simple ipmi power consumption collector for the node text exporter

ipmi_get_power.sh

#!/bin/bash
echo "
# HELP node_ipmi_get_power_watts Power sensor reading from ipmitool
# TYPE node_ipmi_get_power_watts gauge
" > /var/lib/node_exporter/textfile_collector/ipmitool_get_power.prom.$$
/usr/bin/ipmitool  dcmi power reading| grep Instantaneous| awk '{printf"node_ipmi_get_power_watts{sensor=\"PW Consumption\"} %d\n",$4}' >>  /var/lib/node_exporter/textfile_collector/ipmitool_power.prom.$$
/usr/bin/mv /var/lib/node_exporter/textfile_collector/ipmitool_power.prom.$$ /var/lib/node_exporter/textfile_collector/ipmitool_get_power.prom