craftbeerpi4-pione/cbpi/extension/SensorLogTarget_InfluxDB/__init__.py

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# -*- coding: utf-8 -*-
import os
from urllib3 import Timeout, PoolManager
import logging
from unittest.mock import MagicMock, patch
import asyncio
import random
from cbpi.api import *
from cbpi.api.config import ConfigType
import urllib3
import base64
logger = logging.getLogger(__name__)
class SensorLogTargetInfluxDB(CBPiExtension):
def __init__(self, cbpi): # called from cbpi on start
self.cbpi = cbpi
self.influxdb = self.cbpi.config.get("INFLUXDB", "No")
if self.influxdb == "No":
return # never run()
self._task = asyncio.create_task(self.run()) # one time run() only
async def run(self): # called by __init__ once on start if influx is enabled
self.listener_ID = self.cbpi.log.add_sensor_data_listener(self.log_data_to_InfluxDB)
logger.info("InfluxDB sensor log target listener ID: {}".format(self.listener_ID))
async def log_data_to_InfluxDB(self, cbpi, id:str, value:str, timestamp, name): # called by log_data() hook from the log file controller
self.influxdb = self.cbpi.config.get("INFLUXDB", "No")
if self.influxdb == "No":
# We intentionally do not unsubscribe the listener here because then we had no way of resubscribing him without a restart of cbpi
# as long as cbpi was STARTED with INFLUXDB set to Yes this function is still subscribed, so changes can be made on the fly.
# but after initially enabling this logging target a restart is required.
return
self.influxdbcloud = self.cbpi.config.get("INFLUXDBCLOUD", "No")
self.influxdbaddr = self.cbpi.config.get("INFLUXDBADDR", None)
self.influxdbname = self.cbpi.config.get("INFLUXDBNAME", None)
self.influxdbuser = self.cbpi.config.get("INFLUXDBUSER", None)
self.influxdbpwd = self.cbpi.config.get("INFLUXDBPWD", None)
self.influxdbmeasurement = self.cbpi.config.get("INFLUXDBMEASUREMENT", "measurement")
timeout = Timeout(connect=5.0, read=None)
try:
sensor=self.cbpi.sensor.find_by_id(id)
if sensor is not None:
itemname=sensor.name.replace(" ", "_")
out=str(self.influxdbmeasurement)+",source=" + itemname + ",itemID=" + str(id) + " value="+str(value)
except Exception as e:
logging.error("InfluxDB ID Error: {}".format(e))
if self.influxdbcloud == "Yes":
self.influxdburl=self.influxdbaddr + "/api/v2/write?org=" + self.influxdbuser + "&bucket=" + self.influxdbname + "&precision=s"
try:
header = {'User-Agent': id, 'Authorization': "Token {}".format(self.influxdbpwd)}
http = PoolManager(timeout=timeout)
req = http.request('POST',self.influxdburl, body=out.encode(), headers = header)
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if req.status != 204:
raise Exception(f'InfluxDB Status code {req.status}')
except Exception as e:
logging.error("InfluxDB cloud write Error: {}".format(e))
else:
self.base64string = base64.b64encode(('%s:%s' % (self.influxdbuser,self.influxdbpwd)).encode())
self.influxdburl= self.influxdbaddr + '/write?db=' + self.influxdbname
try:
header = {'User-Agent': id, 'Content-Type': 'application/x-www-form-urlencoded','Authorization': 'Basic %s' % self.base64string.decode('utf-8')}
http = PoolManager(timeout=timeout)
req = http.request('POST',self.influxdburl, body=out.encode(), headers = header)
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if req.status != 204:
raise Exception(f'InfluxDB Status code {req.status}')
except Exception as e:
logging.error("InfluxDB write Error: {}".format(e))
def setup(cbpi):
cbpi.plugin.register("SensorLogTargetInfluxDB", SensorLogTargetInfluxDB)