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ISP-RPi-mqtt-daemon.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import _thread
from datetime import datetime, timedelta
from tzlocal import get_localzone
import threading
import socket
import os
import subprocess
import uuid
import ssl
import sys
import re
import json
import os.path
import argparse
from time import time, sleep, localtime, strftime
from collections import OrderedDict
from colorama import init as colorama_init
from colorama import Fore, Back, Style
from configparser import ConfigParser
from unidecode import unidecode
import paho.mqtt.client as mqtt
import sdnotify
from signal import signal, SIGPIPE, SIG_DFL
signal(SIGPIPE, SIG_DFL)
script_version = "1.5.5"
script_name = 'ISP-RPi-mqtt-daemon.py'
script_info = '{} v{}'.format(script_name, script_version)
project_name = 'RPi Reporter MQTT2HA Daemon'
project_url = 'https://github.com/ironsheep/RPi-Reporter-MQTT2HA-Daemon'
# we'll use this throughout
local_tz = get_localzone()
# TODO:
# - add announcement of free-space and temperatore endpoints
if False:
# will be caught by python 2.7 to be illegal syntax
print_line(
'Sorry, this script requires a python3 runtime environment.', file=sys.stderr)
os._exit(1)
# Argparse
opt_debug = False
opt_verbose = False
# Systemd Service Notifications - https://github.com/bb4242/sdnotify
sd_notifier = sdnotify.SystemdNotifier()
# Logging function
def print_line(text, error=False, warning=False, info=False, verbose=False, debug=False, console=True, sd_notify=False):
timestamp = strftime('%Y-%m-%d %H:%M:%S', localtime())
if console:
if error:
print(Fore.RED + Style.BRIGHT + '[{}] '.format(
timestamp) + Style.RESET_ALL + '{}'.format(text) + Style.RESET_ALL, file=sys.stderr)
elif warning:
print(Fore.YELLOW + '[{}] '.format(timestamp) +
Style.RESET_ALL + '{}'.format(text) + Style.RESET_ALL)
elif info or verbose:
if opt_verbose:
print(Fore.GREEN + '[{}] '.format(timestamp) +
Fore.YELLOW + '- ' + '{}'.format(text) + Style.RESET_ALL)
elif debug:
if opt_debug:
print(Fore.CYAN + '[{}] '.format(timestamp) +
'- (DBG): ' + '{}'.format(text) + Style.RESET_ALL)
else:
print(Fore.GREEN + '[{}] '.format(timestamp) +
Style.RESET_ALL + '{}'.format(text) + Style.RESET_ALL)
timestamp_sd = strftime('%b %d %H:%M:%S', localtime())
if sd_notify:
sd_notifier.notify(
'STATUS={} - {}.'.format(timestamp_sd, unidecode(text)))
# Identifier cleanup
def clean_identifier(name):
clean = name.strip()
for this, that in [[' ', '-'], ['ä', 'ae'], ['Ä', 'Ae'], ['ö', 'oe'], ['Ö', 'Oe'], ['ü', 'ue'], ['Ü', 'Ue'], ['ß', 'ss']]:
clean = clean.replace(this, that)
clean = unidecode(clean)
return clean
# Argparse
parser = argparse.ArgumentParser(
description=project_name, epilog='For further details see: ' + project_url)
parser.add_argument("-v", "--verbose",
help="increase output verbosity", action="store_true")
parser.add_argument(
"-d", "--debug", help="show debug output", action="store_true")
parser.add_argument(
"-s", "--stall", help="TEST: report only the first time", action="store_true")
parser.add_argument("-c", '--config_dir',
help='set directory where config.ini is located', default=sys.path[0])
parse_args = parser.parse_args()
config_dir = parse_args.config_dir
opt_debug = parse_args.debug
opt_verbose = parse_args.verbose
opt_stall = parse_args.stall
print_line(script_info, info=True)
if opt_verbose:
print_line('Verbose enabled', info=True)
if opt_debug:
print_line('Debug enabled', debug=True)
if opt_stall:
print_line('TEST: Stall (no-re-reporting) enabled', debug=True)
# -----------------------------------------------------------------------------
# MQTT handlers
# -----------------------------------------------------------------------------
# Eclipse Paho callbacks - http://www.eclipse.org/paho/clients/python/docs/#callbacks
mqtt_client_connected = False
print_line(
'* init mqtt_client_connected=[{}]'.format(mqtt_client_connected), debug=True)
mqtt_client_should_attempt_reconnect = True
def on_connect(client, userdata, flags, rc):
global mqtt_client_connected
if rc == 0:
print_line('* MQTT connection established',
console=True, sd_notify=True)
print_line('') # blank line?!
