def create_network():
"""
Create a network
"""
net_ip_addr = params.get("net_ip_addr", "192.168.200.1")
net_ip_netmask = params.get("net_ip_netmask", "255.255.255.0")
net_dhcp_start = params.get("net_dhcp_start", "192.168.200.2")
net_dhcp_end = params.get("net_dhcp_end", "192.168.200.254")
netxml = network_xml.NetworkXML()
netxml.name = net_name
netxml.forward = {'mode': "nat"}
range = network_xml.RangeXML()
range.attrs = {'start': net_dhcp_start, "end": net_dhcp_end}
ipxml = network_xml.IPXML()
if range_lease:
range.lease_attrs = range_lease
ipxml.address = net_ip_addr
ipxml.netmask = net_ip_netmask
ipxml.dhcp_ranges = range
if host:
new_host = network_xml.DhcpHostXML()
new_host.attrs = host
new_host.lease_attrs = host_lease
ipxml.hosts = [new_host]
netxml.set_ip(ipxml)
netxml.create()
def _from_scratch(self):
netxml = network_xml.NetworkXML(network_name='test0',
virsh_instance=self.dummy_virsh)
self.assertEqual(netxml.name, 'test0')
netxml.name = 'test1'
netxml.uuid = 'test2'
netxml.bridge = {'test3': 'test4'}
ipxml = network_xml.IPXML()
ipxml.address = ('address_test')
ipxml.netmask = ('netmask_test')
netxml.ip = ipxml
return netxml
def set_ip_section(testnet_xml, addr, ipv6=False, **dargs):
ipxml = network_xml.IPXML(ipv6=ipv6)
ipxml.address = addr
if "netmask" in dargs:
ipxml.netmask = dargs["netmask"]
elif "prefix_v6" in dargs:
ipxml.prefix = dargs["prefix_v6"]
ipxml.family = "ipv6"
if "dhcp_ranges_start" in dargs and dargs["dhcp_ranges_start"] is not None:
dhcp_ranges_start = dargs["dhcp_ranges_start"]
dhcp_ranges_end = dargs["dhcp_ranges_end"]
ipxml.dhcp_ranges = {"start": dhcp_ranges_start, "end": dhcp_ranges_end}
testnet_xml.set_ip(ipxml)
def create_network():
"""
Create a network
"""
net_ip_addr = params.get("net_ip_addr", "192.168.200.1")
net_ip_netmask = params.get("net_ip_netmask", "255.255.255.0")
net_dhcp_start = params.get("net_dhcp_start", "192.168.200.2")
net_dhcp_end = params.get("net_dhcp_end", "192.168.200.254")
netxml = network_xml.NetworkXML()
netxml.name = net_name
netxml.forward = {'mode': "nat"}
ipxml = network_xml.IPXML()
ipxml.address = net_ip_addr
ipxml.netmask = net_ip_netmask
ipxml.dhcp_ranges = {'start': net_dhcp_start, "end": net_dhcp_end}
netxml.set_ip(ipxml)
netxml.create()
def run(test, params, env):
"""
Test command: virsh net-define/net-undefine.
