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Update chartjs for node statistics

This commit is contained in:
catborise 2019-05-21 09:10:32 +03:00
parent 455f239093
commit 9ab198bd8c
2 changed files with 120 additions and 91 deletions

View file

@ -1,5 +1,6 @@
import time
import json
from django.utils import timezone
from django.http import HttpResponse, HttpResponseRedirect
from django.core.urlresolvers import reverse
from django.shortcuts import render, get_object_or_404
@ -172,59 +173,25 @@ def compute_graph(request, compute_id):
:param request:
:return:
"""
points = 5
datasets = {}
cookies = {}
compute = get_object_or_404(Compute, pk=compute_id)
current_time = time.strftime("%H:%M:%S")
try:
conn = wvmHostDetails(compute.hostname,
compute.login,
compute.password,
compute.type)
current_time = timezone.now().strftime("%H:%M:%S")
cpu_usage = conn.get_cpu_usage()
mem_usage = conn.get_memory_usage()
conn.close()
except libvirtError:
cpu_usage = 0
mem_usage = 0
cpu_usage = {'usage': 0}
mem_usage = {'usage': 0}
try:
cookies['cpu'] = request.COOKIES['cpu']
cookies['mem'] = request.COOKIES['mem']
cookies['timer'] = request.COOKIES['timer']
except KeyError:
cookies['cpu'] = None
cookies['mem'] = None
if not cookies['cpu'] or not cookies['mem']:
datasets['cpu'] = [0] * points
datasets['mem'] = [0] * points
datasets['timer'] = [0] * points
else:
datasets['cpu'] = eval(cookies['cpu'])
datasets['mem'] = eval(cookies['mem'])
datasets['timer'] = eval(cookies['timer'])
datasets['timer'].append(current_time)
datasets['cpu'].append(int(cpu_usage['usage']))
datasets['mem'].append(int(mem_usage['usage']) / 1048576)
if len(datasets['timer']) > points:
datasets['timer'].pop(0)
if len(datasets['cpu']) > points:
datasets['cpu'].pop(0)
if len(datasets['mem']) > points:
datasets['mem'].pop(0)
data = json.dumps({'cpudata': datasets['cpu'], 'memdata': datasets['mem'], 'timeline': datasets['timer']})
data = json.dumps({'cpudata': cpu_usage['usage'],
'memdata': mem_usage,
'timeline': current_time})
response = HttpResponse()
response['Content-Type'] = "text/javascript"
response.cookies['cpu'] = datasets['cpu']
response.cookies['timer'] = datasets['timer']
response.cookies['mem'] = datasets['mem']
response.write(data)
return response