my nix configs for my servers and desktop

add headscale and syncthing

Changed files
+533 -29
home
regent
hosts
buer
focalor
modules
headscale
syncthing
secrets
+25 -25
flake.lock
···
"systems": "systems"
},
"locked": {
-
"lastModified": 1747575206,
-
"narHash": "sha256-NwmAFuDUO/PFcgaGGr4j3ozG9Pe5hZ/ogitWhY+D81k=",
+
"lastModified": 1750173260,
+
"narHash": "sha256-9P1FziAwl5+3edkfFcr5HeGtQUtrSdk/MksX39GieoA=",
"owner": "ryantm",
"repo": "agenix",
-
"rev": "4835b1dc898959d8547a871ef484930675cb47f1",
+
"rev": "531beac616433bac6f9e2a19feb8e99a22a66baf",
"type": "github"
},
"original": {
···
"nixpkgs": "nixpkgs_2"
},
"locked": {
-
"lastModified": 1750013871,
-
"narHash": "sha256-UQx3rC3QDjD/sIen51+5Juk1rqN3y/sTeMY1WinmhqQ=",
+
"lastModified": 1751021896,
+
"narHash": "sha256-L9u68mNPPiuW7+OV5BKbXaj/AENTiiuEx8+QnMBjRlU=",
"owner": "catppuccin",
"repo": "nix",
-
"rev": "fe78fa558d6603481c03eb03a946eadb970d1801",
+
"rev": "a6b0e34d083c79f08efabb1fd6ccf12b882daae6",
"type": "github"
},
"original": {
···
]
},
"locked": {
-
"lastModified": 1750127463,
-
"narHash": "sha256-K2xFtlD3PcKAZriOE3LaBLYmVfGQu+rIF4Jr1RFYR0Q=",
+
"lastModified": 1751384836,
+
"narHash": "sha256-7xRbl/VLXxE5DzJmk1wdKWJmPx8rAfNC/a6mXtqp5cc=",
"owner": "nix-community",
"repo": "home-manager",
-
"rev": "28eef8722d1af18ca13e687dbf485e1c653a0402",
+
"rev": "479f8889675770881033878a1c114fbfc6de7a4d",
"type": "github"
},
"original": {
···
"spectrum": "spectrum"
},
"locked": {
-
"lastModified": 1750196518,
-
"narHash": "sha256-HJYnJg3TvzFZjVgYHZgH3NtwqkqKiGVCJXpZlO4Y4EE=",
+
"lastModified": 1750358184,
+
"narHash": "sha256-17EYMeY5v8KRk9HW6Z4dExY8Wg4y/zM2eM2wbbx+vMs=",
"owner": "astro",
"repo": "microvm.nix",
-
"rev": "094da86a3e68f2f0d93b654e97b5d42398ead67d",
+
"rev": "fd9f5dba1ffee5ad6f29394b2a9e4c66c1ce77dc",
"type": "github"
},
"original": {
···
},
"nixos-hardware": {
"locked": {
-
"lastModified": 1750083401,
-
"narHash": "sha256-ynqbgIYrg7P1fAKYqe8I/PMiLABBcNDYG9YaAP/d/C4=",
+
"lastModified": 1751393906,
+
"narHash": "sha256-I1x6K61ZcdFlqc07weRBy3erCAB0lVkX10i0c9eXjDI=",
"owner": "nixos",
"repo": "nixos-hardware",
-
"rev": "61837d2a33ccc1582c5fabb7bf9130d39fee59ad",
+
"rev": "f49bb3b4107a0917ee144337bb02d311033ee1ba",
"type": "github"
},
"original": {
···
},
"nixpkgs_3": {
"locked": {
-
"lastModified": 1750005367,
-
"narHash": "sha256-h/aac1dGLhS3qpaD2aZt25NdKY7b+JT0ZIP2WuGsJMU=",
+
"lastModified": 1751271578,
+
"narHash": "sha256-P/SQmKDu06x8yv7i0s8bvnnuJYkxVGBWLWHaU+tt4YY=",
"owner": "nixos",
"repo": "nixpkgs",
-
"rev": "6c64dabd3aa85e0c02ef1cdcb6e1213de64baee3",
+
"rev": "3016b4b15d13f3089db8a41ef937b13a9e33a8df",
"type": "github"
},
"original": {
"owner": "nixos",
-
"ref": "nixos-25.05",
+
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
···
"nixpkgs": "nixpkgs_4"
},
"locked": {
-
"lastModified": 1729422940,
-
"narHash": "sha256-DlvJv33ml5UTKgu4b0HauOfFIoDx6QXtbqUF3vWeRCY=",
+
"lastModified": 1750353031,
+
"narHash": "sha256-Bx7DOPLhkr8Z60U9Qw4l0OidzHoqLDKQH5rDV5ef59A=",
"owner": "nix-community",
"repo": "nixos-vscode-server",
-
"rev": "8b6db451de46ecf9b4ab3d01ef76e59957ff549f",
+
"rev": "4ec4859b12129c0436b0a471ed1ea6dd8a317993",
"type": "github"
},
"original": {
···
]
},
"locked": {
-
"lastModified": 1750091187,
-
"narHash": "sha256-mjAol6qR+onnZwLUdYjmuBr/tnyozUBXz75tSePVU00=",
+
"lastModified": 1751383329,
+
"narHash": "sha256-52dUY8jEkuXEIZINYb+AVsrmw6FxMhBAG3K9J/2qiSo=",
