class VppPapiProvider(object): """VPP-api provider using vpp-papi @property hook: hook object providing before and after api/cli hooks """ _zero, _negative = range(2) def __init__(self, name, test_class, read_timeout): self.hook = Hook(test_class) self.name = name self.test_class = test_class self._expect_api_retval = self._zero self._expect_stack = [] # install_dir is a class attribute. We need to set it before # calling the constructor. VPPApiClient.apidir = os.getenv('VPP_INSTALL_PATH') self.vpp = VPPApiClient(logger=test_class.logger, read_timeout=read_timeout, use_socket=True, server_address=test_class.get_api_sock_path()) self._events = queue.Queue() def __enter__(self): return self def assert_negative_api_retval(self): """ Expect API failure - used with with, e.g.: with self.vapi.assert_negative_api_retval(): self.vapi.<api call expected to fail> """ self._expect_stack.append(self._expect_api_retval) self._expect_api_retval = self._negative return self def assert_zero_api_retval(self): """ Expect API success - used with with, e.g.: with self.vapi.assert_negative_api_retval(): self.vapi.<api call expected to succeed> note: this is useful only inside another with block as success is the default expected value """ self._expect_stack.append(self._expect_api_retval) self._expect_api_retval = self._zero return self def __exit__(self, exc_type, exc_value, traceback): self._expect_api_retval = self._expect_stack.pop() def register_hook(self, hook): """Replace hook registration with new hook :param hook: """ self.hook = hook def collect_events(self): """ Collect all events from the internal queue and clear the queue. """ result = [] while True: try: e = self._events.get(block=False) result.append(e) except queue.Empty: return result return result def wait_for_event(self, timeout, name=None): """ Wait for and return next event. """ if name: self.test_class.logger.debug("Expecting event '%s' within %ss", name, timeout) else: self.test_class.logger.debug("Expecting event within %ss", timeout) try: e = self._events.get(timeout=timeout) except queue.Empty: raise Exception("Event did not occur within timeout") msgname = type(e).__name__ if name and msgname != name: raise Exception("Unexpected event received: %s, expected: %s" % msgname) self.test_class.logger.debug("Returning event %s:%s" % (name, e)) return e def __call__(self, name, event): """ Enqueue event in the internal event queue. """ self.test_class.logger.debug("New event: %s: %s" % (name, event)) self._events.put(event) def factory(self, name, apifn): def f(*a, **ka): fields = apifn._func.msg.fields # add positional and kw arguments d = ka for i, o in enumerate(fields[3:]): try: d[o] = a[i] except BaseException: break # Default override if name in defaultmapping: for k, v in iteritems(defaultmapping[name]): if k in d: continue d[k] = v return self.api(apifn, d) return f def __getattribute__(self, name): try: method = super(VppPapiProvider, self).__getattribute__(name) except AttributeError: method = self.factory(name, getattr(self.papi, name)) # lazily load the method so we don't need to call factory # again for this name. setattr(self, name, method) return method def connect(self): """Connect the API to VPP""" # This might be called before VPP is prepared to listen to the socket retries = 0 while not os.path.exists(self.test_class.get_api_sock_path()): time.sleep(0.5) retries += 1 if retries > 120: break self.vpp.connect(self.name[:63]) self.papi = self.vpp.api self.vpp.register_event_callback(self) def disconnect(self): """Disconnect the API from VPP""" self.vpp.disconnect() def api(self, api_fn, api_args, expected_retval=0): """ Call API function and check it's return value. Call the appropriate hooks before and after the API call :param api_fn: API function to call :param api_args: tuple of API function arguments :param expected_retval: Expected return value (Default value = 0) :returns: reply from the API """ self.hook.before_api(api_fn.__name__, api_args) reply = api_fn(**api_args) if self._expect_api_retval == self._negative: if hasattr(reply, 'retval') and reply.retval >= 0: msg = "%s(%s) passed unexpectedly: expected negative " \ "return value instead of %d in %s" % \ (api_fn.__name__, as_fn_signature(api_args), reply.retval, moves.reprlib.repr(reply)) self.test_class.logger.info(msg) raise UnexpectedApiReturnValueError(msg) elif self._expect_api_retval == self._zero: if hasattr(reply, 'retval') and reply.retval != expected_retval: msg = "%s(%s) failed, expected %d return value instead " \ "of %d in %s" % (api_fn.__name__, as_fn_signature(api_args), expected_retval, reply.retval, repr(reply)) self.test_class.logger.info(msg) raise UnexpectedApiReturnValueError(msg) else: raise Exception("Internal error, unexpected value for " "self._expect_api_retval %s" % self._expect_api_retval) self.hook.after_api(api_fn.__name__, api_args) return reply def cli_return_response(self, cli): """ Execute a CLI, calling the before/after hooks appropriately. Return the reply without examining it :param cli: CLI to execute :returns: response object """ self.hook.before_cli(cli) cli += '\n' r = self.papi.cli_inband(cmd=cli) self.hook.after_cli(cli) return r def cli(self, cli): """ Execute a CLI, calling the before/after hooks appropriately. :param cli: CLI to execute :returns: CLI output """ r = self.cli_return_response(cli) if r.retval == -156: raise CliSyntaxError(r.reply) if r.retval != 0: raise CliFailedCommandError(r.reply) if hasattr(r, 'reply'): return r.reply def ppcli(self, cli): """ Helper method to print CLI command in case of info logging level. :param cli: CLI to execute :returns: CLI output """ return cli + "\n" + self.cli(cli) def ip6nd_send_router_solicitation(self, sw_if_index, irt=1, mrt=120, mrc=0, mrd=0): return self.api( self.papi.ip6nd_send_router_solicitation, { 'irt': irt, 'mrt': mrt, 'mrc': mrc, 'mrd': mrd, 'sw_if_index': sw_if_index }) def want_interface_events(self, enable_disable=1): return self.api(self.papi.want_interface_events, { 'enable_disable': enable_disable, 'pid': os.getpid(), }) def sw_interface_set_mac_address(self, sw_if_index, mac): return self.api(self.papi.sw_interface_set_mac_address, { 'sw_if_index': sw_if_index, 'mac_address': mac }) def p2p_ethernet_add(self, sw_if_index, remote_mac, subif_id): """Create p2p ethernet subinterface :param sw_if_index: main (parent) interface :param remote_mac: client (remote) mac address """ return self.api( self.papi.p2p_ethernet_add, { 'parent_if_index': sw_if_index, 'remote_mac': remote_mac, 'subif_id': subif_id }) def p2p_ethernet_del(self, sw_if_index, remote_mac): """Delete p2p ethernet subinterface :param sw_if_index: main (parent) interface :param remote_mac: client (remote) mac address """ return self.api(self.papi.p2p_ethernet_del, { 'parent_if_index': sw_if_index, 'remote_mac': remote_mac }) def create_vlan_subif(self, sw_if_index, vlan): """ :param vlan: :param sw_if_index: """ return self.api(self.papi.create_vlan_subif, { 'sw_if_index': sw_if_index, 'vlan_id': vlan }) def create_loopback(self, mac=''): """ :param mac: (Optional) """ return self.api(self.papi.create_loopback, {'mac_address': mac}) def ip_route_dump(self, table_id, is_ip6=False): return self.api(self.papi.ip_route_dump, {'table': { 'table_id': table_id, 'is_ip6': is_ip6 }}) def ip_route_v2_dump(self, table_id, is_ip6=False, src=0): return self.api(self.papi.ip_route_v2_dump, { 'src': src, 'table': { 'table_id': table_id, 'is_ip6': is_ip6 } }) def ip_neighbor_add_del(self, sw_if_index, mac_address, ip_address, is_add=1, flags=0): """ Add neighbor MAC to IPv4 or IPv6 address. :param sw_if_index: :param mac_address: :param dst_address: :param is_add: (Default value = 1) :param flags: (Default value = 0/NONE) """ return self.api( self.papi.ip_neighbor_add_del, { 'is_add': is_add, 'neighbor': { 'sw_if_index': sw_if_index, 'flags': flags, 'mac_address': mac_address, 'ip_address': ip_address } }) def udp_encap_add(self, src_ip, dst_ip, src_port, dst_port, table_id=0): """ Add a GRE tunnel :param src_ip: :param dst_ip: :param src_port: :param dst_port: :param outer_fib_id: (Default value = 0) """ return self.api( self.papi.udp_encap_add, { 'udp_encap': { 'src_ip': src_ip, 'dst_ip': dst_ip, 'src_port': src_port, 'dst_port': dst_port, 'table_id': table_id } }) def udp_encap_del(self, id): return self.api(self.papi.udp_encap_del, {'id': id}) def udp_encap_dump(self): return self.api(self.papi.udp_encap_dump, {}) def want_udp_encap_stats(self, enable=1): return self.api(self.papi.want_udp_encap_stats, { 'enable': enable, 'pid': os.getpid() }) def mpls_route_dump(self, table_id): return self.api(self.papi.mpls_route_dump, {'table': { 'mt_table_id': table_id }}) def mpls_table_dump(self): return self.api(self.papi.mpls_table_dump, {}) def mpls_table_add_del(self, table_id, is_add=1): """ :param table_id :param is_add: (Default value = 1) """ return self.api(self.papi.mpls_table_add_del, { 'mt_table': { 'mt_table_id': table_id, }, 'mt_is_add': is_add }) def mpls_route_add_del(self, table_id, label, eos, eos_proto, is_multicast, paths, is_add, is_multipath): """ MPLS Route add/del """ return self.api( self.papi.mpls_route_add_del, { 'mr_route': { 'mr_table_id': table_id, 'mr_label': label, 'mr_eos': eos, 'mr_eos_proto': eos_proto, 'mr_is_multicast': is_multicast, 'mr_n_paths': len(paths), 'mr_paths': paths, }, 'mr_is_add': is_add, 'mr_is_multipath': is_multipath }) def mpls_ip_bind_unbind(self, label, prefix, table_id=0, ip_table_id=0, is_bind=1): """ """ return self.api( self.papi.mpls_ip_bind_unbind, { 'mb_mpls_table_id': table_id, 'mb_label': label, 'mb_ip_table_id': ip_table_id, 'mb_is_bind': is_bind, 'mb_prefix': prefix }) def mpls_tunnel_add_del(self, tun_sw_if_index, paths, is_add=1, l2_only=0, is_multicast=0): """ """ return self.api( self.papi.mpls_tunnel_add_del, { 'mt_is_add': is_add, 'mt_tunnel': { 