config;
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}
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) machines;
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};
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buildInventory = import ./inventory.nix { inherit lib clan-core; };
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pkgs = import nixpkgs { };
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inventoryFile = builtins.toFile "inventory.json" (builtins.toJSON _inventory);
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# a Derivation that can be forced to validate the inventory
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# It is not used directly here.
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validatedFile = pkgs.stdenv.mkDerivation {
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name = "validated-inventory";
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src = ../../inventory/src;
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buildInputs = [ pkgs.cue ];
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installPhase = ''
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cue vet ${inventoryFile} root.cue -d "#Root"
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cp ${inventoryFile} $out
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'';
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};
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serviceConfigs = buildInventory _inventory;
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deprecationWarnings = [
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(lib.warnIf (
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clanName != null
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@ -98,6 +167,7 @@ let
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clan-core.nixosModules.clanCore
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extraConfig
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(machines.${name} or { })
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{ imports = serviceConfigs.${name} or { }; }
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(
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{
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# Settings
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@ -180,6 +250,7 @@ builtins.deepSeq deprecationWarnings {
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# Evaluated clan meta
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# Merged /clan/meta.json with overrides from buildClan
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meta = mergedMeta;
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inherit _inventory validatedFile;
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# machine specifics
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machines = configsPerSystem;
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106
lib/build-clan/inventory.nix
Normal file
106
lib/build-clan/inventory.nix
Normal file
@ -0,0 +1,106 @@
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# Generate partial NixOS configurations for every machine in the inventory
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# This function is responsible for generating the module configuration for every machine in the inventory.
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{ lib, clan-core }:
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inventory:
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let
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machines = machinesFromInventory inventory;
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resolveTags =
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# Inventory, { machines :: [string], tags :: [string] }
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inventory: members: {
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machines =
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members.machines or [ ]
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++ (builtins.foldl' (
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acc: tag:
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let
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tagMembers = builtins.attrNames (
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lib.filterAttrs (_n: v: builtins.elem tag v.tags or [ ]) inventory.machines
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);
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in
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# throw "Machine tag ${tag} not found. Not machine with: tag ${tagName} not in inventory.";
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if tagMembers == [ ] then
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throw "Machine tag ${tag} not found. Not machine with: tag ${tag} not in inventory."
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else
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acc ++ tagMembers
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) [ ] members.tags or [ ]);
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};
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/*
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Returns a NixOS configuration for every machine in the inventory.
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machinesFromInventory :: Inventory -> { ${machine_name} :: NixOSConfiguration }
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*/
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machinesFromInventory =
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inventory:
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# For every machine in the inventory, build a NixOS configuration
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# For each machine generate config, forEach service, if the machine is used.
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builtins.mapAttrs (
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machineName: _:
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lib.foldlAttrs (
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# [ Modules ], String, { ${instance_name} :: ServiceConfig }
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acc: moduleName: serviceConfigs:
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acc
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# Collect service config
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++ (lib.foldlAttrs (
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# [ Modules ], String, ServiceConfig
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acc2: instanceName: serviceConfig:
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let
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resolvedRoles = builtins.mapAttrs (
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_roleName: members: resolveTags inventory members
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) serviceConfig.roles;
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isInService = builtins.any (members: builtins.elem machineName members.machines) (
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builtins.attrValues resolvedRoles
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);
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# Inverse map of roles. Allows for easy lookup of roles for a given machine.
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# { ${machine_name} :: [roles]
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inverseRoles = lib.foldlAttrs (
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acc: roleName:
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{ machines }:
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acc
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// builtins.foldl' (
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acc2: machineName: acc2 // { ${machineName} = (acc.${machineName} or [ ]) ++ [ roleName ]; }
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) { } machines
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) { } resolvedRoles;
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machineServiceConfig = (serviceConfig.machines.${machineName} or { }).config or { };
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globalConfig = serviceConfig.config or { };
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# TODO: maybe optimize this dont lookup the role in inverse roles. Imports are not lazy
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roleModules = builtins.map (
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role:
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let
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path = "${clan-core.clanModules.${moduleName}}/roles/${role}.nix";
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in
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if builtins.pathExists path then
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path
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else
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throw "Role doesnt have a module: ${role}. Path: ${path} not found."
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) inverseRoles.${machineName} or [ ];
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in
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if isInService then
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acc2
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++ [
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{
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imports = [ clan-core.clanModules.${moduleName} ] ++ roleModules;
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config.clan.${moduleName} = lib.mkMerge [
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globalConfig
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machineServiceConfig
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];
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}
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{
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config.clan.services.${moduleName}.${instanceName} = {
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roles = resolvedRoles;
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# TODO: Add inverseRoles to the service config if needed
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# inherit inverseRoles;
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};
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}
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]
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else
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acc2
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) [ ] serviceConfigs)
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) [ ] inventory.services
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) inventory.machines;
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in
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machines
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@ -16,5 +16,6 @@
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./zerotier
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# Inventory
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./inventory/interface.nix
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./meta/interface.nix
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];
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}
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|
@ -30,6 +30,7 @@ let
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in
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{
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# clan.inventory.${moduleName}.${instanceName} = { ... }
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# TODO: resolve clash with clan.services.waypipe
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options.clan.services = lib.mkOption {
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type = lib.types.attrsOf (lib.types.attrsOf instanceOptions);
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};
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10
nixosModules/clanCore/meta/interface.nix
Normal file
10
nixosModules/clanCore/meta/interface.nix
Normal file
@ -0,0 +1,10 @@
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{ lib, ... }:
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let
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optStr = lib.types.nullOr lib.types.str;
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in
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{
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options.clan.meta.name = lib.mkOption { type = lib.types.str; };
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options.clan.meta.description = lib.mkOption { type = optStr; };
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options.clan.meta.icon = lib.mkOption { type = optStr; };
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options.clan.tags = lib.mkOption { type = lib.types.listOf lib.types.str; };
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}
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