69 lines
2.0 KiB
Python
69 lines
2.0 KiB
Python
# import pysnmp, sqlalchemy, ipaddress, os, influxdb_client, re, time
|
|
# # SQL
|
|
# from sqlalchemy import create_engine, exc # , Column, Integer, String, Numeric
|
|
# from sqlalchemy.ext.declarative import declarative_base
|
|
# from sqlalchemy.orm import sessionmaker
|
|
# # InfluxDB
|
|
# from influxdb_client import InfluxDBClient, Point, WritePrecision
|
|
# from influxdb_client.client.write_api import SYNCHRONOUS, ASYNCHRONOUS, WriteOptions
|
|
import pysnmp, ipaddress, os, re, time
|
|
#SNMP
|
|
from easysnmp import Session
|
|
# QoL
|
|
from typing import Annotated
|
|
|
|
|
|
# Program ENV---------------------------------------
|
|
HOST_LIST: Final[list] = os.getenv("HOST_LIST")
|
|
try:
|
|
RESOLV_ADDR: Final[str] = ipaddress(os.getenv("RESOLV_ADDR", "1.1.1.1"))
|
|
except ValueError:
|
|
raise Exception("Malformed DNS IP address.\nExiting...")
|
|
|
|
|
|
# Flightchecks-------------------------------------------
|
|
# Helper functions
|
|
def check_host_string(input_text: Annotated[str, "Text to check"]):
|
|
pattern = re.compile(r"^[A-Za-z].*$", re.IGNORECASE)
|
|
return pattern.match(input_text)
|
|
|
|
|
|
# Check if some neccesary ENVs are passed
|
|
if not USEINFLUX and not USESQL:
|
|
raise Exception("No database selected to store the data")
|
|
|
|
# if HOST_LIST empty, raise Exception No hosts passed
|
|
if not HOST_LIST:
|
|
raise Exception("No hosts passed\nExiting...")
|
|
|
|
# for host in HOST_LIST check if valid IP and create a list with strings
|
|
HOST_LIST_STR = []
|
|
for host in HOST_LIST:
|
|
try:
|
|
if not check_host_string(host):
|
|
ip = str(ipaddress.IPv4Address(host))
|
|
HOST_LIST_STR.append(ip)
|
|
except ValueError:
|
|
raise Exception("Malformed IP address.\nExiting...")
|
|
|
|
# Checking if DNS IP is a valid one
|
|
# Done under "Program ENV" on line ~18
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# Code-------------------------------------------
|
|
|
|
# Create connections for MySQL and InfluxDB
|
|
|
|
# functions for inserting data into two DBs
|
|
|
|
|
|
# DNS lookup if the user passed a hostname
|
|
# if not given a specific IP for DNS server, fallback to 1.1.1.1
|
|
|
|
# maybe a class?
|
|
# store last value and check if it wasn't sent already to the database
|