Drone VM works

app/drone-ci/build/machine-config.nix

@@ -42,9 +42,13 @@ with lib;
 
     virtualisation.docker.enable = true;
     virtualisation.oci-containers.backend = "docker";
-    systemd.user.services.drone_nix_setup = {
+    systemd.services.drone_nix_setup = {
+      enable = true;
+      path = [
+        pkgs.docker
+      ];
       script = ''
-        docker run --rm -it -v /var/lib/drone/nix:/mnt nixpkgs/nix:nixos-21.05 cp -r /nix/{store,var} /mnt/
+        docker run --rm -v /var/lib/drone/nix:/mnt nixpkgs/nix:nixos-21.05 cp -r /nix/{store,var} /mnt/
       '';
       wantedBy = [ "multi-user.target" ];
     };

app/drone-ci/deploy/runner-vm.hcl

@@ -9,12 +9,6 @@ job "drone-runner" {
       }
     }
 
-    constraint {
-      attribute = "${attr.unique.hostname}"
-      operator = "="
-      value = "caribou"
-    }
-
     task "drone-runner-vm" {
       driver = "qemu"
 
@@ -25,6 +19,7 @@ job "drone-runner" {
           "-drive", "index=1,file=fat:rw:/var/lib/nomad/alloc/${NOMAD_ALLOC_ID}/${NOMAD_TASK_NAME}/secrets,format=raw,media=disk",
           "-device", "e1000,netdev=user.0",
           "-netdev", "user,id=user.0,hostfwd=tcp::${NOMAD_PORT_ssh}-:22",
+          "-smp", "2",
         ]
         port_map {
           ssh = 22