def vpp_ipsec_add_sad_entries(node, n_entries, sad_id, spi, crypto_alg, crypto_key, integ_alg, integ_key, tunnel_src=None, tunnel_dst=None): """Create multiple Security Association Database entries on VPP node. :param node: VPP node to add SAD entry on. :param n_entries: Number of SAD entries to be created. :param sad_id: First SAD entry ID. All subsequent SAD entries will have id incremented by 1. :param spi: Security Parameter Index of first SAD entry. All subsequent SAD entries will have spi incremented by 1. :param crypto_alg: The encryption algorithm name. :param crypto_key: The encryption key string. :param integ_alg: The integrity algorithm name. :param integ_key: The integrity key string. :param tunnel_src: Tunnel header source IPv4 or IPv6 address. If not specified ESP transport mode is used. :param tunnel_dst: Tunnel header destination IPv4 or IPv6 address. If not specified ESP transport mode is used. :type node: dict :type n_entries: int :type sad_id: int :type spi: int :type crypto_alg: CryptoAlg :type crypto_key: str :type integ_alg: IntegAlg :type integ_key: str :type tunnel_src: str :type tunnel_dst: str """ tmp_filename = '/tmp/ipsec_sad_{0}_add_del_entry.script'.format(sad_id) ckey = crypto_key.encode('hex') ikey = integ_key.encode('hex') tunnel = 'tunnel_src {0} tunnel_dst {1}'.format(tunnel_src, tunnel_dst)\ if tunnel_src is not None and tunnel_dst is not None else '' integ = 'integ_alg {0} integ_key {1}'.format(integ_alg.alg_name, ikey)\ if crypto_alg.alg_name != 'aes-gcm-128' else '' with open(tmp_filename, 'w') as tmp_file: for i in range(0, n_entries): buf_str = 'ipsec_sad_add_del_entry esp sad_id {0} spi {1} ' \ 'crypto_alg {2} crypto_key {3} {4} {5}\n'.format( sad_id+i, spi+i, crypto_alg.alg_name, ckey, integ, tunnel) tmp_file.write(buf_str) vat = VatExecutor() vat.execute_script(tmp_filename, node, timeout=300, json_out=False, copy_on_execute=True) os.remove(tmp_filename)
def vpp_show_hardware_detail(node): """Run "show hardware-interfaces detail" debug CLI command. :param node: Node to run command on. :type node: dict """ vat = VatExecutor() vat.execute_script("show_hardware_detail.vat", node, json_out=False)
def vpp_clear_runtime(node): """Run "clear runtime" CLI command. :param node: Node to run command on. :type node: dict """ vat = VatExecutor() vat.execute_script("clear_runtime.vat", node, json_out=False)
def vpp_show_errors(node): """Run "show errors" debug CLI command. :param node: Node to run command on. :type node: dict """ vat = VatExecutor() vat.execute_script("show_errors.vat", node, json_out=False)
def vpp_show_version_verbose(node): """Run "show version verbose" CLI command. :param node: Node to run command on. :type node: dict """ vat = VatExecutor() vat.execute_script("show_version_verbose.vat", node, json_out=False)
def vpp_api_trace_dump(node): """Run "api trace custom-dump" CLI command. :param node: Node to run command on. :type node: dict """ vat = VatExecutor() vat.execute_script("api_trace_dump.vat", node, json_out=False)
def show_event_logger_on_dut(node): """Show event logger on the DUT node. :param node: DUT node to show traces on. :type node: dict """ vat = VatExecutor() vat.execute_script("show_event_logger.vat", node, json_out=False)
def dump_memif(node): """Dump Memif data for the given node. :param node: Given node to show Memif data on. :type node: dict """ vat = VatExecutor() vat.execute_script("memif_dump.vat", node, json_out=False)
def vpp_show_runtime_verbose(node): """Run "show runtime verbose" CLI command. :param node: Node to run command on. :type node: dict """ vat = VatExecutor() vat.execute_script("show_runtime_verbose.vat", node, json_out=False) vat.script_should_have_passed()
def vpp_clear_errors_counters(node): """Clear errors counters on VPP node. :param node: Node to clear errors counters on. :type node: dict """ vat = VatExecutor() vat.execute_script('clear_errors.vat', node) vat.script_should_have_passed()