'mt_sw_if_index': tun_sw_if_index, 'mt_l2_only': l2_only, 'mt_is_multicast': is_multicast, 'mt_n_paths': len(paths), 'mt_paths': paths, } }) def input_acl_set_interface(self, is_add, sw_if_index, ip4_table_index=0xFFFFFFFF, ip6_table_index=0xFFFFFFFF, l2_table_index=0xFFFFFFFF): """ :param is_add: :param sw_if_index: :param ip4_table_index: (Default value = 0xFFFFFFFF) :param ip6_table_index: (Default value = 0xFFFFFFFF) :param l2_table_index: (Default value = 0xFFFFFFFF) """ return self.api( self.papi.input_acl_set_interface, { 'sw_if_index': sw_if_index, 'ip4_table_index': ip4_table_index, 'ip6_table_index': ip6_table_index, 'l2_table_index': l2_table_index, 'is_add': is_add }) def output_acl_set_interface(self, is_add, sw_if_index, ip4_table_index=0xFFFFFFFF, ip6_table_index=0xFFFFFFFF, l2_table_index=0xFFFFFFFF): """ :param is_add: :param sw_if_index: :param ip4_table_index: (Default value = 0xFFFFFFFF) :param ip6_table_index: (Default value = 0xFFFFFFFF) :param l2_table_index: (Default value = 0xFFFFFFFF) """ return self.api( self.papi.output_acl_set_interface, { 'sw_if_index': sw_if_index, 'ip4_table_index': ip4_table_index, 'ip6_table_index': ip6_table_index, 'l2_table_index': l2_table_index, 'is_add': is_add }) def set_ipfix_exporter(self, collector_address, src_address, path_mtu, template_interval, vrf_id=0, collector_port=4739, udp_checksum=0): return self.api( self.papi.set_ipfix_exporter, { 'collector_address': collector_address, 'collector_port': collector_port, 'src_address': src_address, 'vrf_id': vrf_id, 'path_mtu': path_mtu, 'template_interval': template_interval, 'udp_checksum': udp_checksum, }) def mfib_signal_dump(self): return self.api(self.papi.mfib_signal_dump, {}) def ip_mroute_dump(self, table_id, is_ip6=False): return self.api(self.papi.ip_mroute_dump, {'table': { 'table_id': table_id, 'is_ip6': is_ip6 }}) def vxlan_gpe_add_del_tunnel(self, src_addr, dst_addr, mcast_sw_if_index=0xFFFFFFFF, is_add=1, is_ipv6=0, encap_vrf_id=0, decap_vrf_id=0, protocol=3, vni=0): """ :param local: :param remote: :param is_add: (Default value = 1) :param is_ipv6: (Default value = 0) :param encap_vrf_id: (Default value = 0) :param decap_vrf_id: (Default value = 0) :param mcast_sw_if_index: (Default value = 0xFFFFFFFF) :param protocol: (Default value = 3) :param vni: (Default value = 0) """ return self.api( self.papi.vxlan_gpe_add_del_tunnel, { 'is_add': is_add, 'is_ipv6': is_ipv6, 'local': src_addr, 'remote': dst_addr, 'mcast_sw_if_index': mcast_sw_if_index, 'encap_vrf_id': encap_vrf_id, 'decap_vrf_id': decap_vrf_id, 'protocol': protocol, 'vni': vni }) def vxlan_gbp_tunnel_dump(self, sw_if_index=0xffffffff): return self.api(self.papi.vxlan_gbp_tunnel_dump, {'sw_if_index': sw_if_index}) def pppoe_add_del_session(self, client_ip, client_mac, session_id=0, is_add=1, decap_vrf_id=0): """ :param is_add: (Default value = 1) :param is_ipv6: (Default value = 0) :param client_ip: :param session_id: (Default value = 0) :param client_mac: :param decap_vrf_id: (Default value = 0) """ return self.api( self.papi.pppoe_add_del_session, { 'is_add': is_add, 'session_id': session_id, 'client_ip': client_ip, 'decap_vrf_id': decap_vrf_id, 'client_mac': client_mac }) def sr_mpls_policy_add(self, bsid, weight, type, segments): return self.api( self.papi.sr_mpls_policy_add, { 'bsid': bsid, 'weight': weight, 'is_spray': type, 'n_segments': len(segments), 'segments': segments }) def sr_mpls_policy_del(self, bsid): return self.api(self.papi.sr_mpls_policy_del, {'bsid': bsid}) def bier_table_add_del(self, bti, mpls_label, is_add=1): """ BIER Table add/del """ return self.api( self.papi.bier_table_add_del, { 'bt_tbl_id': { "bt_set": bti.set_id, "bt_sub_domain": bti.sub_domain_id, "bt_hdr_len_id": bti.hdr_len_id }, 'bt_label': mpls_label, 'bt_is_add': is_add }) def bier_table_dump(self): return self.api(self.papi.bier_table_dump, {}) def bier_route_add_del(self, bti, bp, paths, is_add=1, is_replace=0): """ BIER Route add/del """ return self.api( self.papi.bier_route_add_del, { 'br_route': { 'br_tbl_id': { "bt_set": bti.set_id, "bt_sub_domain": bti.sub_domain_id, "bt_hdr_len_id": bti.hdr_len_id }, 'br_bp': bp, 'br_n_paths': len(paths), 'br_paths': paths, }, 'br_is_add': is_add, 'br_is_replace': is_replace }) def bier_route_dump(self, bti): return self.api( self.papi.bier_route_dump, { 'br_tbl_id': { "bt_set": bti.set_id, "bt_sub_domain": bti.sub_domain_id, "bt_hdr_len_id": bti.hdr_len_id } }) def bier_imp_add(self, bti, src, ibytes, is_add=1): """ BIER Imposition Add """ return self.api( self.papi.bier_imp_add, { 'bi_tbl_id': { "bt_set": bti.set_id, "bt_sub_domain": bti.sub_domain_id, "bt_hdr_len_id": bti.hdr_len_id }, 'bi_src': src, 'bi_n_bytes': len(ibytes), 'bi_bytes': ibytes }) def bier_imp_del(self, bi_index): """ BIER Imposition del """ return self.api(self.papi.bier_imp_del, {'bi_index': bi_index}) def bier_imp_dump(self): return self.api(self.papi.bier_imp_dump, {}) def bier_disp_table_add_del(self, bdti, is_add=1): """ BIER Disposition Table add/del """ return self.api(self.papi.bier_disp_table_add_del, { 'bdt_tbl_id': bdti, 'bdt_is_add': is_add }) def bier_disp_table_dump(self): return self.api(self.papi.bier_disp_table_dump, {}) def bier_disp_entry_add_del(self, bdti, bp, payload_proto, next_hop_afi, next_hop, next_hop_tbl_id=0, next_hop_rpf_id=~0, next_hop_is_ip4=1, is_add=1): """ BIER Route add/del """ lstack = [] while (len(lstack) < 16): lstack.append({}) return self.api( self.papi.bier_disp_entry_add_del, { 'bde_tbl_id': bdti, 'bde_bp': bp, 'bde_payload_proto': payload_proto, 'bde_n_paths': 1, 'bde_paths': [{ 'table_id': next_hop_tbl_id, 'rpf_id': next_hop_rpf_id, 'n_labels': 0, 'label_stack': lstack }], 'bde_is_add': is_add }) def bier_disp_entry_dump(self, bdti): return self.api(self.papi.bier_disp_entry_dump, {'bde_tbl_id': bdti}) def ipsec_spd_add_del(self, spd_id, is_add=1): """ SPD add/del - Wrapper to add or del ipsec SPD Sample CLI : 'ipsec spd add 1' :param spd_id - SPD ID to be created in the vpp . mandatory :param is_add - create (1) or delete(0) SPD (Default 1 - add) . optional :returns: reply from the API """ return self.api(self.papi.ipsec_spd_add_del, { 'spd_id': spd_id, 'is_add': is_add }) def ipsec_spds_dump(self): return self.api(self.papi.ipsec_spds_dump, {}) def ipsec_interface_add_del_spd(self, spd_id, sw_if_index, is_add=1): """ IPSEC interface SPD add/del - \ Wrapper to associate/disassociate SPD to interface in VPP Sample CLI : 'set interface ipsec spd GigabitEthernet0/6/0 1' :param spd_id - SPD ID to associate with the interface . mandatory :param sw_if_index - Interface Index which needs to ipsec \ association mandatory :param is_add - add(1) or del(0) association with interface \ (Default 1 - add) . optional :returns: reply from the API """ return self.api(self.papi.ipsec_interface_add_del_spd, { 'spd_id': spd_id, 'sw_if_index': sw_if_index, 'is_add': is_add }) def ipsec_spd_interface_dump(self, spd_index=None): return self.api( self.papi.ipsec_spd_interface_dump, { 'spd_index': spd_index if spd_index else 0, 'spd_index_valid': 1 if spd_index else 0 }) def ipsec_spd_entry_add_del(self, spd_id, sa_id, local_address_start, local_address_stop, remote_address_start, remote_address_stop, local_port_start=0, local_port_stop=65535, remote_port_start=0, remote_port_stop=65535, protocol=0, policy=0, priority=100, is_outbound=1, is_add=1, is_ipv6=0, is_ip_any=0): """ IPSEC policy SPD add/del - Wrapper to configure ipsec SPD policy entries in VPP :param spd_id: SPD ID for the policy :param local_address_start: local-ip-range start address :param local_address_stop : local-ip-range stop address :param remote_address_start: remote-ip-range start address :param remote_address_stop : remote-ip-range stop address :param local_port_start: (Default value = 0) :param local_port_stop: (Default value = 65535) :param remote_port_start: (Default value = 0) :param remote_port_stop: (Default value = 65535) :param protocol: Any(0), AH(51) & ESP(50) protocol (Default value = 0) :param sa_id: Security Association ID for mapping it to SPD :param policy: bypass(0), discard(1), resolve(2) or protect(3) action (Default value = 0) :param priority: value for the spd action (Default value = 100) :param is_outbound: flag for inbound(0) or outbound(1) (Default value = 1) :param is_add: (Default value = 1) """ return self.api( self.papi.ipsec_spd_entry_add_del, { 'is_add': is_add, 'entry': { 'spd_id': spd_id, 'sa_id': sa_id, 'local_address_start': local_address_start, 'local_address_stop': local_address_stop, 'remote_address_start': remote_address_start, 'remote_address_stop': remote_address_stop, 'local_port_start': local_port_start, 'local_port_stop': local_port_stop, 'remote_port_start': remote_port_start, 'remote_port_stop': remote_port_stop, 'protocol': protocol, 'policy': policy, 'priority': priority, 'is_outbound': is_outbound, } }) def ipsec_spd_dump(self, spd_id, sa_id=0xffffffff): return self.api(self.papi.ipsec_spd_dump, { 'spd_id': spd_id, 'sa_id': sa_id }) def ipsec_tunnel_if_add_del(self, local_ip, remote_ip, local_spi, remote_spi, crypto_alg, local_crypto_key, remote_crypto_key, integ_alg, local_integ_key, remote_integ_key, is_add=1, esn=0, salt=0, anti_replay=1, renumber=0, udp_encap=0, show_instance=0xffffffff): return self.api( self.papi.ipsec_tunnel_if_add_del, { 'local_ip': local_ip, 'remote_ip': remote_ip, 'local_spi': local_spi, 'remote_spi': remote_spi, 'crypto_alg': crypto_alg, 'local_crypto_key_len': len(local_crypto_key), 'local_crypto_key': local_crypto_key, 'remote_crypto_key_len': len(remote_crypto_key), 'remote_crypto_key': remote_crypto_key, 'integ_alg': integ_alg, 'local_integ_key_len': len(local_integ_key), 'local_integ_key': local_integ_key, 'remote_integ_key_len': len(remote_integ_key), 'remote_integ_key': remote_integ_key, 'is_add': is_add, 'esn': esn, 'anti_replay': anti_replay, 'renumber': renumber, 