hosts: add kabtopci prototype

hosts/default.nix

@@ -65,7 +65,7 @@ in
       agenix.nixosModules.default
       ./laptop
       ./configuration_desktop.nix
-      ../modules/hardware/remoteClient.nix
+      ../modules/hardware/hydraCache.nix
       nixos-hardware.nixosModules.common-cpu-intel
       nixos-hardware.nixosModules.common-pc-ssd
 
@@ -156,7 +156,7 @@ in
       agenix.nixosModules.default
       ./nasbackup
       ./configuration_desktop.nix
-      ../modules/hardware/remoteClient.nix
+      ../modules/hardware/hydraCache.nix
       nixos-hardware.nixosModules.common-cpu-intel
       nixos-hardware.nixosModules.common-pc-ssd
 
@@ -178,7 +178,7 @@ in
       agenix.nixosModules.default
       ./jupiter
       ./configuration_desktop.nix
-      ../modules/hardware/remoteClient.nix
+      ../modules/hardware/hydraCache.nix
       nixos-hardware.nixosModules.common-cpu-intel
       nixos-hardware.nixosModules.common-pc-ssd
 
@@ -193,6 +193,27 @@ in
     ];
   };
 
+  kabtopci = lib.nixosSystem {                                # Desktop profile
+    inherit system;
+    specialArgs = { inherit inputs user location nixos-hardware agenix nixpkgs impermanence; };
+    modules = [
+      agenix.nixosModules.default
+      microvm.nixosModules.host
+      ./dmz
+      ./configuration_server.nix
+      nixos-hardware.nixosModules.common-pc-ssd
+
+      home-manager.nixosModules.home-manager {
+        home-manager.useGlobalPkgs = true;
+        home-manager.useUserPackages = true;
+        home-manager.extraSpecialArgs = { inherit user; };
+        home-manager.users.${user} = {
+        imports = [(import ./home_server.nix)] ++ [(import ./kabtopci/home.nix)];
+        };
+      }
+    ];
+  };
+
   dmz = lib.nixosSystem {                                # Desktop profile
     inherit system;
     specialArgs = { inherit inputs user location nixos-hardware agenix nixpkgs impermanence; };

hosts/kabtopci/default.nix

@@ -0,0 +1,50 @@
+#
+#  Specific system configuration settings for desktop
+#
+#  flake.nix
+#   ├─ ./hosts
+#   │   └─ ./laptop
+#   │        ├─ default.nix *
+#   │        └─ hardware-configuration.nix       
+#   └─ ./modules
+#       ├─ ./desktop
+#       │   └─ ./hyprland
+#       │       └─ hyprland.nix
+#       ├─ ./modules
+#       │   └─ ./programs
+#       │       └─ waybar.nix
+#       └─ ./hardware
+#           └─ default.nix
+#
+
+{ config, pkgs, user, agenix, impermanence, ... }:
+
+{
+  imports =                                                         # For now, if applying to other system, swap files
+    [(import ./hardware-configuration.nix)] ++                      # Current system hardware config @ /etc/nixos/hardware-configuration.nix
+    [(import ../../modules/wm/virtualisation/docker.nix)] ++   # Docker
+    [(import ../../modules/wm/virtualisation/kvm-intel.nix)] ++   # Docker
+    (import ../../modules/services/kabtopci);                       # Server Services
+
+  boot = {                                  # Boot options
+    kernelPackages = pkgs.linuxPackages_latest;
+
+    loader = {                              # EFI Boot
+      systemd-boot.enable = true;
+      efi = {
+        canTouchEfiVariables = true;
+        efiSysMountPoint = "/boot";
+      };
+      timeout = 1;                          # Grub auto select time
+    };
+  };
+
+  programs = {                              # No xbacklight, this is the alterantive
+    zsh.enable = true;
+  };
+
+  services = {
+    qemuGuest.enable = true;
+  };
+
+}

