def nwfilters(request, compute_id):
"""
:param request:
:return:
"""
if not request.user.is_superuser:
return HttpResponseRedirect(reverse('index'))
error_messages = []
nwfilters_all = []
compute = get_object_or_404(Compute, pk=compute_id)
try:
conn = wvmNWFilters(compute.hostname, compute.login, compute.password,
compute.type)
if request.method == 'POST':
if 'create_nwfilter' in request.POST:
xml = request.POST.get('nwfilter_xml', '')
if xml:
try:
util.etree.fromstring(xml)
name = util.get_xml_path(xml, '/filter/@name')
uuid = util.get_xml_path(xml, '/filter/uuid')
except util.etree.ParseError:
name = None
for nwf in nwfilters:
if name == nwf.name():
error_msg = _(
"A network filter with this name already exists"
)
raise Exception(error_msg)
if uuid == nwf.UUIDString():
error_msg = _(
"A network filter with this uuid already exists"
)
raise Exception(error_msg)
else:
try:
msg = _("Creating NWFilter: %s" % name)
conn.create_nwfilter(xml)
addlogmsg(request.user.username, compute.hostname,
msg)
except libvirtError as lib_err:
error_messages.append(lib_err.message)
addlogmsg(request.user.username, compute.hostname,
lib_err.message)
if 'del_nwfilter' in request.POST:
name = request.POST.get('nwfiltername', '')
msg = _("Deleting NWFilter: %s" % name)
in_use = False
nwfilter = conn.get_nwfilter(name)
is_conn = wvmInstances(compute.hostname, compute.login,
compute.password, compute.type)
instances = is_conn.get_instances()
for inst in instances:
# if in_use: break
i_conn = wvmInstance(compute.hostname, compute.login,
compute.password, compute.type, inst)
dom_filterrefs = i_conn.get_filterrefs()
if name in dom_filterrefs:
in_use = True
msg = _(
"NWFilter is in use by %s. Cannot be deleted." %
inst)
error_messages.append(msg)
addlogmsg(request.user.username, compute.hostname, msg)
i_conn.close()
break
is_conn.close()
if nwfilter and not in_use:
nwfilter.undefine()
addlogmsg(request.user.username, compute.hostname, msg)
if 'cln_nwfilter' in request.POST:
name = request.POST.get('nwfiltername', '')
cln_name = request.POST.get('cln_name', name + '-clone')
conn.clone_nwfilter(name, cln_name)
msg = _("Cloning NWFilter %s as %s" % (name, cln_name))
addlogmsg(request.user.username, compute.hostname, msg)
for nwf in conn.get_nwfilters():
nwfilters_all.append(conn.get_nwfilter_info(nwf))
conn.close()
except libvirtError as lib_err:
error_messages.append(lib_err)
addlogmsg(request.user.username, compute.hostname, lib_err)
except Exception as err:
error_messages.append(err)
addlogmsg(request.user.username, compute.hostname, err)
return render(
request, 'nwfilters.html', {
'error_messages': error_messages,
'nwfilters': nwfilters_all,
'compute': compute
})
def nwfilter(request, compute_id, nwfltr):
error_messages = []
nwfilters_all = []
compute = get_object_or_404(Compute, pk=compute_id)
try:
nwfilter = wvmNWFilter(compute.hostname, compute.login,
compute.password, compute.type, nwfltr)
conn = wvmNWFilters(compute.hostname, compute.login, compute.password,
compute.type)
for nwf in conn.get_nwfilters():
nwfilters_all.append(conn.get_nwfilter_info(nwf))
uuid = nwfilter.get_uuid()
name = nwfilter.get_name()
xml = nwfilter.get_xml()
rules = nwfilter.get_rules()
refs = nwfilter.get_filter_refs()
if request.method == 'POST':
if 'edit_nwfilter' in request.POST:
new_xml = request.POST.get('edit_xml', '')
if new_xml:
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
if 'del_nwfilter_rule' in request.POST:
action = request.POST.get('action', '')
direction = request.POST.get('direction', '')
priority = request.POST.get('priority', '')
new_xml = nwfilter.delete_rule(action, direction, priority)
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
if 'del_nwfilter_ref' in request.POST:
ref_name = request.POST.get('ref')
new_xml = nwfilter.delete_ref(ref_name)
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
if 'add_nwfilter_rule' in request.POST:
rule_xml = request.POST.get('nwfilterrule_xml', '')
if not rule_xml:
return HttpResponseRedirect(request.get_full_path())
new_xml = nwfilter.add_rule(rule_xml)
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
if 'add_nwfilter_ref' in request.POST:
ref_name = request.POST.get('nwfilters_select', '')
if not ref_name:
return HttpResponseRedirect(request.get_full_path())
new_xml = nwfilter.add_ref(ref_name)
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
return HttpResponseRedirect(request.get_full_path())
conn.close()
nwfilter.close()
except libvirtError as lib_err:
error_messages.append(lib_err)
except Exception as error_msg:
error_messages.append(error_msg)
return render(request, 'nwfilter.html', locals())
def nwfilters(request, compute_id):