'show_instance': show_instance, 'udp_encap': udp_encap, 'salt': salt }) def ipsec_select_backend(self, protocol, index): return self.api(self.papi.ipsec_select_backend, { 'protocol': protocol, 'index': index }) def ipsec_backend_dump(self): return self.api(self.papi.ipsec_backend_dump, {}) def punt_socket_register(self, reg, pathname, header_version=1): """ Register punt socket """ return self.api(self.papi.punt_socket_register, { 'header_version': header_version, 'punt': reg, 'pathname': pathname }) def punt_socket_deregister(self, reg): """ Unregister punt socket """ return self.api(self.papi.punt_socket_deregister, {'punt': reg}) def gbp_endpoint_dump(self): """ GBP endpoint Dump """ return self.api(self.papi.gbp_endpoint_dump, {}) def gbp_recirc_dump(self): """ GBP recirc Dump """ return self.api(self.papi.gbp_recirc_dump, {}) def gbp_ext_itf_dump(self): """ GBP recirc Dump """ return self.api(self.papi.gbp_ext_itf_dump, {}) def gbp_subnet_dump(self): """ GBP Subnet Dump """ return self.api(self.papi.gbp_subnet_dump, {}) def gbp_contract_dump(self): """ GBP contract Dump """ return self.api(self.papi.gbp_contract_dump, {}) def gbp_vxlan_tunnel_dump(self): """ GBP VXLAN tunnel add/del """ return self.api(self.papi.gbp_vxlan_tunnel_dump, {}) def igmp_enable_disable(self, sw_if_index, enable, host): """ Enable/disable IGMP on a given interface """ return self.api(self.papi.igmp_enable_disable, { 'enable': enable, 'mode': host, 'sw_if_index': sw_if_index }) def igmp_proxy_device_add_del(self, vrf_id, sw_if_index, add): """ Add/del IGMP proxy device """ return self.api(self.papi.igmp_proxy_device_add_del, { 'vrf_id': vrf_id, 'sw_if_index': sw_if_index, 'add': add }) def igmp_proxy_device_add_del_interface(self, vrf_id, sw_if_index, add): """ Add/del interface to/from IGMP proxy device """ return self.api(self.papi.igmp_proxy_device_add_del_interface, { 'vrf_id': vrf_id, 'sw_if_index': sw_if_index, 'add': add }) def igmp_listen(self, filter, sw_if_index, saddrs, gaddr): """ Listen for new (S,G) on specified interface :param enable: add/del :param sw_if_index: interface sw index :param saddr: source ip4 addr :param gaddr: group ip4 addr """ return self.api( self.papi.igmp_listen, { 'group': { 'filter': filter, 'sw_if_index': sw_if_index, 'n_srcs': len(saddrs), 'saddrs': saddrs, 'gaddr': gaddr } }) def igmp_clear_interface(self, sw_if_index): """ Remove all (S,G)s from specified interface doesn't send IGMP report! """ return self.api(self.papi.igmp_clear_interface, {'sw_if_index': sw_if_index}) def want_igmp_events(self, enable=1): return self.api(self.papi.want_igmp_events, { 'enable': enable, 'pid': os.getpid() })
class VppPapiProvider(object): """VPP-api provider using vpp-papi @property hook: hook object providing before and after api/cli hooks """ def __init__(self, name, shm_prefix, test_class): self.hook = Hook("vpp-papi-provider") self.name = name self.shm_prefix = shm_prefix self.test_class = test_class jsonfiles = [] install_dir = os.getenv('VPP_TEST_INSTALL_PATH') for root, dirnames, filenames in os.walk(install_dir): for filename in fnmatch.filter(filenames, '*.api.json'): jsonfiles.append(os.path.join(root, filename)) self.papi = VPP(jsonfiles) self._events = deque() def register_hook(self, hook): """Replace hook registration with new hook :param hook: """ self.hook = hook def collect_events(self): """ Collect all events from the internal queue and clear the queue. """ e = self._events self._events = deque() return e def wait_for_event(self, timeout, name=None): """ Wait for and return next event. """ if self._events: self.test_class.logger.debug("Not waiting, event already queued") limit = time.time() + timeout while time.time() < limit: if self._events: e = self._events.popleft() if name and type(e).__name__ != name: raise Exception( "Unexpected event received: %s, expected: %s" % (type(e).__name__, name)) self.test_class.logger.debug("Returning event %s:%s" % (name, e)) return e time.sleep(0) # yield if name is not None: raise Exception("Event %s did not occur within timeout" % name) raise Exception("Event did not occur within timeout") def __call__(self, name, event): """ Enqueue event in the internal event queue. """ # FIXME use the name instead of relying on type(e).__name__ ? # FIXME #2 if this throws, it is eaten silently, Ole? self.test_class.logger.debug("New event: %s: %s" % (name, event)) self._events.append(event) def connect(self): """Connect the API to VPP""" self.papi.connect(self.name, self.shm_prefix) self.papi.register_event_callback(self) def disconnect(self): """Disconnect the API from VPP""" self.papi.disconnect() def api(self, api_fn, api_args, expected_retval=0): """ Call API function and check it's return value. Call the appropriate hooks before and after the API call :param api_fn: API function to call :param api_args: tuple of API function arguments :param expected_retval: Expected return value (Default value = 0) :returns: reply from the API """ self.hook.before_api(api_fn.__name__, api_args) reply = api_fn(**api_args) if hasattr(reply, 'retval') and reply.retval != expected_retval: msg = "API call failed, expected retval == %d, got %s" % ( expected_retval, repr(reply)) self.test_class.logger.info(msg) raise Exception(msg) self.hook.after_api(api_fn.__name__, api_args) return reply def cli(self, cli): """ Execute a CLI, calling the before/after hooks appropriately. :param cli: CLI to execute :returns: CLI output """ self.hook.before_cli(cli) cli += '\n' r = self.papi.cli_inband(length=len(cli), cmd=cli) self.hook.after_cli(cli) if hasattr(r, 'reply'): return r.reply.decode().rstrip('\x00') def ppcli(self, cli): """ Helper method to print CLI command in case of info logging level. :param cli: CLI to execute :returns: CLI output """ return cli + "\n" + str(self.cli(cli)) def _convert_mac(self, mac): return int(mac.replace(":", ""), 16) << 16 def show_version(self): """ """ return self.papi.show_version() def pg_create_interface(self, pg_index): """ :param pg_index: """ return self.api(self.papi.pg_create_interface, {"interface_id": pg_index}) def sw_interface_dump(self, filter=None): """ :param filter: (Default value = None) """ if filter is not None: args = {"name_filter_valid": 1, "name_filter": filter} else: args = {} return self.api(self.papi.sw_interface_dump, args) def sw_interface_set_table(self, sw_if_index, is_ipv6, table_id): """ Set the IPvX Table-id for the Interface :param sw_if_index: :param is_ipv6: :param table_id: """ return self.api(self.papi.sw_interface_set_table, {'sw_if_index': sw_if_index, 'is_ipv6': is_ipv6, 'vrf_id': table_id}) def sw_interface_add_del_address(self, sw_if_index, addr, addr_len, is_ipv6=0, is_add=1, del_all=0): """ :param addr: param is_ipv6: (Default value = 0) :param sw_if_index: :param addr_len: :param is_ipv6: (Default value = 0) :param is_add: (Default value = 1) :param del_all: (Default value = 0) """ return self.api(self.papi.sw_interface_add_del_address, {'sw_if_index': sw_if_index, 'is_add': is_add, 'is_ipv6': is_ipv6, 'del_all': del_all, 'address_length': addr_len, 'address': addr}) def sw_interface_enable_disable_mpls(self, sw_if_index, is_enable=1): """ Enable/Disable MPLS on the interface :param sw_if_index: :param is_enable: (Default value = 1) """ return self.api(self.papi.sw_interface_set_mpls_enable, {'sw_if_index': sw_if_index, 'enable': is_enable}) def sw_interface_ra_suppress(self, sw_if_index): return self.api(self.papi.sw_interface_ip6nd_ra_config, {'sw_if_index': sw_if_index}) def vxlan_add_del_tunnel( self, src_addr, dst_addr, mcast_sw_if_index=0xFFFFFFFF, is_add=1, is_ipv6=0, encap_vrf_id=0, decap_next_index=0xFFFFFFFF, vni=0): """ :param dst_addr: :param src_addr: :param is_add: (Default value = 1) :param is_ipv6: (Default value = 0) :param encap_vrf_id: (Default value = 0) :param decap_next_index: (Default value = 0xFFFFFFFF) :param mcast_sw_if_index: (Default value = 0xFFFFFFFF) :param vni: (Default value = 0) """ return self.api(self.papi.vxlan_add_del_tunnel, {'is_add': is_add, 'is_ipv6': is_ipv6, 'src_address': src_addr, 'dst_address': dst_addr, 'mcast_sw_if_index': mcast_sw_if_index, 'encap_vrf_id': encap_vrf_id, 'decap_next_index': decap_next_index, 'vni': vni}) def bridge_domain_add_del(self, bd_id, flood=1, uu_flood=1, forward=1, learn=1, arp_term=0, is_add=1): """Create/delete bridge domain. :param int bd_id: Bridge domain index. :param int flood: Enable/disable bcast/mcast flooding in the BD. (Default value = 1) :param int uu_flood: Enable/disable unknown unicast flood in the BD. (Default value = 1) :param int forward: Enable/disable forwarding on all interfaces in the BD. (Default value = 1) :param int learn: Enable/disable learning on all interfaces in the BD. (Default value = 1) :param int arp_term: Enable/disable arp termination in the BD. (Default value = 1) :param int is_add: Add or delete flag. (Default value = 1) """ return self.api(self.papi.bridge_domain_add_del, {'bd_id': bd_id, 'flood': flood, 'uu_flood': uu_flood, 'forward': forward, 'learn': learn, 'arp_term': arp_term, 'is_add': is_add}) def l2fib_add_del(self, mac, bd_id, sw_if_index, is_add=1, static_mac=0, filter_mac=0, bvi_mac=0): """Create/delete L2 FIB entry. :param str mac: MAC address to create FIB entry for. :param int bd_id: Bridge domain index. :param int sw_if_index: Software interface index of the interface. :param int is_add: Add or delete flag. (Default value = 1) :param int static_mac: Set to 1 to create static MAC entry. (Default value = 0) :param int filter_mac: Set to 1 to drop packet that's source or destination MAC address contains defined MAC address. (Default value = 0) :param int bvi_mac: Set to 1 to create entry that points to BVI interface. (Default value = 0) """ return self.api(self.papi.l2fib_add_del, {'mac': self._convert_mac(mac), 'bd_id': bd_id, 'sw_if_index': sw_if_index, 'is_add': is_add, 