"owner": "0xc000022070",
"repo": "zen-browser-flake",
-
"rev": "cfdf98dac59a42e1642c533a5dbfb5bb242903b3",
+
"rev": "f29a4fece3b76c3e4579d67e2cf0cb8037f6a351",
"type": "github"
},
"original": {
+3 -1
flake.nix
···
# flake.nix
{
inputs = {
-
nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
+
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
nixos-hardware.url = "github:nixos/nixos-hardware/master";
lix-module = {
···
system = "x86_64-linux";
};
}
+
+
{ imports = builtins.attrValues nixosModules; }
];
};
+1
home/regent/home.nix
···
output = [
"HDMI-A-1"
"DP-1"
+
"DP-2"
];
modules-left = [
"sway/workspaces"
-3
hosts/buer/default.nix
···
virtualisation.docker = {
enable = true;
enableOnBoot = true;
-
package = pkgs.docker.override {
-
buildGoModule = pkgs.buildGo123Module;
-
};
};
# =============================================================================
+6
hosts/focalor/default.nix
···
../../host-secrets.nix
];
+
modules.syncthing = {
+
enable = true;
+
openDefaultPorts = true;
+
disableDefaultFolder = true;
+
};
+
# =============================================================================
# SYSTEM CONFIGURATION
# =============================================================================
+229
modules/headscale/default.nix
···
+
{ config, lib, pkgs, ... }:
+
+
with lib;
+
let
+
cfg = config.modules.headscale;
+
in
+
{
+
options = {
+
modules = {
+
headscale = {
+
enable = mkEnableOption "Deploy headscale";
+
+
oidcClientSecretPath = mkOption {
+
type = types.str;
+
default = "/etc/headscale/oidc_client_secret.key";
+
description = "Path to OIDC client secret file";
+
example = "config.age.secrets.headscale-oidc-key.path";
+
};
+
+
litestream = {
+
enable = mkEnableOption "Enable litestream for headscale database backups";
+
+
replicas = mkOption {
+
type = types.listOf (types.attrsOf types.anything);
+
default = [];
+
description = "List of litestream replica configurations";
+
example = [
+
{
+
url = "s3://your-backup-bucket/headscale/db";
+
access-key-id = "$LITESTREAM_ACCESS_KEY_ID";
+
secret-access-key = "$LITESTREAM_SECRET_ACCESS_KEY";
+
region = "us-east-1";
+
}
+
];
+
};
+
+
backupPath = mkOption {
+
type = types.nullOr types.str;
+
default = null;
+
description = "Local backup path (alternative to S3)";
+
example = "/backup/headscale";
+
};
+
+
syncInterval = mkOption {
+
type = types.str;
+
default = "1s";
+
description = "How often to sync to replicas";
+
};
+
+
retention = mkOption {
+
type = types.str;
+
default = "72h";
+
description = "How long to retain snapshots";
+
};
+
+
environmentFile = mkOption {
+
type = types.nullOr types.path;
+
default = null;
+
description = "Environment file containing S3 credentials (can be agenix secret)";
+
example = "config.age.secrets.litestream-env.path";
+
};
+
};
+
};
+
};
+
};
+
+
config = mkIf cfg.enable {
+
services.headscale = {
+
enable = true;
+
address = "0.0.0.0";
+
port = 8080;
+
+
settings = {
+
server_url = "https://headscale.nekomimi.pet";
+
+
# Metrics and gRPC
+
metrics_listen_addr = "127.0.0.1:9090";
+
grpc_listen_addr = "127.0.0.1:50443";
+
grpc_allow_insecure = false;
+
+
# Prefixes
+
prefixes = {
+
v4 = "100.64.0.0/10";
+
v6 = "fd7a:115c:a1e0::/48";
+
allocation = "sequential";
+
};
+
+
# Database
+
database = {
+
type = "sqlite";
+
sqlite = {
+
path = "/var/lib/headscale/db.sqlite";
+
write_ahead_log = true;
+
};
