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325 lines
9.3 KiB
325 lines
9.3 KiB
import os |
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DEBUG = os.environ.get('DEBUG') |
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PROD = os.environ.get('PROD') |
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import logging |
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logging.basicConfig( |
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format='[%(asctime)s] %(levelname)s %(module)s/%(funcName)s: - %(message)s', |
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level=logging.DEBUG if DEBUG else logging.INFO) |
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logging.getLogger('aiohttp').setLevel(logging.DEBUG if DEBUG else logging.WARNING) |
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import settings |
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import asyncio |
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import json |
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import time |
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from aiohttp import web, ClientSession, ClientError |
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from asyncio_mqtt import Client |
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from datetime import datetime, timedelta |
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import pytz |
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TIMEZONE = pytz.timezone('America/Edmonton') |
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app = web.Application() |
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http_session = None |
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from influxdb import InfluxDBClient |
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client = InfluxDBClient('localhost', 8086, database='sensors1' if PROD else 'sensors1dev') |
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PORT = 6903 if PROD else 6904 |
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class Sensors(): |
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sensors = [] |
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def add(self, sensor): |
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self.sensors.append(sensor) |
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def get(self, id_): |
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for sensor in self.sensors: |
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if str(sensor.id_) == str(id_): |
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return sensor |
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return False |
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def __iter__(self): |
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for sensor in self.sensors: |
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yield sensor |
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sensors = Sensors() |
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async def getter(url): |
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global http_session |
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if not http_session: |
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http_session = ClientSession() |
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try: |
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async with http_session.get(url, timeout=10) as response: |
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response.raise_for_status() |
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result = await response.json(content_type=None, encoding='UTF-8') |
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return result |
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except BaseException as e: |
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logging.error(e) |
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return False |
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class Sensor(): |
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value = {} |
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prev_value = {} |
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bad_keys = [] |
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last_update = time.time() |
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update_period = None |
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def __init__(self, id_, name): |
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self.id_ = id_ |
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self.name = name |
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def __str__(self): |
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return '{} {} (ID: {})'.format(self.type_, self.name, self.id_) |
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def transform(self, data): |
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return |
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def changed(self): |
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before = self.prev_value.copy() |
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for key in self.bad_keys: |
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before.pop(key, None) |
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after = self.value.copy() |
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for key in self.bad_keys: |
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after.pop(key, None) |
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return str(before) != str(after) |
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def log(self): |
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if not self.value or not self.changed(): |
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return |
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data = self.value.copy() |
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self.transform(data) |
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for key in self.bad_keys: |
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data.pop(key, None) |
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for key in ['id', 'time']: |
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data.pop(key, None) |
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timestamp = data.pop('timestamp', None) |
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if not timestamp: |
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timestamp = datetime.utcnow().replace(microsecond=0) |
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point = { |
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'time': timestamp, |
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'measurement': self.type_, |
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'tags': {'id': self.id_, 'name': self.name}, |
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'fields': data, |
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} |
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client.write_points([point]) |
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logging.info('Wrote %s data to InfluxDB.', self) |
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def check_update(self): |
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if self.update_period: |
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if time.time() - self.last_update > self.update_period: |
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logging.error('Missed expected update from %s.', self) |
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self.last_update = time.time() |
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def update(self, data): |
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self.last_update = time.time() |
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self.prev_value = self.value |
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self.value = data |
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self.log() |
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async def poll(self): |
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return |
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class ThermostatSensor(Sensor): |
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type_ = 'thermostat' |
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bad_keys = [ |
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'name', |
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'schedule', |
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'schedulepart', |
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'away', |
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'cooltempmin', |
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'cooltempmax', |
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'heattempmin', |
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'heattempmax', |
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'dehum_setpoint' |
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] |
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update_period = 300 |
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def __init__(self, id_, ip, name): |
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self.id_ = id_ |
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self.ip = ip |
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self.name = name |
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async def poll(self): |
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data = await getter('http://{}/query/info'.format(self.ip)) |
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self.update(data) |
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class ERTSCMSensor(Sensor): |
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type_ = 'ertscm' |
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bad_keys = [ |
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'model', |
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'mic', |
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] |
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update_period = 60*60 |
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class OwnTracksSensor(Sensor): |
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type_ = 'owntracks' |
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bad_keys = [ |
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'_type', |
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'topic', |
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'tst', |
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'created_at', |
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] |
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update_period = 90 |
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class DustSensor(Sensor): |
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type_ = 'dust' |
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update_period = 90 |
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def transform(self, data): |
