def _get(vdsmnets=None):
"""
Generate a networking report for all devices.
In case vdsmnets is provided, it is used in the report instead of
retrieving data from the running config.
:return: Dict of networking devices with all their details.
"""
ipaddrs = getIpAddrs()
routes = get_routes()
devices_info = _devices_report(ipaddrs, routes)
nets_info = _networks_report(vdsmnets, routes, ipaddrs, devices_info)
add_qos_info_to_devices(nets_info, devices_info)
flat_devs_info = _get_flat_devs_info(devices_info)
devices = _get_dev_names(nets_info, flat_devs_info)
extra_info = {}
if nmstate.is_nmstate_backend():
extra_info.update(_get_devices_info_from_nmstate(devices))
else:
extra_info.update(dhclient.dhcp_info(devices))
_update_caps_info(nets_info, flat_devs_info, extra_info)
networking_report = {'networks': nets_info}
networking_report.update(devices_info)
if nmstate.is_nmstate_backend():
networking_report['nameservers'] = nmstate.show_nameservers()
else:
networking_report['nameservers'] = dns.get_host_nameservers()
networking_report['supportsIPv6'] = ipv6_supported()
return networking_report
def _devices_report(ipaddrs, routes):
devs_report = {'bondings': {}, 'bridges': {}, 'nics': {}, 'vlans': {}}
devinfo_by_devname = {}
for dev in (link for link in getLinks() if not link.isHidden()):
if dev.isBRIDGE():
devinfo = devs_report['bridges'][dev.name] = bridges.info(dev)
elif dev.isNICLike():
if dev.isDPDK():
devinfo = devs_report['nics'][dev.name] = dpdk.info(dev)
else:
devinfo = devs_report['nics'][dev.name] = nics.info(dev)
devinfo.update(bonding.get_bond_slave_agg_info(dev.name))
elif dev.isBOND():
devinfo = devs_report['bondings'][dev.name] = bonding.info(dev)
devinfo.update(bonding.get_bond_agg_info(dev.name))
devinfo.update(LEGACY_SWITCH)
elif dev.isVLAN():
devinfo = devs_report['vlans'][dev.name] = vlans.info(dev)
else:
continue
devinfo.update(_devinfo(dev, routes, ipaddrs))
devinfo_by_devname[dev.name] = devinfo
dhcp_info = dhclient.dhcp_info(frozenset(devinfo_by_devname))
for devname, devinfo in devinfo_by_devname.items():
devinfo.update(dhcp_info[devname])
_permanent_hwaddr_info(devs_report)
return devs_report
def _devices_report(ipaddrs, routes, paddr):
devs_report = {"bondings": {}, "bridges": {}, "nics": {}, "vlans": {}}
devinfo_by_devname = {}
for dev in (link for link in getLinks() if not link.isHidden()):
if dev.isBRIDGE():
devinfo = devs_report["bridges"][dev.name] = bridges.info(dev)
elif dev.isNICLike():
devinfo = devs_report["nics"][dev.name] = nics.info(dev, paddr)
devinfo.update(bonding.get_bond_slave_agg_info(dev.name))
elif dev.isBOND():
devinfo = devs_report["bondings"][dev.name] = bonding.info(dev)
devinfo.update(bonding.get_bond_agg_info(dev.name))
devinfo.update(LEGACY_SWITCH)
elif dev.isVLAN():
devinfo = devs_report["vlans"][dev.name] = vlans.info(dev)
else:
continue
devinfo.update(_devinfo(dev, routes, ipaddrs))
devinfo_by_devname[dev.name] = devinfo
dhcp_info = dhclient.dhcp_info(frozenset(devinfo_by_devname))
for devname, devinfo in devinfo_by_devname.items():
devinfo.update(dhcp_info[devname])
return devs_report
def _devices_report(ipaddrs, routes):
devs_report = {'bondings': {}, 'bridges': {}, 'nics': {}, 'vlans': {}}
devinfo_by_devname = {}
for dev in (link for link in getLinks() if not link.isHidden()):
if dev.isBRIDGE():
devinfo = devs_report['bridges'][dev.name] = bridges.info(dev)
elif dev.isNICLike():
if dev.isDPDK():
devinfo = devs_report['nics'][dev.name] = dpdk.info(dev)
else:
devinfo = devs_report['nics'][dev.name] = nics.info(dev)
devinfo.update(bonding.get_bond_slave_agg_info(dev.name))
elif dev.isBOND():
devinfo = devs_report['bondings'][dev.name] = bonding.info(dev)
devinfo.update(bonding.get_bond_agg_info(dev.name))
devinfo.update(LEGACY_SWITCH)
elif dev.isVLAN():
devinfo = devs_report['vlans'][dev.name] = vlans.info(dev)
else:
continue
devinfo.update(_devinfo(dev, routes, ipaddrs))
devinfo_by_devname[dev.name] = devinfo
dhcp_info = dhclient.dhcp_info(frozenset(devinfo_by_devname))
for devname, devinfo in devinfo_by_devname.items():
devinfo.update(dhcp_info[devname])
_permanent_hwaddr_info(devs_report)
return devs_report
def test_daemon_cmdline_with_last_arg_as_hostname(self):
"""
In most cases, the dhclient is executed with a cmdline that locates
the device name at the last argument. However, an exception has been
detected with DHCPv6 from ifcfg initscripts, in which the last argument
is the host name and the device name is placed just before it.