#_thread.start_new_thread(afterMQTTConnect, ())
mqtt_client_connected = True
print_line('on_connect() mqtt_client_connected=[{}]'.format(
mqtt_client_connected), debug=True)
else:
print_line('! Connection error with result code {} - {}'.format(str(rc),
mqtt.connack_string(rc)), error=True)
print_line('MQTT Connection error with result code {} - {}'.format(str(rc),
mqtt.connack_string(rc)), error=True, sd_notify=True)
# technically NOT useful but readying possible new shape...
mqtt_client_connected = False
print_line('on_connect() mqtt_client_connected=[{}]'.format(
mqtt_client_connected), debug=True, error=True)
# kill main thread
os._exit(1)
def on_publish(client, userdata, mid):
#print_line('* Data successfully published.')
pass
# Load configuration file
config = ConfigParser(delimiters=(
'=', ), inline_comment_prefixes=('#'), interpolation=None)
config.optionxform = str
try:
with open(os.path.join(config_dir, 'config.ini')) as config_file:
config.read_file(config_file)
except IOError:
print_line('No configuration file "config.ini"',
error=True, sd_notify=True)
sys.exit(1)
daemon_enabled = config['Daemon'].getboolean('enabled', True)
# This script uses a flag file containing a date/timestamp of when the system was last updated
default_update_flag_filespec = '/home/pi/bin/lastupd.date'
update_flag_filespec = config['Daemon'].get(
'update_flag_filespec', default_update_flag_filespec)
default_base_topic = 'home/nodes'
base_topic = config['MQTT'].get('base_topic', default_base_topic).lower()
default_sensor_name = 'rpi-reporter'
sensor_name = config['MQTT'].get('sensor_name', default_sensor_name).lower()
# by default Home Assistant listens to the /homeassistant but it can be changed for a given installation
default_discovery_prefix = 'homeassistant'
discovery_prefix = config['MQTT'].get(
'discovery_prefix', default_discovery_prefix).lower()
# report our RPi values every 5min
min_interval_in_minutes = 2
max_interval_in_minutes = 30
default_interval_in_minutes = 5
interval_in_minutes = config['Daemon'].getint(
'interval_in_minutes', default_interval_in_minutes)
# default domain when hostname -f doesn't return it
default_domain = ''
fallback_domain = config['Daemon'].get(
'fallback_domain', default_domain).lower()
# Check configuration
#
if (interval_in_minutes < min_interval_in_minutes) or (interval_in_minutes > max_interval_in_minutes):
print_line('ERROR: Invalid "interval_in_minutes" found in configuration file: "config.ini"! Must be [{}-{}] Fix and try again... Aborting'.format(
min_interval_in_minutes, max_interval_in_minutes), error=True, sd_notify=True)
sys.exit(1)
# Ensure required values within sections of our config are present
if not config['MQTT']:
print_line('ERROR: No MQTT settings found in configuration file "config.ini"! Fix and try again... Aborting',
error=True, sd_notify=True)
sys.exit(1)
print_line('Configuration accepted', console=False, sd_notify=True)
# -----------------------------------------------------------------------------
# RPi variables monitored
# -----------------------------------------------------------------------------
rpi_mac = ''
rpi_model_raw = ''
rpi_model = ''
rpi_connections = ''
rpi_hostname = ''
rpi_fqdn = ''
rpi_linux_release = ''
rpi_linux_version = ''
rpi_uptime_raw = ''
rpi_uptime = ''
rpi_last_update_date = datetime.min
#rpi_last_update_date_v2 = datetime.min
rpi_filesystem_space_raw = ''
rpi_filesystem_space = ''
rpi_filesystem_percent = ''
rpi_system_temp = ''
rpi_gpu_temp = ''
rpi_cpu_temp = ''
rpi_mqtt_script = script_info
rpi_interfaces = []
rpi_filesystem = []
