librenms-librenms-agent/snmp/redis.py

#!/usr/bin/env python3

import subprocess
import json

shell_cmd = "redis-cli info"
all_data = subprocess.Popen(shell_cmd, shell=True, stdout=subprocess.PIPE).stdout.read().split(b'\n')

version = 1
error = 0
error_string = ""
redis_data = {}

# stdout list to json
try:
    category = ''
    for d in all_data:
        d = d.replace(b'\r', b'')

        if d in [b'']:
            continue

        if d.startswith(b'#'):
            category = d.replace(b'# ', b'').decode("utf-8")
            redis_data[category] = {}
            continue

        if not len(category):
            error = 2
            error_string = 'category not defined'
            break

        k, v = d.split(b':')
        k = k.decode("utf-8")
        v = v.decode("utf-8")

        redis_data[category][k] = v

except:
    error = 1
    error_string = 'data extracting error'

output = {'version': version,
          'error': error,
          'errorString': error_string,
          'data': redis_data}

print (json.dumps(output))