"""
dhcp_info = dhclient.dhcp_info(devices=(DEVNAME, ))
expected = {DEVNAME: {dhclient.DHCP4: False, dhclient.DHCP6: True}}
assert expected == dhcp_info
def test_daemon_cmdline_with_last_arg_as_hostname(self):
"""
In most cases, the dhclient is executed with a cmdline that locates
the device name at the last argument. However, an exception has been
detected with DHCPv6 from ifcfg initscripts, in which the last argument
is the host name and the device name is placed just before it.
"""
dhcp_info = dhclient.dhcp_info(devices=(DEVNAME,))
expected = {DEVNAME: {dhclient.DHCP4: False, dhclient.DHCP6: True}}
self.assertEqual(expected, dhcp_info)
def _update_dhcp_info(nets_info, devices_info):
"""Update DHCP info for both networks and devices"""
net_ifaces = {net_info['iface'] for net_info in six.viewvalues(nets_info)}
flat_devs_info = {
devname: devinfo
for sub_devs in six.viewvalues(devices_info)
for devname, devinfo in six.viewitems(sub_devs)
}
dhcp_info = dhclient.dhcp_info(net_ifaces | frozenset(flat_devs_info))
for net_info in six.viewvalues(nets_info):
net_info.update(dhcp_info[net_info['iface']])
for devname, devinfo in six.viewitems(flat_devs_info):
devinfo.update(dhcp_info[devname])
def _update_dhcp_info(nets_info, devices_info):
"""Update DHCP info for both networks and devices"""
net_ifaces = {net_info['iface'] for net_info in six.viewvalues(nets_info)}
flat_devs_info = {
devname: devinfo
for sub_devs in six.viewvalues(devices_info)
for devname, devinfo in six.viewitems(sub_devs)
}
dhcp_info = dhclient.dhcp_info(net_ifaces | frozenset(flat_devs_info))
for net_info in six.viewvalues(nets_info):
net_info.update(dhcp_info[net_info['iface']])
for devname, devinfo in six.viewitems(flat_devs_info):
devinfo.update(dhcp_info[devname])
def _networks_report(vdsmnets, routes, ipaddrs, devices_info):
if vdsmnets is None:
nets_info = libvirtNets2vdsm(libvirt.networks(), routes, ipaddrs)
else:
nets_info = vdsmnets
ifaces = {net_info["iface"] for net_info in six.itervalues(nets_info)}
dhcp_info = dhclient.dhcp_info(ifaces)
for network_info in six.itervalues(nets_info):
network_info.update(dhcp_info[network_info["iface"]])
network_info.update(LEGACY_SWITCH)
report_network_qos(nets_info, devices_info)
return nets_info
def _networks_report(vdsmnets, routes, ipaddrs, devices_info):
if vdsmnets is None:
running_nets = RunningConfig().networks
nets_info = networks_base_info(running_nets, routes, ipaddrs)
else:
nets_info = vdsmnets
ifaces = {net_info['iface'] for net_info in six.itervalues(nets_info)}
dhcp_info = dhclient.dhcp_info(ifaces)
for network_info in six.itervalues(nets_info):
network_info.update(dhcp_info[network_info['iface']])
network_info.update(LEGACY_SWITCH)
report_network_qos(nets_info, devices_info)
return nets_info
def _networks_report(vdsmnets, routes, ipaddrs, devices_info):
if vdsmnets is None:
running_nets = RunningConfig().networks
nets_info = networks_base_info(running_nets, routes, ipaddrs)
else:
nets_info = vdsmnets
ifaces = {net_info['iface'] for net_info in six.itervalues(nets_info)}
dhcp_info = dhclient.dhcp_info(ifaces)
for network_info in six.itervalues(nets_info):
network_info.update(dhcp_info[network_info['iface']])
network_info.update(LEGACY_SWITCH)
report_network_qos(nets_info, devices_info)
return nets_info