# Tuple (Total, Free, Avail.)
rpi_memory_tuple = ''
# Tuple (Hardware, Model Name, NbrCores, BogoMIPS, Serial)
rpi_cpu_tuple = ''
# for thermal status reporting
rpi_throttle_status = []
# new cpu loads
rpi_cpuload1 = ''
rpi_cpuload5 = ''
rpi_cpuload15 = ''
# -----------------------------------------------------------------------------
# monitor variable fetch routines
#
def getDeviceCpuInfo():
global rpi_cpu_tuple
# cat /proc/cpuinfo | /bin/egrep -i "processor|model|bogo|hardware|serial"
# MULTI-CORE
# processor : 0
# model name : ARMv7 Processor rev 4 (v7l)
# BogoMIPS : 38.40
# processor : 1
# model name : ARMv7 Processor rev 4 (v7l)
# BogoMIPS : 38.40
# processor : 2
# model name : ARMv7 Processor rev 4 (v7l)
# BogoMIPS : 38.40
# processor : 3
# model name : ARMv7 Processor rev 4 (v7l)
# BogoMIPS : 38.40
# Hardware : BCM2835
# Serial : 00000000a8d11642
#
# SINGLE CORE
# processor : 0
# model name : ARMv6-compatible processor rev 7 (v6l)
# BogoMIPS : 697.95
# Hardware : BCM2835
# Serial : 00000000131030c0
# Model : Raspberry Pi Zero W Rev 1.1
out = subprocess.Popen("cat /proc/cpuinfo | /bin/egrep -i 'processor|model|bogo|hardware|serial'",
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
lines = stdout.decode('utf-8').split("\n")
trimmedLines = []
for currLine in lines:
trimmedLine = currLine.lstrip().rstrip()
trimmedLines.append(trimmedLine)
cpu_hardware = '' # 'hardware'
cpu_cores = 0 # count of 'processor' lines
cpu_model = '' # 'model name'
cpu_bogoMIPS = 0.0 # sum of 'BogoMIPS' lines
cpu_serial = '' # 'serial'
for currLine in trimmedLines:
lineParts = currLine.split(':')
currValue = '{?unk?}'
if len(lineParts) >= 2:
currValue = lineParts[1].lstrip().rstrip()
if 'Hardware' in currLine:
cpu_hardware = currValue
if 'model name' in currLine:
cpu_model = currValue
if 'BogoMIPS' in currLine:
cpu_bogoMIPS += float(currValue)
if 'processor' in currLine:
cpu_cores += 1
if 'Serial' in currLine:
cpu_serial = currValue
out = subprocess.Popen("/bin/cat /proc/loadavg",
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
cpu_loads_raw = stdout.decode('utf-8').split()
print_line('cpu_loads_raw=[{}]'.format(cpu_loads_raw), debug=True)
cpu_load1 = round(float(float(cpu_loads_raw[0]) / int(cpu_cores) * 100), 1)
cpu_load5 = round(float(float(cpu_loads_raw[1]) / int(cpu_cores) * 100), 1)
cpu_load15 = round(float(float(cpu_loads_raw[2]) / int(cpu_cores) * 100), 1)
# Tuple (Hardware, Model Name, NbrCores, BogoMIPS, Serial)
rpi_cpu_tuple = (cpu_hardware, cpu_model, cpu_cores,
cpu_bogoMIPS, cpu_serial, cpu_load1, cpu_load5, cpu_load15)
print_line('rpi_cpu_tuple=[{}]'.format(rpi_cpu_tuple), debug=True)
def getDeviceMemory():
global rpi_memory_tuple
# $ cat /proc/meminfo | /bin/egrep -i "mem[TFA]"
# MemTotal: 948304 kB
# MemFree: 40632 kB
# MemAvailable: 513332 kB
out = subprocess.Popen("cat /proc/meminfo | /bin/egrep -i 'mem[tfa]'",
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
lines = stdout.decode('utf-8').split("\n")
trimmedLines = []
for currLine in lines:
trimmedLine = currLine.lstrip().rstrip()
trimmedLines.append(trimmedLine)
mem_total = ''
mem_free = ''
mem_avail = ''
for currLine in trimmedLines:
lineParts = currLine.split()
if 'MemTotal' in currLine:
mem_total = float(lineParts[1]) / 1024
if 'MemFree' in currLine:
mem_free = float(lineParts[1]) / 1024
if 'MemAvail' in currLine:
mem_avail = float(lineParts[1]) / 1024
# Tuple (Total, Free, Avail.)
rpi_memory_tuple = (mem_total, mem_free, mem_avail)
print_line('rpi_memory_tuple=[{}]'.format(rpi_memory_tuple), debug=True)
def getDeviceModel():
global rpi_model
global rpi_model_raw
global rpi_connections
out = subprocess.Popen("/bin/cat /proc/device-tree/model | /bin/sed -e 's/\\x0//g'",
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
rpi_model_raw = stdout.decode('utf-8')
# now reduce string length (just more compact, same info)
rpi_model = rpi_model_raw.replace('Raspberry ', 'R').replace(
'i Model ', 'i 1 Model').replace('Rev ', 'r').replace(' Plus ', '+')
# now decode interfaces
rpi_connections = 'e,w,b' # default
if 'Pi 3 ' in rpi_model:
if ' A ' in rpi_model:
rpi_connections = 'w,b'
else:
rpi_connections = 'e,w,b'
elif 'Pi 2 ' in rpi_model:
rpi_connections = 'e'
elif 'Pi 1 ' in rpi_model:
if ' A ' in rpi_model:
rpi_connections = ''
else:
rpi_connections = 'e'
print_line('rpi_model_raw=[{}]'.format(rpi_model_raw), debug=True)
print_line('rpi_model=[{}]'.format(rpi_model), debug=True)
print_line('rpi_connections=[{}]'.format(rpi_connections), debug=True)
def getLinuxRelease():
global rpi_linux_release
out = subprocess.Popen("/bin/cat /etc/apt/sources.list | /bin/egrep -v '#' | /usr/bin/awk '{ print $3 }' | /bin/grep . | /usr/bin/sort -u",
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
rpi_linux_release = stdout.decode('utf-8').rstrip()
print_line('rpi_linux_release=[{}]'.format(rpi_linux_release), debug=True)
def getLinuxVersion():
global rpi_linux_version
out = subprocess.Popen("/bin/uname -r",
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
rpi_linux_version = stdout.decode('utf-8').rstrip()
print_line('rpi_linux_version=[{}]'.format(rpi_linux_version), debug=True)
def getHostnames():
global rpi_hostname
global rpi_fqdn
out = subprocess.Popen("/bin/hostname -f",
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
fqdn_raw = stdout.decode('utf-8').rstrip()
print_line('fqdn_raw=[{}]'.format(fqdn_raw), debug=True)
rpi_hostname = fqdn_raw
if '.' in fqdn_raw:
# have good fqdn
nameParts = fqdn_raw.split('.')
rpi_fqdn = fqdn_raw
rpi_hostname = nameParts[0]
else:
# missing domain, if we have a fallback apply it
if len(fallback_domain) > 0:
rpi_fqdn = '{}.{}'.format(fqdn_raw, fallback_domain)
else:
rpi_fqdn = rpi_hostname
print_line('rpi_fqdn=[{}]'.format(rpi_fqdn), debug=True)
print_line('rpi_hostname=[{}]'.format(rpi_hostname), debug=True)
def getUptime():
global rpi_uptime_raw
global rpi_uptime
out = subprocess.Popen("/usr/bin/uptime",
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
rpi_uptime_raw = stdout.decode('utf-8').rstrip().lstrip()
print_line('rpi_uptime_raw=[{}]'.format(rpi_uptime_raw), debug=True)
basicParts = rpi_uptime_raw.split()
timeStamp = basicParts[0]
lineParts = rpi_uptime_raw.split(',')
if('user' in lineParts[1]):
rpi_uptime_raw = lineParts[0]
else:
rpi_uptime_raw = '{}, {}'.format(lineParts[0], lineParts[1])
rpi_uptime = rpi_uptime_raw.replace(
timeStamp, '').lstrip().replace('up ', '')
print_line('rpi_uptime=[{}]'.format(rpi_uptime), debug=True)
def getNetworkIFsUsingIP(ip_cmd):
cmd_str = '{} link show | /bin/egrep -v "link" | /bin/egrep " eth| wlan"'.format(
ip_cmd)
out = subprocess.Popen(cmd_str,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
lines = stdout.decode('utf-8').split("\n")
interfaceNames = []
line_count = len(lines)
if line_count > 2:
line_count = 2
if line_count == 0:
print_line('ERROR no lines left by ip(8) filter!', error=True)
sys.exit(1)
for lineIdx in range(line_count):
trimmedLine = lines[lineIdx].lstrip().rstrip()
if len(trimmedLine) > 0:
lineParts = trimmedLine.split()
interfaceName = lineParts[1].replace(':', '')
interfaceNames.append(interfaceName)
print_line('interfaceNames=[{}]'.format(interfaceNames), debug=True)