"""
:param request:
:param compute_id:
:return:
"""
nwfilters_all = []
compute = get_object_or_404(Compute, pk=compute_id)
try:
conn = wvmNWFilters(compute.hostname, compute.login, compute.password,
compute.type)
for nwf in conn.get_nwfilters():
nwfilters_all.append(conn.get_nwfilter_info(nwf))
if request.method == "POST":
if "create_nwfilter" in request.POST:
xml = request.POST.get("nwfilter_xml", "")
if xml:
try:
util.etree.fromstring(xml)
name = util.get_xml_path(xml, "/filter/@name")
uuid = util.get_xml_path(xml, "/filter/uuid")
except util.etree.ParseError:
name = None
for nwf in nwfilters_all:
if name == nwf["name"]:
error_msg = _(
"A network filter with this name already exists"
)
raise Exception(error_msg)
if uuid == nwf["uuid"]:
error_msg = _(
"A network filter with this UUID already exists"
)
raise Exception(error_msg)
else:
try:
msg = _("%(filter)s network filter is created") % {
"filter": name
}
conn.create_nwfilter(xml)
addlogmsg(request.user.username, compute.hostname,
msg)
except libvirtError as lib_err:
messages.error(request, lib_err)
addlogmsg(request.user.username, compute.hostname,
lib_err)
if "del_nwfilter" in request.POST:
name = request.POST.get("nwfiltername", "")
msg = _("%(filter)s network filter is deleted") % {
"filter": name
}
in_use = False
nwfilter = conn.get_nwfilter(name)
is_conn = wvmInstances(compute.hostname, compute.login,
compute.password, compute.type)
instances = is_conn.get_instances()
for inst in instances:
i_conn = wvmInstance(compute.hostname, compute.login,
compute.password, compute.type, inst)
dom_filterrefs = i_conn.get_filterrefs()
if name in dom_filterrefs:
in_use = True
msg = _(
"NWFilter is in use by %(instance)s. Cannot be deleted."
) % {
"instance": inst
}
messages.error(request, msg)
addlogmsg(request.user.username, compute.hostname, msg)
i_conn.close()
break
is_conn.close()
if nwfilter and not in_use:
nwfilter.undefine()
addlogmsg(request.user.username, compute.hostname, msg)
if "cln_nwfilter" in request.POST:
name = request.POST.get("nwfiltername", "")
cln_name = request.POST.get("cln_name", name + "-clone")
conn.clone_nwfilter(name, cln_name)
msg = _("Cloning NWFilter %(name)s as %(clone)s") % {
"name": name,
"clone": cln_name
}
addlogmsg(request.user.username, compute.hostname, msg)
conn.close()
except libvirtError as lib_err:
messages.error(request, lib_err)
addlogmsg(request.user.username, compute.hostname, lib_err)
except Exception as err:
messages.error(request, err)
addlogmsg(request.user.username, compute.hostname, err)
return render(
request,
"nwfilters.html",
{
"nwfilters": nwfilters_all,
"compute": compute,
},
)
def nwfilter(request, compute_id, nwfltr):
"""
:param request:
:param compute_id:
:param nwfltr:
:return:
"""
nwfilters_all = []
compute = get_object_or_404(Compute, pk=compute_id)
try:
nwfilter = wvmNWFilter(compute.hostname, compute.login,
compute.password, compute.type, nwfltr)
conn = wvmNWFilters(compute.hostname, compute.login, compute.password,
compute.type)
for nwf in conn.get_nwfilters():
nwfilters_all.append(conn.get_nwfilter_info(nwf))
uuid = nwfilter.get_uuid()
name = nwfilter.get_name()
xml = nwfilter.get_xml()
rules = nwfilter.get_rules()
refs = nwfilter.get_filter_refs()
if request.method == "POST":
if "edit_nwfilter" in request.POST:
new_xml = request.POST.get("edit_xml", "")
if new_xml:
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
if "del_nwfilter_rule" in request.POST:
action = request.POST.get("action", "")
direction = request.POST.get("direction", "")
priority = request.POST.get("priority", "")
new_xml = nwfilter.delete_rule(action, direction, priority)
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
if "del_nwfilter_ref" in request.POST:
ref_name = request.POST.get("ref")
new_xml = nwfilter.delete_ref(ref_name)
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
if "add_nwfilter_rule" in request.POST:
rule_xml = request.POST.get("nwfilterrule_xml", "")
if not rule_xml:
return HttpResponseRedirect(request.get_full_path())
new_xml = nwfilter.add_rule(rule_xml)
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
if "add_nwfilter_ref" in request.POST:
ref_name = request.POST.get("nwfilters_select", "")
if not ref_name:
return HttpResponseRedirect(request.get_full_path())
new_xml = nwfilter.add_ref(ref_name)
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
return HttpResponseRedirect(request.get_full_path())
conn.close()
nwfilter.close()
except libvirtError as lib_err:
messages.error(request, lib_err)
except Exception as error_msg:
messages.error(request, error_msg)
return render(request, "nwfilter.html", locals())
def nwfilters(request, compute_id):
"""