'static_mac': static_mac, 'filter_mac': filter_mac, 'bvi_mac': bvi_mac}) def sw_interface_set_l2_bridge(self, sw_if_index, bd_id, shg=0, bvi=0, enable=1): """Add/remove interface to/from bridge domain. :param int sw_if_index: Software interface index of the interface. :param int bd_id: Bridge domain index. :param int shg: Split-horizon group index. (Default value = 0) :param int bvi: Set interface as a bridge group virtual interface. (Default value = 0) :param int enable: Add or remove interface. (Default value = 1) """ return self.api(self.papi.sw_interface_set_l2_bridge, {'rx_sw_if_index': sw_if_index, 'bd_id': bd_id, 'shg': shg, 'bvi': bvi, 'enable': enable}) def bridge_flags(self, bd_id, is_set, feature_bitmap): """Enable/disable required feature of the bridge domain with defined ID. :param int bd_id: Bridge domain ID. :param int is_set: Set to 1 to enable, set to 0 to disable the feature. :param int feature_bitmap: Bitmap value of the feature to be set: - learn (1 << 0), - forward (1 << 1), - flood (1 << 2), - uu-flood (1 << 3) or - arp-term (1 << 4). """ return self.api(self.papi.bridge_flags, {'bd_id': bd_id, 'is_set': is_set, 'feature_bitmap': feature_bitmap}) def bridge_domain_dump(self, bd_id=0): """ :param int bd_id: Bridge domain ID. (Default value = 0 => dump of all existing bridge domains returned) :return: Dictionary of bridge domain(s) data. """ return self.api(self.papi.bridge_domain_dump, {'bd_id': bd_id}) def sw_interface_set_l2_xconnect(self, rx_sw_if_index, tx_sw_if_index, enable): """Create or delete unidirectional cross-connect from Tx interface to Rx interface. :param int rx_sw_if_index: Software interface index of Rx interface. :param int tx_sw_if_index: Software interface index of Tx interface. :param int enable: Create cross-connect if equal to 1, delete cross-connect if equal to 0. """ return self.api(self.papi.sw_interface_set_l2_xconnect, {'rx_sw_if_index': rx_sw_if_index, 'tx_sw_if_index': tx_sw_if_index, 'enable': enable}) def sw_interface_set_l2_tag_rewrite( self, sw_if_index, vtr_oper, push=0, tag1=0, tag2=0): """L2 interface vlan tag rewrite configure request :param client_index - opaque cookie to identify the sender :param context - sender context, to match reply w/ request :param sw_if_index - interface the operation is applied to :param vtr_op - Choose from l2_vtr_op_t enum values :param push_dot1q - first pushed flag dot1q id set, else dot1ad :param tag1 - Needed for any push or translate vtr op :param tag2 - Needed for any push 2 or translate x-2 vtr ops """ return self.api(self.papi.l2_interface_vlan_tag_rewrite, {'sw_if_index': sw_if_index, 'vtr_op': vtr_oper, 'push_dot1q': push, 'tag1': tag1, 'tag2': tag2}) def sw_interface_set_flags(self, sw_if_index, admin_up_down, link_up_down=0, deleted=0): """ :param admin_up_down: :param sw_if_index: :param link_up_down: (Default value = 0) :param deleted: (Default value = 0) """ return self.api(self.papi.sw_interface_set_flags, {'sw_if_index': sw_if_index, 'admin_up_down': admin_up_down, 'link_up_down': link_up_down, 'deleted': deleted}) def create_subif(self, sw_if_index, sub_id, outer_vlan, inner_vlan, no_tags=0, one_tag=0, two_tags=0, dot1ad=0, exact_match=0, default_sub=0, outer_vlan_id_any=0, inner_vlan_id_any=0): """Create subinterface from vpe.api: set dot1ad = 0 for dot1q, set dot1ad = 1 for dot1ad :param sub_id: param inner_vlan: :param sw_if_index: :param outer_vlan: :param inner_vlan: :param no_tags: (Default value = 0) :param one_tag: (Default value = 0) :param two_tags: (Default value = 0) :param dot1ad: (Default value = 0) :param exact_match: (Default value = 0) :param default_sub: (Default value = 0) :param outer_vlan_id_any: (Default value = 0) :param inner_vlan_id_any: (Default value = 0) """ return self.api( self.papi.create_subif, {'sw_if_index': sw_if_index, 'sub_id': sub_id, 'no_tags': no_tags, 'one_tag': one_tag, 'two_tags': two_tags, 'dot1ad': dot1ad, 'exact_match': exact_match, 'default_sub': default_sub, 'outer_vlan_id_any': outer_vlan_id_any, 'inner_vlan_id_any': inner_vlan_id_any, 'outer_vlan_id': outer_vlan, 'inner_vlan_id': inner_vlan}) def delete_subif(self, sw_if_index): """Delete subinterface :param sw_if_index: """ return self.api(self.papi.delete_subif, {'sw_if_index': sw_if_index}) def create_vlan_subif(self, sw_if_index, vlan): """ :param vlan: :param sw_if_index: """ return self.api(self.papi.create_vlan_subif, {'sw_if_index': sw_if_index, 'vlan_id': vlan}) def create_loopback(self, mac=''): """ :param mac: (Optional) """ return self.api(self.papi.create_loopback, {'mac_address': mac}) def ip_add_del_route( self, dst_address, dst_address_length, next_hop_address, next_hop_sw_if_index=0xFFFFFFFF, table_id=0, next_hop_table_id=0, next_hop_weight=1, next_hop_n_out_labels=0, next_hop_out_label_stack=[], next_hop_via_label=MPLS_LABEL_INVALID, create_vrf_if_needed=0, is_resolve_host=0, is_resolve_attached=0, classify_table_index=0xFFFFFFFF, is_add=1, is_drop=0, is_unreach=0, is_prohibit=0, is_ipv6=0, is_local=0, is_classify=0, is_multipath=0, not_last=0): """ :param dst_address_length: :param next_hop_sw_if_index: (Default value = 0xFFFFFFFF) :param dst_address: :param next_hop_address: :param next_hop_sw_if_index: (Default value = 0xFFFFFFFF) :param vrf_id: (Default value = 0) :param lookup_in_vrf: (Default value = 0) :param classify_table_index: (Default value = 0xFFFFFFFF) :param create_vrf_if_needed: (Default value = 0) :param is_add: (Default value = 1) :param is_drop: (Default value = 0) :param is_ipv6: (Default value = 0) :param is_local: (Default value = 0) :param is_classify: (Default value = 0) :param is_multipath: (Default value = 0) :param is_resolve_host: (Default value = 0) :param is_resolve_attached: (Default value = 0) :param not_last: (Default value = 0) :param next_hop_weight: (Default value = 1) """ return self.api( self.papi.ip_add_del_route, {'next_hop_sw_if_index': next_hop_sw_if_index, 'table_id': table_id, 'classify_table_index': classify_table_index, 'next_hop_table_id': next_hop_table_id, 'create_vrf_if_needed': create_vrf_if_needed, 'is_add': is_add, 'is_drop': is_drop, 'is_unreach': is_unreach, 'is_prohibit': is_prohibit, 'is_ipv6': is_ipv6, 'is_local': is_local, 'is_classify': is_classify, 'is_multipath': is_multipath, 'is_resolve_host': is_resolve_host, 'is_resolve_attached': is_resolve_attached, 'not_last': not_last, 'next_hop_weight': next_hop_weight, 'dst_address_length': dst_address_length, 'dst_address': dst_address, 'next_hop_address': next_hop_address, 'next_hop_n_out_labels': next_hop_n_out_labels, 'next_hop_via_label': next_hop_via_label, 'next_hop_out_label_stack': next_hop_out_label_stack}) def ip_fib_dump(self): return self.api(self.papi.ip_fib_dump, {}) def ip_neighbor_add_del(self, sw_if_index, mac_address, dst_address, vrf_id=0, is_add=1, is_ipv6=0, is_static=0, ): """ Add neighbor MAC to IPv4 or IPv6 address. :param sw_if_index: :param mac_address: :param dst_address: :param vrf_id: (Default value = 0) :param is_add: (Default value = 1) :param is_ipv6: (Default value = 0) :param is_static: (Default value = 0) """ return self.api( self.papi.ip_neighbor_add_del, {'vrf_id': vrf_id, 'sw_if_index': sw_if_index, 'is_add': is_add, 'is_ipv6': is_ipv6, 'is_static': is_static, 'mac_address': mac_address, 'dst_address': dst_address } ) def sw_interface_span_enable_disable( self, sw_if_index_from, sw_if_index_to, state=1): """ :param sw_if_index_from: :param sw_if_index_to: :param state: """ return self.api(self.papi.sw_interface_span_enable_disable, {'sw_if_index_from': sw_if_index_from, 'sw_if_index_to': sw_if_index_to, 'state': state}) def gre_tunnel_add_del(self, src_address, dst_address, outer_fib_id=0, is_teb=0, is_add=1, is_ip6=0): """ Add a GRE tunnel :param src_address: :param dst_address: :param outer_fib_id: (Default value = 0) :param is_add: (Default value = 1) :param is_ipv6: (Default value = 0) :param is_teb: (Default value = 0) """ return self.api( self.papi.gre_add_del_tunnel, {'is_add': is_add, 'is_ipv6': is_ip6, 'teb': is_teb, 'src_address': src_address, 'dst_address': dst_address, 'outer_fib_id': outer_fib_id} ) def mpls_route_add_del( self, label, eos, next_hop_proto_is_ip4, next_hop_address, next_hop_sw_if_index=0xFFFFFFFF, table_id=0, next_hop_table_id=0, next_hop_weight=1, next_hop_n_out_labels=0, next_hop_out_label_stack=[], next_hop_via_label=MPLS_LABEL_INVALID, create_vrf_if_needed=0, is_resolve_host=0, is_resolve_attached=0, is_add=1, is_drop=0, is_multipath=0, classify_table_index=0xFFFFFFFF, is_classify=0, not_last=0): """ :param dst_address_length: :param next_hop_sw_if_index: (Default value = 0xFFFFFFFF) :param dst_address: :param next_hop_address: :param next_hop_sw_if_index: (Default value = 0xFFFFFFFF) :param vrf_id: (Default value = 0) :param lookup_in_vrf: (Default value = 0) :param classify_table_index: (Default value = 0xFFFFFFFF) :param create_vrf_if_needed: (Default value = 0) :param is_add: (Default value = 1) :param is_drop: (Default value = 0) :param is_ipv6: (Default value = 0) :param is_local: (Default value = 0) :param is_classify: (Default value = 0) :param is_multipath: (Default value = 0) :param is_resolve_host: (Default value = 0) :param is_resolve_attached: (Default value = 0) :param not_last: (Default value = 0) :param next_hop_weight: (Default value = 1) """ return self.api( self.papi.mpls_route_add_del, {'mr_label': label, 'mr_eos': eos, 'mr_table_id': table_id, 'mr_classify_table_index': classify_table_index, 'mr_create_table_if_needed': create_vrf_if_needed, 'mr_is_add': is_add, 'mr_is_classify': is_classify, 'mr_is_multipath': is_multipath, 'mr_is_resolve_host': is_resolve_host, 'mr_is_resolve_attached': is_resolve_attached, 'mr_next_hop_proto_is_ip4': next_hop_proto_is_ip4, 'mr_next_hop_weight': next_hop_weight, 'mr_next_hop': next_hop_address, 'mr_next_hop_n_out_labels': next_hop_n_out_labels, 