namecoind: refactor nixos module
This commit is contained in:
rnhmjoj
Joachim F
parent
50f1d8d2fa
commit
a3ff62d48c
1 changed files with 134 additions and 81 deletions
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@ -4,24 +4,34 @@ with lib;
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let
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cfg = config.services.namecoind;
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dataDir = "/var/lib/namecoind";
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useSSL = (cfg.rpc.certificate != null) && (cfg.rpc.key != null);
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useRPC = (cfg.rpc.user != null) && (cfg.rpc.password != null);
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namecoinConf =
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let
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useSSL = (cfg.rpcCertificate != null) && (cfg.rpcKey != null);
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in
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pkgs.writeText "namecoin.conf" ''
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listToConf = option: list:
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concatMapStrings (value :"${option}=${value}\n") list;
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configFile = pkgs.writeText "namecoin.conf" (''
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server=1
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daemon=0
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rpcallowip=127.0.0.1
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walletpath=${cfg.wallet}
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gen=${if cfg.generate then "1" else "0"}
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rpcssl=${if useSSL then "1" else "0"}
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${optionalString useSSL "rpcsslcertificatechainfile=${cfg.rpcCertificate}"}
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${optionalString useSSL "rpcsslprivatekeyfile=${cfg.rpcKey}"}
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${optionalString useSSL "rpcsslciphers=TLSv1.2+HIGH:TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!3DES:@STRENGTH"}
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txindex=1
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txprevcache=1
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'';
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walletpath=${cfg.wallet}
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gen=${if cfg.generate then "1" else "0"}
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${listToConf "addnode" cfg.extraNodes}
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${listToConf "connect" cfg.trustedNodes}
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'' + optionalString useRPC ''
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rpcbind=${cfg.rpc.address}
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rpcport=${toString cfg.rpc.port}
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rpcuser=${cfg.rpc.user}
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rpcpassword=${cfg.rpc.password}
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${listToConf "rpcallowip" cfg.rpc.allowFrom}
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'' + optionalString useSSL ''
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rpcssl=1
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rpcsslcertificatechainfile=${cfg.rpc.certificate}
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rpcsslprivatekeyfile=${cfg.rpc.key}
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rpcsslciphers=TLSv1.2+HIGH:TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!3DES:@STRENGTH
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'');
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in
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@ -33,40 +43,17 @@ in
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services.namecoind = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to run namecoind.
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'';
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};
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enable = mkEnableOption "namecoind, Namecoin client.";
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wallet = mkOption {
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type = types.path;
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example = "/etc/namecoin/wallet.dat";
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default = "${dataDir}/wallet.dat";
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description = ''
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Wallet file. The ownership of the file has to be
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namecoin:namecoin, and the permissions must be 0640.
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'';
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};
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userFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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example = "/etc/namecoin/user";
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description = ''
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File containing the user name and user password to
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authenticate RPC connections to namecoind.
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The content of the file is of the form:
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<literal>
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USER=namecoin
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PASSWORD=secret
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</literal>
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The ownership of the file has to be namecoin:namecoin,
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and the permissions must be 0640.
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'';
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};
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generate = mkOption {
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type = types.bool;
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default = false;
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@ -75,24 +62,83 @@ in
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'';
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};
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rpcCertificate = mkOption {
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extraNodes = mkOption {
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type = types.listOf types.str;
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default = [ ];
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description = ''
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List of additional peer IP addresses to connect to.
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'';
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};
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trustedNodes = mkOption {
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type = types.listOf types.str;
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default = [ ];
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description = ''
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List of the only peer IP addresses to connect to. If specified
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no other connection will be made.
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'';
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};
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rpc.user = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = ''
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User name for RPC connections.
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'';
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};
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rpc.password = mkOption {
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type = types.str;
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default = null;
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description = ''
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Password for RPC connections.
