* test -> tests.

svn path=/nixos/trunk/; revision=16897

1 files changed, 36 insertions, 0 deletions

diff --git a/modules/testing/test-instrumentation.nix b/modules/testing/test-instrumentation.nix
new file mode 100644
index 00000000000..b64dc70ab30
--- /dev/null
+++ b/modules/testing/test-instrumentation.nix
@@ -0,0 +1,36 @@
+# This module allows the test driver to connect to the virtual machine
+# via a root shell attached to port 514.
+
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+{
+
+  config = {
+
+    jobs = singleton
+      { name = "backdoor";
+      
+        startOn = "network-interfaces";
+        
+        preStart =
+          ''
+            eval $(cat /proc/cmdline)
+            echo "guest running, will write in $hostTmpDir on host" > /dev/ttyS0
+            touch /hostfs/$hostTmpDir/running
+          '';
+          
+        exec = "${pkgs.socat}/bin/socat tcp-listen:514,fork exec:/bin/sh,stderr";
+      };
+  
+    boot.postBootCommands =
+      ''
+        ( eval $(cat /proc/cmdline)
+          mkdir /hostfs/$hostTmpDir/coverage-data
+          ln -s /hostfs/$hostTmpDir/coverage-data /tmp/coverage-data
+        )
+      '';
+  };
+
+}