hosts/kabtopci/hardware-configuration.nix

@@ -0,0 +1,113 @@
+#
+# Hardware settings for Teclast F5 10" Laptop
+# NixOS @ sda2
+#
+# flake.nix
+#  └─ ./hosts
+#      └─ ./laptop
+#          └─ hardware-configuration.nix *
+#
+# 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.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "uhci_hcd" "ehci_pci" "ahci" "virtio_pci" "virtio_scsi" "sr_mod" "virtio_blk" ];
+  boot.initrd.kernelModules = [ "vfio_pci" "vfio" "vfio_iommu_type1" ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+  boot.tmp.useTmpfs = false;
+  boot.tmp.cleanOnBoot = true;
+  zramSwap.enable = true;
+
+  services.btrfs.autoScrub = {
+    enable = true;
+    interval = "monthly";
+    fileSystems = [
+      "/"
+    ];
+  };
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@,discard=async" ];
+    };
+
+  fileSystems."/home" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@home,discard=async" ];
+    };
+
+  fileSystems."/srv" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@srv,discard=async" ];
+    };
+
+  fileSystems."/var" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@var,discard=async" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@nix,discard=async" ];
+    };
+
+  fileSystems."/swap" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@swap,discard=async" ];
+    };
+
+  fileSystems."/mnt/snapshots/root" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvolid=5,discard=async" ];
+    };
+
+  swapDevices = [  ];
+  
+  networking = {
+    useDHCP = false;                        # Deprecated
+    hostName = "kabtopci";
+    domain = "ci.kabtop.de";
+    networkmanager = {
+      enable = false;
+    };
+    interfaces = {
+      ens18 = {
+        useDHCP = false;                     # For versatility sake, manually edit IP on nm-applet.
+        ipv4.addresses = [ {
+            address = "195.90.221.87";
+            prefixLength = 24;
+        } ];
+        ipv6.addresses = [ {
+            address = "2a00:6800:3:d5b::2";
+            prefixLength = 64;
+        } ];
+      };
+    };
+    defaultGateway = "195.90.221.1";
+    defaultGateway6 = {
+      address = "2a00:6800:3::1";
+      interface = "ens18";
+    };
+
+    nameservers = [ "9.9.9.9" "2620:fe::fe" ];
+    firewall = {
+      enable = true;
+      allowedUDPPorts = [  ];
+      allowedTCPPorts = [ 80 443 ];
+    };
+  };
+}

hosts/kabtopci/home.nix

@@ -0,0 +1,39 @@
+#
+#  Home-manager configuration for laptop
+#
+#  flake.nix
+#   ├─ ./hosts
+#   │   └─ ./laptop
+#   │       └─ home.nix *
+#   └─ ./modules
+#       └─ ./desktop
+#           └─ ./hyprland
+#              └─ hyprland.nix
+#
+
+{ pkgs, ... }:
+
+{
+  imports =
+    [
+      ../../modules/home.nix # Window Manager
+    ];
+
+  home = {                                # Specific packages for laptop
+    packages = with pkgs; [
+      # Applications
+
+      # Display
+      #light                              # xorg.xbacklight not supported. Other option is just use xrandr.
+
+      # Power Management
+      #auto-cpufreq                       # Power management
+      #tlp                                # Power management
+    ];
+  };
+
+  programs = {
+    alacritty.settings.font.size = 11;
+  };
+
+}

modules/services/kabtopci/default.nix

@@ -0,0 +1,19 @@
+#
+#  Services
+#
+#  flake.nix
+#   ├─ ./hosts
+#   │   └─ home.nix
+#   └─ ./modules
+#       └─ ./services
+#           └─ default.nix *
+#               └─ ...
+#
+
+[
+#  ./microvm.nix
+  ./hydra.nix
+]
+
+# picom, polybar and sxhkd are pulled from desktop module
+# redshift temporarely disables

