Emulate other architectures in owl nodes too

Allows cross-compilation of packages for RISC-V that are known to try to
run RISC-V programs in the host.

m/hut/configuration.nix

@@ -6,6 +6,7 @@
 
     ../module/ceph.nix
     ../module/debuginfod.nix
+    ../module/emulation.nix
     ../module/slurm-client.nix
     ./gitlab-runner.nix
     ./monitoring.nix
@@ -19,8 +20,6 @@
     #./pxe.nix
   ];
 
-  boot.binfmt.emulatedSystems = [ "armv7l-linux" "aarch64-linux" "powerpc64le-linux" "riscv64-linux" ];
-
   # Select the this using the ID to avoid mismatches
   boot.loader.grub.device = "/dev/disk/by-id/ata-INTEL_SSDSC2BB240G7_PHDV6462004Y240AGN";
 

m/module/emulation.nix

@@ -0,0 +1,3 @@
+{
+  boot.binfmt.emulatedSystems = [ "armv7l-linux" "aarch64-linux" "powerpc64le-linux" "riscv64-linux" ];
+}

m/owl1/configuration.nix

@@ -4,6 +4,7 @@
   imports = [
     ../common/xeon.nix
     ../module/ceph.nix
+    ../module/emulation.nix
     ../module/slurm-client.nix
     ../module/slurm-firewall.nix
     ../module/slurm-hut-nix-store.nix

m/owl2/configuration.nix

@@ -4,6 +4,7 @@
   imports = [
     ../common/xeon.nix
     ../module/ceph.nix
+    ../module/emulation.nix
     ../module/slurm-client.nix
     ../module/slurm-firewall.nix
     ../module/slurm-hut-nix-store.nix