meta-facebook/meta-yosemite5/recipes-phosphor/gpio/phosphor-gpio-monitor/power-rail-event-logger

#!/bin/bash

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

<id_gpio-name> is defined in json file,
e.g. 2_power-host-good
"

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"

# Extract board name and gpio name from the message amd build device path
# Supported message formats:
#   1. <board_name>_<gpio_name>
#      Example: pdb_ABC
#      Device path: /xyz/openbmc_project/inventory/system/board/Yosemite5_Medusa_Board/ABC
board="${message%%_*}"
gpio_name="${message#*_}"

if [[ $board == pdb* ]]; then
    device_path="/xyz/openbmc_project/inventory/system/board/Yosemite5_Medusa_Board/${gpio_name}"
elif [[ $board == mb* ]]; then
    device_path="/xyz/openbmc_project/inventory/system/board/Yosemite5_MB/${gpio_name}"
else
    echo "Unknown message format: $message"
    exit 1
fi

stash_file="/run/${gpio_name}.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 the stash file exists, resolve the log entry and remove the stash file
        if [ -s "${stash_file}" ]; then
            log-resolve -p "$(< "${stash_file}")" && rm "${stash_file}"
        fi
        # Always create a deassert log entry
        /usr/bin/log-create "$DEASSERT_MSG_ID" --json \
            "{ \"POWER_RAIL\": \"${device_path}\"}"
        ;;

    *)
        echo "Not supported event: $1"
        echo "$HELP_MSG"
        exit 1
        ;;
esac

exit 0