trimmedLines = []
for interface in interfaceNames:
lines = getSingleInterfaceDetails(interface)
for currLine in lines:
trimmedLines.append(currLine)
loadNetworkIFDetailsFromLines(trimmedLines)
def getSingleInterfaceDetails(interfaceName):
cmdString = '/sbin/ifconfig {} | /bin/egrep "Link|flags|inet |ether " | /bin/egrep -v -i "lo:|loopback|inet6|\:\:1|127\.0\.0\.1"'.format(
interfaceName)
out = subprocess.Popen(cmdString,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
lines = stdout.decode('utf-8').split("\n")
trimmedLines = []
for currLine in lines:
trimmedLine = currLine.lstrip().rstrip()
if len(trimmedLine) > 0:
trimmedLines.append(trimmedLine)
#print_line('interface:[{}] trimmedLines=[{}]'.format(interfaceName, trimmedLines), debug=True)
return trimmedLines
def loadNetworkIFDetailsFromLines(ifConfigLines):
global rpi_interfaces
global rpi_mac
#
# OLDER SYSTEMS
# eth0 Link encap:Ethernet HWaddr b8:27:eb:c8:81:f2
# inet addr:192.168.100.41 Bcast:192.168.100.255 Mask:255.255.255.0
# wlan0 Link encap:Ethernet HWaddr 00:0f:60:03:e6:dd
# NEWER SYSTEMS
# The following means eth0 (wired is NOT connected, and WiFi is connected)
# eth0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
# ether b8:27:eb:1a:f3:bc txqueuelen 1000 (Ethernet)
# wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
# inet 192.168.100.189 netmask 255.255.255.0 broadcast 192.168.100.255
# ether b8:27:eb:4f:a6:e9 txqueuelen 1000 (Ethernet)
#
tmpInterfaces = []
haveIF = False
imterfc = ''
rpi_mac = ''
for currLine in ifConfigLines:
lineParts = currLine.split()
#print_line('- currLine=[{}]'.format(currLine), debug=True)
#print_line('- lineParts=[{}]'.format(lineParts), debug=True)
if len(lineParts) > 0:
# skip interfaces generated by Home Assistant on RPi
if 'docker' in currLine or 'veth' in currLine or 'hassio' in currLine:
haveIF = False
continue
# let's evaluate remaining interfaces
if 'flags' in currLine: # NEWER ONLY
haveIF = True
imterfc = lineParts[0].replace(':', '')
#print_line('newIF=[{}]'.format(imterfc), debug=True)
elif 'Link' in currLine: # OLDER ONLY
haveIF = True
imterfc = lineParts[0].replace(':', '')
newTuple = (imterfc, 'mac', lineParts[4])
if rpi_mac == '':
rpi_mac = lineParts[4]
print_line('rpi_mac=[{}]'.format(rpi_mac), debug=True)
tmpInterfaces.append(newTuple)
print_line('newTuple=[{}]'.format(newTuple), debug=True)
elif haveIF == True:
print_line('IF=[{}], lineParts=[{}]'.format(
imterfc, lineParts), debug=True)
if 'inet' in currLine: # OLDER & NEWER
newTuple = (imterfc, 'IP',
lineParts[1].replace('addr:', ''))
tmpInterfaces.append(newTuple)
print_line('newTuple=[{}]'.format(newTuple), debug=True)
elif 'ether' in currLine: # NEWER ONLY
newTuple = (imterfc, 'mac', lineParts[1])
tmpInterfaces.append(newTuple)
if rpi_mac == '':
rpi_mac = lineParts[1]
print_line('rpi_mac=[{}]'.format(rpi_mac), debug=True)
print_line('newTuple=[{}]'.format(newTuple), debug=True)
haveIF = False
rpi_interfaces = tmpInterfaces
print_line('rpi_interfaces=[{}]'.format(rpi_interfaces), debug=True)
print_line('rpi_mac=[{}]'.format(rpi_mac), debug=True)
def getNetworkIFs():
ip_cmd = getIPCmd()
if ip_cmd != '':
getNetworkIFsUsingIP(ip_cmd)
else:
out = subprocess.Popen('/sbin/ifconfig | /bin/egrep "Link|flags|inet |ether " | /bin/egrep -v -i "lo:|loopback|inet6|\:\:1|127\.0\.0\.1"',
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
lines = stdout.decode('utf-8').split("\n")
trimmedLines = []
for currLine in lines:
trimmedLine = currLine.lstrip().rstrip()
if len(trimmedLine) > 0:
trimmedLines.append(trimmedLine)
print_line('trimmedLines=[{}]'.format(trimmedLines), debug=True)
loadNetworkIFDetailsFromLines(trimmedLines)
def getFileSystemDrives():
global rpi_filesystem_space_raw
global rpi_filesystem_space
global rpi_filesystem_percent
global rpi_filesystem