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'';
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};
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rpc.address = mkOption {
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type = types.str;
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default = "0.0.0.0";
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description = ''
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IP address the RPC server will bind to.
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'';
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};
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rpc.port = mkOption {
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type = types.int;
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default = 8332;
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description = ''
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Port the RPC server will bind to.
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'';
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};
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rpc.certificate = mkOption {
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type = types.nullOr types.path;
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default = null;
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example = "/etc/namecoin/server.cert";
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example = "/var/lib/namecoind/server.cert";
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description = ''
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Certificate file for securing RPC connections.
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'';
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};
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rpcKey = mkOption {
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rpc.key = mkOption {
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type = types.nullOr types.path;
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default = null;
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example = "/etc/namecoin/server.pem";
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example = "/var/lib/namecoind/server.pem";
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description = ''
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Key file for securing RPC connections.
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'';
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};
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rpc.allowFrom = mkOption {
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type = types.listOf types.str;
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default = [ "127.0.0.1" ];
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description = ''
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List of IP address ranges allowed to use the RPC API.
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Wiledcards (*) can be user to specify a range.
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'';
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};
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};
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};
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@ -102,30 +148,46 @@ in
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config = mkIf cfg.enable {
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users.extraUsers = singleton
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{ name = "namecoin";
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services.dnschain.extraConfig = ''
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[namecoin]
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config = ${configFile}
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'';
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users.extraUsers = singleton {
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name = "namecoin";
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uid = config.ids.uids.namecoin;
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description = "Namecoin daemon user";
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home = "/var/lib/namecoin";
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home = dataDir;
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createHome = true;
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};
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users.extraGroups = singleton
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{ name = "namecoin";
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users.extraGroups = singleton {
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name = "namecoin";
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gid = config.ids.gids.namecoin;
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};
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systemd.services.namecoind = {
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description = "Namecoind Daemon";
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description = "Namecoind daemon";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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preStart = ''
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if [ "$(stat --printf '%u' ${cfg.userFile})" != "${toString config.ids.uids.namecoin}" \
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-o "$(stat --printf '%g' ${cfg.userFile})" != "${toString config.ids.gids.namecoin}" \
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-o "$(stat --printf '%a' ${cfg.userFile})" != "640" ]; then
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echo "ERROR: bad ownership or rights on ${cfg.userFile}" >&2
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exit 1
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fi
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serviceConfig = {
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User = "namecoin";
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Griup = "namecoin";
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ExecStart = "${pkgs.altcoins.namecoind}/bin/namecoind -conf=${configFile} -datadir=${dataDir} -printtoconsole";
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ExecStop = "${pkgs.coreutils}/bin/kill -KILL $MAINPID";
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ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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Nice = "10";
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PrivateTmp = true;
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TimeoutStopSec = "60s";
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TimeoutStartSec = "2s";
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Restart = "always";
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StartLimitInterval = "120s";
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StartLimitBurst = "5";
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};
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preStart = optionalString (cfg.wallet != "${dataDir}/wallet.dat") ''
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# check wallet file permissions
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if [ "$(stat --printf '%u' ${cfg.wallet})" != "${toString config.ids.uids.namecoin}" \
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-o "$(stat --printf '%g' ${cfg.wallet})" != "${toString config.ids.gids.namecoin}" \
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-o "$(stat --printf '%a' ${cfg.wallet})" != "640" ]; then
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@ -133,16 +195,7 @@ in
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exit 1
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fi
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'';
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serviceConfig = {
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Type = "simple";
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User = "namecoin";
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EnvironmentFile = cfg.userFile;
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ExecStart = "${pkgs.altcoins.namecoind}/bin/namecoind -conf=${namecoinConf} -rpcuser=\${USER} -rpcpassword=\${PASSWORD} -printtoconsole";
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ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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ExecStop = "${pkgs.coreutils}/bin/kill -KILL $MAINPID";
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StandardOutput = "null";
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Nice = "10";
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};
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};
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};
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