'mr_next_hop_sw_if_index': next_hop_sw_if_index, 'mr_next_hop_table_id': next_hop_table_id, 'mr_next_hop_via_label': next_hop_via_label, 'mr_next_hop_out_label_stack': next_hop_out_label_stack}) def mpls_ip_bind_unbind( self, label, dst_address, dst_address_length, table_id=0, ip_table_id=0, is_ip4=1, create_vrf_if_needed=0, is_bind=1): """ """ return self.api( self.papi.mpls_ip_bind_unbind, {'mb_mpls_table_id': table_id, 'mb_label': label, 'mb_ip_table_id': ip_table_id, 'mb_create_table_if_needed': create_vrf_if_needed, 'mb_is_bind': is_bind, 'mb_is_ip4': is_ip4, 'mb_address_length': dst_address_length, 'mb_address': dst_address}) def mpls_tunnel_add_del( self, tun_sw_if_index, next_hop_proto_is_ip4, next_hop_address, next_hop_sw_if_index=0xFFFFFFFF, next_hop_table_id=0, next_hop_weight=1, next_hop_n_out_labels=0, next_hop_out_label_stack=[], next_hop_via_label=MPLS_LABEL_INVALID, create_vrf_if_needed=0, is_add=1, l2_only=0): """ :param dst_address_length: :param next_hop_sw_if_index: (Default value = 0xFFFFFFFF) :param dst_address: :param next_hop_address: :param next_hop_sw_if_index: (Default value = 0xFFFFFFFF) :param vrf_id: (Default value = 0) :param lookup_in_vrf: (Default value = 0) :param classify_table_index: (Default value = 0xFFFFFFFF) :param create_vrf_if_needed: (Default value = 0) :param is_add: (Default value = 1) :param is_drop: (Default value = 0) :param is_ipv6: (Default value = 0) :param is_local: (Default value = 0) :param is_classify: (Default value = 0) :param is_multipath: (Default value = 0) :param is_resolve_host: (Default value = 0) :param is_resolve_attached: (Default value = 0) :param not_last: (Default value = 0) :param next_hop_weight: (Default value = 1) """ return self.api( self.papi.mpls_tunnel_add_del, {'mt_sw_if_index': tun_sw_if_index, 'mt_is_add': is_add, 'mt_l2_only': l2_only, 'mt_next_hop_proto_is_ip4': next_hop_proto_is_ip4, 'mt_next_hop_weight': next_hop_weight, 'mt_next_hop': next_hop_address, 'mt_next_hop_n_out_labels': next_hop_n_out_labels, 'mt_next_hop_sw_if_index': next_hop_sw_if_index, 'mt_next_hop_table_id': next_hop_table_id, 'mt_next_hop_out_label_stack': next_hop_out_label_stack}) def snat_interface_add_del_feature( self, sw_if_index, is_inside=1, is_add=1): """Enable/disable S-NAT feature on the interface :param sw_if_index: Software index of the interface :param is_inside: 1 if inside, 0 if outside (Default value = 1) :param is_add: 1 if add, 0 if delete (Default value = 1) """ return self.api( self.papi.snat_interface_add_del_feature, {'is_add': is_add, 'is_inside': is_inside, 'sw_if_index': sw_if_index}) def snat_add_static_mapping( self, local_ip, external_ip, local_port=0, external_port=0, addr_only=1, vrf_id=0, is_add=1, is_ip4=1): """Add/delete S-NAT static mapping :param local_ip: Local IP address :param external_ip: External IP address :param local_port: Local port number (Default value = 0) :param external_port: External port number (Default value = 0) :param addr_only: 1 if address only mapping, 0 if address and port :param vrf_id: VRF ID :param is_add: 1 if add, 0 if delete (Default value = 1) :param is_ip4: 1 if address type is IPv4 (Default value = 1) """ return self.api( self.papi.snat_add_static_mapping, {'is_add': is_add, 'is_ip4': is_ip4, 'addr_only': addr_only, 'local_ip_address': local_ip, 'external_ip_address': external_ip, 'local_port': local_port, 'external_port': external_port, 'vrf_id': vrf_id}) def snat_add_address_range( self, first_ip_address, last_ip_address, is_add=1, is_ip4=1): """Add/del S-NAT address range :param first_ip_address: First IP address :param last_ip_address: Last IP address :param is_add: 1 if add, 0 if delete (Default value = 1) :param is_ip4: 1 if address type is IPv4 (Default value = 1) """ return self.api( self.papi.snat_add_address_range, {'is_ip4': is_ip4, 'first_ip_address': first_ip_address, 'last_ip_address': last_ip_address, 'is_add': is_add}) def snat_address_dump(self): """Dump S-NAT addresses :return: Dictionary of S-NAT addresses """ return self.api(self.papi.snat_address_dump, {}) def snat_interface_dump(self): """Dump interfaces with S-NAT feature :return: Dictionary of interfaces with S-NAT feature """ return self.api(self.papi.snat_interface_dump, {}) def snat_static_mapping_dump(self): """Dump S-NAT static mappings :return: Dictionary of S-NAT static mappings """ return self.api(self.papi.snat_static_mapping_dump, {}) def snat_show_config(self): """Show S-NAT config :return: S-NAT config parameters """ return self.api(self.papi.snat_show_config, {}) def control_ping(self): self.api(self.papi.control_ping) def bfd_udp_add(self, sw_if_index, desired_min_tx, required_min_rx, detect_mult, local_addr, peer_addr, is_ipv6=0): return self.api(self.papi.bfd_udp_add, { 'sw_if_index': sw_if_index, 'desired_min_tx': desired_min_tx, 'required_min_rx': required_min_rx, 'local_addr': local_addr, 'peer_addr': peer_addr, 'is_ipv6': is_ipv6, 'detect_mult': detect_mult, }) def bfd_udp_del(self, sw_if_index, local_addr, peer_addr, is_ipv6=0): return self.api(self.papi.bfd_udp_del, { 'sw_if_index': sw_if_index, 'local_addr': local_addr, 'peer_addr': peer_addr, 'is_ipv6': is_ipv6, }) def bfd_udp_session_dump(self): return self.api(self.papi.bfd_udp_session_dump, {}) def bfd_session_set_flags(self, bs_idx, admin_up_down): return self.api(self.papi.bfd_session_set_flags, { 'bs_index': bs_idx, 'admin_up_down': admin_up_down, }) def want_bfd_events(self, enable_disable=1): return self.api(self.papi.want_bfd_events, { 'enable_disable': enable_disable, 'pid': os.getpid(), }) def classify_add_del_table( self, is_add, mask, match_n_vectors=1, table_index=0xFFFFFFFF, nbuckets=2, memory_size=2097152, skip_n_vectors=0, next_table_index=0xFFFFFFFF, miss_next_index=0xFFFFFFFF, current_data_flag=0, current_data_offset=0): """ :param is_add: :param mask: :param match_n_vectors (Default value = 1): :param table_index (Default value = 0xFFFFFFFF) :param nbuckets: (Default value = 2) :param memory_size: (Default value = 2097152) :param skip_n_vectors: (Default value = 0) :param next_table_index: (Default value = 0xFFFFFFFF) :param miss_next_index: (Default value = 0xFFFFFFFF) :param current_data_flag: (Default value = 0) :param current_data_offset: (Default value = 0) """ return self.api( self.papi.classify_add_del_table, {'is_add' : is_add, 'table_index' : table_index, 'nbuckets' : nbuckets, 'memory_size': memory_size, 'skip_n_vectors' : skip_n_vectors, 'match_n_vectors' : match_n_vectors, 'next_table_index' : next_table_index, 'miss_next_index' : miss_next_index, 'current_data_flag' : current_data_flag, 'current_data_offset' : current_data_offset, 'mask' : mask}) def classify_add_del_session( self, is_add, table_index, match, opaque_index=0xFFFFFFFF, hit_next_index=0xFFFFFFFF, advance=0, action=0, metadata=0): """ :param is_add: :param table_index: :param match: :param opaque_index: (Default value = 0xFFFFFFFF) :param hit_next_index: (Default value = 0xFFFFFFFF) :param advance: (Default value = 0) :param action: (Default value = 0) :param metadata: (Default value = 0) """ return self.api( self.papi.classify_add_del_session, {'is_add' : is_add, 'table_index' : table_index, 'hit_next_index' : hit_next_index, 'opaque_index' : opaque_index, 'advance' : advance, 'action' : action, 'metadata' : metadata, 'match' : match}) def input_acl_set_interface( self, is_add, sw_if_index, ip4_table_index=0xFFFFFFFF, ip6_table_index=0xFFFFFFFF, l2_table_index=0xFFFFFFFF): """ :param is_add: :param sw_if_index: :param ip4_table_index: (Default value = 0xFFFFFFFF) :param ip6_table_index: (Default value = 0xFFFFFFFF) :param l2_table_index: (Default value = 0xFFFFFFFF) """ return self.api( self.papi.input_acl_set_interface, {'sw_if_index' : sw_if_index, 'ip4_table_index' : ip4_table_index, 'ip6_table_index' : ip6_table_index, 'l2_table_index' : l2_table_index, 'is_add' : is_add})
class VppPapiProvider(object): """VPP-api provider using vpp-papi @property hook: hook object providing before and after api/cli hooks """ _zero, _negative = range(2) def __init__(self, name, shm_prefix, test_class, read_timeout): self.hook = Hook("vpp-papi-provider") self.name = name self.shm_prefix = shm_prefix self.test_class = test_class self._expect_api_retval = self._zero self._expect_stack = [] jsonfiles = [] install_dir = os.getenv('VPP_TEST_INSTALL_PATH') for root, dirnames, filenames in os.walk(install_dir): for filename in fnmatch.filter(filenames, '*.api.json'): jsonfiles.append(os.path.join(root, filename)) self.vpp = VPP(jsonfiles, logger=test_class.logger, read_timeout=read_timeout) self._events = deque() def __enter__(self): return self def expect_negative_api_retval(self): """ Expect API failure """ self._expect_stack.append(self._expect_api_retval) self._expect_api_retval = self._negative return self def expect_zero_api_retval(self): """ Expect API success """ self._expect_stack.append(self._expect_api_retval) self._expect_api_retval = self._zero return self def __exit__(self, exc_type, exc_value, traceback): self._expect_api_retval = self._expect_stack.pop() def connect(self): """Connect the API to VPP""" self.vpp.connect(self.name, self.shm_prefix) self.papi = self.vpp.api self.vpp.register_event_callback(self) def disconnect(self): """Disconnect the API from VPP""" self.vpp.disconnect() def api(self, api_fn, api_args, expected_retval=0): """ Call API function and check it's return value. Call the appropriate hooks before and after the API call :param api_fn: API function to call :param api_args: tuple of API function arguments :param expected_retval: Expected return value (Default value = 0) :returns: reply from the API """ self.hook.before_api(api_fn.