modules/services/kabtopci/gitea_runner.nix

@@ -0,0 +1,59 @@
+{ lib, config, pkgs, ... }:
+
+{
+    virtualisation = {
+      podman ={
+        enable = true;
+        autoPrune.enable = true;
+        dockerCompat = true;
+      };
+      containers.containersConf.settings = {
+        # podman seems to not work with systemd-resolved
+        containers.dns_servers = [ "8.8.8.8" "8.8.4.4" ];
+      };
+    };
+
+    services.gitea-actions-runner.instances = {
+        cirunner = {
+            enable = true;
+            url = "https://git.kabtop.de";
+            name = "CI Kabtop runner";
+            tokenFile = config.age.secrets."services/gitea/cirunner-token".path;
+            labels = [ 
+              "ci"
+              "debian-latest:docker://node:18-bullseye"
+              "ubuntu-latest:docker://node:16-bullseye"
+              "ubuntu-22.04:docker://node:16-bullseye"
+              "ubuntu-20.04:docker://node:16-bullseye"
+              "ubuntu-18.04:docker://node:16-buster"
+              "native:host"
+            ];
+            hostPackages = with pkgs; [
+              bash
+              coreutils
+              curl
+              gawk
+              gitMinimal
+              gnused
+              nodejs
+              wget
+            ];
+            settings = {
+             # container.options = "-e NIX_BUILD_SHELL=/bin/bash -e PAGER=cat -e PATH=/bin -e SSL_CERT_FILE=/etc/ssl/certs/ca-bundle.crt --device /dev/kvm -v /nix:/nix -v ${storeDeps}/bin:/bin -v ${storeDeps}/etc/ssl:/etc/ssl --user nixuser --device=/dev/kvm";
+               # the default network that also respects our dns server settings
+              container.network = "host";
+              container.privileged = false;
+             # container.valid_volumes = [
+             #   "/nix"
+             #   "${storeDeps}/bin"
+             #   "${storeDeps}/etc/ssl"
+             # ];
+            };
+        };
+    };
+
+    age.secrets."services/gitea/cirunner-token" = {
+      file = ../../../secrets/services/gitea/cirunner-token.age;
+      owner = "gitea-runner";
+    };
+}

modules/services/kabtopci/hydra.nix

@@ -0,0 +1,78 @@
+{ lib, config, pkgs, ... }:
+
+{
+    services = {
+      hydra = {
+        enable = true;
+        hydraURL = "https://hydra.ci.kabtop.de";
+        listenHost = "127.0.0.1";
+        notificationSender = "hydra@kabtop.de";
+        useSubstitutes = true;
+        minimumDiskFree = 30;
+      };
+      nix-serve = {
+          enable = true;
+          port = 5001;
+          bindAddress = "127.0.0.1";
+          secretKeyFile = config.age.secrets."keys/nixsign".path;
+      };
+      nginx = {
+        enable = true;
+        recommendedProxySettings = true;
+        recommendedTlsSettings = true;
+        recommendedGzipSettings = true;
+        recommendedOptimisation = true;
+        virtualHosts = {
+          "ci.kabtop.de" = {
+            enableACME = true;
+            forceSSL = true;
+            default = true;
+            locations."/".return = "503";
+          };
+          "hydra.ci.kabtop.de" = {
+            enableACME = true;
+            forceSSL = true;
+            locations."/" = {
+              proxyPass = "http://localhost:3000";
+              extraConfig = ''
+                proxy_set_header X-Forwarded-Port 443;
+              '';
+            };
+          };
+          "cache.ci.kabtop.de" = {
+            enableACME = true;
+            forceSSL = true;
+            locations."/".proxyPass = "http://${config.services.nix-serve.bindAddress}:${toString config.services.nix-serve.port}";
+          };
+        };
+      };
+    };
+
+    security.acme = {
+      acceptTerms = true;
+      defaults = {
+        email = "webmaster@kabtop.de";
+        webroot = "/var/lib/acme/acme-challenge";
+        #server = "https://acme-staging-v02.api.letsencrypt.org/directory";
+      };
+    };
+    
+    nix = {
+      settings = {
+        trusted-users = [
+          "hydra"
+        ];
+        allowed-uris = "github:";
+      };
+
+      extraOptions = ''
+        secret-key-files = ${config.age.secrets."keys/nixsign".path}
+      '';
+    };
+    
+    age.secrets."keys/nixsign" = {
+      file = ../../../secrets/keys/nixservepriv.age;
+      owner = "hydra";
+    };
+
+}

