112 lines
3.5 KiB
Nix
112 lines
3.5 KiB
Nix
{ cluster, config, hosts, inputs, lib, pkgs, tools, ... }:
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let
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inherit (tools.meta) domain;
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inherit (config.links) pdnsAdmin;
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inherit (cluster.config) vars;
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pdns-api = cluster.config.links.powerdns-api;
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dataDirUI = "/srv/storage/private/powerdns-admin";
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translateConfig = withQuotes: cfg: let
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pythonValue = val: if lib.isString val then "'${val}'"
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else if lib.isAttrs val && val ? file then "[(f.read().strip('\\n'), f.close()) for f in [open('${val.file}')]][0][0]"
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else if lib.isAttrs val && val ? env then "__import__('os').getenv('${val.env}')"
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else if lib.isBool val then (if val then "True" else "False")
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else if lib.isInt val then toString val
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else throw "translateConfig: unsupported value type";
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quote = str: if withQuotes then pythonValue str else str;
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configList = lib.mapAttrsToList (n: v: "${n}=${quote v}") cfg;
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in lib.concatStringsSep "\n" configList;
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login = x: "https://login.${domain}/auth/realms/master/protocol/openid-connect/${x}";
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in {
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age.secrets = {
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pdns-admin-oidc-secrets = {
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file = ./pdns-admin-oidc-secrets.age;
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mode = "0400";
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};
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pdns-admin-salt = {
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file = ./pdns-admin-salt.age;
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mode = "0400";
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owner = "powerdnsadmin";
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group = "powerdnsadmin";
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};
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pdns-admin-secret = {
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file = ./pdns-admin-secret.age;
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mode = "0400";
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owner = "powerdnsadmin";
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group = "powerdnsadmin";
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};
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pdns-api-key = vars.pdns-api-key-secret // { owner = "powerdnsadmin"; };
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};
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links.pdnsAdmin.protocol = "http";
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networking.firewall = {
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allowedTCPPorts = [ 53 ];
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allowedUDPPorts = [ 53 ];
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};
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systemd.tmpfiles.rules = [
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"d '${dataDirUI}' 0700 powerdnsadmin powerdnsadmin - -"
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];
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services.powerdns = {
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enable = true;
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extraConfig = translateConfig false {
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api = "yes";
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webserver-allow-from = "127.0.0.1, ${vars.meshNet.cidr}";
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webserver-address = pdns-api.ipv4;
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webserver-port = pdns-api.portStr;
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api-key = "$scrypt$ln=14,p=1,r=8$ZRgztsniH1y+F7P/RkXq/w==$QTil5kbJPzygpeQRI2jgo5vK6fGol9YS/NVR95cmWRs=";
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};
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};
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services.powerdns-admin = {
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enable = true;
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secretKeyFile = config.age.secrets.pdns-admin-secret.path;
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saltFile = config.age.secrets.pdns-admin-salt.path;
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extraArgs = [ "-b" pdnsAdmin.tuple ];
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config = translateConfig true {
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SQLALCHEMY_DATABASE_URI = "sqlite:///${dataDirUI}/pda.db";
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PDNS_VERSION = pkgs.pdns.version;
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PDNS_API_URL = pdns-api.url;
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PDNS_API_KEY.file = config.age.secrets.pdns-api-key.path;
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SIGNUP_ENABLED = false;
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OIDC_OAUTH_ENABLED = true;
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OIDC_OAUTH_KEY = "net.privatevoid.dnsadmin1";
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OIDC_OAUTH_SECRET.env = "OIDC_OAUTH_SECRET";
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OIDC_OAUTH_SCOPE = "openid profile email roles";
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OIDC_OAUTH_API_URL = login "";
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OIDC_OAUTH_TOKEN_URL = login "token";
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OIDC_OAUTH_AUTHORIZE_URL = login "auth";
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OIDC_OAUTH_LOGOUT_URL = login "logout";
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};
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};
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systemd.services.powerdns-admin.serviceConfig = {
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BindPaths = [
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dataDirUI
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config.age.secrets.pdns-api-key.path
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];
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EnvironmentFile = config.age.secrets.pdns-admin-oidc-secrets.path;
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};
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services.nginx.virtualHosts."dnsadmin.${domain}" = lib.recursiveUpdate
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(tools.nginx.vhosts.proxy pdnsAdmin.url)
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# backend sends really big headers for some reason
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# increase buffer size accordingly
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{
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locations."/".extraConfig = ''
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proxy_busy_buffers_size 512k;
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proxy_buffers 4 512k;
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proxy_buffer_size 256k;
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'';
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};
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}
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