File fixlet-udev-post.sh of Package systemd.30673

#!/bin/sh

# Convert legacy collect based udev rules for s390x device initialization to the
# new chzdev based scheme
s390_migrate_collect_to_chzdev() {
	local tagfile=/var/lib/systemd/rpm/udev-s390_chzdev_migrated

	[ -f /sbin/chzdev ] || return 0

	if [ -e $tagfile ]; then
		return 0
	fi
	touch $tagfile

	for rule in /etc/udev/rules.d/*.rules; do

		# The rule files might contain several occurences of
		# IMPORT{program}="collect ..." but we're interested
		# only in the first occurence, the rest are ignored.

		import_builtin_collect=$(grep --max-count=1 -F 'IMPORT{program}="collect' $rule) ||
			continue

		echo "Migrating collect based udev rule $rule to new chzdev based scheme..."

		CHANNEL=$(echo $import_builtin_collect | sed -n 's/.*collect \([[:graph:]]*\).*/\1/p')
		if [ -z "$CHANNEL" ]; then
			echo >&2 "Failed to retrieve CHANNEL info, skipping"
			continue
		fi

		DEVICE=$(echo $import_builtin_collect | sed -n 's/.* //p')
		DEVICE="${DEVICE%\"}"

		echo "Updating udev rule $rule for device '$DEVICE' channel '$CHANNEL'"

		mv $rule $rule.legacy
		if [ "$DEVICE" == "dasd-eckd" ]; then
			echo "running: /sbin/chzdev -e -p $DEVICE --no-root-update $CHANNEL"
			/sbin/chzdev -e -p $DEVICE --no-root-update $CHANNEL
		else
			GROUP=$(sed -n '/SUBSYSTEM=="ccw"/s/.*group}=" *\([[:graph:]]*\),\([[:graph:]]*\),\([[:graph:]]*\)"/\1:\2:\3/p' $rule.legacy)
			LAYER2=$(sed -n 's/.*layer2}="\([[:digit:]]\)"/layer2=\1/p' $rule.legacy)
			PORTNO=$(chzdev --quiet --all $DEVICE --export - | grep portno)
			echo "running: /sbin/chzdev -e -p $DEVICE --no-root-update ${PORTNO:=portno=0} $LAYER2 $GROUP"
			/sbin/chzdev -e -p $DEVICE --no-root-update ${PORTNO:=portno=0} $LAYER2 $GROUP
		fi

		if [ $? != 0 ]; then
			echo >&2 "Warning: Rule conversion failed, restoring original rule!"
			mv $rule.legacy $rule
		fi
	done
}

fix_persistent_net_rules() {
	# add KERNEL name match to existing persistent net rules
	sed -ri '/KERNEL/ ! { s/NAME="(eth|wlan|ath)([0-9]+)"/KERNEL=="\1*", NAME="\1\2"/}' \
	    /etc/udev/rules.d/70-persistent-net.rules 2>/dev/null || :
}

cleanup_old_stuff() {
	# cleanup old stuff
	rm -f /etc/sysconfig/udev
	rm -f /etc/udev/rules.d/{20,55,65}-cdrom.rules
}

r=0
s390_migrate_collect_to_chzdev || r=1
fix_persistent_net_rules || r=1
cleanup_old_stuff || r=1

exit $r