105 lines
3.1 KiB
Nix
105 lines
3.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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options.services.clightning-rest = {
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enable = mkEnableOption "lightning-rest";
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port = mkOption {
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type = types.port;
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default = 3001;
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description = mdDoc "REST server port.";
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};
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docPort = mkOption {
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type = types.port;
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default = 4001;
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description = mdDoc "Swagger API documentation server port.";
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};
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dataDir = mkOption {
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type = types.path;
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default = "/var/lib/clightning-rest";
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description = mdDoc "The data directory for clightning-rest.";
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};
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extraConfig = mkOption {
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type = types.attrs;
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default = {};
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example = {
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DOMAIN = "mynode.org";
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};
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description = mdDoc ''
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Extra config options.
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See: https://github.com/Ride-The-Lightning/c-lightning-REST#option-1-via-config-file-cl-rest-configjson
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'';
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};
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# Used by ./rtl.nix
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group = mkOption {
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readOnly = true;
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default = clightning.group;
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description = mdDoc "The group under which clightning-rest is run.";
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};
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# Rest server address.
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# Not configurable. The server always listens on all interfaces:
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# https://github.com/Ride-The-Lightning/c-lightning-REST/issues/84
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# Required by netns-isolation.
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address = mkOption {
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internal = true;
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default = "0.0.0.0";
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};
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tor.enforce = nbLib.tor.enforce;
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};
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cfg = config.services.clightning-rest;
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nbLib = config.nix-bitcoin.lib;
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nbPkgs = config.nix-bitcoin.pkgs;
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inherit (config.services)
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bitcoind
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clightning;
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configFile = builtins.toFile "clightning-rest-config" (builtins.toJSON ({
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PORT = cfg.port;
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DOCPORT = cfg.docPort;
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LNRPCPATH = "${clightning.dataDir}/${bitcoind.makeNetworkName "bitcoin" "regtest"}/lightning-rpc";
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EXECMODE = "production";
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PROTOCOL = "https";
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RPCCOMMANDS = ["*"];
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} // cfg.extraConfig));
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in {
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inherit options;
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config = mkIf cfg.enable {
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services.clightning.enable = true;
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systemd.tmpfiles.rules = [
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"d '${cfg.dataDir}' 0770 ${clightning.user} ${cfg.group} - -"
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];
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systemd.services.clightning-rest = mkIf cfg.enable {
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wantedBy = [ "multi-user.target" ];
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requires = [ "clightning.service" ];
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after = [ "clightning.service" ];
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path = [ pkgs.openssl ];
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environment.CL_REST_STATE_DIR = cfg.dataDir;
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preStart = ''
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ln -sfn ${configFile} cl-rest-config.json
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'';
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postStart = ''
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while [[ ! -e '${cfg.dataDir}/certs/access.macaroon' ]]; do
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sleep 0.1
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done
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'';
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serviceConfig = nbLib.defaultHardening // {
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# clightning-rest reads the config file from the working directory
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WorkingDirectory = cfg.dataDir;
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ExecStart = "${nbPkgs.clightning-rest}/bin/cl-rest";
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# Show "clightning-rest" instead of "node" in the journal
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SyslogIdentifier = "clightning-rest";
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User = clightning.user;
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Restart = "on-failure";
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RestartSec = "10s";
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ReadWritePaths = [ cfg.dataDir ];
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} // nbLib.allowedIPAddresses cfg.tor.enforce
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// nbLib.nodejs;
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};
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};
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}
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