move monitoring services to a new host

hosts/alpha/default.nix

@@ -0,0 +1,103 @@
+{
+  pkgs,
+  username,
+  config,
+  ...
+}: {
+  imports = [
+    ./hardware-configuration.nix
+    ../common
+    ../../modules/nixos/uptime-kuma.nix
+  ];
+
+  sops.secrets = {
+    borg_encryption_key = {
+      sopsFile = ./secrets.yaml;
+    };
+
+    "cloudflare_credentials/email" = {
+      sopsFile = ./secrets.yaml;
+    };
+
+    "cloudflare_credentials/dns_api_token" = {
+      sopsFile = ./secrets.yaml;
+    };
+  };
+
+  boot = {
+    kernelPackages = pkgs.linuxPackages_zen;
+    initrd.systemd.enable = true;
+
+    loader = {
+      grub.device = "/dev/sda";
+      timeout = 1;
+    };
+  };
+
+  networking = {
+    hostName = "alpha";
+
+    firewall = {
+      enable = true;
+      allowedTCPPorts = [80 443 22];
+    };
+  };
+
+  security = {
+    sudo.wheelNeedsPassword = false;
+
+    acme = {
+      acceptTerms = true;
+      defaults.email = "0xtux@pm.me";
+      certs = {
+        "tux.rs" = {
+          domain = "*.tux.rs";
+          extraDomainNames = ["tux.rs"];
+          dnsProvider = "cloudflare";
+          credentialFiles = {
+            CLOUDFLARE_EMAIL_FILE = config.sops.secrets."cloudflare_credentials/email".path;
+            CLOUDFLARE_DNS_API_TOKEN_FILE = config.sops.secrets."cloudflare_credentials/dns_api_token".path;
+          };
+        };
+      };
+    };
+  };
+
+  users.users.nginx.extraGroups = ["acme"];
+
+  services = {
+    nginx = {
+      recommendedGzipSettings = true;
+      recommendedOptimisation = true;
+      recommendedProxySettings = true;
+      recommendedTlsSettings = true;
+    };
+
+    borgbackup.jobs.alpha-backup = {
+      paths = [
+        "/var/lib/private/uptime-kuma"
+      ];
+      encryption = {
+        mode = "repokey-blake2";
+        passCommand = "cat ${config.sops.secrets.borg_encryption_key.path}";
+      };
+      environment.BORG_RSH = "ssh -i /home/${username}/.ssh/storagebox";
+      repo = "ssh://u416910@u416910.your-storagebox.de:23/./alpha-backups";
+      compression = "auto,zstd";
+      startAt = "daily";
+    };
+  };
+
+  programs = {
+    zsh.enable = true;
+    nix-ld = {
+      enable = true;
+      package = pkgs.nix-ld-rs;
+    };
+    dconf.enable = true;
+  };
+
+  fonts.packages = with pkgs; [(nerdfonts.override {fonts = ["FiraCode" "JetBrainsMono"];})];
+
+  system.stateVersion = "23.11";
+}

hosts/alpha/hardware-configuration.nix

@@ -0,0 +1,33 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  lib,
+  modulesPath,
+  ...
+}: {
+  imports = [
+    (modulesPath + "/profiles/qemu-guest.nix")
+  ];
+
+  boot.initrd.availableKernelModules = ["ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = [];
+  boot.extraModulePackages = [];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/471d0988-e57c-4767-a2b4-c93797a8c16f";
+    fsType = "ext4";
+  };
+
+  swapDevices = [];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eth0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

hosts/alpha/home.nix

@@ -0,0 +1,5 @@
+{...}: {
+  imports = [
+    ../common/home.nix
+  ];
+}

hosts/alpha/secrets.yaml

@@ -0,0 +1,33 @@
+borg_encryption_key: ENC[AES256_GCM,data:4rS4RVUbSErLEVJuUluYOrw0m2LlYP7zEeYTL4yTmc4=,iv:epNhm2nSDF4Lp+Iu/vZuDiTna+1q59lY7Ztmpcpmb5o=,tag:7o0MwZBdiDSPaL07qVOfWg==,type:str]
+cloudflare_credentials:
+    email: ENC[AES256_GCM,data:Re656wFjQWWNO/k=,iv:NsRdtzMbkOPS9kN/y/IYzRrBr+xmDXp87DTiNwHKesc=,tag:4hGnmto08H2MKxk/7QkI5w==,type:str]
+    dns_api_token: ENC[AES256_GCM,data:703Nk1PaePWYuKNVJkSVTplAvsSTLrYrWdhZlTqlMNRa6m2j5neahg==,iv:RHpz1O1TgFsooYGIJiI8Owwmk5hzd+x+DFADvt+k9C0=,tag:zlDnKbLbSBVXMaHOnk0AuQ==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age14vktfes95f33vuefwnmuvryas7az04u76dsgyhfvsx73czkvmp2q7njkl4
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBkTnRhZVg3MmNiOFpoeTE3
+            SXdtRXN1VS82S3AveDFMRjFYQVJpMDdyQWowCjJrQlIwN2VHQUlUazNaMERnRDJR
+            dFQ2VUpDMlJENVU5cWtIY3pZZU9wSmcKLS0tIEF1NzRkSHJ5cTQrM3RWdUtrYzkw
+            VXI3QzE5UlBhS2g1RUl0TEtaS0NPTW8KAQ+9Hk3HNMhwm33T3mzgkavs6mx4zKqZ
+            xjfB5d5W5UI+7uYC+RQNNA/cVxAgkMiW4OL4HAt2hXD6lrsjNzxzpQ==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age145uq9emlxqzm3wqauy9zqj78wqx9e6h09xag6wust7jjgn4upfzsaemcvx
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSB4OHkvTk5JaWxLbmZ5VEtV
+            S2VkMVl0WGZOYk5WRTJISWMxU0tja0x6alFrCnJISFNTbDhNRXJjUDJDS1JmWmRK
+            aGhyaFBjNTlhanE3UGdQb0JFUWFCTWcKLS0tIDhVZ1JxcGJUcWsvWVFSWFZWYjdx
+            K2syUkFRb3F3aFFFeis3OFR4ZENielEKGrUQCi7xaPzJKypvy4tyoSG1a2/l5Le0
+            dVcheJcRJvoo89WWrciMhZ/MCs5kffI464RVW7q9BxbJRDO2Obm2dw==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2024-09-13T09:10:11Z"
+    mac: ENC[AES256_GCM,data:GTzDXeEzRFmrX0PU0GKPF5JwscZUrzUmB90ThHPZ7oqflOPpZBrotOo4MZCcU37HEPAXVeFUzVnsjN5bOp5RFqs70r9upj2jXiIsbx/yskcPOML3GAFmVc9HbjOK9TLyie2bJWaFhT+b7CgiJvyIu0QEh43dqSI4d3H1T8Hqn1o=,iv:kcV3Xz276+PKrztSIDB2SiJjDV2iqCn2A90AjEO326M=,tag:3xu3sQeRB15Os06i484GFw==,type:str]
+    pgp: []
+    unencrypted_suffix: _unencrypted
+    version: 3.9.0