out = subprocess.Popen("/bin/df -m | /usr/bin/tail -n +2 | /bin/egrep -v 'tmpfs|boot'",
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
lines = stdout.decode('utf-8').split("\n")
trimmedLines = []
for currLine in lines:
trimmedLine = currLine.lstrip().rstrip()
if len(trimmedLine) > 0:
trimmedLines.append(trimmedLine)
print_line('getFileSystemDrives() trimmedLines=[{}]'.format(
trimmedLines), debug=True)
# EXAMPLES
#
# Filesystem 1M-blocks Used Available Use% Mounted on
# /dev/root 59998 9290 48208 17% /
# /dev/sda1 937872 177420 712743 20% /media/data
# or
# /dev/root 59647 3328 53847 6% /
# /dev/sda1 3703 25 3472 1% /media/pi/SANDISK
# or
# xxx.xxx.xxx.xxx:/srv/c2db7b94 200561 148655 41651 79% /
# FAILING Case v1.4.0:
# Here is the output of 'df -m'
# Sys. de fichiers blocs de 1M Utilisé Disponible Uti% Monté sur
# /dev/root 119774 41519 73358 37% /
# devtmpfs 1570 0 1570 0% /dev
# tmpfs 1699 0 1699 0% /dev/shm
# tmpfs 1699 33 1667 2% /run
# tmpfs 5 1 5 1% /run/lock
# tmpfs 1699 0 1699 0% /sys/fs/cgroup
# /dev/mmcblk0p1 253 55 198 22% /boot
# tmpfs 340 0 340 0% /run/user/1000
tmpDrives = []
for currLine in trimmedLines:
lineParts = currLine.split()
print_line('lineParts({})=[{}]'.format(
len(lineParts), lineParts), debug=True)
if len(lineParts) < 6:
print_line('BAD LINE FORMAT, Skipped=[{}]'.format(
lineParts), debug=True, warning=True)
continue
# tuple { total blocks, used%, mountPoint, device }
#
# new mech:
# Filesystem 1M-blocks Used Available Use% Mounted on
# [0] [1] [2] [3] [4] [5]
# [--] [n-3] [n-2] [n-1] [n] [--]
# where percent_field_index is 'n'
#
# locate our % used field...
for percent_field_index in range(len(lineParts) - 2, 1, -1):
if '%' in lineParts[percent_field_index]:
break
print_line('percent_field_index=[{}]'.format(
percent_field_index), debug=True)
total_size_idx = percent_field_index - 3
mount_idx = percent_field_index + 1
# do we have a two part device name?
device = lineParts[0]
if total_size_idx != 1:
device = '{} {}'.format(lineParts[0], lineParts[1])
print_line('device=[{}]'.format(device), debug=True)
# do we have a two part mount point?
mount_point = lineParts[mount_idx]
if len(lineParts) - 1 > mount_idx:
mount_point = '{} {}'.format(
lineParts[mount_idx], lineParts[mount_idx + 1])
print_line('mount_point=[{}]'.format(mount_point), debug=True)
total_size_in_gb = '{:.0f}'.format(
next_power_of_2(lineParts[total_size_idx]))
newTuple = (total_size_in_gb, lineParts[percent_field_index].replace(
'%', ''), mount_point, device)
tmpDrives.append(newTuple)
print_line('newTuple=[{}]'.format(newTuple), debug=True)
if newTuple[2] == '/':
rpi_filesystem_space_raw = currLine
rpi_filesystem_space = newTuple[0]
rpi_filesystem_percent = newTuple[1]
print_line('rpi_filesystem_space=[{}GB]'.format(
newTuple[0]), debug=True)
print_line('rpi_filesystem_percent=[{}]'.format(
newTuple[1]), debug=True)
rpi_filesystem = tmpDrives
print_line('rpi_filesystem=[{}]'.format(rpi_filesystem), debug=True)
def next_power_of_2(size):
size_as_nbr = int(size) - 1
return 1 if size == 0 else (1 << size_as_nbr.bit_length()) / 1024
def getVcGenCmd():
cmd_locn1 = '/usr/bin/vcgencmd'
cmd_locn2 = '/opt/vc/bin/vcgencmd'
desiredCommand = cmd_locn1
if os.path.exists(desiredCommand) == False:
desiredCommand = cmd_locn2
if os.path.exists(desiredCommand) == False:
desiredCommand = ''
if desiredCommand != '':
print_line('Found vcgencmd(1)=[{}]'.format(desiredCommand), debug=True)
return desiredCommand
def getIPCmd():
cmd_locn1 = '/bin/ip'
cmd_locn2 = '/sbin/ip'
desiredCommand = ''
if os.path.exists(cmd_locn1) == True:
desiredCommand = cmd_locn1
elif os.path.exists(cmd_locn2) == True:
desiredCommand = cmd_locn2
if desiredCommand != '':
print_line('Found IP(8)=[{}]'.format(desiredCommand), debug=True)
return desiredCommand
def getSystemTemperature():
