On Wed, Apr 25, 2018 at 04:45:02PM +0200, j@xxxxxxxxx wrote:
> 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.
Sorry for the delay, I have now pushed this.
Rich.
> 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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--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
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