1
0
Fork 0
mirror of https://github.com/retspen/webvirtcloud synced 2026-11-08 19:26:48 +00:00
webvirtcloud/networks/views.py
catborise d5df187de4 fix(networks, storages): a name in use is refused by the page again
The create forms of networks and storage pools checked the new name
against the host's list of networks or pools, but that list holds one
dict per object, so the name never matched and the check never fired;
libvirt refused the duplicate with its own wording. The check now
compares names: the page shows its own message, nothing is sent to
libvirt, and the Logs page gets a failed row "...: add: name already
in use".
2026-10-23 14:07:47 +03:00

293 lines
12 KiB
Python

from admin.decorators import superuser_only
from computes.models import Compute
from django.contrib import messages
from django.http import HttpResponseRedirect
from django.shortcuts import get_object_or_404, render
from django.urls import reverse
from django.utils.translation import gettext_lazy as _
from libvirt import libvirtError
from logs.audit import audit, failed
from vrtManager.network import network_size, wvmNetwork, wvmNetworks
from networks.forms import AddNetPool
@superuser_only
def networks(request, compute_id):
"""
:param request:
:param compute_id:
:return:
"""
compute = get_object_or_404(Compute, pk=compute_id)
errors = False
try:
conn = wvmNetworks(
compute.hostname,
compute.login,
compute.password,
compute.type,
)
networks = conn.get_networks_info()
dhcp4 = netmask4 = gateway4 = ""
dhcp6 = prefix6 = gateway6 = ""
ipv4 = ipv6 = False
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 [net["name"] for net in networks]:
msg = _("Network pool name already in use")
messages.error(request, msg)
failed(request, compute, f"Network {data['name']}", "add", "name already in use")
errors = True
if (
data["forward"] in ["bridge", "macvtap"]
and data["bridge_name"] == ""
):
messages.error(request, _("Please enter bridge/dev name"))
errors = True
if data["subnet"]:
ipv4 = True
gateway4, netmask4, dhcp4 = network_size(
data["subnet"], data["dhcp4"]
)
if data["subnet6"]:
ipv6 = True
gateway6, prefix6, dhcp6 = network_size(
data["subnet6"], data["dhcp6"]
)
if not errors:
with audit(request, compute, f"Network {data['name']}", "add"):
conn.create_network(
data["name"],
data["forward"],
ipv4,
gateway4,
netmask4,
dhcp4,
ipv6,
gateway6,
prefix6,
dhcp6,
data["bridge_name"],
data["openvswitch"],
data["fixed"],
)
return HttpResponseRedirect(
reverse("network", args=[compute_id, data["name"]])
)
else:
for msg_err in form.errors.values():
messages.error(request, msg_err.as_text())
conn.close()
except libvirtError as lib_err:
messages.error(request, lib_err)
return render(request, "networks.html", locals())
@superuser_only
def network(request, compute_id, pool):
"""
:param request:
:param compute_id:
:param pool:
:return:
"""
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()
net_mac = conn.get_network_mac()
net_forward = conn.get_network_forward()
qos = conn.get_qos()
dhcp_range_start = ipv4_dhcp_range_end = dict()
ip_networks = conn.get_ip_networks()
for family, ip_network in ip_networks.items():
if family == "ipv4":
ipv4_dhcp_range_start = conn.get_dhcp_range_start(family)
ipv4_dhcp_range_end = conn.get_dhcp_range_end(family)
ipv4_network = ip_network
ipv4_fixed_address = conn.get_dhcp_host_addr(family)
elif family == "ipv6":
ipv6_dhcp_range_start = conn.get_dhcp_range_start(family)
ipv6_dhcp_range_end = conn.get_dhcp_range_end(family)
ipv6_network = ip_network
ipv6_fixed_address = conn.get_dhcp_host_addr(family)
else:
raise Exception(_("Unknown Network Family"))
xml = conn._XMLDesc(0)
except libvirtError as lib_err:
messages.error(request, lib_err)
return HttpResponseRedirect(reverse("networks", args=[compute_id]))
if request.method == "POST":
subject = f"Network {pool}"
if "start" in request.POST:
try:
with audit(request, compute, subject, "start"):
conn.start()
return HttpResponseRedirect(request.get_full_path())
except libvirtError as lib_err:
messages.error(request, lib_err)
if "stop" in request.POST:
try:
with audit(request, compute, subject, "stop"):
conn.stop()
return HttpResponseRedirect(request.get_full_path())
except libvirtError as lib_err:
messages.error(request, lib_err)
if "delete" in request.POST:
try:
with audit(request, compute, subject, "delete"):
conn.delete()
return HttpResponseRedirect(reverse("networks", args=[compute_id]))
except libvirtError as lib_err:
messages.error(request, lib_err)
if "set_autostart" in request.POST:
try:
with audit(request, compute, subject, "autostart on"):
conn.set_autostart(1)
return HttpResponseRedirect(request.get_full_path())
except libvirtError as lib_err:
messages.error(request, lib_err)
if "unset_autostart" in request.POST:
try:
with audit(request, compute, subject, "autostart off"):
conn.set_autostart(0)
return HttpResponseRedirect(request.get_full_path())
except libvirtError as lib_err:
messages.error(request, lib_err)
if "modify_fixed_address" in request.POST:
name = request.POST.get("name", "")
address = request.POST.get("address", "")
family = request.POST.get("family", "ipv4")
if family == "ipv4":
mac_duid = request.POST.get("mac", "")
if family == "ipv6":
mac_duid = request.POST.get("id", "")
try:
with audit(request, compute, subject, f"set fixed address {address}"):
conn.modify_fixed_address(name, address, mac_duid, family)
messages.success(
request,
_("Fixed address operation completed for %(family)s")
% {"family": family.upper()},
)
return HttpResponseRedirect(request.get_full_path())
except libvirtError as lib_err:
messages.error(request, lib_err)
except ValueError as val_err:
messages.error(request, val_err)
if "delete_fixed_address" in request.POST:
ip = request.POST.get("address", "")
family = request.POST.get("family", "ipv4")
with audit(request, compute, subject, f"delete fixed address {ip}"):
conn.delete_fixed_address(ip, family)
messages.success(
request,
_("%(family)s Fixed Address is Deleted.") % {"family": family.upper()},
)
return HttpResponseRedirect(request.get_full_path())
if "modify_dhcp_range" in request.POST:
range_start = request.POST.get("range_start", "")
range_end = request.POST.get("range_end", "")
family = request.POST.get("family", "ipv4")
try:
with audit(request, compute, subject, f"set DHCP range {family.upper()}"):
conn.modify_dhcp_range(range_start, range_end, family)
messages.success(
request,
_("%(family)s DHCP Range is Changed.") % {"family": family.upper()},
)
return HttpResponseRedirect(request.get_full_path())
except libvirtError as lib_err:
messages.error(request, lib_err)
if "edit_network" in request.POST:
edit_xml = request.POST.get("edit_xml", "")
if edit_xml:
with audit(request, compute, subject, "change XML"):
conn.edit_network(edit_xml)
if conn.is_active():
messages.success(
request,
_(
"Network XML is changed. \\"
"Stop and start network to activate new config."
),
)
else:
messages.success(request, _("Network XML is changed."))
return HttpResponseRedirect(request.get_full_path())
if "set_qos" in request.POST:
qos_dir = request.POST.get("qos_direction", "")
average = request.POST.get("qos_average") or 0
peak = request.POST.get("qos_peak") or 0
burst = request.POST.get("qos_burst") or 0
try:
with audit(request, compute, subject, f"set QoS {qos_dir}"):
conn.set_qos(qos_dir, average, peak, burst)
if conn.is_active():
messages.success(
request,
_(
"%(qos_dir)s QoS is updated. Network XML is changed. Stop and start network to activate new config"
)
% {"qos_dir": qos_dir.capitalize()},
)
else:
messages.success(
request,
_("%(qos_dir)s QoS is set") % {"qos_dir": qos_dir.capitalize()},
)
except (libvirtError, ValueError) as err:
messages.error(request, err)
return HttpResponseRedirect(request.get_full_path())
if "unset_qos" in request.POST:
qos_dir = request.POST.get("qos_direction", "")
try:
with audit(request, compute, subject, f"unset QoS {qos_dir}"):
conn.unset_qos(qos_dir)
except ValueError as err:
messages.error(request, err)
return HttpResponseRedirect(request.get_full_path())
if conn.is_active():
messages.success(
request,
_(
"%(qos_dir)s QoS is deleted. Network XML is changed. \
Stop and start network to activate new config"
)
% {"qos_dir": qos_dir.capitalize()},
)
else:
messages.success(
request,
_("%(qos_dir)s QoS is deleted") % {"qos_dir": qos_dir.capitalize()},
)
return HttpResponseRedirect(request.get_full_path())
conn.close()
return render(request, "network.html", locals())