{ config, pkgs, myData, ... }: { zfs-root = { boot = { enable = true; devNodes = "/dev/disk/by-id/"; bootDevices = ["nvme-Samsung_SSD_970_EVO_Plus_2TB_S6P1NX0TA00913P"]; immutable = false; availableKernelModules = ["ahci" "xhci_pci" "nvme" "usbhid" "sdhci_pci" "r8169"]; removableEfi = true; kernelParams = [ "ip=192.168.189.1::192.168.189.4:255.255.255.0:vno1-oh2.jakstys.lt:enp3s0:off" ]; sshUnlock = { enable = true; authorizedKeys = (builtins.attrValues myData.people_pubkeys) ++ [myData.hosts."hel1-a.servers.jakst".publicKey]; }; }; }; mj = { stateVersion = "23.05"; timeZone = "Europe/Vilnius"; base = { zfs.enable = true; users.passwd = { root.passwordFile = config.age.secrets.root-passwd-hash.path; motiejus.passwordFile = config.age.secrets.motiejus-passwd-hash.path; }; snapshot = { enable = true; mountpoints = ["/home"]; }; zfsborg = { enable = true; passwordPath = config.age.secrets.borgbackup-password.path; sshKeyPath = "/etc/ssh/ssh_host_ed25519_key"; mountpoints = { "/home" = { repo = "zh2769@zh2769.rsync.net:${config.networking.hostName}.${config.networking.domain}-home-motiejus-annex2"; paths = [ "/home/.snapshot-latest/motiejus/annex2" "/home/.snapshot-latest/motiejus/.config/syncthing" ]; backup_at = "*-*-* 00:05:00 UTC"; }; }; }; unitstatus = { enable = true; email = "motiejus+alerts@jakstys.lt"; }; }; services = { friendlyport.vpn.ports = [ 80 443 myData.ports.grafana myData.ports.prometheus myData.ports.exporters.node ]; nsd-acme = { enable = true; zones."grafana.jakstys.lt" = { accountKey = config.age.secrets.letsencrypt-account-key.path; staging = false; }; }; deployerbot = { main = { enable = true; uidgid = myData.uidgid.updaterbot-deployer; repo = "git@git.jakstys.lt:motiejus/config"; deployDerivations = [".#vno1-oh2" ".#hel1-a"]; }; follower = { enable = true; uidgid = myData.uidgid.updaterbot-deployee; publicKey = myData.hosts."vno1-oh2.servers.jakst".publicKey; }; }; postfix = { enable = true; saslPasswdPath = config.age.secrets.sasl-passwd.path; }; syncthing = { enable = true; dataDir = "/home/motiejus/"; user = "motiejus"; group = "users"; }; zfsunlock = { enable = true; targets."hel1-a.servers.jakst" = { sshEndpoint = myData.hosts."hel1-a.servers.jakst".publicIP; pingEndpoint = "hel1-a.servers.jakst"; remotePubkey = myData.hosts."hel1-a.servers.jakst".initrdPubKey; pwFile = config.age.secrets.zfs-passphrase-hel1-a.path; startAt = "*-*-* *:00/5:00"; }; }; }; }; services = { tailscale.enable = true; caddy = { enable = true; acmeCA = null; virtualHosts."grafana.jakstys.lt" = { extraConfig = '' reverse_proxy 127.0.0.1:3000 tls {$CREDENTIALS_DIRECTORY}/grafana.jakstys.lt-cert.pem {$CREDENTIALS_DIRECTORY}/grafana.jakstys.lt-key.pem ''; }; }; grafana = { enable = true; provision = { enable = true; datasources.settings = { apiVersion = 1; datasources = [ { name = "Prometheus"; type = "prometheus"; access = "proxy"; url = "http://127.0.0.1:${toString config.services.prometheus.port}"; } ]; }; }; settings = { server = { domain = "grafana.jakstys.lt"; root_url = "https://grafana.jakstys.lt"; enable_gzip = true; http_addr = "0.0.0.0"; http_port = myData.ports.grafana; }; }; }; prometheus = { enable = true; port = myData.ports.prometheus; exporters = { node = { enable = true; enabledCollectors = ["systemd" "processes"]; port = myData.ports.exporters.node; }; }; globalConfig = { scrape_interval = "15s"; evaluation_interval = "15s"; }; scrapeConfigs = let port = builtins.toString myData.ports.exporters.node; in [ { job_name = "${config.networking.hostName}.${config.networking.domain}"; static_configs = [{targets = ["127.0.0.1:${port}"];}]; } { job_name = "hel1-a.servers.jakst"; static_configs = [{targets = ["${myData.hosts."hel1-a.servers.jakst".jakstIP}:${port}"];}]; } ]; }; nsd = { enable = true; interfaces = ["0.0.0.0" "::"]; zones = { "jakstys.lt.".data = myData.jakstysLTZone; }; }; }; systemd.services = { caddy = let grafanaZone = config.mj.services.nsd-acme.zones."grafana.jakstys.lt"; in { unitConfig.ConditionPathExists = [ grafanaZone.certFile grafanaZone.keyFile ]; serviceConfig.LoadCredential = [ "grafana.jakstys.lt-cert.pem:${grafanaZone.certFile}" "grafana.jakstys.lt-key.pem:${grafanaZone.keyFile}" ]; after = ["nsd-acme-grafana.jakstys.lt.service"]; wants = ["nsd-acme-grafana.jakstys.lt.service"]; }; cert-watcher = { description = "Restart caddy when tls keys/certs change"; wantedBy = ["multi-user.target"]; unitConfig = { StartLimitIntervalSec = 10; StartLimitBurst = 5; }; serviceConfig = { Type = "oneshot"; ExecStart = "${pkgs.systemd}/bin/systemctl restart caddy.service"; }; }; }; systemd.paths = { cert-watcher = { wantedBy = ["multi-user.target"]; pathConfig = { PathChanged = [ config.mj.services.nsd-acme.zones."grafana.jakstys.lt".certFile ]; Unit = "cert-watcher.service"; }; }; }; networking = { hostId = "f9117e1b"; hostName = "vno1-oh2"; domain = "servers.jakst"; defaultGateway = "192.168.189.4"; nameservers = ["192.168.189.4"]; interfaces.enp3s0.ipv4.addresses = [ { address = "192.168.189.1"; prefixLength = 24; } ]; firewall = { allowedUDPPorts = [53 80 443]; allowedTCPPorts = [53 80 443]; logRefusedConnections = false; checkReversePath = "loose"; # for tailscale }; }; }