vmguest: learn to disable useless services under VMs

This has long been a TODO item but an elegant solution just didn't come until the night before starterkits... some services (mostly those operating on real hardware) do not fit virtual environments at all, won't even start.

vmguest: learn to disable useless services under VMs
c7da0828 · Michael Shigorin · 92ff0b77 · c7da0828
Commit c7da0828 authored Mar 11, 2016 by Michael Shigorin
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50-vmguest-noservices ...in/vmguest/install2/image-scripts.d/50-vmguest-noservices +16 -0

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--- a/features.in/vmguest/install2/image-scripts.d/50-vmguest-noservices
+++ b/features.in/vmguest/install2/image-scripts.d/50-vmguest-noservices
+#!/bin/sh
+# disable services that are known to be useless under VMs
+# TODO: un-hardwire the list?
+
+NOVM_SERVICES="cpufreq-simple powertop smartd"
+
+cat >> /usr/share/install2/postinstall.d/50-vmguest-noservices.sh << EOF
+#!/bin/sh
+if grep -qE '(101300b8)|(80eebeef)|(14ad0405)' /proc/bus/pci/devices; then
+	for i in $NOVM_SERVICES; do
+		echo "\$i" >> /usr/share/install2/services-off
+	done
+fi
+EOF
+
+chmod +x /usr/share/install2/postinstall.d/50-vmguest-noservices.sh