global rpi_system_temp
global rpi_gpu_temp
global rpi_cpu_temp
rpi_gpu_temp_raw = 'failed'
cmd_fspec = getVcGenCmd()
if cmd_fspec == '':
rpi_system_temp = float('-1.0')
rpi_gpu_temp = float('-1.0')
rpi_cpu_temp = float('-1.0')
else:
retry_count = 3
while retry_count > 0 and 'failed' in rpi_gpu_temp_raw:
cmd_string = "{} measure_temp | /bin/sed -e 's/\\x0//g'".format(
cmd_fspec)
out = subprocess.Popen(cmd_string,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
rpi_gpu_temp_raw = stdout.decode(
'utf-8').rstrip().replace('temp=', '').replace('\'C', '')
retry_count -= 1
sleep(1)
if 'failed' in rpi_gpu_temp_raw:
interpretedTemp = float('-1.0')
else:
interpretedTemp = float(rpi_gpu_temp_raw)
rpi_gpu_temp = interpretedTemp
print_line('rpi_gpu_temp=[{}]'.format(rpi_gpu_temp), debug=True)
out = subprocess.Popen("/bin/cat /sys/class/thermal/thermal_zone0/temp",
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
rpi_cpu_temp_raw = stdout.decode('utf-8').rstrip()
rpi_cpu_temp = float(rpi_cpu_temp_raw) / 1000.0
print_line('rpi_cpu_temp=[{}]'.format(rpi_cpu_temp), debug=True)
# fallback to CPU temp is GPU not available
rpi_system_temp = rpi_gpu_temp
if rpi_gpu_temp == -1.0:
rpi_system_temp = rpi_cpu_temp
def getSystemThermalStatus():
global rpi_throttle_status
# sudo vcgencmd get_throttled
# throttled=0x0
#
# REF: https://harlemsquirrel.github.io/shell/2019/01/05/monitoring-raspberry-pi-power-and-thermal-issues.html
#
rpi_throttle_status = []
cmd_fspec = getVcGenCmd()
if cmd_fspec == '':
rpi_throttle_status.append('Not Available')
else:
cmd_string = "{} get_throttled".format(cmd_fspec)
out = subprocess.Popen(cmd_string,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
rpi_throttle_status_raw = stdout.decode('utf-8').rstrip()
print_line('rpi_throttle_status_raw=[{}]'.format(
rpi_throttle_status_raw), debug=True)
if not 'throttled' in rpi_throttle_status_raw:
rpi_throttle_status.append(
'bad response [{}] from vcgencmd'.format(rpi_throttle_status_raw))
else:
values = []
lineParts = rpi_throttle_status_raw.split('=')
print_line('lineParts=[{}]'.format(lineParts), debug=True)
rpi_throttle_value_raw = ''
if len(lineParts) > 1:
rpi_throttle_value_raw = lineParts[1]
rpi_throttle_value = int(0)
if len(rpi_throttle_value_raw) > 0:
values.append('throttled = {}'.format(rpi_throttle_value_raw))
if rpi_throttle_value_raw.startswith('0x'):
rpi_throttle_value = int(rpi_throttle_value_raw, 16)
else:
rpi_throttle_value = int(rpi_throttle_value_raw, 10)
# decode test code
#rpi_throttle_value = int('0x50002', 16)
if rpi_throttle_value > 0:
values = interpretThrottleValue(rpi_throttle_value)
else:
values.append('Not throttled')
if len(values) > 0:
rpi_throttle_status = values
print_line('rpi_throttle_status=[{}]'.format(
rpi_throttle_status), debug=True)
def interpretThrottleValue(throttleValue):
"""
01110000000000000010
|||| ||||_ Under-voltage detected
|||| |||_ Arm frequency capped
|||| ||_ Currently throttled
|||| |_ Soft temperature limit active
||||_ Under-voltage has occurred since last reboot
|||_ Arm frequency capped has occurred
||_ Throttling has occurred
|_ Soft temperature limit has occurred
"""
print_line('throttleValue=[{}]'.format(bin(throttleValue)), debug=True)
interpResult = []
meanings = [
(2**0, 'Under-voltage detected'),
(2**1, 'Arm frequency capped'),
(2**2, 'Currently throttled'),
(2**3, 'Soft temperature limit active'),
(2**16, 'Under-voltage has occurred'),
(2**17, 'Arm frequency capped has occurred'),
(2**18, 'Throttling has occurred'),
(2**19, 'Soft temperature limit has occurred'),
]
for meaningIndex in range(len(meanings)):
bitTuple = meanings[meaningIndex]
if throttleValue & bitTuple[0] > 0:
interpResult.append(bitTuple[1])
print_line('interpResult=[{}]'.format(interpResult), debug=True)
return interpResult
def getLastUpdateDate():
