-#!/bin/bash -
+#!/bin/sh -
# @configure_input@
-# Copyright (C) 2008-2011 Red Hat Inc.
+# Copyright (C) 2008-2015 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# '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
root=''
skip_qemu_kvm=false
+skip_lkvm=false
VERSION="@VERSION@"
-function fail {
+have_cpuinfo () {
+ test -e "${root}/proc/cpuinfo"
+}
+
+fail () {
echo "virt-what: $1" >&2
exit 1
}
-function usage {
+usage () {
echo "virt-what [options]"
echo "Options:"
echo " --help Display this help"
}
# Handle the command line arguments, if any.
-
-TEMP=$(getopt -o v --long help --long version --long test-root: -n 'virt-what' -- "$@")
-if [ $? != 0 ]; then exit 1; fi
-eval set -- "$TEMP"
-
-while true; do
+while test $# -gt 0; do
case "$1" in
- --help) usage ;;
- --test-root)
+ --help) usage ;;
+ --test-root=*)
# Deliberately undocumented: used for 'make check'.
- root="$2"
- shift 2
+ root=$(echo "$1" | sed 's/.*=//')
+ shift 1
+ test -z "$root" && fail "--test-root option requires a value"
;;
- -v|--version) echo "$VERSION"; exit 0 ;;
- --) shift; break ;;
- *) fail "internal error ($1)" ;;
+ -v|--version) echo "$VERSION"; exit 0 ;;
+ --) shift; break ;;
+ *) fail "unrecognized option '$1'";;
esac
done
+test $# -gt 0 && fail "extra operand '$1'"
# Add /sbin and /usr/sbin to the path so we can find system
-# binaries like dmicode.
+# binaries like dmidecode.
# Add /usr/libexec to the path so we can find the helper binary.
prefix=@prefix@
exec_prefix=@exec_prefix@
PATH="${root}@libexecdir@:${root}/sbin:${root}/usr/sbin:${PATH}"
+export PATH
# Check we're running as root.
+EFFUID=$(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
+# Try to locate the CPU-ID helper program
+CPUID_HELPER=$(which virt-what-cpuid-helper 2>/dev/null)
+if [ -z "$CPUID_HELPER" ] ; then
+ fail "virt-what-cpuid-helper program not found in \$PATH"
+fi
+
# Many fullvirt hypervisors give an indication through CPUID. Use the
# helper program to get this information.
cpuid=$(virt-what-cpuid-helper)
# Check for various products in the BIOS information.
-# Note that dmidecode doesn't exist on non-PC architectures. On these,
-# this will return an error which is ignored (error message redirected
-# into $dmi variable).
+# Note that dmidecode doesn't exist on all architectures. On the ones
+# it does not, then this will return an error, which is ignored (error
+# message redirected into the $dmi variable).
dmi=$(LANG=C dmidecode 2>&1)
# Architecture.
# Note for the purpose of testing, we only call uname with -p option.
-arch=$(uname -p)
+arch=$(uname -p | sed -e 's/i.86/i386/' | sed -e 's/arm.*/arm/')
# Check for VMware.
# cpuid check added by Chetan Loke.
echo virtualbox
fi
+# Check for bhyve.
+if [ "$cpuid" = "bhyve bhyve " ]; then
+ echo bhyve
+elif echo "$dmi" | grep -q "Vendor: BHYVE"; then
+ echo bhyve
+fi
+
# Check for OpenVZ / Virtuozzo.
# Added by Evgeniy Sokolov.
# /proc/vz - always exists if OpenVZ kernel is running (inside and outside
fi
# Check for Linux-VServer
-if cat "${root}/proc/self/status" | grep -q "VxID: [0-9]*"; then
+if test -e "${root}/proc/self/status" \
+ && cat "${root}/proc/self/status" | grep -q "VxID: [0-9]*"; then
echo linux_vserver
if grep -q "VxID: 0$" "${root}/proc/self/status"; then
echo linux_vserver-host
# Check for UML.
# Added by Laurent Léonard.
-if grep -q 'UML' "${root}/proc/cpuinfo"; then
+if have_cpuinfo && grep -q 'UML' "${root}/proc/cpuinfo"; then
echo uml
fi
# Check for IBM PowerVM Lx86 Linux/x86 emulator.
-if grep -q '^vendor_id.*PowerVM Lx86' "${root}/proc/cpuinfo"; then
+if have_cpuinfo && grep -q '^vendor_id.*PowerVM Lx86' "${root}/proc/cpuinfo"
+then
echo powervm_lx86
fi
fi
# Check for IBM SystemZ.
-if grep -q '^vendor_id.*IBM/S390' "${root}/proc/cpuinfo"; then
+if have_cpuinfo && grep -q '^vendor_id.*IBM/S390' "${root}/proc/cpuinfo"; then
echo ibm_systemz
if [ -f "${root}/proc/sysinfo" ]; then
- if grep -q 'VM.*Control Program.*z/VM' "${root}/proc/sysinfo"; then
+ if grep -q 'VM.*Control Program.*KVM/Linux' "${root}/proc/sysinfo"; then
+ echo ibm_systemz-kvm
+ elif grep -q 'VM.*Control Program.*z/VM' "${root}/proc/sysinfo"; then
echo ibm_systemz-zvm
elif grep -q '^LPAR' "${root}/proc/sysinfo"; then
echo ibm_systemz-lpar
skip_qemu_kvm=true
fi
+# Check for oVirt/RHEV.