__name__, api_args) reply = api_fn(**api_args) if self._expect_api_retval == self._negative: if hasattr(reply, 'retval') and reply.retval >= 0: msg = "API call passed unexpectedly: expected negative "\ "return value instead of %d in %s" % \ (reply.retval, repr(reply)) self.test_class.logger.info(msg) raise UnexpectedApiReturnValueError(msg) elif self._expect_api_retval == self._zero: if hasattr(reply, 'retval') and reply.retval != expected_retval: msg = "API call failed, expected %d return value instead "\ "of %d in %s" % (expected_retval, reply.retval, repr(reply)) self.test_class.logger.info(msg) raise UnexpectedApiReturnValueError(msg) else: raise Exception("Internal error, unexpected value for " "self._expect_api_retval %s" % self._expect_api_retval) self.hook.after_api(api_fn.__name__, api_args) return reply def cli(self, cli): """ Execute a CLI, calling the before/after hooks appropriately. :param cli: CLI to execute :returns: CLI output """ self.hook.before_cli(cli) cli += '\n' r = self.papi.cli_inband(length=len(cli), cmd=cli) self.hook.after_cli(cli) if hasattr(r, 'reply'): return r.reply.decode().rstrip('\x00') def ppcli(self, cli): """ Helper method to print CLI command in case of info logging level. :param cli: CLI to execute :returns: CLI output """ return cli + "\n" + str(self.cli(cli)) def sw_interface_dump(self, filter=None): """ :param filter: (Default value = None) """ if filter is not None: args = {"name_filter_valid": 1, "name_filter": filter} else: args = {} return self.api(self.papi.sw_interface_dump, args) def ip_unnumbered_dump(self, sw_if_index=0xffffffff): return self.api(self.papi.ip_unnumbered_dump, {'sw_if_index': sw_if_index}) def bridge_domain_dump(self, bd_id=0): """ :param int bd_id: Bridge domain ID. (Default value = 0 => dump of all existing bridge domains returned) :return: Dictionary of bridge domain(s) data. """ return self.api(self.papi.bridge_domain_dump, {'bd_id': bd_id}) def ip_fib_dump(self): return self.api(self.papi.ip_fib_dump, {}) def ip6_fib_dump(self): return self.api(self.papi.ip6_fib_dump, {}) def ip_neighbor_dump(self, sw_if_index, is_ipv6=0): """ Return IP neighbor dump. :param sw_if_index: :param int is_ipv6: 1 for IPv6 neighbor, 0 for IPv4. (Default = 0) """ def ip_dump(self, is_ipv6=0, ): """ Return IP dump. :param int is_ipv6: 1 for IPv6 neighbor, 0 for IPv4. (Default = 0) """ return self.api( self.papi.ip_dump, {'is_ipv6': is_ipv6, } ) def udp_encap_dump(self): return self.api(self.papi.udp_encap_dump, {}) def mpls_fib_dump(self): return self.api(self.papi.mpls_fib_dump, {}) def mpls_tunnel_dump(self, sw_if_index=0xffffffff): return self.api(self.papi.mpls_tunnel_dump, {'sw_if_index': sw_if_index}) def nat44_address_dump(self): """Dump NAT44 addresses :return: Dictionary of NAT44 addresses """ return self.api(self.papi.nat44_address_dump, {}) def nat44_interface_dump(self): """Dump interfaces with NAT44 feature :return: Dictionary of interfaces with NAT44 feature """ return self.api(self.papi.nat44_interface_dump, {}) def nat44_interface_output_feature_dump(self): """Dump interfaces with NAT44 output feature :return: Dictionary of interfaces with NAT44 output feature """ return self.api(self.papi.nat44_interface_output_feature_dump, {}) def nat44_static_mapping_dump(self): """Dump NAT44 static mappings :return: Dictionary of NAT44 static mappings """ return self.api(self.papi.nat44_static_mapping_dump, {}) def nat44_identity_mapping_dump(self): """Dump NAT44 identity mappings :return: Dictionary of NAT44 identity mappings """ return self.api(self.papi.nat44_identity_mapping_dump, {}) def nat44_interface_addr_dump(self): """Dump NAT44 addresses interfaces :return: Dictionary of NAT44 addresses interfaces """ return self.api(self.papi.nat44_interface_addr_dump, {}) def nat44_user_session_dump( self, ip_address, vrf_id): """Dump NAT44 user's sessions :param ip_address: ip adress of the user to be dumped :param cpu_index: cpu_index on which the user is :param vrf_id: VRF ID :return: Dictionary of S-NAT sessions """ return self.api( self.papi.nat44_user_session_dump, {'ip_address': ip_address, 'vrf_id': vrf_id}) def nat44_user_dump(self): """Dump NAT44 users :return: Dictionary of NAT44 users """ return self.api(self.papi.nat44_user_dump, {}) def nat44_lb_static_mapping_dump(self): """Dump NAT44 load balancing static mappings :return: Dictionary of NAT44 load balancing static mapping """ return self.api(self.papi.nat44_lb_static_mapping_dump, {}) def nat_reass_dump(self): """Dump NAT virtual fragmentation reassemblies :return: Dictionary of NAT virtual fragmentation reassemblies """ return self.api(self.papi.nat_reass_dump, {}) def nat_det_map_dump(self): """Dump deterministic NAT mappings :return: Dictionary of deterministic NAT mappings """ return self.api(self.papi.nat_det_map_dump, {}) def nat_det_session_dump( self, user_addr): """Dump deterministic NAT sessions belonging to a user :param user_addr - inside IP address of the user :return: Dictionary of deterministic NAT sessions """ return self.api( self.papi.nat_det_session_dump, {'is_nat44': 1, 'user_addr': user_addr}) def nat64_pool_addr_dump(self): """Dump NAT64 pool addresses :return: Dictionary of NAT64 pool addresses """ return self.api(self.papi.nat64_pool_addr_dump, {}) def nat64_interface_dump(self): """Dump interfaces with NAT64 feature :return: Dictionary of interfaces with NAT64 feature """ return self.api(self.papi.nat64_interface_dump, {}) def nat64_bib_dump(self, protocol=255): """Dump NAT64 BIB :param protocol: IP protocol (Default value = 255, all BIBs) :returns: Dictionary of NAT64 BIB entries """ return self.api(self.papi.nat64_bib_dump, {'proto': protocol}) def nat64_st_dump(self, protocol=255): """Dump NAT64 session table :param protocol: IP protocol (Default value = 255, all STs) :returns: Dictionary of NAT64 sesstion table entries """ return self.api(self.papi.nat64_st_dump, {'proto': protocol}) def nat64_prefix_dump(self): """Dump NAT64 prefix :returns: Dictionary of NAT64 prefixes """ return self.api(self.papi.nat64_prefix_dump, {}) def nat66_interface_dump(self): """Dump interfaces with NAT66 feature :return: Dictionary of interfaces with NAT66 feature """ return self.api(self.papi.nat66_interface_dump, {}) def nat66_static_mapping_dump(self): """Dump NAT66 static mappings :return: Dictionary of NAT66 static mappings """ return self.api(self.papi.nat66_static_mapping_dump, {}) def bfd_udp_session_dump(self): return self.api(self.papi.bfd_udp_session_dump, {}) def bfd_auth_keys_dump(self): return self.api(self.papi.bfd_auth_keys_dump, {}) def dhcp_client_dump(self): return self.api(self.papi.dhcp_client_dump, {}) def mfib_signal_dump(self): return self.api(self.papi.mfib_signal_dump, {}) def ip_mfib_dump(self): return self.api(self.papi.ip_mfib_dump, {}) def ip6_mfib_dump(self): return self.api(self.papi.ip6_mfib_dump, {}) def lisp_locator_set_dump(self): return self.api(self.papi.lisp_locator_set_dump, {}) def lisp_locator_dump(self, is_index_set, ls_name=None, ls_index=0): return self.api( self.papi.lisp_locator_dump, { 'is_index_set': is_index_set, 'ls_name': ls_name, 'ls_index': ls_index, }) def lisp_eid_table_dump(self, eid_set=0, prefix_length=0, vni=0, eid_type=0, eid=None, filter_opt=0): return self.api( self.papi.lisp_eid_table_dump, { 'eid_set': eid_set, 'prefix_length': prefix_length, 'vni': vni, 'eid_type': eid_type, 'eid': eid, 'filter': filter_opt, }) def vxlan_gbp_tunnel_dump(self, sw_if_index=0xffffffff): return self.api(self.papi.vxlan_gbp_tunnel_dump, {'sw_if_index': sw_if_index}) def acl_dump(self, acl_index, expected_retval=0): return self.api(self.papi.acl_dump, {'acl_index': acl_index}, expected_retval=expected_retval) def acl_interface_list_dump(self, sw_if_index=0xFFFFFFFF, expected_retval=0): return self.api(self.papi.acl_interface_list_dump, {'sw_if_index': sw_if_index}, expected_retval=expected_retval) def macip_acl_dump(self, acl_index=4294967295): """ Return MACIP acl dump """ return self.api( self.papi.macip_acl_dump, {'acl_index': acl_index}) def bier_table_dump(self): return self.api(self.papi.bier_table_dump, {}) def bier_route_dump(self, bti): return self.api( self.papi.bier_route_dump, {'br_tbl_id': {"bt_set": bti.set_id, "bt_sub_domain": bti.sub_domain_id, "bt_hdr_len_ def bier_disp_table_add_del(self, bdti, is_add=1): """ BIER Disposition Table add/del """ return self.api( self.papi.bier_disp_table_add_del, {'bdt_tbl_id': bdti, 'bdt_is_add': is_add})id": bti.hdr_len_id}}) def bier_imp_dump(self): return self.api(self.papi.bier_imp_dump, {}) def bier_disp_table_dump(self): return self.api(self.papi.bier_disp_table_dump, {}) def bier_disp_entry_dump(self, bdti): return self.api( self.papi.bier_disp_entry_dump, {'bde_tbl_id': bdti}) def gbp_endpoint_dump(self): """ GBP endpoint Dump """ return self.api(self.papi.gbp_endpoint_dump, {}) def gbp_endpoint_group_dump(self): """ GBP endpoint group Dump """ return self.api(self.papi.gbp_endpoint_group_dump, {}) def gbp_recirc_dump(self): """ GBP recirc Dump """ return self.api(self.papi.gbp_recirc_dump, {}) def gbp_subnet_dump(self): """ GBP Subnet Dump """ return self.api(self.papi.gbp_subnet_dump, {}) def gbp_contract_dump(self): """ GBP contract Dump """ return self.api(self.papi.gbp_contract_dump, {}) def igmp_dump(self, sw_if_index=None): """ Dump all (S,G) interface configurations """ if sw_if_index is None: sw_if_index = 0xffffffff return self.api(self.papi.igmp_dump, {'sw_if_index': sw_if_index}) def sw_interface_slave_dump( self, sw_if_index): """ :param sw_if_index: bond sw_if_index """ return self.api(self.papi.sw_interface_slave_dump, {'sw_if_index': sw_if_index}) def sw_interface_bond_dump( self): """ """ return self.api(self.papi.sw_interface_bond_dump, {}) def sw_interface_vhost_user_dump( self): """ """ return self.api(self.papi.sw_interface_vhost_user_dump, {}) def abf_policy_dump(self): return self.api( self.papi.abf_policy_dump, {}) def abf_itf_attach_dump(self): return self.api( self.papi.abf_itf_attach_dump, {}) def pipe_dump(self): return self.api(self.papi.pipe_dump, {}) def memif_dump(self): return self.api(self.papi.memif_dump, {}) def memif_socket_filename_dump(self): return self.api(self.papi.memif_socket_filename_dump, {}) def svs_dump(self): return self.api(self.papi.svs_dump, {})
