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added option to turn off messages from config

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This commit is contained in:
Hristo Jelev
2020-04-30 01:08:34 +03:00
parent 06c8af54fe
commit b2cfe3077c
1 changed files with 47 additions and 30 deletions
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77
src/rpi-cpu2mqtt.py
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@@ -8,10 +8,10 @@ import subprocess, time, socket, os
import paho.mqtt.client as paho
import config
#get device host name - used in mqtt topic
# get device host name - used in mqtt topic
hostname = socket.gethostname()
#mqtt server configuration
# mqtt server configuration
mqtt_host = config.mqtt_host
mqtt_user = config.mqtt_user
mqtt_password = config.mqtt_password
@@ -26,7 +26,7 @@ def check_used_space(path):
return used_space
def check_cpu_load():
#bash command to get cpu load from uptime command
# bash command to get cpu load from uptime command
p = subprocess.Popen("uptime", shell=True, stdout=subprocess.PIPE).communicate()[0]
cores = subprocess.Popen("nproc", shell=True, stdout=subprocess.PIPE).communicate()[0]
cpu_load = p.split("average:")[1].split(",")[0].replace(' ', '')
@@ -62,39 +62,56 @@ def check_sys_clock_speed():
return subprocess.Popen(full_cmd, shell=True, stdout=subprocess.PIPE).communicate()[0]
def publish_to_mqtt (cpu_load, cpu_temp, used_space, voltage, sys_clock_speed, swap, memory):
#connect to mqtt server
def publish_to_mqtt (cpu_load = 0, cpu_temp = 0, used_space = 0, voltage = 0, sys_clock_speed = 0, swap = 0, memory = 0):
# connect to mqtt server
client = paho.Client()
client.username_pw_set(mqtt_user, mqtt_password)
client.connect(mqtt_host, mqtt_port)
#publish monitored values to MQTT
client.publish(mqtt_topic_prefix+"/"+hostname+"/cpuload", cpu_load, qos=1)
time.sleep(1)
client.publish(mqtt_topic_prefix+"/"+hostname+"/cputemp", cpu_temp, qos=1)
time.sleep(1)
client.publish(mqtt_topic_prefix+"/"+hostname+"/diskusage", used_space, qos=1)
time.sleep(1)
client.publish(mqtt_topic_prefix+"/"+hostname+"/voltage", voltage, qos=1)
time.sleep(1)
client.publish(mqtt_topic_prefix+"/"+hostname+"/swap", swap, qos=1)
time.sleep(1)
client.publish(mqtt_topic_prefix+"/"+hostname+"/memory", memory, qos=1)
time.sleep(1)
client.publish(mqtt_topic_prefix+"/"+hostname+"/sys_clock_speed", sys_clock_speed, qos=1)
time.sleep(1)
#disconect from mqtt server
# publish monitored values to MQTT
if config.cpu_load:
client.publish(mqtt_topic_prefix+"/"+hostname+"/cpuload", cpu_load, qos=1)
time.sleep(config.sleep_time)
if config.cpu_temp:
client.publish(mqtt_topic_prefix+"/"+hostname+"/cputemp", cpu_temp, qos=1)
time.sleep(config.sleep_time)
if config.used_space:
client.publish(mqtt_topic_prefix+"/"+hostname+"/diskusage", used_space, qos=1)
time.sleep(config.sleep_time)
if config.voltage:
client.publish(mqtt_topic_prefix+"/"+hostname+"/voltage", voltage, qos=1)
time.sleep(config.sleep_time)
if config.swap:
client.publish(mqtt_topic_prefix+"/"+hostname+"/swap", swap, qos=1)
time.sleep(config.sleep_time)
if config.memory:
client.publish(mqtt_topic_prefix+"/"+hostname+"/memory", memory, qos=1)
time.sleep(config.sleep_time)
if config.sys_clock_speed:
client.publish(mqtt_topic_prefix+"/"+hostname+"/sys_clock_speed", sys_clock_speed, qos=1)
time.sleep(config.sleep_time)
# disconect from mqtt server
client.disconnect()
if __name__ == '__main__':
#collect the monitored values
cpu_load = check_cpu_load()
cpu_temp = check_cpu_temp()
used_space = check_used_space('/')
voltage = check_voltage()
sys_clock_speed = check_sys_clock_speed()
swap = check_swap()
memory = check_memory()
# set all monitored values to False in case they are turned off in the config
cpu_load = cpu_temp = used_space = voltage = sys_clock_speed = swap = memory = False
#Publish messages to MQTT
# collect the monitored values
if config.cpu_load:
cpu_load = check_cpu_load()
if config.cpu_temp:
cpu_temp = check_cpu_temp()
if config.used_space:
used_space = check_used_space('/')
if config.voltage:
voltage = check_voltage()
if config.sys_clock_speed:
sys_clock_speed = check_sys_clock_speed()
if config.swap:
swap = check_swap()
if config.memory:
memory = check_memory()
# Publish messages to MQTT
publish_to_mqtt(cpu_load, cpu_temp, used_space, voltage, sys_clock_speed, swap, memory)