import os
import sys
import time
import datetime
import yaml
import redis

def __run__(params):
    REDIS_HOST       = params.get('redis_host','127.0.0.1')
    REDIS_PORT       = int(params.get('redis_port',6379))
    REDIS_DB         = int(params.get('redis_db',15))
    REDIS_KEY        = params.get('redis_key','errors:monitoring')
    LOG_PATTERN      = params.get('log_pattern')
    ERROR_THRESHOLD  = int(params.get('error_threshold'))
    CRITICAL = []
    OK = []

    now = datetime.datetime.now()

    try:
        r = redis.Redis(host=REDIS_HOST,port=REDIS_PORT,db=REDIS_DB)
    except:
        return [2, "Redis Connection Error"]

    key = "%s:%s:%s:%s:%s" % (REDIS_KEY,now.year, now.month, now.day, now.hour)

    if not r.exists(key):
        return [0, "Error Log OK"]
    else:
        if r.zscore(key,LOG_PATTERN) > ERROR_THRESHOLD:
            return [2, "Too Many Errors. Please check log files for %s" % LOG_PATTERN]
        else:
            return [0, "Error Log OK"]