modules/services/kabtopci/microvm.nix

@@ -0,0 +1,129 @@
+{ config, microvm, lib, pkgs, user, agenix, impermanence, ... }:
+let
+  name = "gitea-runner";
+in
+{
+  microvm = {
+    autostart = [
+      name
+    ];
+    vms = {
+      ${name} = {
+
+        inherit pkgs;
+
+        config = {
+          imports = 
+            [ agenix.nixosModules.default ] ++
+            [ impermanence.nixosModules.impermanence ] ++
+            [( ./gitea_runner.nix )];
+
+          networking = {
+            hostName = "${name}";
+
+            firewall = {
+              enable = true;
+                allowedUDPPorts = [  ];
+                allowedTCPPorts = [  ];
+            };
+          };
+          systemd.network = {
+              enable = true;
+              networks = {
+                  "10-lan" = {
+                      matchConfig.Name = "*";
+                      networkConfig = {
+                        DHCP = "yes";
+                        IPv6AcceptRA = true;
+                      };
+                  };
+              };
+          };
+
+          users.users.${user} = {                   # System User
+            isNormalUser = true;
+            extraGroups = [ "wheel" ];
+            uid = 2000;
+            openssh.authorizedKeys.keys = [
+              "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIANmaraVJ/o20c4dqVnGLp/wGck9QNHFPvO9jcEbKS29AAAABHNzaDo= kabbone@kabc"
+              "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIIgo4IP8ISUohyAMiDc3zEe6ESUE3un7eN5FhVtxZHmcAAAABHNzaDo= kabbone@kabc"
+              "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIKVDApb3vZ+i97V4xLJh8rUF6z5OVYfORlXYbLhdQO15AAAABHNzaDo= kabbone@hades.home.opel-online.de"
+              "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIB0q++epdX7feQxvmC2m/CJEoJbkqtAJy6Ml6WKHxryZAAAABHNzaDo= kabbone@hades.home.opel-online.de"
+            ];
+          };
+          services = {
+            openssh = {
+              enable = true;
+              settings.PasswordAuthentication = false;
+              hostKeys = [
+              {
+                  path = "/persist/etc/ssh/ssh_host_ed25519_key";
+                  type = "ed25519";
+              }
+              {
+                  path = "/persist/etc/ssh/ssh_host_rsa_key";
+                  type = "rsa";
+                  bits = 4096;
+              }];
+            };
+          };
+
+          fileSystems."/persist".neededForBoot = lib.mkForce true;
+
+          environment = {
+            systemPackages = with pkgs; [           # Default packages install system-wide
+               bash
+               coreutils
+               curl
+               gawk
+               gitMinimal
+               gnused
+               nodejs
+               wget
+            ];
+            persistence."/persist" = {
+              directories = [
+                "/var/log"
+                "/var/lib/private"
+              ];
+
+              files = [
+                "/etc/machine-id"
+              ];
+            };
+          };
+
+          microvm = {
+            hypervisor = "qemu";
+            vcpu = 4;
+            mem = 4096;
+            balloonMem = 4096;
+            #kernel = pkgs.linuxKernel.packages.linux_latest;
+            interfaces = [
+            {
+              type = "user";
+              id = "vm-${name}";
+              mac = "04:00:00:00:00:02";
+            } ];
+             shares = [{
+              source = "/nix/store";
+              mountPoint = "/nix/.ro-store";
+              tag = "ro-store";
+              proto = "virtiofs";
+            }
+            {
+              source = "/etc/vm-persist/${name}";
+              mountPoint = "/persist";
+              tag = "persist";
+              proto = "virtiofs";
+            }];
+            #writableStoreOverlay = "/nix/.rw-store";
+            #storeOnDisk = true;
+          };
+
+          system.stateVersion = "23.05";
+        };
+      };
+    };
+  };
+}