svn commit: r1131818 - /incubator/mesos/trunk/src/lxc_isolation_module.cpp

[be...@apache.org]

Author: benh
Date: Sun Jun  5 05:37:04 2011
New Revision: 1131818

URL: http://svn.apache.org/viewvc?rev=1131818&view=rev
Log:
Check for LXC tools before running LXC isolation module.

Modified:
    incubator/mesos/trunk/src/lxc_isolation_module.cpp

Modified: incubator/mesos/trunk/src/lxc_isolation_module.cpp
URL: http://svn.apache.org/viewvc/incubator/mesos/trunk/src/lxc_isolation_module.cpp?rev=1131818&r1=1131817&r2=1131818&view=diff
==============================================================================
--- incubator/mesos/trunk/src/lxc_isolation_module.cpp (original)
+++ incubator/mesos/trunk/src/lxc_isolation_module.cpp Sun Jun  5 05:37:04 2011
@@ -1,5 +1,8 @@
 #include "lxc_isolation_module.hpp"
 
+#include <stdlib.h>
+#include <unistd.h>
+
 #include <algorithm>
 
 #include "foreach.hpp"
@@ -30,6 +33,12 @@ LxcIsolationModule::LxcIsolationModule(S
   this->slave = slave;
   reaper = new Reaper(this);
   Process::spawn(reaper);
+
+  // Run a basic check to see whether Linux Container tools are available
+  if (system("lxc-version > /dev/null") != 0) {
+    PLOG(FATAL) << "Could not run lxc-version; make sure Linux Container "
+                << "tools are installed";
+  }
 }