memcached2Influx.py

import argparse
from influxdb import InfluxDBClient
from datetime import datetime
import sys
from pymemcache.client import base
import os
import re
import json

#dafneStat

def jsonPost2Influx(fileData,clientMemcached,clientInflux):
    fileData['memcached'] = json.load(clientMemcached.get(fileData['keybind']))
    payload = []
    payload.append({
            "measurement": "dafneStat",
            "tags": {
                "key": fileData["keybind"]
            },
            "fields": {
                "data": json.dumps(fileData["memcached"])
            }
        })

def findTheKey(configFile,path):
    data = {}
    pattern = r'^"(.+)":(.+,(( ←)|[^a-zA-Z ]))'
    for line in configFile:
        match = re.search(pattern,line)
        if(match):
            match = re.search(pattern,line)
            parameter = re.sub(r',|"|( ←)',"",match.group(2))
            data[match.group(1)] = parameter
        if(line.find('keybind') != -1):
            line = re.sub(r',|( ←)',"",line)
            pattern = r'"(.+)":"(.+)"'
            match = re.search(pattern,line)
            data[match.group(1)] = match.group(2)
            return data
                    

            

parser = argparse.ArgumentParser()

parser.add_argument("-u", "--username", required = False ,default="", help = "the username needed to log in the db")
parser.add_argument("-p", "--password", required = False ,default="", help = "the password needed to log in the db")
parser.add_argument("-s", "--server", required = False , default="", help = "the ip address of the server")
parser.add_argument("-d", "--database", required = False, default = "" , help = "the name of the database you want to log in")
parser.add_argument("-f", "--file", default = "." , help = "the configuration file path")
parser.add_argument("-po", "--port", help = "the port associated with the server address")

args = parser.parse_args()

#log in the influx DB
#python memcached2Influx.py -s vldantemon003.lnf.infn.it -po 8086 -f '/home/riccardo/Random bs go/Test/cofnigurationFile.txt' 
#try:
clientInflux = InfluxDBClient(host=args.server, port=args.port, username=args.username, password=args.password)
print("succesfully logged in\n")
#except:
 #   sys.exit("Error: Invalid parameters, please try again")

#log in the memcached DB
#memcached_server = "192.168.198.20"
#mc_port = 11211
try:
    clientMemcached = base.Client( ("192.168.198.20" , 11211) , connect_timeout=20.0)
except:
    sys.exit('Cannot reach the memcached server, try again later')
    
#try:
  #  if os.path.isfile(args.file):
with open(args.file,'r') as configFile:
    fileData = findTheKey(configFile, clientMemcached)
    jsonPost2Influx(fileData,clientMemcached,clientInflux)
#except FileNotFoundError as e:
 #   sys.exit("Error: " + args.iptable + " is not valid or does not point to a DBFile.")