+
};
+
+
# Noise
+
noise = {
+
private_key_path = "/var/lib/headscale/noise_private.key";
+
};
+
+
# DERP
+
derp = {
+
urls = [
+
"https://controlplane.tailscale.com/derpmap/default"
+
];
+
paths = [];
+
auto_update_enabled = true;
+
update_frequency = "24h";
+
server = {
+
enabled = false;
+
region_id = 999;
+
region_code = "headscale";
+
region_name = "Headscale Embedded DERP";
+
stun_listen_addr = "0.0.0.0:3478";
+
private_key_path = "/var/lib/headscale/derp_server_private.key";
+
automatically_add_embedded_derp_region = true;
+
ipv4 = "1.2.3.4";
+
ipv6 = "2001:db8::1";
+
};
+
};
+
+
# DNS
+
dns = {
+
magic_dns = true;
+
base_domain = "dns.sharkgirl.pet";
+
nameservers = {
+
global = [
+
"100.64.0.7"
+
"1.1.1.1"
+
"1.0.0.1"
+
"2606:4700:4700::1111"
+
"2606:4700:4700::1001"
+
];
+
};
+
search_domains = [];
+
};
+
+
# OIDC with configurable secret path
+
oidc = {
+
only_start_if_oidc_is_available = true;
+
issuer = "https://pocketid.nekomimi.pet";
+
client_id = "f345acad-3eac-45b7-9d91-57f388987a57";
+
client_secret_path = cfg.oidcClientSecretPath;
+
pkce = {
+
enabled = true;
+
method = "S256";
+
};
+
};
+
+
# Policy
+
policy = {
+
mode = "database";
+
};
+
+
# TLS/ACME
+
acme_url = "https://acme-v02.api.letsencrypt.org/directory";
+
acme_email = "";
+
tls_letsencrypt_hostname = "";
+
tls_letsencrypt_cache_dir = "/var/lib/headscale/cache";
+
tls_letsencrypt_challenge_type = "HTTP-01";
+
tls_letsencrypt_listen = ":http";
+
tls_cert_path = "";
+
tls_key_path = "";
+
+
# Logging
+
log = {
+
format = "text";
+
level = "info";
+
};
+
+
# Misc settings
+
disable_check_updates = false;
+
ephemeral_node_inactivity_timeout = "30m";
+
unix_socket = "/var/run/headscale/headscale.sock";
+
unix_socket_permission = "0770";
+
logtail = {
+
enabled = false;
+
};
+
randomize_client_port = false;
+
};
+
};
+
+
# Configurable Litestream for SQLite database backups
+
services.litestream = mkIf cfg.litestream.enable {
+
enable = true;
+
settings = {
+
dbs = [
+
{
+
path = "/var/lib/headscale/db.sqlite";
+
sync-interval = cfg.litestream.syncInterval;
+
retention = cfg.litestream.retention;
+
replicas =
+
# Use custom replicas if provided
+
if cfg.litestream.replicas != [] then
+
cfg.litestream.replicas
+
# Otherwise use local backup if path is provided
+
else if cfg.litestream.backupPath != null then
+
[{ path = cfg.litestream.backupPath; }]
+
# Default empty (user must configure)
+
else
+
[];
+
}
+
];
+
};
+
};
+
+
# Configure systemd service to use agenix secrets
+
systemd.services.headscale.serviceConfig = mkMerge [
+
{
+
SupplementaryGroups = [ "headscale-secrets" ];
+
}
+
# Add environment file for litestream if specified
+
(mkIf (cfg.litestream.enable && cfg.litestream.environmentFile != null) {
+
EnvironmentFile = cfg.litestream.environmentFile;
+
})
+
];
+
+
# Configure litestream service with environment file if specified
+
systemd.services.litestream = mkIf (cfg.litestream.enable && cfg.litestream.environmentFile != null) {
+
serviceConfig = {
+
EnvironmentFile = cfg.litestream.environmentFile;
+
};
+
};
+
+
# Create a group for accessing secrets
+
users.groups.headscale-secrets = {};
+
};
+
}
+257
modules/syncthing/default.nix
···
+
{ config, lib, pkgs, ... }:
+
+
with lib;
+
let
+
cfg = config.modules.syncthing;
+
+
# Helper function to create a serviceConfig entry if the condition is met
+
mkServiceConfigOption = name: value: mkIf (value != null) { "${name}" = value; };
