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@minimaxir
minimaxir committed Oct 18, 2016
1 parent 96e7b8f commit 1a4582c
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2 changes: 1 addition & 1 deletion README.md
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# system-dashboard
Minimalist Win/OSX/Linux System Dashboard using Flask and Freeboard
Minimalist Win/OSX/Linux System Dashboard using Flask and Freeboard. This tool was created extremely quickly (less than a couple hours) as a "Hello World" for both technologies.
63 changes: 63 additions & 0 deletions flask_system.py
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from flask import Flask
from flask_cors import CORS
from flask_cors import cross_origin
import json
import os
import psutil
import time

app = Flask(__name__)
CORS(app) # Necessary since API is running locally

period = 1

# Disable Flask console messages: http://stackoverflow.com/a/18379764
import logging
log = logging.getLogger('werkzeug')
log.setLevel(logging.ERROR)

@cross_origin()
@app.route('/')
def index():

disk_write_data_start = psutil.disk_io_counters(perdisk=False)
io_data_start = psutil.net_io_counters()

time.sleep(period)

cpu_data = psutil.cpu_percent(interval=None)
ram_data = psutil.virtual_memory()
disk_data = psutil.disk_usage('/')
disk_write_data = psutil.disk_io_counters(perdisk=False)
io_data = psutil.net_io_counters()

data = {
'cpu': {
'percent': cpu_data
},
'ram': {
'percent': ram_data[2],
'total': ram_data[0],
'used': ram_data[3]
},
'disk': {
'total': disk_data[0],
'used': disk_data[1],
'percent': disk_data[3],
'read_bytes_sec': (disk_write_data[2] - disk_write_data_start[2]) \
/ period,
'write_bytes_sec': (disk_write_data[3] - disk_write_data_start[3]) \
/ period
},
'io': {
'sent_bytes_sec': (io_data[0] - io_data_start[0]) / period,
'received_bytes_sec': (io_data[1] - io_data_start[1]) / period
}
}

return json.dumps(data)

if __name__ == "__main__":
print "System API up at http://localhost:5002"
PORT = int(os.getenv('PORT', 5002))
app.run(port=PORT, threaded=True)
230 changes: 230 additions & 0 deletions system_daskboard_flask.json
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{
"version": 1,
"allow_edit": true,
"plugins": [],
"panes": [
{
"width": 1,
"row": {
"3": 1
},
"col": {
"3": 1
},
"col_width": 1,
"widgets": [
{
"type": "text_widget",
"settings": {
"size": "regular",
"value": "datasources[\"Clock\"][\"time_string_value\"]",
"animate": true
}
}
]
},
{
"title": "Disk",
"width": 1,
"row": {
"3": 1
},
"col": {
"3": 3
},
"col_width": 1,
"widgets": [
{
"type": "text_widget",
"settings": {
"title": "Bytes Read / Sec",
"size": "regular",
"value": "(datasources[\"System Dashboard Flask\"][\"disk\"][\"read_bytes_sec\"] / 1000000).toFixed(3)",
"sparkline": true,
"animate": false,
"units": "MB"
}
},
{
"type": "text_widget",
"settings": {
"title": "Bytes Written / Sec",
"size": "regular",
"value": "(datasources[\"System Dashboard Flask\"][\"disk\"][\"write_bytes_sec\"] / 1000000).toFixed(3)",
"sparkline": true,
"animate": false,
"units": "MB"
}
}
]
},
{
"title": "I/O",
"width": 1,
"row": {
"3": 1
},
"col": {
"3": 2
},
"col_width": 1,
"widgets": [
{
"type": "text_widget",
"settings": {
"title": "Bytes Sent / Sec",
"size": "regular",
"value": "(datasources[\"System Dashboard Flask\"][\"io\"][\"sent_bytes_sec\"] / 1000000).toFixed(3)",
"sparkline": true,
"animate": false,
"units": "MB"
}
},
{
"type": "text_widget",
"settings": {
"title": "Bytes Received / Sec",
"size": "regular",
"value": "(datasources[\"System Dashboard Flask\"][\"io\"][\"received_bytes_sec\"] / 1000000).toFixed(3)",
"sparkline": true,
"animate": false,
"units": "MB"
}
}
]
},
{
"title": "CPU",
"width": 1,
"row": {
"3": 5
},
"col": {
"3": 1
},
"col_width": 1,
"widgets": [
{
"type": "text_widget",
"settings": {
"size": "big",
"value": "datasources[\"System Dashboard Flask\"][\"cpu\"][\"percent\"].toFixed(1)",
"sparkline": true,
"animate": false,
"units": "%"
}
}
]
},
{
"title": "RAM",
"width": 1,
"row": {
"3": 11
},
"col": {
"3": 1
},
"col_width": 1,
"widgets": [
{
"type": "text_widget",
"settings": {
"size": "big",
"value": "datasources[\"System Dashboard Flask\"][\"ram\"][\"percent\"].toFixed(1)",
"sparkline": true,
"animate": false,
"units": "%"
}
}
]
},
{
"title": "Disk Usage",
"width": 1,
"row": {
"3": 11
},
"col": {
"3": 3
},
"col_width": "1",
"widgets": [
{
"type": "text_widget",
"settings": {
"title": "Space Used",
"size": "regular",
"value": "(datasources[\"System Dashboard Flask\"][\"disk\"][\"used\"] / (1000 * 1024 * 1024)).toFixed(2)",
"animate": true,
"units": "GB"
}
},
{
"type": "text_widget",
"settings": {
"title": "Disk Total",
"size": "regular",
"value": "(datasources[\"System Dashboard Flask\"][\"disk\"][\"total\"] / (1000 * 1024 * 1024)).toFixed(2)",
"animate": true,
"units": "GB"
}
}
]
},
{
"width": 1,
"row": {
"3": 11
},
"col": {
"3": 2
},
"col_width": 1,
"widgets": [
{
"type": "text_widget",
"settings": {
"title": "RAM Used",
"size": "regular",
"value": "(datasources[\"System Dashboard Flask\"][\"ram\"][\"used\"] / (1000 * 1024 * 1024)).toFixed(2)",
"sparkline": false,
"animate": false,
"units": "GB"
}
},
{
"type": "text_widget",
"settings": {
"title": "RAM Total",
"size": "regular",
"value": "(datasources[\"System Dashboard Flask\"][\"ram\"][\"total\"] / (1000 * 1024 * 1024)).toFixed(2)",
"sparkline": false,
"animate": true,
"units": "GB"
}
}
]
}
],
"datasources": [
{
"name": "System Dashboard Flask",
"type": "JSON",
"settings": {
"url": "http://127.0.0.1:5002",
"use_thingproxy": false,
"refresh": 1,
"method": "GET"
}
},
{
"name": "Clock",
"type": "clock",
"settings": {
"refresh": 1
}
}
],
"columns": 3
}

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