s390-tools/virtsetup.sh.suse

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#!/bin/sh
#
# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
#
# Perform setup tasks based on what hypervisor is in charge.
#
# Source the sysconfig file
if [ -r /etc/sysconfig/virtsetup ]; then
. /etc/sysconfig/virtsetup
else echo "No /etc/sysconfig/virtsetup file was found."
exit 1
fi
#
# Get our hostname
#
my_hostname="$(hostname)"
#
# Find out the hypervisor we're running on/under.
#
hypervisor="$(/usr/bin/systemd-detect-virt)"
case "${hypervisor}" in
zvm)
if [ ! -c /dev/vmcp ]; then
modprobe vmcp
sleep 1
if [ ! -c /dev/vmcp ]; then
echo "Unable to load the vmcp kernel module."
exit 1
fi
fi
echo "The vmcp device driver is ready."
if [ "${ZVM_DETACH_DISKS}" == "yes" ]; then
echo "Detaching devices to prepare for Live Guest Relocation."
/usr/lib/systemd/scripts/detach_disks.sh
fi
if [ "${ZVM_WARN_ABOUT_POSSIBLE_LGR_PROBLEMS}" == yes ]; then
/sbin/lgr_check
fi
;;
none)
hypervisor="lpar"
if [ "${LPAR_SCLP_HOSTNAME}" == "yes" ]; then
# If the sclp_cpi module is already loaded, we have to unload it
# so we can be sure it has the correct system name specified
# when we reload it again.
if grep -qw sclp_cpi /proc/modules 2>/dev/null; then
rmmod sclp_cpi
sleep 1
fi
if grep -qw sclp_cpi /proc/modules 2>/dev/null; then
echo "Unable to unload the sclp_cpi kernel module."
exit 1
fi
echo "Setting the LPAR name via the sclp_cpi module."
modprobe sclp_cpi system_name="$my_hostname"
if ! grep -qw sclp_cpi /proc/modules 2>/dev/null; then
echo "We were unable to load the sclp_cpi module to set the LPAR name."
exit 2
fi
fi
;;
kvm)
;;
*)
echo "An unknown hypervisor, \"${hypervisor}\" was detected."
echo "Please report this to your support provider."
exit 3
;;
esac
#
# Now let's check for any scripts that other packages may have provided
# to do specific things they need. The scripts must be marked executable
# and have a suffix indicating which hypervisor for which they are to be run.
# Currently that is one of: kvm, lpar, or zvm.
# E.g., 01-test.script.zvm would only be run if the system is a z/VM guest.
#
for script in $(ls /lib/s390-tools/virtsetup/*.${hypervisor} 2>/dev/null)
do if [ -x "${script}" ]; then
echo "Executing ${script}..."
"${script}"
echo "Done."
echo
fi
done
exit 0