:param request:
:return:
"""
if not request.user.is_superuser:
return HttpResponseRedirect(reverse('index'))
error_messages = []
nwfilters_all = []
compute = get_object_or_404(Compute, pk=compute_id)
try:
conn = wvmNWFilters(compute.hostname,
compute.login,
compute.password,
compute.type)
if request.method == 'POST':
if 'create_nwfilter' in request.POST:
xml = request.POST.get('nwfilter_xml', '')
if xml:
try:
util.etree.fromstring(xml)
name = util.get_xml_path(xml, '/filter/@name')
uuid = util.get_xml_path(xml, '/filter/uuid')
except util.etree.ParseError:
name = None
for nwf in nwfilters:
if name == nwf.name():
error_msg = _("A network filter with this name already exists")
raise Exception(error_msg)
if uuid == nwf.UUIDString():
error_msg = _("A network filter with this uuid already exists")
raise Exception(error_msg)
else:
try:
msg = _("Creating NWFilter: %s" % name)
conn.create_nwfilter(xml)
addlogmsg(request.user.username, compute.hostname, msg)
except libvirtError as lib_err:
error_messages.append(lib_err.message)
addlogmsg(request.user.username, compute.hostname, lib_err.message)
if 'del_nwfilter' in request.POST:
name = request.POST.get('nwfiltername','')
msg = _("Deleting NWFilter: %s" % name)
in_use = False
nwfilter = conn.get_nwfilter(name)
is_conn = wvmInstances(compute.hostname, compute.login, compute.password, compute.type)
instances = is_conn.get_instances()
for inst in instances:
# if in_use: break
i_conn = wvmInstance(compute.hostname, compute.login, compute.password, compute.type, inst)
dom_filterrefs = i_conn.get_filterrefs()
if name in dom_filterrefs:
in_use = True
msg = _("NWFilter is in use by %s. Cannot be deleted." % inst)
error_messages.append(msg)
addlogmsg(request.user.username, compute.hostname, msg)
i_conn.close()
break
is_conn.close()
if nwfilter and not in_use:
nwfilter.undefine()
addlogmsg(request.user.username, compute.hostname, msg)
if 'cln_nwfilter' in request.POST:
name = request.POST.get('nwfiltername','')
cln_name = request.POST.get('cln_name', name + '-clone')
conn.clone_nwfilter(name,cln_name)
msg = _("Cloning NWFilter %s as %s" % (name, cln_name))
addlogmsg(request.user.username, compute.hostname, msg)
for nwf in conn.get_nwfilters():
nwfilters_all.append(conn.get_nwfilter_info(nwf))
conn.close()
except libvirtError as lib_err:
error_messages.append(lib_err)
addlogmsg(request.user.username, compute.hostname, lib_err)
except Exception as err:
error_messages.append(err)
addlogmsg(request.user.username, compute.hostname, err)
return render(request, 'nwfilters.html', {'error_messages': error_messages,
'nwfilters': nwfilters_all,
'compute': compute})
def nwfilter(request, compute_id, nwfltr):
error_messages = []
nwfilters_all = []
compute = get_object_or_404(Compute, pk=compute_id)
try:
nwfilter = wvmNWFilter(compute.hostname,
compute.login,
compute.password,
compute.type,
nwfltr)
conn = wvmNWFilters(compute.hostname,
compute.login,
compute.password,
compute.type)
for nwf in conn.get_nwfilters():
nwfilters_all.append(conn.get_nwfilter_info(nwf))
uuid = nwfilter.get_uuid()
name = nwfilter.get_name()
xml = nwfilter.get_xml()
rules = nwfilter.get_rules()
refs = nwfilter.get_filter_refs()
if request.method == 'POST':
if 'edit_nwfilter' in request.POST:
new_xml = request.POST.get('edit_xml', '')
if new_xml:
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
if 'del_nwfilter_rule' in request.POST:
action = request.POST.get('action', '')
direction = request.POST.get('direction', '')
priority = request.POST.get('priority', '')
new_xml = nwfilter.delete_rule(action, direction, priority)
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
if 'del_nwfilter_ref' in request.POST:
ref_name = request.POST.get('ref')
new_xml = nwfilter.delete_ref(ref_name)
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
if 'add_nwfilter_rule' in request.POST:
rule_xml = request.POST.get('nwfilterrule_xml', '')
if not rule_xml:
return HttpResponseRedirect(request.get_full_path())
new_xml = nwfilter.add_rule(rule_xml)
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
if 'add_nwfilter_ref' in request.POST:
ref_name = request.POST.get('nwfilters_select', '')
if not ref_name:
return HttpResponseRedirect(request.get_full_path())
new_xml = nwfilter.add_ref(ref_name)
nwfilter.delete()
try:
conn.create_nwfilter(new_xml)
except libvirtError as lib_err:
conn.create_nwfilter(xml)
raise libvirtError(lib_err)
return HttpResponseRedirect(request.get_full_path())
conn.close()
nwfilter.close()
except libvirtError as lib_err:
error_messages.append(lib_err)
except Exception as error_msg:
error_messages.append(error_msg)
return render(request, 'nwfilter.html', locals())