nixos/knot: init
This commit is contained in:
parent
5b0502dc85
commit
a978d3dcd2
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@ -578,6 +578,7 @@
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./services/networking/keepalived/default.nix
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./services/networking/keepalived/default.nix
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./services/networking/keybase.nix
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./services/networking/keybase.nix
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./services/networking/kippo.nix
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./services/networking/kippo.nix
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./services/networking/knot.nix
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./services/networking/kresd.nix
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./services/networking/kresd.nix
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./services/networking/lambdabot.nix
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./services/networking/lambdabot.nix
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./services/networking/libreswan.nix
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./services/networking/libreswan.nix
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95
nixos/modules/services/networking/knot.nix
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95
nixos/modules/services/networking/knot.nix
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@ -0,0 +1,95 @@
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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.knot;
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configFile = pkgs.writeText "knot.conf" cfg.extraConfig;
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socketFile = "/run/knot/knot.sock";
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knotConfCheck = file: pkgs.runCommand "knot-config-checked"
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{ buildInputs = [ cfg.package ]; } ''
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ln -s ${configFile} $out
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knotc --config=${configFile} conf-check
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'';
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knot-cli-wrappers = pkgs.stdenv.mkDerivation {
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name = "knot-cli-wrappers";
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buildInputs = [ pkgs.makeWrapper ];
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buildCommand = ''
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mkdir -p $out/bin
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makeWrapper ${cfg.package}/bin/knotc "$out/bin/knotc" \
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--add-flags "--config=${configFile}" \
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--add-flags "--socket=${socketFile}"
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makeWrapper ${cfg.package}/bin/keymgr "$out/bin/keymgr" \
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--add-flags "--config=${configFile}"
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for executable in kdig khost kjournalprint knsec3hash knsupdate kzonecheck
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do
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ln -s "${cfg.package}/bin/$executable" "$out/bin/$executable"
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done
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mkdir -p "$out/share"
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ln -s '${cfg.package}/share/man' "$out/share/"
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'';
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};
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in {
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options = {
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services.knot = {
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enable = mkEnableOption "Knot authoritative-only DNS server";
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extraArgs = 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 command line paramters for knotd
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Extra lines to be added verbatim to knot.conf
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'';
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};
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package = mkOption {
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type = types.package;
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default = pkgs.knot-dns;
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description = ''
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Which Knot DNS package to use
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'';
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};
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};
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};
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config = mkIf config.services.knot.enable {
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systemd.services.knot = {
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unitConfig.Documentation = "man:knotd(8) man:knot.conf(5) man:knotc(8) https://www.knot-dns.cz/docs/${cfg.package.version}/html/";
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description = cfg.package.meta.description;
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wantedBy = [ "multi-user.target" ];
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wants = [ "network.target" ];
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after = ["network.target" ];
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serviceConfig = {
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Type = "notify";
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ExecStart = "${cfg.package}/bin/knotd --config=${knotConfCheck configFile} --socket=${socketFile} ${concatStringsSep " " cfg.extraArgs}";
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ExecReload = "${knot-cli-wrappers}/bin/knotc reload";
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CapabilityBoundingSet = "CAP_NET_BIND_SERVICE CAP_SETPCAP";
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AmbientCapabilities = "CAP_NET_BIND_SERVICE CAP_SETPCAP";
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NoNewPrivileges = true;
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DynamicUser = "yes";
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RuntimeDirectory = "knot";
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StateDirectory = "knot";
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StateDirectoryMode = "0700";
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PrivateDevices = true;
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RestrictAddressFamilies = "AF_UNIX AF_INET AF_INET6";
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SystemCallArchitectures = "native";
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Restart = "on-abort";
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};
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};
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environment.systemPackages = [ knot-cli-wrappers ];
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};
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}
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@ -117,6 +117,7 @@ in
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kernel-latest = handleTest ./kernel-latest.nix {};
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kernel-latest = handleTest ./kernel-latest.nix {};
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kernel-lts = handleTest ./kernel-lts.nix {};
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kernel-lts = handleTest ./kernel-lts.nix {};
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keymap = handleTest ./keymap.nix {};
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keymap = handleTest ./keymap.nix {};
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knot = handleTest ./knot.nix {};
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kubernetes.dns = handleTestOn ["x86_64-linux"] ./kubernetes/dns.nix {};
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kubernetes.dns = handleTestOn ["x86_64-linux"] ./kubernetes/dns.nix {};
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# kubernetes.e2e should eventually replace kubernetes.rbac when it works
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# kubernetes.e2e should eventually replace kubernetes.rbac when it works
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#kubernetes.e2e = handleTestOn ["x86_64-linux"] ./kubernetes/e2e.nix {};
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#kubernetes.e2e = handleTestOn ["x86_64-linux"] ./kubernetes/e2e.nix {};
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197
nixos/tests/knot.nix
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197
nixos/tests/knot.nix
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import ./make-test.nix ({ pkgs, lib, ...} :
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let
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common = {
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networking.firewall.enable = false;
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networking.useDHCP = false;
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};
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exampleZone = pkgs.writeTextDir "example.com.zone" ''
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@ SOA ns.example.com. noc.example.com. 2019031301 86400 7200 3600000 172800
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@ NS ns1
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@ NS ns2
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ns1 A 192.168.0.1
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ns1 AAAA fd00::1
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ns2 A 192.168.0.2
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ns2 AAAA fd00::2
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www A 192.0.2.1
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www AAAA 2001:DB8::1
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sub NS ns.example.com.
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'';
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delegatedZone = pkgs.writeTextDir "sub.example.com.zone" ''
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@ SOA ns.example.com. noc.example.com. 2019031301 86400 7200 3600000 172800
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@ NS ns1.example.com.
