bundles/mosquitto: rewrite tasmota-telegraf-plugin using paho-mqtt library
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This commit is contained in:
Franzi 2021-06-06 15:17:34 +02:00
parent fa4fe51155
commit 94dba9139b
Signed by: kunsi
GPG Key ID: 12E3D2136B818350
3 changed files with 81 additions and 41 deletions

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@ -1,53 +1,84 @@
#!/usr/bin/env python3
from json import loads
from subprocess import Popen, PIPE
from os import getpid
from sys import argv, stderr
from time import sleep
while True:
import paho.mqtt.client as mqtt
BROKER_HOST = argv[1]
BROKER_TOPIC = argv[2]
def log(msg):
print(msg, file=stderr, flush=True)
def out(msg):
print(msg, flush=True)
def on_connect(client, userdata, flags, rc):
log(f'connected to mqtt broker at {BROKER_HOST} with status: {mqtt.connack_string(rc)}')
client.subscribe(BROKER_TOPIC)
def on_disconnect(client, userdata, rc):
log(f'disconnected from mqtt broker at {BROKER_HOST} with status: {mqtt.error_string(rc)}')
def on_message(client, userdata, msg):
try:
proc = Popen(['mosquitto_sub', '-h', argv[1], '-v', '-t', argv[2]], stdout=PIPE)
message = msg.payload.decode()
while True:
try:
line = proc.stdout.readline().decode().strip()
if not any(message.startswith(i) for i in ['{', '[']):
# probably not json
return
if not line:
continue
json = loads(message)
topic_split = msg.topic.strip('/').split('/')
sensor_name = '_'.join(topic_split[:-1])
topic, message = line.split(' ', 1)
if topic_split[-1] == 'STATE':
# /switch/wohnzimmer/ambilight/STATE {"Time":"2021-05-15T07:40:16","Uptime":"4T18:48:43","Vcc":3.108,"Heap":19,"SleepMode":"Dynamic","Sleep":50,"LoadAvg":19,"POWER":"OFF","Wifi":{"AP":1,"SSId":"NSA Surveillance Van 2342","BSSId":"DA:CC:46:87:58:F7","Channel":6,"RSSI":100,"LinkCount":2,"Downtime":"0T00:00:27"}}
power_state = bool(json['POWER'] == 'ON')
out(f'tasmota,device={sensor_name} state={power_state}')
out(f'tasmota,device={sensor_name} rssi={json["Wifi"]["RSSI"]}i')
if not any(message.startswith(i) for i in ['{', '[']):
# probably not json
continue
json = loads(message)
topic_split = topic.strip('/').split('/')
sensor_name = '_'.join(topic_split[:-1])
if topic_split[-1] == 'STATE':
# /switch/wohnzimmer/ambilight/STATE {"Time":"2021-05-15T07:40:16","Uptime":"4T18:48:43","Vcc":3.108,"Heap":19,"SleepMode":"Dynamic","Sleep":50,"LoadAvg":19,"POWER":"OFF","Wifi":{"AP":1,"SSId":"NSA Surveillance Van 2342","BSSId":"DA:CC:46:87:58:F7","Channel":6,"RSSI":100,"LinkCount":2,"Downtime":"0T00:00:27"}}
power_state = bool(json['POWER'] == 'ON')
print(f'tasmota,device={sensor_name} state={power_state}', flush=True)
print(f'tasmota,device={sensor_name} rssi={json["Wifi"]["RSSI"]}i', flush=True)
if topic_split[-1] == 'SENSOR':
# /switch/wohnzimmer/ambilight/SENSOR {"Time":"2021-05-15T07:40:16","ENERGY":{"TotalStartTime":"2019-08-02T13:56:56","Total":2.324,"Yesterday":0.004,"Today":0.000,"Period":0,"Power":0,"ApparentPower":0,"ReactivePower":0,"Factor":0.00,"Voltage":237,"Current":0.000}}
print(f'tasmota,device={sensor_name} energy_total={json["ENERGY"]["Total"]}', flush=True)
