Merge pull request 'iso: add PubSolarOS naming, drone pipeline' (#137) from feature/our-super-iso-label into main

Reviewed-on: https://git.b12f.io/pub-solar/os/pulls/137
Reviewed-by: Benjamin Bädorf <hello@benjaminbaedorf.eu>

.drone.yml

@@ -98,7 +98,14 @@ steps:
       - |
         nix $$NIX_FLAGS build \
           '.#nixosConfigurations.bootstrap.config.system.build.isoImage'
-      - cp $(readlink -f result)/iso/*.iso /var/nix/iso-cache/
+      - cp $(readlink -f result)/iso/PubSolarOS*.iso /var/nix/iso-cache/
+      - nix shell nixpkgs#findutils
+      - cd /var/nix/iso-cache/
+      - export ISO_NAME=$(find . -name '*.iso' -printf "%f\n")
+      - sha256sum $ISO_NAME > $ISO_NAME.sha256
+      - ln -s $ISO_NAME PubSolarOS-latest.iso
+      - cp $ISO_NAME.sha256 PubSolarOS-latest.iso.sha256
+      - nix run nixpkgs#gnused -- --in-place "s/$ISO_NAME/PubSolarOS-latest.iso/" PubSolarOS-latest.iso.sha256
 
   - name: "Publish ISO"
     image: appleboy/drone-scp
@@ -117,6 +124,8 @@ steps:
       target: /srv/os
       source:
         - /var/nix/iso-cache/*.iso
+        - /var/nix/iso-cache/*.iso.sha256
+      overwrite: true
       strip_components: 3
 
 depends_on:
@@ -134,6 +143,6 @@ volumes:
 
 ---
 kind: signature
-hmac: 2b930bb5fe02006203b7c2fae8af75814749e8cec5f976ec0d6e64eae1b0c5db
+hmac: 7b0b56a97294cd563eee2bde56abeea6dd0928e01729980a25f8c165a3f6e0f6
 
 ...

hosts/bootstrap.nix

@@ -1,4 +1,18 @@
-{ profiles, ... }:
+{ config, lib, pkgs, profiles, ... }:
+with lib;
+let
+  # Gets hostname of host to be bundled inside iso
+  # Copied from https://github.com/divnix/digga/blob/30ffa0b02272dc56c94fd3c7d8a5a0f07ca197bf/modules/bootstrap-iso.nix#L3-L11
+  getFqdn = config:
+    let
+      net = config.networking;
+      fqdn =
+        if (net ? domain) && (net.domain != null)
+        then "${net.hostName}.${net.domain}"
+        else net.hostName;
+    in
+      fqdn;
+in
 {
   # build with: `nix build ".#nixosConfigurations.bootstrap.config.system.build.isoImage"`
   imports = [
@@ -10,11 +24,22 @@
     profiles.pub-solar-iso
   ];
 
+  config = {
     boot.loader.systemd-boot.enable = true;
 
     # will be overridden by the bootstrapIso instrumentation
     fileSystems."/" = { device = "/dev/disk/by-label/nixos"; };
 
+    system.nixos.label = "PubSolarOS-" + config.system.nixos.version;
+
+    # mkForce because a similar transformation gets double applied otherwise
+    # https://github.com/divnix/digga/blob/30ffa0b02272dc56c94fd3c7d8a5a0f07ca197bf/modules/bootstrap-iso.nix#L17
+    # https://github.com/NixOS/nixpkgs/blob/aecd4d8349b94f9bd5718c74a5b789f233f67326/nixos/modules/installer/cd-dvd/installation-cd-base.nix#L21-L22
+    isoImage = {
+      isoBaseName =  mkForce (getFqdn config);
+      isoName = mkForce "${config.system.nixos.label}-${config.isoImage.isoBaseName}-${pkgs.stdenv.hostPlatform.system}.iso";
+    };
+
     # This value determines the NixOS release from which the default
     # settings for stateful data, like file locations and database versions
     # on your system were taken. It‘s perfectly fine and recommended to leave
@@ -22,4 +47,5 @@
     # Before changing this value read the documentation for this option
     # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
     system.stateVersion = "21.05"; # Did you read the comment?
+  };
 }

modules/core/default.nix

@@ -2,7 +2,6 @@
 
 with lib;
 let
-  psCfg = config.pub-solar;
   cfg = config.pub-solar.core;
 in
 {
@@ -29,12 +28,12 @@ in
 
   config = {
     pub-solar = {
-      audio.enable = lib.mkIf (!cfg.lite) (lib.mkDefault true);
-      crypto.enable = lib.mkIf (!cfg.lite) (lib.mkDefault true);
-      devops.enable = lib.mkIf (!cfg.lite) (lib.mkDefault true);
+      audio.enable = mkIf (!cfg.lite) (mkDefault true);
+      crypto.enable = mkIf (!cfg.lite) (mkDefault true);
+      devops.enable = mkIf (!cfg.lite) (mkDefault true);
 
       terminal-life = {
-        enable = lib.mkDefault true;
+        enable = mkDefault true;
         lite = cfg.lite;
       };
     };