From 539bed176875c917851c7c1fb3d1551b7b53887e Mon Sep 17 00:00:00 2001
From: brl <bruce@subgraph.com>
Date: Thu, 25 Jun 2015 13:32:46 -0400
Subject: [PATCH] use os.Getpid() != 1 to detect and warn about manual launch

---
 oz-init/init.go | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/oz-init/init.go b/oz-init/init.go
index da2a826..3383df0 100644
--- a/oz-init/init.go
+++ b/oz-init/init.go
@@ -69,14 +69,11 @@ func parseArgs() *initState {
 		log.Error("oz-init must run as root\n")
 		os.Exit(1)
 	}
-	// We should check that the file contains config.InitPath, but
-	// since proc is not mounted in this state is still doesn't exist.
-	/*
-		if _, err := os.Stat("/proc/1/cmdline"); !os.IsNotExist(err) {
-			log.Error("What are you doing? Oz-init cannot be launched manually")
-			os.Exit(1)
-		}
-	*/
+
+	if os.Getpid() != 1 {
+		log.Error("oz-init must be launched in new pid namespace.")
+		os.Exit(1)
+	}
 
 	getvar := func(name string) string {
 		val := os.Getenv(name)
@@ -554,7 +551,7 @@ func (st *initState) bindWhitelist(fsys *fs.Filesystem, wlist []oz.WhitelistItem
 			return err
 		}
 		for _, p := range paths {
-			if err := fsys.BindOrCreate(p, p, wl.ReadOnly,st.user); err != nil {
+			if err := fsys.BindOrCreate(p, p, wl.ReadOnly, st.user); err != nil {
 				return err
 			}
 		}