meta-facebook/recipes-phosphor/gpio/phosphor-gpio-monitor/power-rail-event-logger

#!/bin/bash
set -eu

HELP_MSG="
Usage: power-rail-event-logger <event> <board>-<gpio_name>
<event> is the power rail event to log,
e.g. assert / deassert.

<board>-<gpio_name> is defined in json file,
e.g. Yosemite5_MB-ALERT_INA230_DIMM_0_N
"

if [ "$#" -ne 2 ]; then
    echo "$HELP_MSG"
    exit 1
fi

message="$2"
ASSERT_MSG_ID="xyz.openbmc_project.State.Power.PowerRailFault"
DEASSERT_MSG_ID="xyz.openbmc_project.State.Power.PowerRailFaultRecovered"

board="${message%%-*}"
gpio_name="${message#*-}"
device_path="/xyz/openbmc_project/inventory/system/board/${board}/${gpio_name}"

stash_file="/run/${message}.log_entry"

case "$1" in
    assert)
        if [ ! -s "$stash_file" ]; then
            /usr/bin/log-create "$ASSERT_MSG_ID" --json \
                "{ \"POWER_RAIL\": \"${device_path}\", \"FAILURE_DATA\": \"${gpio_name}\"}" \
                > "${stash_file}"
        fi
        ;;

    deassert)
        if [ -s "${stash_file}" ]; then
            log-resolve -p "$(< "${stash_file}")" || true
            rm -f "${stash_file}"
        fi
        /usr/bin/log-create "$DEASSERT_MSG_ID" --json \
            "{ \"POWER_RAIL\": \"${device_path}\"}"
        ;;

    *)
        echo "Not supported event: $1" >&2
        exit 1
        ;;
esac

exit 0