* Option `networking.localCommands' to specify shell commands to be

executed after the network interfaces have been initialised.

svn path=/nixos/trunk/; revision=8752

boot/boot-stage-2.nix

@@ -23,5 +23,5 @@ substituteAll {
     udev
     upstart
   ];
-  bootLocal = writeText "boot.local" bootLocal;
+  bootLocal = writeText "local-cmds" bootLocal;
 }

system/options.nix

@@ -257,6 +257,19 @@
   }
 
   
+  {
+    name = ["networking" "localCommands"];
+    default = "";
+    example = "text=anything; echo You can put $text here.";
+    description = "
+      Shell commands to be executed at the end of the
+      <literal>network-interfaces</literal> Upstart job.  Note that if
+      you are using DHCP to obtain the network configuration,
+      interfaces may not be fully configured yet.
+    ";
+  }
+
+
   {
     name = ["fileSystems"];
     default = [];

upstart-jobs/default.nix

@@ -67,10 +67,11 @@ import ../upstart-jobs/gather.nix {
     # Network interfaces.
     (import ../upstart-jobs/network-interfaces.nix {
       inherit modprobe;
-      inherit (pkgs) nettools wirelesstools;
+      inherit (pkgs) nettools wirelesstools bash writeText;
       nameservers = config.get ["networking" "nameservers"];
       defaultGateway = config.get ["networking" "defaultGateway"];
       interfaces = config.get ["networking" "interfaces"];
+      localCommands = config.get ["networking" "localCommands"];
     })
       
     # Nix daemon - required for multi-user Nix.

upstart-jobs/network-interfaces.nix

@@ -1,5 +1,6 @@
-{ nettools, modprobe, wirelesstools
+{ nettools, modprobe, wirelesstools, bash, writeText
 , nameservers, defaultGateway, interfaces
+, localCommands
 }:
 
 let
@@ -21,7 +22,8 @@ start on hardware-scan
 stop on shutdown
 
 start script
-    ${modprobe}/sbin/modprobe af_packet || true
+    export PATH=${modprobe}/sbin:$PATH
+    modprobe af_packet || true
 
     for i in $(cd /sys/class/net && ls -d *); do
         echo \"Bringing up network device $i...\"
@@ -43,7 +45,7 @@ start script
         wepKey=\${wepKeys[$n]}
 
         # Set wireless networking stuff.
-        if test \"$essid\" != dhcp; then
+        if test \"$essid\" != default; then
             ${wirelesstools}/sbin/iwconfig \"$name\" essid \"$essid\" || true
         fi
         
@@ -76,6 +78,9 @@ start script
         ${nettools}/sbin/route add default gw \"${defaultGateway}\" || true
     fi
 
+    # Run any user-specified commands.
+    ${bash}/bin/sh ${writeText "local-net-cmds" localCommands} || true
+
 end script
 
 # Hack: Upstart doesn't yet support what we want: a service that