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for key, value in data.items(): |
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# what happens if you do this to a timestamp? |
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try: |
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data[key] = float(round(value, 1)) |
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except TypeError: |
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pass |
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class Acurite606TX(Sensor): |
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type_ = 'temperature' |
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bad_keys = [ |
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'model', |
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'mic', |
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'battery_ok', |
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] |
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update_period = 40 |
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def transform(self, data): |
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if data['battery_ok'] != 1: |
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logging.error('%s battery not ok!', self) |
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data['temperature_C'] = float(data['temperature_C']) |
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async def poll_sensors(): |
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while True: |
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for sensor in sensors: |
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await sensor.poll() |
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sensor.check_update() |
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await asyncio.sleep(1) |
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async def process_data(data): |
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sensor = sensors.get(data['id']) |
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if sensor: |
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sensor.update(data) |
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async def process_mqtt(message): |
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text = message.payload.decode() |
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topic = message.topic |
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logging.debug('MQTT topic: %s, message: %s', topic, text) |
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if topic == 'test': |
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logging.info('MQTT test, message: %s', text) |
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return |
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try: |
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data = json.loads(text) |
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except json.JSONDecodeError: |
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return |
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if 'id' not in data: |
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return |
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await process_data(data) |
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async def fetch_mqtt(): |
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async with Client('localhost') as client: |
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async with client.filtered_messages('#') as messages: |
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await client.subscribe('#') |
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async for message in messages: |
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await process_mqtt(message) |
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async def owntracks(request): |
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data = await request.json() |
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logging.info('Web data: %s', str(data)) |
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if data.get('_type', '') == 'location': |
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data['id'] = data['topic'].split('/')[-1] |
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data['timestamp'] = datetime.utcfromtimestamp(data['tst']) |
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if 'inregions' in data: |
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data['inregions'] = ','.join(data['inregions']) |
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await process_data(data) |
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else: |
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logging.info('Not a location, skipping.') |
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return web.Response() |
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async def history(request): |
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measurement = request.match_info.get('measurement') |
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name = request.match_info.get('name') |
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end_unix = request.rel_url.query.get('end', None) |
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if end_unix: |
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end = datetime.fromtimestamp(end_unix) |
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else: |
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end = datetime.now(tz=pytz.UTC) |
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duration = request.rel_url.query.get('duration', 'today') |
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if duration == 'today': |
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now_tz = datetime.now(tz=TIMEZONE) |
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start = now_tz.replace(hour=0, minute=0, second=0, microsecond=0) |
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window = '5m' |
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elif duration == 'day': |
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start = end - timedelta(days=1) |
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window = '5m' |
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elif duration == 'week': |
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start = end - timedelta(days=7) |
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window = '30m' |
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elif duration == 'month': |
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start = end - timedelta(days=30) |
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window = '2h' |
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elif duration == 'year': |
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start = end - timedelta(days=365) |
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window = '24h' |
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start = int(start.timestamp()) |
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end = int(end.timestamp()) |
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if measurement == 'temperature': |
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q = 'select mean("temperature_C") as temperature_C from temperature where "name" = \'{}\' and time >= {}s and time < {}s group by time({}) fill(none)'.format(name, start, end, window) |
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elif measurement == 'ertscm': |
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q = 'select max("consumption_data") as consumption_data from ertscm where "name" = \'{}\' and time >= {}s and time < {}s group by time({}) fill(none)'.format(name, start, end, window) |
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elif measurement == 'dust': |
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q = 'select max("max_p10") as max_p10, max("max_p25") as max_p25 from dust where "name" = \'{}\' and time >= {}s and time < {}s group by time({}) fill(none)'.format(name, start, end, window) |
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#if window and moving_average: |
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# q = 'select moving_average(mean("value"),{}) as value from {} where "name" = \'{}\' and time >= {}s and time < {}s group by time({}m) fill(none)'.format(moving_average, measurement, name, start, end, window) |
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#elif window: |
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# q = 'select mean("value") as value from {} where "name" = \'{}\' and time >= {}s and time < {}s group by time({}m) fill(none)'.format(measurement, name, start, end, window) |
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#elif moving_average: |
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# q = 'select moving_average("value", {}) as value from {} where "name" = \'{}\' and time >= {}s and time < {}s'.format(moving_average, name, start, end) |
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#else: |
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# q = 'select value from {} where "name" = \'{}\' and time >= {}s and time < {}s'.format(measurement, name, start, end) |
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result = list(client.query(q).get_points()) |
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return web.json_response(result) |
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async def index(request): |
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return web.Response(text='hello world', content_type='text/html') |
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if __name__ == '__main__': |
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app.router.add_get('/', index) |
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app.router.add_post('/owntracks', owntracks) |
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app.router.add_get('/history/{measurement}/{name}', history) |
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sensors.add(ThermostatSensor('thermostat2', '192.168.69.152', 'Venstar')) |
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sensors.add(ERTSCMSensor('31005493', 'Water')) |
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sensors.add(ERTSCMSensor('41249312', 'Gas')) |
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sensors.add(OwnTracksSensor('owntracks1', 'OwnTracks')) |
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sensors.add(DustSensor('dust1', 'Nook')) |
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sensors.add(Acurite606TX('231', 'Outside')) |
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loop = asyncio.get_event_loop() |
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loop.create_task(poll_sensors()) |
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loop.create_task(fetch_mqtt()) |
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web.run_app(app, port=PORT, loop=loop)
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