108 lines
3.6 KiB
Nix
108 lines
3.6 KiB
Nix
{ config, lib, ... }:
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let
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cfg = config.custom.impermanence;
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in
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{
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options.custom.impermanence = {
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enable = lib.mkEnableOption "impermanence";
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base = lib.mkOption {
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type = lib.types.str;
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default = "/data";
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};
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cache = {
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enable = lib.mkEnableOption "impermanence.cache";
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path = lib.mkOption {
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type = lib.types.str;
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default = "/cache";
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};
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};
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users = lib.mkOption {
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type = with lib.types; listOf str;
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default = [ "root" config.custom.user ];
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};
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userExtraFiles = lib.mkOption {
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type = with lib.types; attrsOf (listOf str);
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default = { };
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};
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userExtraDirs = lib.mkOption {
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type = with lib.types; attrsOf (listOf str);
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default = { };
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};
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};
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config = lib.mkIf cfg.enable {
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fileSystems.${cfg.base}.neededForBoot = true;
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services = {
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openssh.hostKeys = [
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{ path = "/data/system/etc/ssh/ssh_host_ed25519_key"; type = "ed25519"; }
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{ path = "/data/system/etc/ssh/ssh_host_rsa_key"; type = "rsa"; bits = 4096; }
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];
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matrix-synapse.dataDir = "${cfg.base}/system/var/lib/matrix-synapse";
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gitea.stateDir = "${cfg.base}/system/var/lib/gitea";
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};
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environment.persistence = lib.mkMerge [
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{
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"${cfg.base}/system" = {
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hideMounts = true;
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directories = [
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"/etc/nixos"
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] ++ (lib.lists.optional config.services.tailscale.enable "/var/lib/tailscale") ++
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(lib.lists.optional config.services.zigbee2mqtt.enable config.services.zigbee2mqtt.dataDir) ++
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(lib.lists.optional config.services.postgresql.enable config.services.postgresql.dataDir) ++
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(lib.lists.optional config.hardware.bluetooth.enable "/var/lib/bluetooth") ++
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(lib.lists.optional config.custom.services.unifi.enable "/var/lib/unifi") ++
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(lib.lists.optional (config.virtualisation.oci-containers.containers != { }) "/var/lib/containers") ++
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(lib.lists.optional config.services.tang.enable "/var/lib/private/tang") ++
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(lib.lists.optional config.services.caddy.enable "/var/lib/caddy") ++
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(lib.lists.optional config.services.prometheus.enable "/var/lib/${config.services.prometheus.stateDir}") ++
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(lib.lists.optional config.custom.services.isponsorblocktv.enable "${config.custom.services.isponsorblocktv.dataDir}") ++
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(lib.lists.optional config.services.step-ca.enable "/var/lib/step-ca/db");
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};
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}
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(lib.mkIf cfg.cache.enable {
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"${cfg.cache.path}/system" = {
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hideMounts = true;
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directories = (lib.lists.optional config.services.postgresqlBackup.enable config.services.postgresqlBackup.location);
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};
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})
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];
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home-manager.users =
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let
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mkUser = (x: {
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name = x;
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value = {
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home = {
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persistence."/data/users/${x}" = {
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allowOther = false;
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files = cfg.userExtraFiles.${x} or [ ];
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directories = cfg.userExtraDirs.${x} or [ ];
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};
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file.".zshrc".text = lib.mkForce ''
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HISTFILE=/data/users/${x}/.zsh_history
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'';
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};
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};
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});
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in
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builtins.listToAttrs (builtins.map mkUser cfg.users);
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systemd.tmpfiles.rules = lib.lists.flatten (builtins.map
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(user:
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let details = config.users.users.${user}; in [
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"d /data/users/${user} 0700 ${user} ${details.group} - -"
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"L ${details.home}/local - ${user} ${details.group} - /data/users/${user}"
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])
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cfg.users);
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};
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}
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