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#!/bin/sh
# SPDX-License-Identifier: GPL-3.0-only
set -e
if [ "$1" = "setup" ]
then
. /usr/share/initramfs-tools/hook-functions
copy_exec /bin/grep
copy_exec /bin/sleep
copy_exec /sbin/iscsiadm
copy_exec /sbin/iscsid
# hm, not sure why expr is copied
copy_exec /usr/bin/expr
copy_file config /etc/iscsi/iscsid.conf
copy_file config /etc/iscsi/initiatorname.iscsi
exit 0
fi
# re-establish connection and logout during shutdown
# if initramfs did bring up open-iscsi on boot
[ -f /open-iscsi.interface ] || exit 0
iscsid
# After restarting iscsid, wait for an active connection.
# Limit the wait time in case of unexpected failure of iscsid.
MAX_RETRIES=30
RETRY=0
while ! iscsiadm -m session -P 1 | grep -q "iSCSI Connection State: LOGGED IN"; do
RETRY=$(($RETRY + 1))
if [ $RETRY -gt $MAX_RETRIES ]; then
echo "Unexpected iSCSI Connection State, forcing iSCSI logout."
break
fi
sleep 1
done
# Issue an iSCSI logout.
iscsiadm -m node -u
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