* Generate a nova.conf file.

* Provide a configuration.nix in Nova images.

svn path=/nixos/trunk/; revision=27224

modules/virtualisation/nova-config.nix

@@ -0,0 +1,5 @@
+{ config, pkgs, modulesPath, ... }:
+
+{
+  require = [ "${modulesPath}/virtualisation/nova-image.nix" ];
+}

modules/virtualisation/nova-image.nix

@@ -57,7 +57,7 @@ with pkgs.lib;
 
           # Install a configuration.nix.
           mkdir -p /mnt/etc/nixos
-          #cp ${./amazon-config.nix} /mnt/etc/nixos/configuration.nix
+          cp ${./nova-config.nix} /mnt/etc/nixos/configuration.nix
 
           # Generate the GRUB menu.
           chroot /mnt ${config.system.build.toplevel}/bin/switch-to-configuration boot
@@ -71,17 +71,8 @@ with pkgs.lib;
     [ { mountPoint = "/";
         device = "/dev/disk/by-label/nixos";
       }
-      #{ mountPoint = "/ephemeral0";
-      #  device = "/dev/xvdc";
-      #  neededForBoot = true;
-      #}
     ];
 
-  /*
-  swapDevices =
-    [ { device = "/dev/xvdb"; } ];
-  */
-  
   boot.kernelParams = [ "console=ttyS0" ];
 
   boot.initrd.kernelModules = [ "aufs" ];

modules/virtualisation/nova.nix

@@ -10,6 +10,12 @@ let
 
   nova = pkgs.nova;
 
+  novaConf = pkgs.writeText "nova.conf"
+    ''
+      --nodaemon
+      --verbose
+    '';
+
 in
 
 {
@@ -87,7 +93,7 @@ in
         # required to generate key pairs.
         path = [ pkgs.openssl pkgs.openssh ];
           
-        exec = "${nova}/bin/nova-api";
+        exec = "${nova}/bin/nova-api --flagfile=${novaConf}";
       };
 
     # `nova-objectstore' is a simple image server.  Useful if you're
@@ -105,7 +111,7 @@ in
             mkdir -m 700 -p /var/lib/nova/images
           '';
 
-        exec = "${nova}/bin/nova-objectstore --nodaemon";
+        exec = "${nova}/bin/nova-objectstore --flagfile=${novaConf}";
       };
 
     # `nova-scheduler' schedules VM execution requests.
@@ -116,7 +122,7 @@ in
 
         startOn = "ip-up";
 
-        exec = "${nova}/bin/nova-scheduler --nodaemon --verbose";
+        exec = "${nova}/bin/nova-scheduler --flagfile=${novaConf}";
       };
 
     # `nova-compute' starts and manages virtual machines.
@@ -132,7 +138,7 @@ in
             pkgs.e2fsprogs pkgs.utillinux pkgs.multipath_tools
           ];
 
-        exec = "${nova}/bin/nova-compute --nodaemon --verbose";
+        exec = "${nova}/bin/nova-compute --flagfile=${novaConf}";
       };
 
     # `nova-network' manages networks and allocates IP addresses.
@@ -148,7 +154,7 @@ in
             pkgs.iproute pkgs.bridge_utils pkgs.radvd
           ];
 
-        exec = "${nova}/bin/nova-network --nodaemon --verbose";
+        exec = "${nova}/bin/nova-network --flagfile=${novaConf}";
       };
 
   };