X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;ds=sidebyside;f=virt-what.in;h=3feeb6084fc1daede5f7d83c9861253d25965d95;hb=e1e79b9a988ab66f7ab673034488b42057621320;hp=f12c95beb973f8fc632958c32d8caf2baa839cf3;hpb=1115c163011175942b410bac413558d82a3bb784;p=virt-what.git

diff --git a/virt-what.in b/virt-what.in
index f12c95b..3feeb60 100644
--- a/virt-what.in
+++ b/virt-what.in
@@ -1,4 +1,4 @@
-#!/bin/bash -
+#!/bin/sh -
 # @configure_input@
 # Copyright (C) 2008-2011 Red Hat Inc.
 #
@@ -18,13 +18,13 @@
 
 # 'virt-what' tries to detect the type of virtualization being
 # used (or none at all if we're running on bare-metal).  It prints
-# out one of more lines each being a 'fact' about the virtualization.
+# out one or more lines each being a 'fact' about the virtualization.
 #
 # Please see also the manual page virt-what(1).
 # This script should be run as root.
 #
 # The following resources were useful in writing this script:
-# . http://www.dmo.ca/blog/20080530151107
+# . http://dmo.ca/blog/detecting-virtualization-on-linux/
 
 # Do not allow unset variables, and set defaults.
 set -u
@@ -33,12 +33,12 @@ skip_qemu_kvm=false
 
 VERSION="@VERSION@"
 
-function fail {
+fail() {
     echo "virt-what: $1" >&2
     exit 1
 }
 
-function usage {
+usage() {
     echo "virt-what [options]"
     echo "Options:"
     echo "  --help          Display this help"
@@ -67,15 +67,16 @@ while true; do
 done
 
 # Add /sbin and /usr/sbin to the path so we can find system
-# binaries like dmicode.
+# binaries like dmidecode.
 # Add /usr/libexec to the path so we can find the helper binary.
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 PATH="${root}@libexecdir@:${root}/sbin:${root}/usr/sbin:${PATH}"
 
 # Check we're running as root.
+EFFUID=$(id -u) || fail "failed to get current user id"
 
-if [ "x$root" = "x" ] && [ "$EUID" -ne 0 ]; then
+if [ "x$root" = "x" ] && [ "$EFFUID" -ne 0 ]; then
     fail "this script must be run as root"
 fi
 
@@ -147,6 +148,11 @@ fi
 # Check for Linux-VServer
 if cat "${root}/proc/self/status" | grep -q "VxID: [0-9]*"; then
     echo linux_vserver
+    if grep -q "VxID: 0$" "${root}/proc/self/status"; then
+        echo linux_vserver-host
+    else
+        echo linux_vserver-guest
+    fi
 fi
 
 # Check for UML.
@@ -192,9 +198,9 @@ fi
 if [ "$cpuid" = "XenVMMXenVMM" ]; then
     echo xen; echo xen-hvm
     skip_qemu_kvm=true
-elif [ -f "${root}/proc/xen/capabilities" ]; then
+elif [ -d "${root}/proc/xen" ]; then
     echo xen
-    if grep -q "control_d" "${root}/proc/xen/capabilities"; then
+    if grep -q "control_d" "${root}/proc/xen/capabilities" 2>/dev/null; then
         echo xen-dom0
     else
         echo xen-domU
@@ -243,3 +249,8 @@ if ! "$skip_qemu_kvm"; then
 	fi
     fi
 fi
+
+# Check for Docker.
+if [ -f "${root}/.dockerinit" ]; then
+	echo docker
+fi