{ config, pkgs, lib, agenix, myData, ... }: let turn_cert_dir = "/var/lib/caddy/.local/share/caddy/certificates/acme-v02.api.letsencrypt.org-directory/turn.jakstys.lt"; in { imports = [ ./hardware-configuration.nix ./zfs.nix ]; mj = { stateVersion = "22.11"; timeZone = "UTC"; services = { zfsunlock = { enable = true; targets."vno1-oh2.servers.jakst" = { sshEndpoint = myData.hosts."vno1-oh2.servers.jakst".publicIP; pingEndpoint = "vno1-oh2.servers.jakst"; remotePubkey = myData.hosts."vno1-oh2.servers.jakst".initrdPubKey; pwFile = config.age.secrets.zfs-passphrase-vno1-oh2.path; startAt = "*-*-* *:00/5:00"; }; }; }; base = { users.passwd = { root.passwordFile = config.age.secrets.root-passwd-hash.path; motiejus.passwordFile = config.age.secrets.motiejus-passwd-hash.path; }; initrd = { enable = true; authorizedKeys = (builtins.attrValues myData.people_pubkeys) ++ [myData.hosts."vno1-oh2.servers.jakst".publicKey]; hostKeys = ["/etc/secrets/initrd/ssh_host_ed25519_key"]; }; snapshot = { enable = true; mountpoints = ["/var/lib" "/var/log"]; }; zfsborg = { enable = true; repo = "zh2769@zh2769.rsync.net:hel1-a.servers.jakst"; passwordPath = config.age.secrets.borgbackup-password.path; mountpoints = { "/var/lib" = { paths = [ "/var/lib/.snapshot-latest/gitea" "/var/lib/.snapshot-latest/headscale" "/var/lib/.snapshot-latest/matrix-synapse" ]; backup_at = "*-*-* 00:11:00"; }; "/var/log" = { paths = ["/var/log/.snapshot-latest/caddy/"]; patterns = [ "+ /var/log/.snapshot-latest/caddy/access-jakstys.lt.log-*.zst" "- *" ]; backup_at = "*-*-* 00:10:00"; }; }; }; unitstatus = { enable = true; email = "motiejus+alerts@jakstys.lt"; units = ["zfs-scrub" "nixos-upgrade"]; }; }; }; users = { users = { git = { description = "Gitea Service"; home = "/var/lib/gitea"; useDefaultShell = true; group = "gitea"; isSystemUser = true; uid = myData.uidgid.gitea; }; }; groups = { gitea.gid = myData.uidgid.gitea; }; }; environment.systemPackages = with pkgs; [ headscale mailutils nixos-option graphicsmagick ]; services = { tailscale.enable = true; nsd = { enable = true; interfaces = ["0.0.0.0" "::"]; zones = { "jakstys.lt.".data = myData.jakstysLTZone; }; }; zfs = { autoScrub.enable = true; trim.enable = true; expandOnBoot = "all"; }; openssh = { extraConfig = '' AcceptEnv GIT_PROTOCOL ''; }; locate = { enable = true; locate = pkgs.plocate; localuser = null; }; headscale = { enable = true; settings = { server_url = "https://vpn.jakstys.lt"; ip_prefixes = [ myData.tailscale_subnet.cidr "fd7a:115c:a1e0:59b0::/64" ]; log.level = "warn"; dns_config = { nameservers = ["1.1.1.1" "8.8.4.4"]; magic_dns = true; base_domain = "jakst"; }; oidc = { issuer = "https://git.jakstys.lt/"; client_id = "1c5fe796-452c-458d-b295-71a9967642fc"; client_secret_path = "/var/lib/headscale/oidc_client_secret"; # TODO move to secrets }; }; }; gitea = { enable = true; user = "git"; database.user = "git"; settings = { admin.DISABLE_REGULAR_ORG_CREATION = true; api.ENABLE_SWAGGER = false; mirror.ENABLED = false; other.SHOW_FOOTER_VERSION = false; packages.ENABLED = false; repository = { DEFAULT_REPO_UNITS = "repo.code,repo.releases"; DISABLE_MIGRATIONS = true; DISABLE_STARS = true; ENABLE_PUSH_CREATE_USER = true; }; security.LOGIN_REMEMBER_DAYS = 30; server = { ENABLE_GZIP = true; LANDING_PAGE = "/motiejus"; ROOT_URL = "https://git.jakstys.lt"; HTTP_ADDR = "127.0.0.1"; HTTP_PORT = 3000; DOMAIN = "git.jakstys.lt"; }; service = { DISABLE_REGISTRATION = true; ENABLE_TIMETRACKING = false; ENABLE_USER_HEATMAP = false; SHOW_MILESTONES_DASHBOARD_PAGE = false; COOKIE_SECURE = true; }; log.LEVEL = "Error"; # TODO: does not work with 1.7.4, getting error # in the UI when testing the email sending workflow. #mailer = { # ENABLED = true; # MAILER_TYPE = "sendmail"; # FROM = ""; # SENDMAIL_PATH = "${pkgs.system-sendmail}/bin/sendmail"; #}; "service.explore".DISABLE_USERS_PAGE = true; }; }; caddy = { enable = true; email = "motiejus+acme@jakstys.lt"; virtualHosts."recordrecap.jakstys.lt".extraConfig = '' reverse_proxy vno1-oh2.servers.jakst:8080 ''; virtualHosts."vpn.jakstys.lt".extraConfig = '' reverse_proxy 127.0.0.1:8080 ''; virtualHosts."git.jakstys.lt".extraConfig = '' reverse_proxy 127.0.0.1:3000 ''; virtualHosts."turn.jakstys.lt".extraConfig = '' redir https://jakstys.lt ''; virtualHosts."www.jakstys.lt".extraConfig = '' redir https://jakstys.lt ''; virtualHosts."fwmine.jakstys.lt".extraConfig = '' reverse_proxy fwmine.motiejus.jakst:8080 ''; virtualHosts."jakstys.lt" = { logFormat = '' output file ${config.services.caddy.logDir}/access-jakstys.lt.log { roll_disabled } ''; extraConfig = '' header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" header /_/* Cache-Control "public, max-age=31536000, immutable" root * /var/www/jakstys.lt file_server { precompressed br gzip } @matrixMatch { path /.well-known/matrix/client path /.well-known/matrix/server } header @matrixMatch Content-Type application/json header @matrixMatch Access-Control-Allow-Origin * header @matrixMatch Cache-Control "public, max-age=3600, immutable" handle /.well-known/matrix/client { respond "{\"m.homeserver\": {\"base_url\": \"https://jakstys.lt\"}}" 200 } handle /.well-known/matrix/server { respond "{\"m.server\": \"jakstys.lt:443\"}" 200 } handle /_matrix/* { encode gzip reverse_proxy http://127.0.0.1:8008 } ''; }; }; coturn = { enable = true; min-port = 49152; max-port = 49999; no-tcp-relay = true; realm = "turn.jakstys.lt"; cert = "/run/coturn/tls-cert.pem"; pkey = "/run/coturn/tls-key.pem"; static-auth-secret-file = "\${CREDENTIALS_DIRECTORY}/static-auth-secret"; extraConfig = '' verbose no-multicast-peers denied-peer-ip=10.0.0.0-10.255.255.255 denied-peer-ip=192.168.0.0-192.168.255.255 denied-peer-ip=172.16.0.0-172.31.255.255 denied-peer-ip=${myData.tailscale_subnet.range} ''; }; # TODO: app_service_config_files matrix-synapse = { enable = true; settings = { server_name = "jakstys.lt"; admin_contact = "motiejus@jakstys.lt"; enable_registration = false; report_stats = true; signing_key_path = "/run/matrix-synapse/jakstys_lt_signing_key"; extraConfigFiles = ["/run/matrix-synapse/secrets.yaml"]; log_config = pkgs.writeText "log.config" '' version: 1 formatters: precise: format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s' handlers: console: class: logging.StreamHandler formatter: precise loggers: synapse.storage.SQL: level: WARN root: level: ERROR handlers: [console] disable_existing_loggers: false ''; public_baseurl = "https://jakstys.lt/"; database.name = "sqlite3"; url_preview_enabled = false; max_upload_size = "50M"; turn_allow_guests = false; turn_uris = [ "turn:turn.jakstys.lt:3487?transport=udp" "turn:turn.jakstys.lt:3487?transport=tcp" "turns:turn.jakstys.lt:5349?transport=udp" "turns:turn.jakstys.lt:5349?transport=tcp" ]; rc_messages_per_second = 0.2; rc_message_burst_count = 10.0; federation_rc_window_size = 1000; federation_rc_sleep_limit = 10; federation_rc_sleep_delay = 500; federation_rc_reject_limit = 50; federation_rc_concurrent = 3; allow_profile_lookup_over_federation = false; thumbnail_sizes = [ { width = 32; height = 32; method = "crop"; } { width = 96; height = 96; method = "crop"; } { width = 320; height = 240; method = "scale"; } { width = 640; height = 480; method = "scale"; } { width = 800; height = 600; method = "scale"; } ]; user_directory = { enabled = true; search_all_users = false; prefer_local_users = true; }; allow_device_name_lookup_over_federation = false; email = { smtp_host = "127.0.0.1"; smtp_port = 25; notf_for_new_users = false; notif_from = "Jakstys %(app)s homeserver "; }; include_profile_data_on_invite = false; password_config.enabled = true; require_auth_for_profile_requests = true; }; }; postfix = { enable = true; enableSmtp = true; networks = [ "127.0.0.1/8" "[::ffff:127.0.0.0]/104" "[::1]/128" myData.tailscale_subnet.cidr ]; hostname = "${config.networking.hostName}.${config.networking.domain}"; relayHost = "smtp.sendgrid.net"; relayPort = 587; mapFiles = { sasl_passwd = config.age.secrets.sasl-passwd.path; }; extraConfig = '' smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = noanonymous smtp_sasl_tls_security_options = noanonymous smtp_tls_security_level = encrypt header_size_limit = 4096000 ''; }; logrotate = { settings = { "/var/log/caddy/access-jakstys.lt.log" = { rotate = 60; frequency = "daily"; dateext = true; dateyesterday = true; compress = true; compresscmd = "${pkgs.zstd}/bin/zstd"; compressext = ".zst"; compressoptions = "--long -19"; uncompresscmd = "${pkgs.zstd}/bin/unzstd"; postrotate = "${pkgs.systemd}/bin/systemctl restart caddy"; }; }; }; sshguard = { enable = true; blocktime = 900; whitelist = [ "192.168.0.0/16" myData.tailscale_subnet.cidr myData.hosts."vno1-oh2.servers.jakst".publicIP ]; }; }; networking = { hostName = "hel1-a"; domain = "jakstys.lt"; firewall = let coturn = with config.services.coturn; [ { from = min-port; to = max-port; } ]; in { allowedTCPPorts = [ 53 80 443 3478 # turn/headscale 5349 # turn 5350 # turn ]; allowedUDPPorts = [ 53 443 3478 # turn 41641 # tailscale ]; allowedUDPPortRanges = coturn; logRefusedConnections = false; checkReversePath = "loose"; # for tailscale }; }; systemd.tmpfiles.rules = [ "d /run/matrix-synapse 0700 matrix-synapse matrix-synapse -" ]; systemd.services = { coturn = { preStart = '' ln -sf ''${CREDENTIALS_DIRECTORY}/tls-key.pem /run/coturn/tls-key.pem ln -sf ''${CREDENTIALS_DIRECTORY}/tls-cert.pem /run/coturn/tls-cert.pem ''; unitConfig.ConditionPathExists = [ "${turn_cert_dir}/turn.jakstys.lt.key" "${turn_cert_dir}/turn.jakstys.lt.crt" ]; serviceConfig.LoadCredential = [ "static-auth-secret:${config.age.secrets.turn-static-auth-secret.path}" "tls-key.pem:${turn_cert_dir}/turn.jakstys.lt.key" "tls-cert.pem:${turn_cert_dir}/turn.jakstys.lt.crt" ]; }; headscale = { unitConfig.StartLimitIntervalSec = "5m"; # Allow restarts for up to a minute. A start # itself may take a while, thus the window of restart # is higher. unitConfig.StartLimitBurst = 50; serviceConfig.RestartSec = 1; }; matrix-synapse = let # TODO https://github.com/NixOS/nixpkgs/pull/222336 replace with `preStart` secretsScript = pkgs.writeShellScript "write-secrets" '' set -euo pipefail umask 077 ln -sf ''${CREDENTIALS_DIRECTORY}/jakstys_lt_signing_key /run/matrix-synapse/jakstys_lt_signing_key cat > /run/matrix-synapse/secrets.yaml <