diff options
Diffstat (limited to 'os_net_config/objects.py')
| -rw-r--r-- | os_net_config/objects.py | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/os_net_config/objects.py b/os_net_config/objects.py index 5137263..4a15d05 100644 --- a/os_net_config/objects.py +++ b/os_net_config/objects.py @@ -50,6 +50,10 @@ def object_from_json(json): return IvsBridge.from_json(json) elif obj_type == "ivs_interface": return IvsInterface.from_json(json) + elif obj_type == "nfvswitch_bridge": + return NfvswitchBridge.from_json(json) + elif obj_type == "nfvswitch_internal": + return NfvswitchInternal.from_json(json) elif obj_type == "ovs_tunnel": return OvsTunnel.from_json(json) elif obj_type == "ovs_patch_port": @@ -181,6 +185,7 @@ class _BaseOpts(object): self.bridge_name = None # internal self.linux_bridge_name = None # internal self.ivs_bridge_name = None # internal + self.nfvswitch_bridge_name = None # internal self.linux_bond_name = None # internal self.linux_team_name = None # internal self.ovs_port = False # internal @@ -333,6 +338,32 @@ class IvsInterface(_BaseOpts): return IvsInterface(vlan_id, name, *opts) +class NfvswitchInternal(_BaseOpts): + """Base class for nfvswitch internal interfaces.""" + + def __init__(self, vlan_id, name='nfvswitch', use_dhcp=False, + use_dhcpv6=False, addresses=None, routes=None, mtu=1500, + primary=False, nic_mapping=None, persist_mapping=False, + defroute=True, dhclient_args=None, dns_servers=None): + addresses = addresses or [] + routes = routes or [] + dns_servers = dns_servers or [] + name_vlan = '%s%i' % (name, vlan_id) + super(NfvswitchInternal, self).__init__(name_vlan, use_dhcp, + use_dhcpv6, addresses, routes, + mtu, primary, nic_mapping, + persist_mapping, defroute, + dhclient_args, dns_servers) + self.vlan_id = int(vlan_id) + + @staticmethod + def from_json(json): + name = json.get('name') + vlan_id = _get_required_field(json, 'vlan_id', 'NfvswitchInternal') + opts = _BaseOpts.base_opts_from_json(json) + return NfvswitchInternal(vlan_id, name, *opts) + + class OvsBridge(_BaseOpts): """Base class for OVS bridges.""" @@ -510,6 +541,76 @@ class IvsBridge(_BaseOpts): dns_servers=dns_servers) +class NfvswitchBridge(_BaseOpts): + """Base class for NFVSwitch bridges. + + NFVSwitch is a virtual switch for Linux. + It is compatible with the KVM hypervisor and uses DPDK for packet + forwarding. + """ + + def __init__(self, name='nfvswitch', use_dhcp=False, use_dhcpv6=False, + addresses=None, routes=None, mtu=1500, members=None, + nic_mapping=None, persist_mapping=False, defroute=True, + dhclient_args=None, dns_servers=None, cpus=""): + addresses = addresses or [] + routes = routes or [] + members = members or [] + dns_servers = dns_servers or [] + super(NfvswitchBridge, self).__init__(name, use_dhcp, use_dhcpv6, + addresses, routes, mtu, False, + nic_mapping, persist_mapping, + defroute, dhclient_args, + dns_servers) + self.cpus = cpus + self.members = members + for member in self.members: + if isinstance(member, OvsBond) or isinstance(member, LinuxBond): + msg = 'NFVSwitch does not support bond interfaces.' + raise InvalidConfigException(msg) + member.nfvswitch_bridge_name = name + member.ovs_port = False + self.primary_interface_name = None + + @staticmethod + def from_json(json): + name = 'nfvswitch' + (use_dhcp, use_dhcpv6, addresses, routes, mtu, nic_mapping, + persist_mapping, defroute, dhclient_args, + dns_servers) = _BaseOpts.base_opts_from_json( + json, include_primary=False) + + # members + members = [] + members_json = json.get('members') + if members_json: + if isinstance(members_json, list): + for member in members_json: + members.append(object_from_json(member)) + else: + msg = 'Members must be a list.' + raise InvalidConfigException(msg) + + cpus = '' + cpus_json = json.get('cpus') + if cpus_json: + if isinstance(cpus_json, basestring): + cpus = cpus_json + else: + msg = '"cpus" must be a string of numbers separated by commas.' + raise InvalidConfigException(msg) + else: + msg = 'Config "cpus" is mandatory.' + raise InvalidConfigException(msg) + + return NfvswitchBridge(name, use_dhcp=use_dhcp, use_dhcpv6=use_dhcpv6, + addresses=addresses, routes=routes, mtu=mtu, + members=members, nic_mapping=nic_mapping, + persist_mapping=persist_mapping, + defroute=defroute, dhclient_args=dhclient_args, + dns_servers=dns_servers, cpus=cpus) + + class LinuxTeam(_BaseOpts): """Base class for Linux bonds using teamd.""" |