1) Collect parameters&environment info before test
2) Prepare options for command
3) Execute command for test
4) Check state of defined network
5) Recover environment
6) Check result
"""
uri = libvirt_vm.normalize_connect_uri(params.get("connect_uri",
"default"))
net_name = params.get("net_define_undefine_net_name", "default")
net_uuid = params.get("net_define_undefine_net_uuid", "")
options_ref = params.get("net_define_undefine_options_ref", "default")
trans_ref = params.get("net_define_undefine_trans_ref", "trans")
extra_args = params.get("net_define_undefine_extra", "")
remove_existing = params.get("net_define_undefine_remove_existing", "yes")
status_error = "yes" == params.get("status_error", "no")
check_states = "yes" == params.get("check_states", "no")
net_persistent = "yes" == params.get("net_persistent")
net_active = "yes" == params.get("net_active")
expect_msg = params.get("net_define_undefine_err_msg")
# define multi ip/dhcp sections in network
multi_ip = "yes" == params.get("multi_ip", "no")
netmask = params.get("netmask")
prefix_v6 = params.get("prefix_v6")
single_v6_range = "yes" == params.get("single_v6_range", "no")
# Get 2nd ipv4 dhcp range
dhcp_ranges_start = params.get("dhcp_ranges_start", None)
dhcp_ranges_end = params.get("dhcp_ranges_end", None)
# Get 2 groups of ipv6 ip address and dhcp section
address_v6_1 = params.get("address_v6_1")
dhcp_ranges_v6_start_1 = params.get("dhcp_ranges_v6_start_1", None)
dhcp_ranges_v6_end_1 = params.get("dhcp_ranges_v6_end_1", None)
address_v6_2 = params.get("address_v6_2")
dhcp_ranges_v6_start_2 = params.get("dhcp_ranges_v6_start_2", None)
dhcp_ranges_v6_end_2 = params.get("dhcp_ranges_v6_end_2", None)
# Edit net xml forward/ip part then define/start to check invalid setting
edit_xml = "yes" == params.get("edit_xml", "no")
address_v4 = params.get("address_v4")
nat_port_start = params.get("nat_port_start")
nat_port_end = params.get("nat_port_end")
test_port = "yes" == params.get("test_port", "no")
loop = int(params.get("loop", 1))
# Get params about creating a bridge
bridge = params.get('bridge', None)
create_bridge = "yes" == params.get('create_bridge', 'no')
ovs_bridge = "yes" == params.get('ovs_bridge', 'no')
iface_name = utils_net.get_net_if(state="UP")[0]
# Get params about creating a network
create_netxml = "yes" == params.get("create_netxml", "no")
domain = params.get('domain', None)
forward = params.get("forward", None)
net_dns_txt = params.get("net_dns_txt", None)
net_bandwidth_inbound = params.get("net_bandwidth_inbound", None)
net_bandwidth_outbound = params.get("net_bandwidth_outbound", None)
mac = params.get("mac")
# Edit the created network xml to get the xml to be tested
del_mac = "yes" == params.get('del_mac', 'no')
del_ip = "yes" == params.get('del_ip', 'no')
add_dev = "yes" == params.get('add_dev', 'no')
virtualport = 'yes' == params.get("virtualport", "no")
virtualport_type = params.get("virtualport_type")
virsh_dargs = {'uri': uri, 'debug': False, 'ignore_status': True}
virsh_instance = virsh.VirshPersistent(**virsh_dargs)
# libvirt acl polkit related params
if not libvirt_version.version_compare(1, 1, 1):
if params.get('setup_libvirt_polkit') == 'yes':
test.cancel("API acl test not supported in current"
" libvirt version.")
virsh_uri = params.get("virsh_uri")
if virsh_uri and not utils_split_daemons.is_modular_daemon():
virsh_uri = "qemu:///system"
unprivileged_user = params.get('unprivileged_user')
if unprivileged_user:
if unprivileged_user.count('EXAMPLE'):
unprivileged_user = '******'
# Prepare environment and record current net_state_dict
backup = network_xml.NetworkXML.new_all_networks_dict(virsh_instance)
backup_state = virsh_instance.net_state_dict()
logging.debug("Backed up network(s): %s", backup_state)
# Make some XML to use for testing, for now we just copy 'default'
test_xml = xml_utils.TempXMLFile() # temporary file
try:
# LibvirtXMLBase.__str__ returns XML content
test_xml.write(str(backup['default']))
test_xml.flush()
except (KeyError, AttributeError):
test.cancel("Test requires default network to exist")
testnet_xml = get_network_xml_instance(virsh_dargs,
test_xml,
net_name,
net_uuid,
bridge=None)
logging.debug("Get network xml as testnet_xml: %s" % testnet_xml)
if remove_existing:
for netxml in list(backup.values()):
netxml.orbital_nuclear_strike()
