commit 684cd17ff53ad400a9d5fade1eb61bec7f847a17 · pyrox.dev/nixpkgs

nixos/modules/misc/ids.nix

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             shout = 206;

     

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             gateone = 207;

     

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             namecoin = 208;

     

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             dnschain = 209;

     

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             # When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!

     

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···

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             #shout = 206; #unused

     

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             gateone = 207;

     

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             namecoin = 208;

     

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             #dnschain = 209; #unused

     

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             # When adding a gid, make sure it doesn't match an existing

     

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             # uid. Users and groups with the same name should have equal

nixos/modules/module-list.nix

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         ./services/networking/ddclient.nix

     

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         ./services/networking/dhcpcd.nix

     

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         ./services/networking/dhcpd.nix

     

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         ./services/networking/dnschain.nix

     

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         ./services/networking/dnscrypt-proxy.nix

     

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         ./services/networking/dnsmasq.nix

     

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         ./services/networking/docker-registry-server.nix

+110

nixos/modules/services/networking/dnschain.nix

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       { config, lib, pkgs, ... }:

     

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       with lib;

     

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       let

     

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         cfg = config.services;

     

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         dnschainConf = pkgs.writeText "dnschain.conf" ''

     

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           [log]

     

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           level=info

     

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           [dns]

     

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           host = 127.0.0.1

     

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           port = 5333

     

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           oldDNSMethod = NO_OLD_DNS

     

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           # TODO: check what that address is acutally used for

     

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           externalIP = 127.0.0.1

     

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           [http]

     

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           host = 127.0.0.1

     

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           port=8088

     

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           tlsPort=4443

     

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         '';

     

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       in

     

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       {

     

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         ###### interface

     

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         options = {

     

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           services.dnschain = {

     

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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 dnschain. That implies running

     

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                 namecoind as well, so make sure to configure

     

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                 it appropriately.

     

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               '';

     

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             };

     

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           };

     

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           services.dnsmasq = {

     

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             resolveDnschainQueries = mkOption {

     

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               type = types.bool;

     

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               default = false;

     

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               description = ''

     

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                 Resolve <literal>.bit</literal> top-level domains

     

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                 with dnschain and namecoind.

     

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               '';

     

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             };

     

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           };

     

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         };

     

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         ###### implementation

     

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         config = mkIf cfg.dnschain.enable {

     

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           services.namecoind.enable = true;

     

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           services.dnsmasq.servers = optionals cfg.dnsmasq.resolveDnschainQueries [ "/.bit/127.0.0.1#5333" ];

     

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           users.extraUsers = singleton

     

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             { name = "dnschain";

     

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               uid = config.ids.uids.dnschain;

     

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               extraGroups = [ "namecoin" ];

     

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               description = "Dnschain daemon user";

     

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               home = "/var/lib/dnschain";

     

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               createHome = true;

     

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             };

     

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           systemd.services.dnschain = {

     

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               description = "Dnschain Daemon";

     

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               after = [ "namecoind.target" ];

     

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               wantedBy = [ "multi-user.target" ];

     

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               path = [ pkgs.openssl ];

     

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               preStart = ''

     

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                 # Link configuration file into dnschain HOME directory

     

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                 if [ "$(${pkgs.coreutils}/bin/realpath /var/lib/dnschain/.dnschain.conf)" != "${dnschainConf}" ]; then

     

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                     rm -rf /var/lib/dnschain/.dnschain.conf

     

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                     ln -s ${dnschainConf} /var/lib/dnschain/.dnschain.conf

     

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                 fi

     

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                 # Create empty namecoin.conf so that dnschain is not

     

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                 # searching for /etc/namecoin/namecoin.conf

     

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                 if [ ! -e /var/lib/dnschain/.namecoin/namecoin.conf ]; then

     

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                     mkdir -p /var/lib/dnschain/.namecoin

     

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                     touch /var/lib/dnschain/.namecoin/namecoin.conf

     

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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 = "dnschain";

     

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                 EnvironmentFile = config.services.namecoind.userFile;

     

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                 ExecStart = "${pkgs.dnschain}/bin/dnschain --rpcuser=\${USER} --rpcpassword=\${PASSWORD} --rpcport=8336";

     

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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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               };

     

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           };

     

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         };

     

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       }