1#!/bin/bash -e 2# A script which is called in a host-reboot path to check the host reboot count 3# and either initiate the host firmware boot, or move it to the quiesce state 4# (if the reboot count has been reached) 5 6# This script has a single required parameter, the instance number of the 7# host that is being rebooted (or quiesced) 8 9set -euo pipefail 10 11get_reboot_count() 12{ 13 busctl get-property xyz.openbmc_project.State.Host"$1" \ 14 /xyz/openbmc_project/state/host"$1" \ 15 xyz.openbmc_project.Control.Boot.RebootAttempts AttemptsLeft \ 16 | cut -d ' ' -f2 17} 18 19# host instance id is input parameter to function 20host_quiesce() 21{ 22 systemctl start obmc-host-quiesce@"$1".target 23} 24 25# host instance id is input parameter to function 26host_reboot() 27{ 28 systemctl start obmc-host-startmin@"$1".target 29} 30 31# This service is run as a part of a systemd target to reboot the host 32# As such, it has to first shutdown the host, and then reboot it. Due to 33# systemd complexities with Conflicts statements between the targets to 34# shutdown and to boot, need to start off by sleeping 5 seconds to ensure 35# the shutdown path has completed before starting the boot (or quiesce) 36sleep 5 37 38host_instance=$1 39 40reboot_count=$(get_reboot_count "$host_instance") 41if [ "$reboot_count" -eq 0 ]; then 42 echo "reboot count is 0, go to host quiesce" 43 host_quiesce "$host_instance" 44else 45 echo "reboot count is $reboot_count so reboot host" 46 host_reboot "$host_instance" 47fi 48