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|
{
config,
pkgs,
lib,
...
}:
let
# Load default values from package. See https://github.com/bitvora/haven/blob/master/.env.example
defaultSettings = fromTOML (builtins.readFile "${cfg.package}/share/haven/.env.example");
import_relays_file = "${pkgs.writeText "import_relays.json" (builtins.toJSON cfg.importRelays)}";
blastr_relays_file = "${pkgs.writeText "blastr_relays.json" (builtins.toJSON cfg.blastrRelays)}";
mergedSettings = cfg.settings // {
IMPORT_SEED_RELAYS_FILE = import_relays_file;
BLASTR_RELAYS_FILE = blastr_relays_file;
};
cfg = config.services.haven;
in
{
options.services.haven = {
enable = lib.mkEnableOption "haven";
package = lib.mkPackageOption pkgs "haven" { };
blastrRelays = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [ ];
description = "List of relay configurations for blastr";
example = lib.literalExpression ''
[
"relay.example.com"
]
'';
};
importRelays = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [ ];
description = "List of relay configurations for importing historical events";
example = lib.literalExpression ''
[
"relay.example.com"
]
'';
};
settings = lib.mkOption {
default = defaultSettings;
defaultText = "See <https://github.com/bitvora/haven/blob/master/.env.example>";
apply = lib.recursiveUpdate defaultSettings;
description = "See <https://github.com/bitvora/haven> for documentation.";
example = lib.literalExpression ''
{
RELAY_URL = "relay.example.com";
OWNER_NPUB = "npub1...";
}
'';
};
environmentFile = lib.mkOption {
type = lib.types.nullOr lib.types.path;
default = null;
description = ''
Path to a file containing sensitive environment variables. See <https://github.com/bitvora/haven> for documentation.
The file should contain environment-variable assignments like:
S3_SECRET_KEY=mysecretkey
S3_ACCESS_KEY_ID=myaccesskey
'';
example = "/var/lib/haven/secrets.env";
};
};
config = lib.mkIf cfg.enable {
users.users.haven = {
description = "Haven daemon user";
group = "haven";
isSystemUser = true;
};
users.groups.haven = { };
systemd.services.haven = {
description = "haven";
wants = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
environment = lib.attrsets.mapAttrs (
name: value: if builtins.isBool value then if value then "true" else "false" else toString value
) mergedSettings;
serviceConfig = {
ExecStart = "${cfg.package}/bin/haven";
EnvironmentFile = lib.mkIf (cfg.environmentFile != null) cfg.environmentFile;
User = "haven";
Group = "haven";
Restart = "on-failure";
RuntimeDirectory = "haven";
StateDirectory = "haven";
WorkingDirectory = "/var/lib/haven";
# Create symlink to templates in the working directory
ExecStartPre = "+${pkgs.coreutils}/bin/ln -sfT ${cfg.package}/share/haven/templates /var/lib/haven/templates";
PrivateTmp = true;
PrivateUsers = true;
PrivateDevices = true;
ProtectSystem = "strict";
ProtectHome = true;
NoNewPrivileges = true;
MemoryDenyWriteExecute = true;
ProtectKernelTunables = true;
ProtectKernelModules = true;
ProtectKernelLogs = true;
ProtectClock = true;
ProtectProc = "invisible";
ProcSubset = "pid";
ProtectControlGroups = true;
LockPersonality = true;
RestrictSUIDSGID = true;
RemoveIPC = true;
RestrictRealtime = true;
ProtectHostname = true;
CapabilityBoundingSet = "";
SystemCallFilter = [
"@system-service"
];
SystemCallArchitectures = "native";
};
};
};
meta.maintainers = with lib.maintainers; [
felixzieger
];
}
|
