[Unit]
Description=One time configuration for iscsi.service
ConditionPathExists=!/etc/iscsi/initiatorname.iscsi
DefaultDependencies=no
RequiresMountsFor=/etc/iscsi
# systemd-remount-fs.service is optionally pulled in by
# local-fs.target, don't start it here (no Wants=) but if
# it's running wait for it to finish
After=systemd-remount-fs.service

[Install]
# this ensures we are in the same transaction with
# systemd-remount-fs.service
WantedBy=systemd-remount-fs.service

[Service]
Type=oneshot
RemainAfterExit=no
ExecStart=/usr/bin/sh -c 'echo "InitiatorName=`/usr/sbin/iscsi-iname`" > /etc/iscsi/initiatorname.iscsi'