+
+
# Construct the settings object for Syncthing
+
syncthingSettings = mkMerge [
+
# GUI configuration
+
(mkIf cfg.gui.enable {
+
gui = mkMerge [
+
(mkIf (cfg.gui.user != null) {
+
user = cfg.gui.user;
+
})
+
];
+
})
+
+
# Devices configuration
+
(mkIf (cfg.devices != {}) {
+
devices = mapAttrs (name: device: {
+
id = device.id;
+
} // optionalAttrs (device.name != null) {
+
name = device.name;
+
} // optionalAttrs (device.addresses != []) {
+
addresses = device.addresses;
+
}) cfg.devices;
+
})
+
+
# Folders configuration
+
(mkIf (cfg.folders != {}) {
+
folders = mapAttrs (name: folder: {
+
path = folder.path;
+
devices = folder.devices;
+
} // optionalAttrs (folder.ignorePerms != null) {
+
ignorePerms = folder.ignorePerms;
+
} // optionalAttrs (folder.type != null) {
+
type = folder.type;
+
} // optionalAttrs (folder.rescanIntervalS != null) {
+
rescanIntervalS = folder.rescanIntervalS;
+
} // optionalAttrs (folder.versioning != null) {
+
versioning = folder.versioning;
+
}) cfg.folders;
+
})
+
+
# Extra options
+
cfg.extraOptions
+
];
+
in
+
{
+
options = {
+
modules.syncthing = {
+
enable = mkEnableOption "Deploy syncthing";
+
+
openDefaultPorts = mkOption {
+
type = types.bool;
+
default = true;
+
description = "Open ports in the firewall for Syncthing";
+
};
+
+
disableDefaultFolder = mkOption {
+
type = types.bool;
+
default = true;
+
description = "Don't create default ~/Sync folder";
+
};
+
+
gui = {
+
enable = mkEnableOption "Enable GUI configuration";
+
+
user = mkOption {
+
type = types.nullOr types.str;
+
default = null;
+
description = "GUI username";
+
example = "myuser";
+
};
+
+
passwordFile = mkOption {
+
type = types.nullOr types.path;
+
default = null;
+
description = "Path to file containing GUI password";
+
example = "config.age.secrets.syncthing-gui-password.path";
+
};
+
};
+
+
identity = {
+
keyPath = mkOption {
+
type = types.nullOr types.path;
+
default = null;
+
description = "Path to Syncthing private key for stable device ID";
+
example = "config.age.secrets.syncthing-key.path";
+
};
+
+
certPath = mkOption {
+
type = types.nullOr types.path;
+
default = null;
+
description = "Path to Syncthing certificate for stable device ID";
+
example = "config.age.secrets.syncthing-cert.path";
+
};
+
};
+
+
devices = mkOption {
+
type = types.attrsOf (types.submodule {
+
options = {
+
id = mkOption {
+
type = types.str;
+
description = "Device ID";
+
example = "DMWVMM6-MKEQVB4-I4UZTRH-5A6E24O-XHQTL3K-AAI5R5L-MXNMUGX-QTGRHQ2";
+
};
+
+
name = mkOption {
+
type = types.nullOr types.str;
+
default = null;
+
description = "Device name (optional)";
+
};
+
+
addresses = mkOption {
+
type = types.listOf types.str;
+
default = [];
+
description = "Device addresses";
+
example = [ "tcp://192.168.1.100:22000" ];
+
};
+
};
+
});
+
default = {};
+
description = "Syncthing devices configuration";
+
example = {
+
"laptop" = {
+
id = "DMWVMM6-MKEQVB4-I4UZTRH-5A6E24O-XHQTL3K-AAI5R5L-MXNMUGX-QTGRHQ2";
+
};
+
"phone" = {
+
id = "ANOTHER-DEVICE-ID-GOES-HERE";
+
addresses = [ "tcp://192.168.1.101:22000" ];
+
};
+
};
+
};
+
+
folders = mkOption {
+
type = types.attrsOf (types.submodule {
+
options = {
+
path = mkOption {
+
type = types.str;
+
description = "Local folder path";
+
example = "/home/myuser/Documents";
+
};
+
+
devices = mkOption {
+
type = types.listOf (types.either types.str (types.submodule {
