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webvirtcloud/networks/views.py
2015-12-22 15:09:02 +01:00

127 lines
4.7 KiB
Python

from django.shortcuts import render, get_object_or_404
from django.http import HttpResponseRedirect
from django.utils.translation import ugettext_lazy as _
from django.core.urlresolvers import reverse
from django.contrib.auth.decorators import login_required
from computes.models import Compute
from networks.forms import AddNetPool
from vrtManager.network import wvmNetwork, wvmNetworks
from vrtManager.network import network_size
from libvirt import libvirtError
@login_required
def networks(request, compute_id):
"""
:param request:
:return:
"""
if not request.user.is_superuser:
return HttpResponseRedirect(reverse('index'))
error_messages = []
compute = get_object_or_404(Compute, pk=compute_id)
try:
conn = wvmNetworks(compute.hostname,
compute.login,
compute.password,
compute.type)
networks = conn.get_networks_info()
if request.method == 'POST':
if 'create' in request.POST:
form = AddNetPool(request.POST)
if form.is_valid():
data = form.cleaned_data
if data['name'] in networks:
msg = _("Pool name already in use")
error_messages.append(msg)
if data['forward'] == 'bridge' and data['bridge_name'] == '':
error_messages.append('Please enter bridge name')
try:
gateway, netmask, dhcp = network_size(data['subnet'], data['dhcp'])
except:
error_msg = _("Input subnet pool error")
error_messages.append(error_msg)
if not error_messages:
conn.create_network(data['name'], data['forward'], gateway, netmask,
dhcp, data['bridge_name'], data['openvswitch'], data['fixed'])
return HttpResponseRedirect(reverse('network', args=[compute_id, data['name']]))
else:
for msg_err in form.errors.values():
error_messages.append(msg_err.as_text())
conn.close()
except libvirtError as lib_err:
error_messages.append(lib_err)
return render(request, 'networks.html', locals())
@login_required
def network(request, compute_id, pool):
"""
:param request:
:return:
"""
if not request.user.is_superuser:
return HttpResponseRedirect(reverse('index'))
error_messages = []
compute = get_object_or_404(Compute, pk=compute_id)
try:
conn = wvmNetwork(compute.hostname,
compute.login,
compute.password,
compute.type,
pool)
networks = conn.get_networks()
state = conn.is_active()
device = conn.get_bridge_device()
autostart = conn.get_autostart()
ipv4_forward = conn.get_ipv4_forward()
ipv4_dhcp_range_start = conn.get_ipv4_dhcp_range_start()
ipv4_dhcp_range_end = conn.get_ipv4_dhcp_range_end()
ipv4_network = conn.get_ipv4_network()
fixed_address = conn.get_mac_ipaddr()
except libvirtError as lib_err:
error_messages.append(lib_err)
if request.method == 'POST':
if 'start' in request.POST:
try:
conn.start()
return HttpResponseRedirect(request.get_full_path())
except libvirtError as lib_err:
error_messages.append(lib_err.message)
if 'stop' in request.POST:
try:
conn.stop()
return HttpResponseRedirect(request.get_full_path())
except libvirtError as lib_err:
error_messages.append(lib_err.message)
if 'delete' in request.POST:
try:
conn.delete()
return HttpResponseRedirect(reverse('networks', args=[compute_id]))
except libvirtError as lib_err:
error_messages.append(lib_err.message)
if 'set_autostart' in request.POST:
try:
conn.set_autostart(1)
return HttpResponseRedirect(request.get_full_path())
except libvirtError as lib_err:
error_messages.append(lib_err.message)
if 'unset_autostart' in request.POST:
try:
conn.set_autostart(0)
return HttpResponseRedirect(request.get_full_path())
except libvirtError as lib_err:
error_messages.append(lib_err.message)
conn.close()
return render(request, 'network.html', locals())