123 lines
3.8 KiB
Nix
123 lines
3.8 KiB
Nix
args @ {
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lib,
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pkgs,
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config,
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...
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}: let
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datasetSubmodule = (import ./submodules/dataset.nix) args;
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in {
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options.storage = {
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zfs = {
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enable = lib.mkEnableOption "Should zfs be enabled on this system.";
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notifications = {
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enable = lib.mkEnableOption "are notifications enabled";
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host = lib.mkOption {
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type = lib.types.str;
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description = "what is the host that we are going to send the email to";
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};
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port = lib.mkOption {
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type = lib.types.port;
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description = "what port is the host using to receive mail on";
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};
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to = lib.mkOption {
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type = lib.types.str;
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description = "what account is the email going to be sent to";
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};
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user = lib.mkOption {
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type = lib.types.str;
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description = "what user is the email going to be set from";
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};
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tokenFile = lib.mkOption {
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type = lib.types.str;
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description = "file containing the password to be used by msmtp for notifications";
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};
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};
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pool = let
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deviceType =
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lib.types.coercedTo lib.types.str (device: {
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device = device;
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boot = false;
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}) {
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device = lib.mkOption {
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type = lib.types.str;
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};
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boot = lib.mkEnableOption "should this device be a boot device";
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};
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in {
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encryption = lib.mkEnableOption "Should encryption be enabled on this pool.";
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vdevs = lib.mkOption {
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type = lib.types.listOf deviceType;
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default = [];
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};
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cache = lib.mkOption {
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type = lib.types.attrsOf deviceType;
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};
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};
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# TODO: create the root dataset automatically
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# TODO: dataset option that is a submodule that adds datasets to the system
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# warnings for when a dataset was created in the past on a system but it is now missing some of the options defined for it
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datasets = lib.mkOption {
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type = lib.types.attrsOf (lib.types.submodule datasetSubmodule);
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};
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};
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};
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config = lib.mkIf config.storage.zfs.enable (lib.mkMerge [
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{
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services.zfs = {
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autoScrub.enable = true;
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autoSnapshot.enable = true;
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};
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# TODO: post activation script that makes sure that our configured pool match the pool that exist on the system
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# TODO: validation that we have a boot drive
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# TODO: disko config mapping
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}
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(lib.mkIf config.storage.zfs.notifications.enable {
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programs.msmtp = {
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enable = true;
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setSendmail = true;
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defaults = {
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aliases = "/etc/aliases";
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port = config.storage.zfs.notifications.port;
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tls_trust_file = "/etc/ssl/certs/ca-certificates.crt";
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tls = "on";
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auth = "login";
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tls_starttls = "off";
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};
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accounts = {
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zfs_notifications = {
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auth = true;
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tls = true;
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host = config.storage.zfs.notifications.host;
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passwordeval = "cat ${config.storage.zfs.notifications.tokenFile}";
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user = config.storage.zfs.notifications.user;
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from = config.storage.zfs.notifications.user;
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};
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};
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};
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services.zfs = {
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zed = {
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enableMail = true;
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settings = {
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ZED_DEBUG_LOG = "/tmp/zed.debug.log";
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ZED_EMAIL_ADDR = [config.storage.zfs.notifications.to];
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ZED_EMAIL_PROG = "${pkgs.msmtp}/bin/msmtp";
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ZED_EMAIL_OPTS = "-a zfs_notifications @ADDRESS@";
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ZED_NOTIFY_INTERVAL_SECS = 3600;
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ZED_NOTIFY_VERBOSE = true;
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ZED_USE_ENCLOSURE_LEDS = true;
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ZED_SCRUB_AFTER_RESILVER = true;
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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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