109 lines
3.7 KiB
Bash
Executable file
109 lines
3.7 KiB
Bash
Executable file
#!/bin/sh
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#
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# 2014 Daniel Heule (hda at sfs.biz)
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# 2014 Thomas Oettli (otho at sfs.biz)
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# 2020 Evilham (contact at evilham.com)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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os=$("$__explorer/os")
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vendor_string_to_machine_type() {
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for vendor in vmware bochs kvm qemu virtualbox bhyve; do
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if echo "${1}" | grep -q -i "${vendor}"; then
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if [ "${vendor}" = "bochs" ] || [ "${vendor}" = "qemu" ]; then
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vendor="kvm"
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fi
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echo "virtual_by_${vendor}"
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exit
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fi
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done
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}
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case "$os" in
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"freebsd")
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# FreeBSD does not have /proc/cpuinfo even when procfs is used.
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# Instead there is a sysctl kern.vm_guest.
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# Which is 'none' if physical, else the virtualisation.
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vm_guest="$(sysctl -n kern.vm_guest 2>/dev/null || true)"
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if [ -n "${vm_guest}" ]; then
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if [ "${vm_guest}" = "none" ]; then
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echo "physical"
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exit
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fi
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echo "virtual_by_${vm_guest}"
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exit
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fi
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;;
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"openbsd")
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# OpenBSD can also use the sysctl's: hw.vendor or hw.product.
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# Note we can be reasonably sure about a machine being virtualised
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# as long as we can identify the virtualisation technology.
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# But not so much about it being physical...
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# Patches are welcome / reach out if you have better ideas.
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for sysctl in hw.vendor hw.product; do
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# This exits if we can make a reasonable judgement
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vendor_string_to_machine_type "$(sysctl -n "${sysctl}")"
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done
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;;
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*)
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# Defaulting to linux for compatibility with previous cdist behaviour
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if [ -d "/proc/vz" ] && [ ! -d "/proc/bc" ]; then
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echo openvz
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exit
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fi
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if [ -e "/proc/1/environ" ] &&
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tr '\000' '\n' < "/proc/1/environ" | grep -Eiq '^container='; then
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echo lxc
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exit
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fi
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if [ -r /proc/cpuinfo ]; then
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# this should only exist on virtual guest machines,
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# tested on vmware, xen, kvm, bhyve
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if grep -q "hypervisor" /proc/cpuinfo; then
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# this file is aviable in xen guest systems
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if [ -r /sys/hypervisor/type ]; then
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if grep -q -i "xen" /sys/hypervisor/type; then
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echo virtual_by_xen
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exit
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fi
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else
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for vendor_file in /sys/class/dmi/id/product_name \
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/sys/class/dmi/id/sys_vendor \
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/sys/class/dmi/id/chasis_vendor; do
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if [ -r ${vendor_file} ]; then
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# This exits if we can make a reasonable judgement
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vendor_string_to_machine_type "$(cat "${vendor_file}")"
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fi
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done
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fi
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echo "virtual_by_unknown"
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exit
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else
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echo "physical"
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exit
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fi
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fi
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;;
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esac
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echo "unknown"
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