global rpi_last_update_date
# apt-get update writes to following dir (so date changes on update)
apt_listdir_filespec = '/var/lib/apt/lists/partial'
# apt-get dist-upgrade | autoremove update the following file when actions are taken
apt_lockdir_filespec = '/var/lib/dpkg/lock'
cmdString = '/bin/ls -ltrd {} {}'.format(
apt_listdir_filespec, apt_lockdir_filespec)
out = subprocess.Popen(cmdString,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
lines = stdout.decode('utf-8').split("\n")
trimmedLines = []
for currLine in lines:
trimmedLine = currLine.lstrip().rstrip()
if len(trimmedLine) > 0:
trimmedLines.append(trimmedLine)
print_line('trimmedLines=[{}]'.format(trimmedLines), debug=True)
fileSpec_latest = ''
if len(trimmedLines) > 0:
lastLineIdx = len(trimmedLines) - 1
lineParts = trimmedLines[lastLineIdx].split()
if len(lineParts) > 0:
lastPartIdx = len(lineParts) - 1
fileSpec_latest = lineParts[lastPartIdx]
print_line('fileSpec_latest=[{}]'.format(fileSpec_latest), debug=True)
fileModDateInSeconds = os.path.getmtime(fileSpec_latest)
fileModDate = datetime.fromtimestamp(fileModDateInSeconds)
rpi_last_update_date = fileModDate.replace(tzinfo=local_tz)
print_line('rpi_last_update_date=[{}]'.format(
rpi_last_update_date), debug=True)
def to_datetime(time):
return datetime.fromordinal(int(time)) + datetime.timedelta(time % 1)
def getLastInstallDate():
global rpi_last_update_date
#apt_log_filespec = '/var/log/dpkg.log'
#apt_log_filespec2 = '/var/log/dpkg.log.1'
out = subprocess.Popen("/bin/grep --binary-files=text 'status installed' /var/log/dpkg.log /var/log/dpkg.log.1 2>/dev/null | sort | tail -1",
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, _ = out.communicate()
last_installed_pkg_raw = stdout.decode(
'utf-8').rstrip().replace('/var/log/dpkg.log:', '').replace('/var/log/dpkg.log.1:', '')
print_line('last_installed_pkg_raw=[{}]'.format(
last_installed_pkg_raw), debug=True)
line_parts = last_installed_pkg_raw.split()
if len(line_parts) > 1:
pkg_date_string = '{} {}'.format(line_parts[0], line_parts[1])
print_line('pkg_date_string=[{}]'.format(pkg_date_string), debug=True)
# Example:
# 2020-07-22 17:08:26 status installed python3-tzlocal:all 1.3-1
pkg_install_date = datetime.strptime(
pkg_date_string, '%Y-%m-%d %H:%M:%S').replace(tzinfo=local_tz)
rpi_last_update_date = pkg_install_date
print_line('rpi_last_update_date=[{}]'.format(
rpi_last_update_date), debug=True)
# get our hostnames so we can setup MQTT
getHostnames()
if(sensor_name == default_sensor_name):
sensor_name = 'rpi-{}'.format(rpi_hostname)
# get model so we can use it too in MQTT
getDeviceModel()
getDeviceCpuInfo()
getLinuxRelease()
getLinuxVersion()
getFileSystemDrives()
# -----------------------------------------------------------------------------
# timer and timer funcs for ALIVE MQTT Notices handling
# -----------------------------------------------------------------------------
ALIVE_TIMOUT_IN_SECONDS = 60
def publishAliveStatus():
print_line('- SEND: yes, still alive -', debug=True)
mqtt_client.publish(lwt_topic, payload=lwt_online_val, retain=False)
def aliveTimeoutHandler():
print_line('- MQTT TIMER INTERRUPT -', debug=True)
_thread.start_new_thread(publishAliveStatus, ())
startAliveTimer()
def startAliveTimer():
global aliveTimer
global aliveTimerRunningStatus
stopAliveTimer()
aliveTimer = threading.Timer(ALIVE_TIMOUT_IN_SECONDS, aliveTimeoutHandler)
aliveTimer.start()
aliveTimerRunningStatus = True
print_line(
'- started MQTT timer - every {} seconds'.format(ALIVE_TIMOUT_IN_SECONDS), debug=True)
def stopAliveTimer():
global aliveTimer
global aliveTimerRunningStatus
aliveTimer.cancel()
aliveTimerRunningStatus = False
print_line('- stopped MQTT timer', debug=True)
def isAliveTimerRunning():
global aliveTimerRunningStatus
return aliveTimerRunningStatus