+
options = {
+
name = mkOption {
+
type = types.str;
+
description = "Device name";
+
};
+
+
encryptionPasswordFile = mkOption {
+
type = types.path;
+
description = "Path to file containing encryption password";
+
};
+
};
+
}));
+
default = [];
+
description = "List of devices that can access this folder";
+
example = [ "laptop" "phone" ];
+
};
+
+
ignorePerms = mkOption {
+
type = types.nullOr types.bool;
+
default = null;
+
description = "Whether to ignore file permissions";
+
};
+
+
type = mkOption {
+
type = types.nullOr (types.enum [ "sendreceive" "sendonly" "receiveonly" ]);
+
default = null;
+
description = "Folder type";
+
};
+
+
rescanIntervalS = mkOption {
+
type = types.nullOr types.int;
+
default = null;
+
description = "Rescan interval in seconds";
+
};
+
+
versioning = mkOption {
+
type = types.nullOr (types.submodule {
+
options = {
+
type = mkOption {
+
type = types.enum [ "external" "simple" "staggered" "trashcan" ];
+
description = "Versioning type";
+
};
+
+
params = mkOption {
+
type = types.attrsOf types.str;
+
default = {};
+
description = "Versioning parameters";
+
};
+
};
+
});
+
default = null;
+
description = "Folder versioning configuration";
+
};
+
};
+
});
+
default = {};
+
description = "Syncthing folders configuration";
+
example = {
+
"Documents" = {
+
path = "/home/myuser/Documents";
+
devices = [ "laptop" "phone" ];
+
ignorePerms = false;
+
};
+
"Sensitive" = {
+
path = "/home/myuser/Sensitive";
+
devices = [
+
"laptop"
+
{
+
name = "phone";
+
encryptionPasswordFile = "/run/secrets/syncthing-sensitive-password";
+
}
+
];
+
};
+
};
+
};
+
+
extraOptions = mkOption {
+
type = types.attrsOf types.anything;
+
default = {};
+
description = "Additional Syncthing configuration options";
+
};
+
};
+
};
+
+
config = mkIf cfg.enable {
+
services.syncthing = {
+
enable = true;
+
openDefaultPorts = cfg.openDefaultPorts;
+
# Set stable identity if provided
+
key = mkIf (cfg.identity.keyPath != null) cfg.identity.keyPath;
+
cert = mkIf (cfg.identity.certPath != null) cfg.identity.certPath;
+
# Combine all settings
+
settings = syncthingSettings;
+
};
+
+
# Configure systemd service options collectively
+
systemd.services.syncthing = {
+
# Add environment variable to disable default folder creation
+
environment.STNODEFAULTFOLDER = mkIf cfg.disableDefaultFolder "true";
+
+
# Add supplementary groups for secret access
+
serviceConfig.SupplementaryGroups = [ "syncthing-secrets" ];
+
};
+
+
# Create a group for accessing secrets
+
users.groups.syncthing-secrets = {};
+
};
+
}
+11
secrets/headscale-oidc-key.path
···
+
age-encryption.org/v1
+
-> ssh-ed25519 i9wBeA DynOTJFDKsSyHKTG9XFAAcZf/T//KKyK8UG4aGgVH2c
+
o+ggJe/HZmPU+Ezw4u4m+l9bQ1furG7G4Oo7xS8PMAs
+
-> ssh-ed25519 UbxDgg b1XiosrWXL9WI1B7YnNSw16l1p4oa3zjDCCgkU/FxiU
+
MY8oubHMth/wDKn9kNOUkaY9ODvrKIn7DeZTuGxj4/g
+
-> ssh-ed25519 YYzA7Q 6ql+gutJfteQM75WL6ywEDA1+fIcYSpLPaTSKhqE1ic
+
tbwXx/feysvpOrxwpDi5B5PveSIbFH0qSsV6/xmo4hk
+
-> ssh-ed25519 3RWqPQ hNVnobsB1OB9woXtn1T1tXJL+1Dbasc9N2tjZdXa0Bw
+
9HlWIX7aroc8kTUW3rPlxvMSTSGJXbMcOEipdoQqnbw
+
--- h8toQGhp/wUgMkJ+RU0bV7E6pHRUM8mKLPcrDmbZ5NQ
+
!Ŵ�j֖n$�Z���$s9f���ωk�.ro�`�CU>˻�R�F;H;�}J�(�0��� U�YP
+1
secrets/secrets.nix
···
"garage-metrics-token.age".publicKeys = users ++ systems;
"headscale-authkey.age".publicKeys = users ++ systems;
+
"headscale-oidc-key.path".publicKeys = users ++ systems;
}