Added closed-install example of configurable Live DVD. Tested: virtual network of two QEmu-s, one is booted from that LiveDVD, another executes one scripted process and forces first to install NixOS.

svn path=/nixos/trunk/; revision=11816

configuration/closed-install.nix

@@ -0,0 +1,57 @@
+{platform ? __currentSystem} : 
+let 
+  isoFun = import ./rescue-cd-configurable.nix;
+in 
+(isoFun {
+	inherit platform;
+	lib = (import ../pkgs/lib);
+
+	networkNixpkgs = "";
+	manualEnabled = true;
+	rogueEnabled = false;
+	sshdEnabled = true;
+	fontConfigEnabled = false;
+	sudoEnable = true;
+	includeMemtest = false;
+	includeStdenv = true;
+	includeBuildDeps = true;
+
+	/*
+		If anyone uses that DVD on live
+		computer, use DHCP; but also add
+		a rogue address for tests in virtual
+		networks without DHCP at all.
+	*/
+	addIP = "10.0.253.251";
+	netmask = "255.255.0.0";
+
+	kernel = pkgs: (
+		pkgs.aggregateModules 
+		[pkgs.kernel]
+	);
+
+	packages = pkgs : [
+		pkgs.patch
+		pkgs.irssi
+		pkgs.subversion
+		pkgs.w3m
+		pkgs.utillinuxCurses
+		pkgs.wpa_supplicant
+		pkgs.emacs
+		pkgs.vimHugeX
+	];
+
+	/* 
+		The goal is remotely controlled 
+		installation (maybe over virtual
+		networking with QEmu without human
+		interaction), so let's make ssh 
+		work without manual password entry
+	*/
+	additionalFiles = [
+		{
+			source = /var/certs/ssh/id_livedvd.pub;
+			target = "/root/.ssh/authorized_keys";
+		}
+	];
+}).rescueCD

configuration/examples/closed-install-configuration.nix

@@ -0,0 +1,32 @@
+{
+  boot = {
+    grubDevice = "/dev/sda";
+    copyKernels = true;
+    bootMount = "(hd0,0)";
+  };
+
+  fileSystems = [
+    { mountPoint = "/";
+      device = "/dev/sda3";
+    }
+    { mountPoint = "/boot";
+      device = "/dev/sda1";
+      neededForBoot = true;
+    }
+  ];
+
+  swapDevices = [
+    { device = "/dev/sda2"; }
+  ];
+  
+  services = {
+    sshd = {
+      enable = true;
+    };
+  };
+
+  fonts = { 
+    enableFontConfig = false; 
+  };
+
+}

configuration/rescue-cd-configurable.nix

@@ -24,6 +24,20 @@
    */
   ,configList ? (configuration : [])
   ,aufs ? true
+
+  /*
+  	Address/netmask to be always added, whatever 
+	network-interfaces configure is kept
+  */
+  ,addIP ? ""
+  ,netmask ? "255.255.255.0"
+  /* To select interface to bind address to */
+  ,ifName ? "eth0"
+
+  /* 
+  	list of: {source, target}
+  */
+  ,additionalFiles ? []
 }:
 let
   ttyCount = lib.fold builtins.add 0 [
@@ -205,6 +219,21 @@ rec {
           '';
         }
       )
+
+      ++
+
+      (lib.optional (addIP != "")
+        {
+	  name = "add-IP-adress";
+	  job = ''
+	    start on network-interfaces/started
+	    script
+	      ${pkgs.nettools}/sbin/ifconfig ${ifName} add ${addIP} up
+	      ${pkgs.nettools}/sbin/ifconfig ${ifName}:0 netmask ${netmask} up 
+	    end script
+	  '';
+	}
+      )
       ;
        
       # And a background to go with that.
@@ -395,6 +424,8 @@ rec {
           target = "boot/memtest.bin";
         }
       )
+      ++
+      additionalFiles
       ;
     };