# Test both define and undefine, So collect info
# both of them for result check.
# When something wrong with network, set it to 1
fail_flag = 0
result_info = []
if options_ref == "correct_arg":
define_options = testnet_xml.xml
undefine_options = net_name
elif options_ref == "no_option":
define_options = ""
undefine_options = ""
elif options_ref == "not_exist_option":
define_options = "/not/exist/file"
undefine_options = "NOT_EXIST_NETWORK"
define_extra = undefine_extra = extra_args
if trans_ref != "define":
define_extra = ""
if params.get('setup_libvirt_polkit') == 'yes':
virsh_dargs = {
'uri': virsh_uri,
'unprivileged_user': unprivileged_user,
'debug': False,
'ignore_status': True
}
cmd = "chmod 666 %s" % testnet_xml.xml
process.run(cmd, shell=True)
if params.get('net_define_undefine_readonly', 'no') == 'yes':
virsh_dargs = {
'uri': uri,
'debug': False,
'ignore_status': True,
'readonly': True
}
try:
if edit_xml:
ipxml_v4 = network_xml.IPXML()
ipxml_v4.address = address_v4
ipxml_v4.netmask = netmask
range_4 = network_xml.RangeXML()
range_4.attrs = {
"start": dhcp_ranges_start,
"end": dhcp_ranges_end
}
ipxml_v4.dhcp_ranges = range_4
testnet_xml.del_ip()
testnet_xml.set_ip(ipxml_v4)
if test_port:
nat_port = {"start": nat_port_start, "end": nat_port_end}
testnet_xml.nat_port = nat_port
testnet_xml.debug_xml()
if multi_ip:
# Enabling IPv6 forwarding with RA routes without accept_ra set to 2
# is likely to cause routes loss
sysctl_cmd = 'sysctl net.ipv6.conf.all.accept_ra'
original_accept_ra = process.run(sysctl_cmd + ' -n').stdout_text
if original_accept_ra != '2':
process.system(sysctl_cmd + '=2')
# add another ipv4 address and dhcp range
set_ip_section(testnet_xml,
address_v4,
ipv6=False,
netmask=netmask,
dhcp_ranges_start=dhcp_ranges_start,
dhcp_ranges_end=dhcp_ranges_end)
# add ipv6 address and dhcp range
set_ip_section(testnet_xml,
address_v6_1,
ipv6=True,
prefix_v6=prefix_v6,
dhcp_ranges_start=dhcp_ranges_v6_start_1,
dhcp_ranges_end=dhcp_ranges_v6_end_1)
# 2nd ipv6 address and dhcp range
set_ip_section(testnet_xml,
address_v6_2,
ipv6=True,
prefix_v6=prefix_v6,
dhcp_ranges_start=dhcp_ranges_v6_start_2,
dhcp_ranges_end=dhcp_ranges_v6_end_2)
if create_netxml:
net_dict = {
'del_nat_attrs': True,
'del_ip': del_ip,
'dns_txt': net_dns_txt,
'domain': domain,
'bridge': bridge,
'forward': forward,
'interface_dev': iface_name,
'virtualport': virtualport,
'virtualport_type': virtualport_type,
'mac': mac,
'net_bandwidth_inbound': net_bandwidth_inbound,
'net_bandwidth_outbound': net_bandwidth_outbound
}
logging.debug("net_dict is %s" % net_dict)
testnet_xml = libvirt_network.modify_network_xml(
net_dict, testnet_xml)
testnet_xml.debug_xml()
if create_bridge:
if ovs_bridge:
utils_net.create_ovs_bridge(bridge, ignore_status=False)
else:
utils_net.create_linux_bridge_tmux(bridge,
iface_name,
ignore_status=False)
# Run test case
while loop:
try:
define_result = virsh.net_define(define_options, define_extra,
**virsh_dargs)
logging.debug(define_result)
define_status = define_result.exit_status
# Check network states after define
if check_states and not define_status:
net_state = virsh_instance.net_state_dict()
if (net_state[net_name]['active']
or net_state[net_name]['autostart']
or not net_state[net_name]['persistent']):
fail_flag = 1
result_info.append("Found wrong network states for "
"defined network: %s" %
str(net_state))
if define_status == 1 and status_error and expect_msg:
logging.debug("check result is %s, expect_msg is %s" %
(define_result, expect_msg))
libvirt.check_result(define_result, expect_msg.split(';'))
# If defining network succeed, then trying to start it.
if define_status == 0:
start_result = virsh.net_start(net_name,
extra="",
**virsh_dargs)
logging.debug(start_result)
start_status = start_result.exit_status
if trans_ref == "trans":
if define_status:
fail_flag = 1
result_info.append(
"Define network with right command failed.")
