Files
freedavis/python/sysstats.py
2019-08-22 16:12:05 +02:00

237 lines
7.2 KiB
Python

#!/usr/bin/python -u
'''
------------------------------------------------------------------------
Type: Python 3.x script
Author: Milan Toman (milan.v.toman@gmail.com)
Description: System stats
Version: 2.0 (SQLite)
SQLite SCHEMA:
DB status
TABLE raspi
----------------
t_stamp | usage | host | type
-----------------------------------------------
INT | INT | VARCHAR(50) | VARCHAR(20)
CREATE TABLE raspi(
t_stamp INT,
usage INT,
host VARCHAR(50),
type VARCHAR(20));
TABLE network
----------------
t_stamp | count | type | nic | host
------------------------------------------------------------
INT | INT | VARCHAR(20) | VARCHAR(20) | VARCHAR(50)
CREATE TABLE network(
t_stamp INT,
count INT,
type VARCHAR(20),
nic VARCHAR(20),
host VARCHAR(50));
------------------------------------------------------------------------
Import libraries
------------------------------------------------------------------------
'''
# mandatory
import requests
import sys
import os
import re
import textwrap
import argparse
import time
import datetime
import simplejson as json
import sqlite3
import psutil
import socket
# optionally, future modules, locally available, I hate dependencies
from pprint import pprint
_SCRIPT_PATH = os.path.dirname(sys.argv[0])
#sys.path.append(_SCRIPT_PATH + "/home/pi/test/lib")
#print(_SCRIPT_PATH + "/lib")
global _hostname
_hostname = socket.gethostname()
'''
------------------------------------------------------------------------
SQLite def
------------------------------------------------------------------------
'''
_SQLiteDB = '/var/lib/plutonium/status.db'
'''
------------------------------------------------------------------------
Define variables
------------------------------------------------------------------------
'''
_VERSION = 2.0
_NAME = u"System stats collector"
'''
------------------------------------------------------------------------
Generic, standalone functions
------------------------------------------------------------------------
'''
# Obvious shit, set up the client class
influx_status_client = influxdb.client.InfluxDBClient(
influx_host, influx_port, influx_user, influx_pwd, status_db
)
def create_project(conn, project):
"""
Create a new project into the projects table
:param conn:
:param project:
:return: project id
"""
sql = ''' INSERT INTO wind(name,begin_date,end_date)
VALUES(?,?,?) '''
cur = conn.cursor()
cur.execute(sql, project)
return cur.lastrowid
'''
------------------------------------------------------------------------
Classes
------------------------------------------------------------------------
'''
class DBwriter(object):
def __init__(self):
__name__ = "Database writer class, SQLite"
def construct(self, DB, query):
""" Takes values in a writes them to influxdb
requires: list(connector): connector with ticks to be written
at once
str(measurement): the measurement ID to be written
dict(fields): fields to be written in one tick
dict(tags): tags to be written with the fields
returns: list(result_connector)
"""
conn = sqlite3.connect(db_file)
c = conn.cursor()
c.execute(query)
conn.commit()
conn.close()
return result_connector
class Stats(object):
def __init__(self):
__name__ = "Database writer class, SQLite"
'''
------------------------------------------------------------------------
Main
------------------------------------------------------------------------
'''
if '__main__':
status_writer = DBwriter()
while True:
averaged_cpu = psutil.cpu_percent()
mem_consumption = psutil.virtual_memory()[2]
disk_usage = psutil.disk_usage('/')[3]
print(psutil)
# CPU stats
for timeout in range(1,15):
if timeout == 1:
averaged_cpu = (averaged_cpu + psutil.cpu_percent()) / 2
mem_consumption = psutil.virtual_memory()[2]
disk_usage = psutil.disk_usage('/')[3]
if_counters = psutil.net_io_counters(pernic=True)
interfaces = if_counters.keys()
wlan_counters = if_counters["wlan0"]
wlan_sent = wlan_counters[0]
wlan_recv = wlan_counters[1]
wlan_error_in = wlan_counters[4]
wlan_error_out = wlan_counters[5]
wlan_drop_in = wlan_counters[6]
wlan_drop_out = wlan_counters[7]
eth_counters = if_counters["eth0"]
eth_sent = eth_counters[0]
eth_recv = eth_counters[1]
eth_error_in = eth_counters[4]
eth_error_out = eth_counters[5]
eth_drop_in = eth_counters[6]
eth_drop_out = eth_counters[7]
else:
averaged_cpu = (averaged_cpu + psutil.cpu_percent()) / 2
time.sleep(1)
# Write the whole blob into Influx DB
influx_status_write = status_writer.construct(
influx_status_write,
"RasPI",
{"usage": float(averaged_cpu)},
{"type": "cpu"}
)
influx_status_write = status_writer.construct(
influx_status_write,
"RasPI",
{"usage": float(mem_consumption)},
{"type": "mem"}
)
influx_status_write = status_writer.construct(
influx_status_write,
"RasPI",
{"usage": float(disk_usage)},
{"type": "disk"}
)
influx_status_write = status_writer.construct(
influx_status_write,
"net",
{
"b_out": float(wlan_sent),
"b_in": float(wlan_recv),
"e_out": float(wlan_error_out),
"e_in": float(wlan_error_in),
"drop_out": float(wlan_drop_out),
"drop_in": float(wlan_drop_in),
},
{
"type": "wlan0",
"host": _hostname
}
)
influx_status_write = status_writer.construct(
influx_status_write,
"net",
{
"b_out": float(eth_sent),
"b_in": float(eth_recv),
"e_out": float(eth_error_out),
"e_in": float(eth_error_in),
"drop_out": float(eth_drop_out),
"drop_in": float(eth_drop_in),
},
{
"type": "eth0",
"host": _hostname
}
)
print("Writing values: {}".format(influx_status_write))
influx_status_client.write_points(influx_status_write)
influx_status_write = []
averaged_cpu = 0