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|
{
config,
lib,
pkgs,
...
}:
let
cfg = config.services.flap-alerted;
settingsArgs = lib.pipe cfg.settings [
(lib.mapAttrsToList (
name: value:
if value == null || value == false then
[ ]
else if value == true then
[ "-${name}" ]
else
[
"-${name}"
(toString value)
]
))
lib.concatLists
];
in
{
meta.maintainers = with lib.maintainers; [ defelo ];
options.services.flap-alerted = {
enable = lib.mkEnableOption "FlapAlerted";
package = lib.mkPackageOption pkgs "flap-alerted" { };
environmentFiles = lib.mkOption {
type = lib.types.listOf lib.types.path;
default = [ ];
example = [ "/run/secrets/flap-alerted.env" ];
description = ''
Files to load environment variables from.
This is useful to avoid putting secrets into the nix store.
See <https://github.com/Kioubit/FlapAlerted> for a list of options.
'';
};
extraArgs = lib.mkOption {
type = lib.types.listOf lib.types.str;
description = ''
Extra command line arguments to pass to FlapAlerted.
See <https://github.com/Kioubit/FlapAlerted> for a list of options.
'';
default = [ ];
};
settings = lib.mkOption {
description = ''
Configuration of FlapAlerted.
See <https://github.com/Kioubit/FlapAlerted> for a list of options.
'';
default = { };
type = lib.types.submodule {
freeformType = lib.types.attrsOf (
lib.types.nullOr (
lib.types.oneOf [
lib.types.str
lib.types.int
lib.types.bool
]
)
);
options = {
asn = lib.mkOption {
type = lib.types.ints.u32;
description = "Your ASN number";
};
bgpListenAddress = lib.mkOption {
type = lib.types.str;
description = "Address to listen on for incoming BGP connections";
default = ":1790";
};
debug = lib.mkOption {
type = lib.types.bool;
description = "Enable debug mode (produces a lot of output)";
default = false;
};
};
};
};
};
config = lib.mkIf cfg.enable {
systemd.services.flap-alerted = {
wantedBy = [ "multi-user.target" ];
wants = [ "network-online.target" ];
after = [ "network-online.target" ];
serviceConfig = {
User = "flap-alerted";
Group = "flap-alerted";
DynamicUser = true;
EnvironmentFile = cfg.environmentFiles;
ExecStart = lib.escapeShellArgs ([ (lib.getExe cfg.package) ] ++ settingsArgs ++ cfg.extraArgs);
# Hardening
AmbientCapabilities = "";
CapabilityBoundingSet = [ "" ];
DevicePolicy = "closed";
LockPersonality = true;
MemoryDenyWriteExecute = true;
NoNewPrivileges = true;
PrivateDevices = true;
PrivateTmp = true;
PrivateUsers = true;
ProcSubset = "pid";
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
ProtectSystem = "strict";
RemoveIPC = true;
RestrictAddressFamilies = [ "AF_INET AF_INET6" ];
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
SystemCallFilter = [
"@system-service"
"~@privileged"
"~@resources"
];
UMask = "0077";
};
};
};
}
|
