def ipv4_net():
import virtinst.util as util
from polls.IPy import IP
ipv4 = []
xml_forward = net.XMLDesc(0)
fw = util.get_xml_path(xml_forward, "/network/forward/@mode")
forwardDev = util.get_xml_path(xml_forward, "/network/forward/@dev")
ipv4.append([fw, forwardDev])
xml_net = net.XMLDesc(0)
addrStr = util.get_xml_path(xml_net, "/network/ip/@address")
netmaskStr = util.get_xml_path(xml_net, "/network/ip/@netmask")
netmask = IP(netmaskStr)
gateway = IP(addrStr)
network = IP(gateway.int() & netmask.int())
ipv4.append(IP(str(network) + "/" + netmaskStr))
xml_dhcp = net.XMLDesc(0)
dhcpstart = util.get_xml_path(xml_dhcp, "/network/ip/dhcp/range[1]/@start")
dhcpend = util.get_xml_path(xml_dhcp, "/network/ip/dhcp/range[1]/@end")
if not dhcpstart or not dhcpend:
pass
else:
ipv4.append([IP(dhcpstart), IP(dhcpend)])
return ipv4
def network(request, host_id, pool):
"""
Networks block
"""
from libvirt import libvirtError
if not request.user.is_authenticated():
return HttpResponseRedirect('/login')
def all_networks():
virtnet = {}
for network in conn.listNetworks():
net = conn.networkLookupByName(network)
status = net.isActive()
virtnet[network] = status
for network in conn.listDefinedNetworks():
net = conn.networkLookupByName(network)
status = net.isActive()
virtnet[network] = status
return virtnet
def add_new_pool(name, forward, gw, netmask, dhcp):
xml = """
<network>
<name>%s</name>""" % (name)
if forward == "nat" or "route":
xml += """<forward mode='%s'/>""" % (forward)
xml += """<bridge stp='on' delay='0' />
<ip address='%s' netmask='%s'>""" % (gw, netmask)
if dhcp[0] == '1':
xml += """<dhcp>
<range start='%s' end='%s' />
</dhcp>""" % (dhcp[1], dhcp[2])
xml += """</ip>
</network>"""
conn.networkDefineXML(xml)
def net_info():
info = []
info.append(net.isActive())
info.append(net.bridgeName())
return info
def ipv4_net():
import virtinst.util as util
from polls.IPy import IP
ipv4 = []
xml_net = net.XMLDesc(0)
fw = util.get_xml_path(xml_net, "/network/forward/@mode")
forwardDev = util.get_xml_path(xml_net, "/network/forward/@dev")
if fw and forwardDev:
ipv4.append([fw, forwardDev])
else:
ipv4.append(None)
# Subnet block
addrStr = util.get_xml_path(xml_net, "/network/ip/@address")
netmaskStr = util.get_xml_path(xml_net, "/network/ip/@netmask")
if addrStr and netmaskStr:
netmask = IP(netmaskStr)
gateway = IP(addrStr)
network = IP(gateway.int() & netmask.int())
ipv4.append(IP(str(network) + "/" + netmaskStr))
else:
ipv4.append(None)
# DHCP block
dhcpstart = util.get_xml_path(xml_net, "/network/ip/dhcp/range[1]/@start")
dhcpend = util.get_xml_path(xml_net, "/network/ip/dhcp/range[1]/@end")
if not dhcpstart or not dhcpend:
pass
else:
ipv4.append([IP(dhcpstart), IP(dhcpend)])
return ipv4
host = Host.objects.get(id=host_id)
conn = libvirt_conn(host)
if type(conn) == dict:
return HttpResponseRedirect('/overview/%s/' % host_id)
else:
networks = all_networks()
if pool == None:
if len(networks) == 0:
return HttpResponseRedirect('/network/%s/add/' % (host_id))
else:
return HttpResponseRedirect('/network/%s/%s/' % (host_id, networks.keys()[0]))
if pool == 'add':
if request.method == 'POST':
if 'addpool' in request.POST:
dhcp = []
pool_name = request.POST.get('name', '')
net_addr = request.POST.get('net_addr', '')
forward = request.POST.get('forward', '')
dhcp.append(request.POST.get('dhcp', ''))
import re
errors = []
name_have_simbol = re.search('[^a-zA-Z0-9\_]+', pool_name)
ip_have_simbol = re.search('[^0-9\.\/]+', net_addr)
if not pool_name:
msg = 'No pool name has been entered'
errors.append(msg)
elif len(pool_name) > 12:
msg = 'The host name must not exceed 20 characters'
errors.append(msg)
else:
if name_have_simbol:
msg = 'The pool name must not contain any characters and Russian characters'
errors.append(msg)
if not net_addr:
msg = 'No subnet has been entered'
errors.append(msg)
elif ip_have_simbol:
msg = 'The pool name must not contain any characters'
errors.append(msg)
if pool_name in networks.keys():
msg = 'Pool name already use'
errors.append(msg)
try:
from polls.IPy import IP
netmask = IP(net_addr).strNetmask()
ipaddr = IP(net_addr)
gateway = ipaddr[0].strNormal()[-1]
if gateway == '0':
gw = ipaddr[1].strNormal()
dhcp_start = ipaddr[2].strNormal()
end = ipaddr.len() - 2
dhcp_end = ipaddr[end].strNormal()
else:
gw = ipaddr[0].strNormal()
dhcp_start = ipaddr[1].strNormal()
end = ipaddr.len() - 2
dhcp_end = ipaddr[end].strNormal()
dhcp.append(dhcp_start)
dhcp.append(dhcp_end)
except:
msg = 'Input subnet pool error'
errors.append(msg)
if not errors:
try:
add_new_pool(pool_name, forward, gw, netmask, dhcp)
net = conn.networkLookupByName(pool_name)
net.create()
net.setAutostart(1)
msg = 'Create network pool: %s' % pool_name
return HttpResponseRedirect('/network/%s/%s/' % (host_id, pool_name))
except libvirtError as error_msg:
errors.append(error_msg.message)
else:
all_vm = get_all_vm(conn)
net = conn.networkLookupByName(pool)
info = net_info()
if info[0] == True:
ipv4_net = ipv4_net()
if request.method == 'POST':
if 'start' in request.POST:
try:
net.create()
return HttpResponseRedirect('/network/%s/%s' % (host_id, pool))
except libvirtError as error_msg:
errors.append(error_msg.message)
if 'stop' in request.POST:
try:
net.destroy()
except libvirtError as error_msg:
errors.append(error_msg.message)
return HttpResponseRedirect('/network/%s/%s' % (host_id, pool))
if 'delete' in request.POST:
try:
net.undefine()
except libvirtError as error_msg:
errors.append(error_msg.message)
return HttpResponseRedirect('/network/%s/' % host_id)
conn.close()
return render_to_response('network.html', locals(), context_instance=RequestContext(request))