class VppPapiProvider(object): """VPP-api provider using vpp-papi @property hook: hook object providing before and after api/cli hooks """ def __init__(self, name, shm_prefix): self.hook = Hook("vpp-papi-provider") self.name = name self.shm_prefix = shm_prefix def register_hook(self, hook): """Replace hook registration with new hook :param hook: """ self.hook = hook def connect(self): """Connect the API to VPP""" vpp_papi.connect(self.name, self.shm_prefix) def disconnect(self): """Disconnect the API from VPP""" vpp_papi.disconnect() def api(self, api_fn, api_args, expected_retval=0): """Call API function and check it's return value Call the appropriate hooks before and after the API call :param api_fn: API function to call :param api_args: tuple of API function arguments :param expected_retval: Expected return value (Default value = 0) :returns: reply from the API """ self.hook.before_api(api_fn.__name__, api_args) reply = api_fn(*api_args) if hasattr(reply, 'retval') and reply.retval != expected_retval: msg = "API call failed, expected retval == %d, got %s" % ( expected_retval, repr(reply)) error(msg) raise Exception(msg) self.hook.after_api(api_fn.__name__, api_args) return reply def cli(self, cli): """ Execute a CLI, calling the before/after hooks appropriately. :param cli: CLI to execute :returns: CLI output """ self.hook.before_cli(cli) cli += '\n' r = vpp_papi.cli_inband(len(cli), cli) self.hook.after_cli(cli) if hasattr(r, 'reply'): return r.reply[0].decode().rstrip('\x00') def ppcli(self, cli): """ Helping method to print CLI command in case of info logging level. :param cli: CLI to execute :returns: CLI output """ return cli + "\n" + self.cli(cli) def _convert_mac(self, mac): return int(mac.replace(":", ""), 16) << 16 def show_version(self): """ """ return vpp_papi.show_version() def pg_create_interface(self, pg_index): """ :param pg_index: """ return self.api(vpp_papi.pg_create_interface, (pg_index, )) def sw_interface_dump(self, filter=None): """ :param filter: (Default value = None) """ if filter is not None: args = (1, filter) else: args = (0, b'') return self.api(vpp_papi.sw_interface_dump, args) def sw_interface_set_table(self, sw_if_index, is_ipv6, table_id): """ Set the IPvX Table-id for the Interface :param sw_if_index: :param is_ipv6: :param table_id: """ return self.api(vpp_papi.sw_interface_set_table, (sw_if_index, is_ipv6, table_id)) def sw_interface_add_del_address(self, sw_if_index, addr, addr_len, is_ipv6=0, is_add=1, del_all=0): """ :param addr: param is_ipv6: (Default value = 0) :param sw_if_index: :param addr_len: :param is_ipv6: (Default value = 0) :param is_add: (Default value = 1) :param del_all: (Default value = 0) """ return self.api( vpp_papi.sw_interface_add_del_address, (sw_if_index, is_add, is_ipv6, del_all, addr_len, addr)) def sw_interface_enable_disable_mpls(self, sw_if_index, is_enable=1): """ Enable/Disable MPLS on the interface :param sw_if_index: :param is_enable: (Default value = 1) """ return self.api(vpp_papi.sw_interface_set_mpls_enable, (sw_if_index, is_enable)) def sw_interface_ra_suppress(self, sw_if_index): suppress = 1 managed = 0 other = 0 ll_option = 0 send_unicast = 0 cease = 0 is_no = 0 default_router = 0 max_interval = 0 min_interval = 0 lifetime = 0 initial_count = 0 initial_interval = 0 async = False return self.api( vpp_papi.sw_interface_ip6nd_ra_config, (sw_if_index, suppress, managed, other, ll_option, send_unicast, cease, is_no, default_router, max_interval, min_interval, lifetime, initial_count, initial_interval, async)) def vxlan_add_del_tunnel(self, src_addr, dst_addr, is_add=1, is_ipv6=0, encap_vrf_id=0, decap_next_index=0xFFFFFFFF, vni=0): """ :param dst_addr: :param src_addr: :param is_add: (Default value = 1) :param is_ipv6: (Default value = 0) :param encap_vrf_id: (Default value = 0) :param decap_next_index: (Default value = 0xFFFFFFFF) :param vni: (Default value = 0) """ return self.api(vpp_papi.vxlan_add_del_tunnel, (is_add, is_ipv6, src_addr, dst_addr, encap_vrf_id, decap_next_index, vni)) def bridge_domain_add_del(self, bd_id, flood=1, uu_flood=1, forward=1, learn=1, arp_term=0, is_add=1): """Create/delete bridge domain. :param int bd_id: Bridge domain index. :param int flood: Enable/disable bcast/mcast flooding in the BD. (Default value = 1) :param int uu_flood: Enable/disable unknown unicast flood in the BD. (Default value = 1) :param int forward: Enable/disable forwarding on all interfaces in the BD. (Default value = 1) :param int learn: Enable/disable learning on all interfaces in the BD. (Default value = 1) :param int arp_term: Enable/disable arp termination in the BD. (Default value = 1) :param int is_add: Add or delete flag. (Default value = 1) """ return self.api( vpp_papi.bridge_domain_add_del, (bd_id, flood, uu_flood, forward, learn, arp_term, is_add)) def l2fib_add_del(self, mac, bd_id, sw_if_index, is_add=1, static_mac=0, filter_mac=0, bvi_mac=0): """Create/delete L2 FIB entry. :param str mac: MAC address to create FIB entry for. :param int bd_id: Bridge domain index. :param int sw_if_index: Software interface index of the interface. :param int is_add: Add or delete flag. (Default value = 1) :param int static_mac: Set to 1 to create static MAC entry. (Default value = 0) :param int filter_mac: Set to 1 to drop packet that's source or destination MAC address contains defined MAC address. (Default value = 0) :param int bvi_mac: Set to 1 to create entry that points to BVI interface. (Default value = 0) """ return self.api(vpp_papi.l2fib_add_del, (self._convert_mac(mac), bd_id, sw_if_index, is_add, static_mac, filter_mac, bvi_mac)) def sw_interface_set_l2_bridge(self, sw_if_index, bd_id, shg=0, bvi=0, enable=1): """Add/remove interface to/from bridge domain. :param int sw_if_index: Software interface index of the interface. :param int bd_id: Bridge domain index. :param int shg: Split-horizon group index. (Default value = 0) :param int bvi: Set interface as a bridge group virtual interface. (Default value = 0) :param int enable: Add or remove interface. (Default value = 1) """ return self.api(vpp_papi.sw_interface_set_l2_bridge, (sw_if_index, bd_id, shg, bvi, enable)) def sw_interface_set_l2_xconnect(self, rx_sw_if_index, tx_sw_if_index, enable): """Create or delete unidirectional cross-connect from Tx interface to Rx interface. :param int rx_sw_if_index: Software interface index of Rx interface. :param int tx_sw_if_index: Software interface index of Tx interface. :param int enable: Create cross-connect if equal to 1, delete cross-connect if equal to 0. """ return self.api(vpp_papi.sw_interface_set_l2_xconnect, (rx_sw_if_index, tx_sw_if_index, enable)) def sw_interface_set_l2_tag_rewrite(self, sw_if_index, vtr_oper, push=0, tag1=0, tag2=0): """L2 interface vlan tag rewrite configure request :param client_index - opaque cookie to identify the sender :param context - sender context, to match reply w/ request :param sw_if_index - interface the operation is applied to :param vtr_op - Choose from l2_vtr_op_t enum values :param push_dot1q - first pushed flag dot1q id set, else dot1ad :param tag1 - Needed for any push or translate vtr op :param tag2 - Needed for any push 2 or translate x-2 vtr ops """ return self.api(vpp_papi.l2_interface_vlan_tag_rewrite, (sw_if_index, vtr_oper, push, tag1, tag2)) def sw_interface_set_flags(self, sw_if_index, admin_up_down, link_up_down=0, deleted=0): """ :param admin_up_down: :param sw_if_index: :param link_up_down: (Default value = 0) :param deleted: (Default value = 0) """ return self.api(vpp_papi.sw_interface_set_flags, (sw_if_index, admin_up_down, link_up_down, deleted)) def create_subif(self, sw_if_index, sub_id, outer_vlan, inner_vlan, no_tags=0, one_tag=0, two_tags=0, dot1ad=0, exact_match=0, default_sub=0, outer_vlan_id_any=0, inner_vlan_id_any=0): """Create subinterface from vpe.api: set dot1ad = 0 for dot1q, set dot1ad = 1 for dot1ad :param sub_id: param inner_vlan: :param sw_if_index: :param outer_vlan: :param inner_vlan: :param no_tags: (Default value = 0) :param one_tag: (Default value = 0) :param two_tags: (Default value = 0) :param dot1ad: (Default value = 0) :param exact_match: (Default value = 0) :param default_sub: (Default value = 0) :param outer_vlan_id_any: (Default value = 0) :param inner_vlan_id_any: (Default value = 0) """ return self.api(vpp_papi.create_subif, (sw_if_index, sub_id, no_tags, one_tag, two_tags, dot1ad, exact_match, default_sub, outer_vlan_id_any, inner_vlan_id_any, outer_vlan, inner_vlan)) def delete_subif(self, sw_if_index): """Delete subinterface :param sw_if_index: """ return self.api(vpp_papi.delete_subif, ([sw_if_index])) def create_vlan_subif(self, sw_if_index, vlan): """ :param vlan: :param sw_if_index: """ return self.api(vpp_papi.create_vlan_subif, (sw_if_index, vlan)) def create_loopback(self, mac=''): """ :param mac: (Optional) """ return self.api(vpp_papi.create_loopback, (mac, )) def ip_add_del_route(self, dst_address, dst_address_length, next_hop_address, next_hop_sw_if_index=0xFFFFFFFF, table_id=0, resolve_attempts=0, classify_table_index=0xFFFFFFFF, next_hop_out_label=MPLS_LABEL_INVALID, next_hop_table_id=0, create_vrf_if_needed=0, resolve_if_needed=0, is_add=1, is_drop=0, is_unreach=0, is_prohibit=0, is_ipv6=0, is_local=0, is_classify=0, is_multipath=0, is_resolve_host=0, is_resolve_attached=0, not_last=0, next_hop_weight=1): """ :param dst_address_length: :param next_hop_sw_if_index: (Default value = 0xFFFFFFFF) :param dst_address: :param next_hop_address: :param next_hop_sw_if_index: (Default value = 0xFFFFFFFF) :param vrf_id: (Default value = 0) :param lookup_in_vrf: (Default value = 0) :param resolve_attempts: (Default