Merge branch 'skycam'

hosts/skycam/README.md

@@ -20,3 +20,10 @@ SD card | `/dev/mmcblk0` (ext4, NixOS Root)
 ## Devices and connections
 - Camera Module 3 with wide-angle lens
 
+## Building
+To generate a compressed SD card image for Skycam, run:
+`nix build '.#nixosConfigurations.skycam.config.system.build.sdImage'`
+
+Once a card is imaged, the existing SSH host keys should be copied to
+`/etc/ssh` manually to enable secret decryption.
+

hosts/skycam/default.nix

@@ -42,7 +42,6 @@
     };
     firmware = with pkgs; [
       firmwareLinuxNonfree
-      wireless-regdb
     ];
   };
 
@@ -67,13 +66,31 @@
 
   services.openssh.settings.PermitRootLogin = lib.mkForce "prohibit-password";
 
+  systemd.services.ustreamer = {
+    enable = true;
+    description = "uStreamer service";
+    unitConfig = {
+      Type = "simple";
+      ConditionPathExists = "/sys/bus/i2c/drivers/imx708/10-001a/video4linux";
+    };
+    serviceConfig = {
+      ExecStart = ''${pkgs.libcamera}/bin/libcamerify ${pkgs.unstable.ustreamer}/bin/ustreamer \
+        --host=0.0.0.0 \
+        --resolution=4608x2592
+      '';
+      Restart = "always";
+      RestartSec = 10;
+    };
+    wantedBy = [ "network-online.target" ];
+    confinement.mode = "chroot-only";
+  };
+
   environment.systemPackages = with pkgs; [
-    camera-streamer
     git
     neovim
+    libcamera
     libraspberrypi
     raspberrypi-eeprom
-    rpicam-apps
     v4l-utils
     unstable.ustreamer
   ];

hosts/skycam/hardware-configuration.nix

@@ -7,9 +7,12 @@
 
   boot = {
     kernelModules = [ "bcm2835-v4l2" ];
-    kernelParams = [ "cma=512M" ];
-    supportedFilesystems = lib.mkForce [ "f2fs" "vfat xfs" ];
-    tmp.cleanOnBoot = true;
+    kernelParams = [
+      "cma=512M"
+      "panic=0"
+    ];
+    supportedFilesystems = lib.mkForce [ "f2fs" "vfat" "xfs" ];
+    tmp.cleanOnBoot = false;
   };
 
   nixpkgs.overlays = [