+if echo "$dmi" | grep -q 'Manufacturer: oVirt'; then
+ echo ovirt
+fi
+if echo "$dmi" | grep -q 'Product Name: RHEV Hypervisor'; then
+ echo rhev
+fi
+
# Check for Xen.
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" "${root}/proc/xen/capabilities" 2>/dev/null; then
echo xen-dom0
else
echo xen-domU
fi
skip_qemu_kvm=true
+ skip_lkvm=true
elif [ -f "${root}/sys/hypervisor/type" ] &&
grep -q "xen" "${root}/sys/hypervisor/type"; then
# Ordinary kernel with pv_ops. There does not seem to be
# enough information at present to tell whether this is dom0
# or domU. XXX
echo xen
+elif [ "$arch" = "arm" ] || [ "$arch" = "aarch64" ]; then
+ if [ -d "${root}/proc/device-tree/hypervisor" ] &&
+ grep -q "xen" "${root}/proc/device-tree/hypervisor/compatible"; then
+ echo xen
+ skip_qemu_kvm=true
+ skip_lkvm=true
+ fi
elif [ "$arch" = "ia64" ]; then
if [ -d "${root}/sys/bus/xen" -a ! -d "${root}/sys/bus/xen-backend" ]; then
# PV-on-HVM drivers installed in a Xen guest.
if ! "$skip_qemu_kvm"; then
if [ "$cpuid" = "KVMKVMKVM" ]; then
- echo kvm
+ echo kvm
+ elif echo "$dmi" | grep -q 'Product Name: KVM'; then
+ echo kvm
+ skip_lkvm=true
+ elif echo "$dmi" | grep -q 'Manufacturer: QEMU'; then
+ # The test for KVM above failed, so now we know we're
+ # not using KVM acceleration.
+ echo qemu
+ skip_lkvm=true
+ elif [ "$arch" = "arm" ] || [ "$arch" = "aarch64" ]; then
+ if [ -d "${root}/proc/device-tree" ] &&
+ ls "${root}/proc/device-tree" | grep -q "fw-cfg"; then
+ # We don't have enough information to determine if we're
+ # using KVM acceleration or not.
+ echo qemu
+ skip_lkvm=true
+ fi
+ elif [ -d /proc/device-tree/hypervisor ] &&
+ grep -q "linux,kvm" /proc/device-tree/hypervisor/compatible; then
+ # We are running as a spapr KVM guest on ppc64
+ echo kvm
+ skip_lkvm=true
else
# XXX This is known to fail for qemu with the explicit -cpu
# option, since /proc/cpuinfo will not contain the QEMU
# string. The long term fix for this would be to export
# another CPUID leaf for non-accelerated qemu.
if grep -q 'QEMU' "${root}/proc/cpuinfo"; then
- echo qemu
- fi
+ echo qemu
+ fi
+ fi
+fi
+
+if ! "$skip_lkvm"; then
+ if [ "$cpuid" = "LKVMLKVMLKVM" ]; then
+ echo lkvm
+ elif [ "$arch" = "arm" ] || [ "$arch" = "aarch64" ]; then
+ if [ -d "${root}/proc/device-tree" ] &&
+ grep -q "dummy-virt" "${root}/proc/device-tree/compatible"; then
+ echo lkvm
+ fi
+ fi
+fi
+
+# Check for Docker.
+if [ -f "${root}/.dockerinit" ]; then
+ echo docker
+fi
+
+# Check ppc64 lpar, kvm or powerkvm
+
+# example /proc/cpuinfo line indicating 'not baremetal'
+# platform : pSeries
+#
+# example /proc/ppc64/lparcfg systemtype line
+# system_type=IBM pSeries (emulated by qemu)
+
+if [ "$arch" = "ppc64" ]; then
+ if have_cpuinfo && grep -q 'platform.**pSeries' "${root}/proc/cpuinfo"; then
+ if grep -q 'model.*emulated by qemu' "${root}/proc/cpuinfo"; then
+ echo ibm_power-kvm
+ else
+ # Assume LPAR, now detect shared or dedicated
+ if grep -q 'shared_processor_mode=1' "${root}/proc/ppc64/lparcfg"; then
+ echo ibm_power-lpar_shared
+ else
+ echo ibm_power-lpar_dedicated
+ fi
+ # detect powerkvm?
+ fi
fi
fi
git.annexia.org / virt-what.git / blobdiff