value = 0) :param classify_table_index: (Default value = 0xFFFFFFFF) :param create_vrf_if_needed: (Default value = 0) :param resolve_if_needed: (Default value = 0) :param is_add: (Default value = 1) :param is_drop: (Default value = 0) :param is_ipv6: (Default value = 0) :param is_local: (Default value = 0) :param is_classify: (Default value = 0) :param is_multipath: (Default value = 0) :param is_resolve_host: (Default value = 0) :param is_resolve_attached: (Default value = 0) :param not_last: (Default value = 0) :param next_hop_weight: (Default value = 1) """ return self.api( vpp_papi.ip_add_del_route, (next_hop_sw_if_index, table_id, resolve_attempts, classify_table_index, next_hop_out_label, next_hop_table_id, create_vrf_if_needed, resolve_if_needed, is_add, is_drop, is_unreach, is_prohibit, is_ipv6, is_local, is_classify, is_multipath, is_resolve_host, is_resolve_attached, not_last, next_hop_weight, dst_address_length, dst_address, next_hop_address)) def ip_neighbor_add_del( self, sw_if_index, mac_address, dst_address, vrf_id=0, is_add=1, is_ipv6=0, is_static=0, ): """ Add neighbor MAC to IPv4 or IPv6 address. :param sw_if_index: :param mac_address: :param dst_address: :param vrf_id: (Default value = 0) :param is_add: (Default value = 1) :param is_ipv6: (Default value = 0) :param is_static: (Default value = 0) """ return self.api(vpp_papi.ip_neighbor_add_del, (vrf_id, sw_if_index, is_add, is_ipv6, is_static, mac_address, dst_address)) def sw_interface_span_enable_disable(self, sw_if_index_from, sw_if_index_to, enable=1): """ :param sw_if_index_from: :param sw_if_index_to: :param enable """ return self.api(vpp_papi.sw_interface_span_enable_disable, (sw_if_index_from, sw_if_index_to, enable)) def gre_tunnel_add_del(self, src_address, dst_address, outer_fib_id=0, is_teb=0, is_add=1, is_ip6=0): """ Add a GRE tunnel :param src_address: :param dst_address: :param outer_fib_id: (Default value = 0) :param is_add: (Default value = 1) :param is_ipv6: (Default value = 0) :param is_teb: (Default value = 0) """ return self.api( vpp_papi.gre_add_del_tunnel, (is_add, is_ip6, is_teb, src_address, dst_address, outer_fib_id))
class VppPapiProvider(object): """VPP-api provider using vpp-papi @property hook: hook object providing before and after api/cli hooks """ def __init__(self, name, shm_prefix): self.hook = Hook("vpp-papi-provider") self.name = name self.shm_prefix = shm_prefix def register_hook(self, hook): """Replace hook registration with new hook :param hook: """ self.hook = hook def connect(self): """Connect the API to VPP""" vpp_papi.connect(self.name, self.shm_prefix) def disconnect(self): """Disconnect the API from VPP""" vpp_papi.disconnect() def api(self, api_fn, api_args, expected_retval=0): """Call API function and check it's return value Call the appropriate hooks before and after the API call :param api_fn: API function to call :param api_args: tuple of API function arguments :param expected_retval: Expected return value (Default value = 0) :returns: reply from the API """ self.hook.before_api(api_fn.__name__, api_args) reply = api_fn(*api_args) if hasattr(reply, 'retval') and reply.retval != expected_retval: msg = "API call failed, expected retval == %d, got %s" % ( expected_retval, repr(reply)) error(msg) raise Exception(msg) self.hook.after_api(api_fn.__name__, api_args) return reply def cli(self, cli): """Execute a CLI, calling the before/after hooks appropriately :param cli: CLI to execute :returns: CLI output """ self.hook.before_cli(cli) cli += '\n' r = vpp_papi.cli_inband(len(cli), cli) self.hook.after_cli(cli) if (hasattr(r, 'reply')): return r.reply[0].decode().rstrip('\x00') def show_version(self): """ """ return vpp_papi.show_version() def pg_create_interface(self, pg_index): """ :param pg_index: """ return self.api(vpp_papi.pg_create_interface, (pg_index, )) def sw_interface_dump(self, filter=None): """ :param filter: (Default value = None) """ if filter is not None: args = (1, filter) else: args = (0, b'') return self.api(vpp_papi.sw_interface_dump, args) def sw_interface_set_table(self, sw_if_index, is_ipv6, table_id): """ Set the IPvX Table-id for the Interface :param sw_if_index: :param is_ipv6: :param table_id: """ return self.api(vpp_papi.sw_interface_set_table, (sw_if_index, is_ipv6, table_id)) def sw_interface_add_del_address(self, sw_if_index, addr, addr_len, is_ipv6=0, is_add=1, del_all=0): """ :param addr: param is_ipv6: (Default value = 0) :param sw_if_index: :param addr_len: :param is_ipv6: (Default value = 0) :param is_add: (Default value = 1) :param del_all: (Default value = 0) """ return self.api( vpp_papi.sw_interface_add_del_address, (sw_if_index, is_add, is_ipv6, del_all, addr_len, addr)) def sw_interface_enable_disable_mpls(self, sw_if_index, is_enable=1): """ Enable/Disable MPLS on the interface :param sw_if_index: :param is_enable: (Default value = 1) """ return self.api(vpp_papi.sw_interface_set_mpls_enable, (sw_if_index, is_enable)) def sw_interface_ra_suppress(self, sw_if_index): suppress = 1 managed = 0 other = 0 ll_option = 0 send_unicast = 0 cease = 0 is_no = 0 default_router = 0 max_interval = 0 min_interval = 0 lifetime = 0 initial_count = 0 initial_interval = 0 async = False return self.api( vpp_papi.sw_interface_ip6nd_ra_config, (sw_if_index, suppress, managed, other, ll_option, send_unicast, cease, is_no, default_router, max_interval, min_interval, lifetime, initial_count, initial_interval, async)) def vxlan_add_del_tunnel(self, src_addr, dst_addr, is_add=1, is_ipv6=0, encap_vrf_id=0, decap_next_index=0xFFFFFFFF, vni=0): """ :param dst_addr: :param src_addr: :param is_add: (Default value = 1) :param is_ipv6: (Default value = 0) :param encap_vrf_id: (Default value = 0) :param decap_next_index: (Default value = 0xFFFFFFFF) :param vni: (Default value = 0) """ return self.api(vpp_papi.vxlan_add_del_tunnel, (is_add, is_ipv6, src_addr, dst_addr, encap_vrf_id, decap_next_index, vni)) def sw_interface_set_l2_bridge(self, sw_if_index, bd_id, shg=0, bvi=0, enable=1): """ :param bd_id: :param sw_if_index: :param shg: (Default value = 0) :param bvi: (Default value = 0) :param enable: (Default value = 1) """ return self.api(vpp_papi.sw_interface_set_l2_bridge, (sw_if_index, bd_id, shg, bvi, enable)) def sw_interface_set_l2_xconnect(self, rx_sw_if_index, tx_sw_if_index, enable): """Create or delete unidirectional cross-connect from Tx interface to Rx interface. :param rx_sw_if_index: Software interface index of Rx interface. :param tx_sw_if_index: Software interface index of Tx interface. :param enable: Create cross-connect if equal to 1, delete cross-connect if equal to 0. :type rx_sw_if_index: str or int :type rx_sw_if_index: str or int :type enable: int """ return self.api(vpp_papi.sw_interface_set_l2_xconnect, (rx_sw_if_index, tx_sw_if_index, enable)) def sw_interface_set_flags(self, sw_if_index, admin_up_down, link_up_down=0, deleted=0): """ :param admin_up_down: :param sw_if_index: :param link_up_down: (Default value = 0) :param deleted: (Default value = 0) """ return self.api(vpp_papi.sw_interface_set_flags, (sw_if_index, admin_up_down, link_up_down, deleted)) def create_subif(self, sw_if_index, sub_id, outer_vlan, inner_vlan, no_tags=0, one_tag=0, two_tags=0, dot1ad=0, exact_match=0, default_sub=0, outer_vlan_id_any=0, inner_vlan_id_any=0): """Create subinterface from vpe.api: set dot1ad = 0 for dot1q, set dot1ad = 1 for dot1ad :param sub_id: param inner_vlan: :param sw_if_index: :param outer_vlan: :param inner_vlan: :param no_tags: (Default value = 0) :param one_tag: (Default value = 0) :param two_tags: (Default value = 0) :param dot1ad: (Default value = 0) :param exact_match: (Default value = 0) :param default_sub: (Default value = 0) :param outer_vlan_id_any: (Default value = 0) :param inner_vlan_id_any: (Default value = 0) """ return self.api(vpp_papi.create_subif, (sw_if_index, sub_id, no_tags, one_tag, two_tags, dot1ad, exact_match, default_sub, outer_vlan_id_any, inner_vlan_id_any, outer_vlan, inner_vlan)) def create_vlan_subif(self, sw_if_index, vlan): """ :param vlan: :param sw_if_index: """ return self.api(vpp_papi.create_vlan_subif, (sw_if_index, vlan)) def ip_add_del_route(self, dst_address, dst_address_length, next_hop_address, next_hop_sw_if_index=0xFFFFFFFF, table_id=0, resolve_attempts=0, classify_table_index=0xFFFFFFFF, next_hop_out_label=MPLS_LABEL_INVALID, next_hop_table_id=0, create_vrf_if_needed=0, resolve_if_needed=0, is_add=1, is_drop=0, is_unreach=0, is_prohibit=0, is_ipv6=0, is_local=0, is_classify=0, is_multipath=0, is_resolve_host=0, is_resolve_attached=0, not_last=0, next_hop_weight=1): """ :param dst_address_length: :param next_hop_sw_if_index: (Default value = 0xFFFFFFFF) :param dst_address: :param next_hop_address: :param next_hop_sw_if_index: (Default value = 0xFFFFFFFF) :param vrf_id: (Default value = 0) :param lookup_in_vrf: (Default value = 0) :param resolve_attempts: (Default value = 0) :param classify_table_index: (Default value = 0xFFFFFFFF) :param create_vrf_if_needed: (Default value = 0) :param resolve_if_needed: (Default value = 0) :param is_add: (Default value = 1) :param is_drop: (Default value = 0) :param is_ipv6: (Default value = 0) :param is_local: (Default value = 0) :param is_classify: (Default value = 0) :param is_multipath: (Default value = 0) :param is_resolve_host: (Default value = 0) :param is_resolve_attached: (Default value = 0) :param not_last: (Default value = 0) :param next_hop_weight: (Default value = 1) """ return self.api( vpp_papi.ip_add_del_route, (next_hop_sw_if_index, table_id, resolve_attempts, classify_table_index, next_hop_out_label, next_hop_table_id, create_vrf_if_needed, resolve_if_needed, is_add, is_drop, is_unreach, is_prohibit, is_ipv6, is_local, is_classify, is_multipath, is_resolve_host, is_resolve_attached, not_last, next_hop_weight, dst_address_length, dst_address, next_hop_address))