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@ NS ns2.example.com.
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@ A 192.0.2.2
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@ AAAA 2001:DB8::2
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'';
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knotZonesEnv = pkgs.buildEnv {
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name = "knot-zones";
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paths = [ exampleZone delegatedZone ];
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};
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in {
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name = "knot";
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nodes = {
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master = { lib, ... }: {
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imports = [ common ];
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networking.interfaces.eth1 = {
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ipv4.addresses = lib.mkForce [
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{ address = "192.168.0.1"; prefixLength = 24; }
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];
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ipv6.addresses = lib.mkForce [
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{ address = "fd00::1"; prefixLength = 64; }
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];
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};
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services.knot.enable = true;
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services.knot.extraArgs = [ "-v" ];
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services.knot.extraConfig = ''
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server:
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listen: 0.0.0.0@53
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listen: ::@53
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acl:
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- id: slave_acl
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address: 192.168.0.2
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action: transfer
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remote:
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- id: slave
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address: 192.168.0.2@53
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template:
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- id: default
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storage: ${knotZonesEnv}
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notify: [slave]
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acl: [slave_acl]
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dnssec-signing: on
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# Input-only zone files
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# https://www.knot-dns.cz/docs/2.8/html/operation.html#example-3
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# prevents modification of the zonefiles, since the zonefiles are immutable
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zonefile-sync: -1
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zonefile-load: difference
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journal-content: changes
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# move databases below the state directory, because they need to be writable
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journal-db: /var/lib/knot/journal
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kasp-db: /var/lib/knot/kasp
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timer-db: /var/lib/knot/timer
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zone:
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- domain: example.com
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file: example.com.zone
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- domain: sub.example.com
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file: sub.example.com.zone
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log:
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- target: syslog
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any: info
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'';
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};
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slave = { lib, ... }: {
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imports = [ common ];
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networking.interfaces.eth1 = {
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ipv4.addresses = lib.mkForce [
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{ address = "192.168.0.2"; prefixLength = 24; }
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];
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ipv6.addresses = lib.mkForce [
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{ address = "fd00::2"; prefixLength = 64; }
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];
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};
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services.knot.enable = true;
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services.knot.extraArgs = [ "-v" ];
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services.knot.extraConfig = ''
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server:
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listen: 0.0.0.0@53
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listen: ::@53
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acl:
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- id: notify_from_master
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address: 192.168.0.1
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action: notify
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remote:
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- id: master
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address: 192.168.0.1@53
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template:
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- id: default
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master: master
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acl: [notify_from_master]
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# zonefileless setup
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# https://www.knot-dns.cz/docs/2.8/html/operation.html#example-2
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zonefile-sync: -1
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zonefile-load: none
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journal-content: all
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# move databases below the state directory, because they need to be writable
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journal-db: /var/lib/knot/journal
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kasp-db: /var/lib/knot/kasp
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timer-db: /var/lib/knot/timer
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zone:
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- domain: example.com
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file: example.com.zone
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- domain: sub.example.com
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file: sub.example.com.zone
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log:
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- target: syslog
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any: info
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'';
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};
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client = { lib, nodes, ... }: {
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imports = [ common ];
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networking.interfaces.eth1 = {
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ipv4.addresses = [
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{ address = "192.168.0.3"; prefixLength = 24; }
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];
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ipv6.addresses = [
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{ address = "fd00::3"; prefixLength = 64; }
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];
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};
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environment.systemPackages = [ pkgs.knot-dns ];
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};
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};
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testScript = { nodes, ... }: let
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master4 = (lib.head nodes.master.config.networking.interfaces.eth1.ipv4.addresses).address;
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master6 = (lib.head nodes.master.config.networking.interfaces.eth1.ipv6.addresses).address;
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slave4 = (lib.head nodes.slave.config.networking.interfaces.eth1.ipv4.addresses).address;
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slave6 = (lib.head nodes.slave.config.networking.interfaces.eth1.ipv6.addresses).address;
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in ''
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startAll;
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$client->waitForUnit("network.target");
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$master->waitForUnit("knot.service");
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$slave->waitForUnit("knot.service");
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sub assertResponse {
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my ($knot, $query_type, $query, $expected) = @_;
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my $out = $client->succeed("khost -t $query_type $query $knot");
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$client->log("$knot replies with: $out");
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chomp $out;
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die "DNS query for $query ($query_type) against $knot gave '$out' instead of '$expected'"
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if ($out !~ $expected);
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}
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foreach ("${master4}", "${master6}", "${slave4}", "${slave6}") {
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subtest $_, sub {
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assertResponse($_, "SOA", "example.com", qr/start of authority.*?noc\.example\.com/);
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assertResponse($_, "A", "example.com", qr/has no [^ ]+ record/);
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assertResponse($_, "AAAA", "example.com", qr/has no [^ ]+ record/);
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assertResponse($_, "A", "www.example.com", qr/address 192.0.2.1$/);
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assertResponse($_, "AAAA", "www.example.com", qr/address 2001:db8::1$/);
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assertResponse($_, "NS", "sub.example.com", qr/nameserver is ns\d\.example\.com.$/);
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assertResponse($_, "A", "sub.example.com", qr/address 192.0.2.2$/);
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assertResponse($_, "AAAA", "sub.example.com", qr/address 2001:db8::2$/);
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assertResponse($_, "RRSIG", "www.example.com", qr/RR set signature is/);
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assertResponse($_, "DNSKEY", "example.com", qr/DNSSEC key is/);
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};
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}
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'';
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})
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