print(f'tasmota,device={sensor_name} energy_today={json["ENERGY"]["Today"]}', flush=True)
print(f'tasmota,device={sensor_name} energy_yesterday={json["ENERGY"]["Yesterday"]}', flush=True)
print(f'tasmota,device={sensor_name} power={json["ENERGY"]["Power"]}', flush=True)
print(f'tasmota,device={sensor_name} apparent_power={json["ENERGY"]["ApparentPower"]}', flush=True)
print(f'tasmota,device={sensor_name} reactive_power={json["ENERGY"]["ReactivePower"]}', flush=True)
print(f'tasmota,device={sensor_name} powerfactor={json["ENERGY"]["Factor"]}', flush=True)
print(f'tasmota,device={sensor_name} voltage={json["ENERGY"]["Voltage"]}i', flush=True)
print(f'tasmota,device={sensor_name} current={json["ENERGY"]["Current"]}', flush=True)
except Exception as e:
if line:
print('parse error while parsing a line:', file=stderr)
print(line, file=stderr)
print(repr(e), file=stderr, flush=True)
if topic_split[-1] == 'SENSOR':
# /switch/wohnzimmer/ambilight/SENSOR {"Time":"2021-05-15T07:40:16","ENERGY":{"TotalStartTime":"2019-08-02T13:56:56","Total":2.324,"Yesterday":0.004,"Today":0.000,"Period":0,"Power":0,"ApparentPower":0,"ReactivePower":0,"Factor":0.00,"Voltage":237,"Current":0.000}}
out(f'tasmota,device={sensor_name} energy_total={json["ENERGY"]["Total"]}')
out(f'tasmota,device={sensor_name} energy_today={json["ENERGY"]["Today"]}')
out(f'tasmota,device={sensor_name} energy_yesterday={json["ENERGY"]["Yesterday"]}')
out(f'tasmota,device={sensor_name} power={json["ENERGY"]["Power"]}')
out(f'tasmota,device={sensor_name} apparent_power={json["ENERGY"]["ApparentPower"]}')
out(f'tasmota,device={sensor_name} reactive_power={json["ENERGY"]["ReactivePower"]}')
out(f'tasmota,device={sensor_name} powerfactor={json["ENERGY"]["Factor"]}')
out(f'tasmota,device={sensor_name} voltage={json["ENERGY"]["Voltage"]}i')
out(f'tasmota,device={sensor_name} current={json["ENERGY"]["Current"]}')
except Exception as e:
print(repr(e), file=stderr, flush=True)
sleep(10)
log(f'parse error while parsing a message on topic {msg.topic}:')
log(repr(e))
log(repr(msg.payload))
def on_subscribe(client, userdata, mid, granted_qos):
log(f'subscription {mid} was successful')
if __name__ == '__main__':
client = mqtt.Client(
client_id=f'tasmota-telegraf-plugin_{getpid()}'
)
client.on_connect = on_connect
client.on_disconnect = on_disconnect
client.on_message = on_message
client.on_subscribe = on_subscribe
client.connect(BROKER_HOST, 1883, 30)
client.loop_forever()

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@ -7,6 +7,9 @@ files = {
},
'/usr/local/bin/tasmota-telegraf-plugin': {
'mode': '0755',
'needs': {
'pkg_apt:python3-paho-mqtt',
},
},
}
@ -18,3 +21,8 @@ svc_systemd = {
},
},
}
if node.has_bundle('telegraf'):
files['/usr/local/bin/tasmota-telegraf-plugin']['triggers'] = {
'svc_systemd:telegraf:restart',
}

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@ -6,6 +6,7 @@ defaults = {
'packages': {
'mosquitto': {},
'mosquitto-clients': {},
'python3-paho-mqtt': {}, # for telegraf plugin
},
},
'icinga2_api': {