Hi,
OpenBSD lacks /proc, so some of the detection mechanisms in virt-what
don't work there. However sysctl is available and could be used instead
in those cases.
Attached is a patch that adds the functionality and uses it to detect a
SmartOS hypervisor.
Cheers,
Jasper
From 2da054ad59f024c749eeb3ef1ff4404dd791589f Mon Sep 17 00:00:00 2001
From: Jasper Lievisse Adriaanse <jasper@xxxxxxxxx>
Date: Wed, 25 Apr 2018 16:41:32 +0200
Subject: [PATCH] Allow using sysctl, for example when /proc isn't available
---
virt-what.in | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/virt-what.in b/virt-what.in
index 2011ff4..d037a99 100644
--- a/virt-what.in
+++ b/virt-what.in
@@ -38,6 +38,13 @@ have_cpuinfo () {
test -e "${root}/proc/cpuinfo"
}
+use_sysctl() {
+ # Lacking /proc, on some systems sysctl can be used instead.
+ OS=$(uname) || fail "failed to get operating system name"
+
+ [ "$OS" == "OpenBSD" ]
+}
+
fail () {
echo "virt-what: $1" >&2
exit 1
@@ -304,6 +311,12 @@ if ! "$skip_qemu_kvm"; then
# We are running as a spapr KVM guest on ppc64
echo kvm
skip_lkvm=true
+ elif use_sysctl; then
+ # SmartOS KVM
+ product=$(sysctl -n hw.product)
+ if echo "$product" | grep -q 'SmartDC HVM'; then
+ echo kvm
+ fi
else
# This is known to fail for qemu with the explicit -cpu
# option, since /proc/cpuinfo will not contain the QEMU
--
2.16.2
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