IPMI Log to json

ipmi_log.py

#!/usr/bin/env python3

import csv
import subprocess
import re
import json
from datetime import datetime


def map_entry(s: str) -> str:
    return re.sub(' +', ' ', s.strip()).strip()


date_regex = re.compile(r'(?P<MM>\d{1,2})/(?P<dd>\d{1,2})/(?P<yyyy>\d{4})')
time_regex = re.compile(r'(?P<HH>\d{1,2}):(?P<mm>\d{1,2}):(?P<ss>\d{1,2})')

ipmi_tool = subprocess.Popen(
    ['ipmitool', 'sel', 'elist', '-c'], stdout=subprocess.PIPE)


output = ipmi_tool.communicate()[0].decode('utf8')
csv_entries = csv.reader(output.splitlines(), delimiter=",")

default_time = datetime.now()

for row_raw in csv_entries:
    row = list(map(map_entry, row_raw))

    time = default_time

    # init
    item = {
        # record id
        "id": row[0],
        "item": row[3],
        "prop": row[4],
        "stat": row[5],
    }

    if len(row) > 6:
        item["extra"] = row[6]

    # datetime checker
    date_matched = list(date_regex.finditer(row[1]))
    time_matched = list(time_regex.finditer(row[2]))
    if (len(date_matched) > 0 and len(time_matched) > 0):
        date = {
            "yyyy": date_matched[0].group(3),
            "MM": date_matched[0].group(1),
            "dd": date_matched[0].group(2),
            "HH": time_matched[0].group(1),
            "mm": time_matched[0].group(2),
            "ss": time_matched[0].group(3),
        }
        formatted_datetime = "{yyyy}/{MM}/{dd} {HH}:{mm}:{ss}".format(**date)
        time = datetime.strptime(formatted_datetime, '%Y/%m/%d %H:%M:%S')
        default_time = time

    item["time"] = time.timestamp()
    print(json.dumps(item))