else:
if start_status:
fail_flag = 1
result_info.append(
"Found wrong network states for "
"defined network: %s" % str(net_state))
# Check network states after start
if check_states and not status_error:
net_state = virsh_instance.net_state_dict()
if (not net_state[net_name]['active']
or net_state[net_name]['autostart']
or not net_state[net_name]['persistent']):
fail_flag = 1
result_info.append("Found wrong network states for "
"started network: %s" %
str(net_state))
# Try to set autostart
virsh.net_autostart(net_name, **virsh_dargs)
net_state = virsh_instance.net_state_dict()
if not net_state[net_name]['autostart']:
fail_flag = 1
result_info.append(
"Failed to set autostart for network %s" %
net_name)
# Restart libvirtd and check state
# Close down persistent virsh session before libvirtd restart
if hasattr(virsh_instance, 'close_session'):
virsh_instance.close_session()
libvirtd = utils_libvirtd.Libvirtd()
libvirtd.restart()
# Need to redefine virsh_instance after libvirtd restart
virsh_instance = virsh.VirshPersistent(**virsh_dargs)
net_state = virsh_instance.net_state_dict()
if (not net_state[net_name]['active']
or not net_state[net_name]['autostart']):
fail_flag = 1
result_info.append(
"Found wrong network state after restarting"
" libvirtd: %s" % str(net_state))
logging.debug("undefine network:")
# prepare the network status
if not net_persistent:
virsh.net_undefine(net_name, ignore_status=False)
if not net_active:
virsh.net_destroy(net_name, ignore_status=False)
undefine_status = virsh.net_undefine(
undefine_options, undefine_extra,
**virsh_dargs).exit_status
net_state = virsh_instance.net_state_dict()
if net_persistent:
if undefine_status:
fail_flag = 1
result_info.append(
"undefine should succeed but failed")
if net_active:
if (not net_state[net_name]['active']
or net_state[net_name]['autostart']
or net_state[net_name]['persistent']):
fail_flag = 1
result_info.append(
"Found wrong network states for "
"undefined network: %s" % str(net_state))
else:
if net_name in net_state:
fail_flag = 1
result_info.append(
"Transient network should not exists "
"after undefine : %s" % str(net_state))
else:
if not undefine_status:
fail_flag = 1
result_info.append(
"undefine transient network should fail "
"but succeed: %s" % str(net_state))
# Stop network for undefine test anyway
destroy_result = virsh.net_destroy(net_name,
extra="",
**virsh_dargs)
logging.debug(destroy_result)
# Undefine network
if not check_states:
undefine_result = virsh.net_undefine(
undefine_options, undefine_extra, **virsh_dargs)
if trans_ref != "define":
logging.debug(undefine_result)
undefine_status = undefine_result.exit_status
except Exception:
logging.debug(
"The define and undefine operation in loop %s failed. ",
loop)
finally:
loop = loop - 1
finally:
# Recover environment
leftovers = network_xml.NetworkXML.new_all_networks_dict(
virsh_instance)
for netxml in list(leftovers.values()):
netxml.orbital_nuclear_strike()
# Recover from backup
for netxml in list(backup.values()):
netxml.sync(backup_state[netxml.name])
# Close down persistent virsh session (including for all netxml copies)
if hasattr(virsh_instance, 'close_session'):
virsh_instance.close_session()
# Done with file, cleanup
del test_xml
del testnet_xml
if create_bridge:
if ovs_bridge:
utils_net.delete_ovs_bridge(bridge, ignore_status=False)
else:
utils_net.delete_linux_bridge_tmux(bridge,
iface_name,
ignore_status=False)
# Check status_error
# If fail_flag is set, it must be transaction test.
if fail_flag:
test.fail("Define network for transaction test "
"failed:%s" % result_info)
# The logic to check result:
# status_error&only undefine:it is negative undefine test only
# status_error&(no undefine):it is negative define test only
# (not status_error)&(only undefine):it is positive transaction test.
# (not status_error)&(no undefine):it is positive define test only
if status_error:
if trans_ref == "undefine":
if undefine_status == 0:
test.fail("Run successfully with wrong command.")
else:
if define_status == 0:
if start_status == 0:
test.fail("Define an unexpected network, "
"and start it successfully.")
else:
test.fail("Define an unexpected network, "
"but start it failed.")
else:
if trans_ref == "undefine":
if undefine_status:
test.fail("Define network for transaction "
"successfully, but undefine failed.")
else:
if define_status != 0:
test.fail("Run failed with right command")
else:
if start_status != 0:
test.fail("Network is defined as expected, "
"but start it failed.")