def vpp_show_vhost(node): """Get vhost-user data for the given node. :param node: VPP node to get interface data from. :type node: dict :returns: nothing """ vat = VatExecutor() vat.execute_script("show_vhost.vat", node, json_out=False)
def vpp_clear_hardware_counters(node): """Clear interface hardware counters on VPP node. :param node: Node to clear hardware counters on. :type node: dict """ vat = VatExecutor() vat.execute_script('clear_hardware.vat', node) vat.script_should_have_passed()
def vpp_enable_barrier_traces_on_dut(node): """Enable vpp barrier traces on the DUT node. :param node: DUT node to set up. :type node: dict """ vat = VatExecutor() vat.execute_script("test_threads_barrier_elog.vat", node, json_out=False)
def show_packet_trace_on_all_duts(nodes): """Show VPP packet trace. :param nodes: Nodes from which the packet trace will be displayed. :type nodes: list """ for node in nodes.values(): if node['type'] == NodeType.DUT: vat = VatExecutor() vat.execute_script("show_trace.vat", node, json_out=False)
def vpp_show_crypto_device_mapping(node): """Run "show crypto device mapping" CLI command. :param node: Node to run command on. :type node: dict """ vat = VatExecutor() vat.execute_script("show_crypto_device_mapping.vat", node, json_out=False)
def clear_packet_trace_on_all_duts(nodes): """Clear VPP packet trace. :param nodes: Nodes where the packet trace will be cleared. :type nodes: list """ for node in nodes.values(): if node['type'] == NodeType.DUT: vat = VatExecutor() vat.execute_script("clear_trace.vat", node, json_out=False)
def vpp_ipsec_spd_add_entries(node, n_entries, spd_id, priority, inbound, sa_id, raddr_ip): """Create multiple Security Policy Database entries on the VPP node. :param node: VPP node to add SPD entries on. :param n_entries: Number of SPD entries to be added. :param spd_id: SPD ID to add entries on. :param priority: SPD entries priority, higher number = higher priority. :param inbound: If True policy is for inbound traffic, otherwise outbound. :param sa_id: SAD entry ID for first entry. Each subsequent entry will SAD entry ID incremented by 1. :param raddr_ip: Policy selector remote IPv4 start address for the first entry. Remote IPv4 end address will be calculated depending on raddr_range parameter. Each subsequent entry will have start address next after IPv4 end address of previous entry. :type node: dict :type n_entries: int :type spd_id: int :type priority: int :type inbound: bool :type sa_id: int :type raddr_ip: string """ tmp_filename = '/tmp/ipsec_spd_{0}_add_del_entry.script'.format(sa_id) with open(tmp_filename, 'w') as tmp_file: for i in range(0, n_entries): raddr_s = ip_address(unicode(raddr_ip)) + i raddr_e = ip_address(unicode(raddr_ip)) + (i + 1) - 1 tunnel = ( 'exec ipsec policy add spd {spd_id} priority {priority} ' '{direction} action protect sa {sa_id} ' 'remote-ip-range {raddr_s} - {raddr_e} ' 'local-ip-range 0.0.0.0 - 255.255.255.255\n'.format( spd_id=spd_id, priority=priority, direction='inbound' if inbound else 'outbound', sa_id=sa_id + i, raddr_s=raddr_s, raddr_e=raddr_e)) tmp_file.write(tunnel) vat = VatExecutor() vat.execute_script(tmp_filename, node, timeout=300, json_out=False, copy_on_execute=True) os.remove(tmp_filename)
def vpp_get_nat_static_mappings(node): """Get NAT static mappings from VPP node. :param node: VPP node. :type node: dict :returns: List of static mappings. :rtype: list :raises RuntimeError: If the output is not as expected. """ vat = VatExecutor() # JSON output not supported for this command vat.execute_script('snat/snat_mapping_dump.vat', node, json_out=False) stdout = vat.get_script_stdout() lines = stdout.split("\n") data = [] # lines[0,1] are table and column headers for line in lines[2::]: # Ignore extra data after NAT table if "snat_static_mapping_dump error: Misc" in line or "vat#" in line: continue items = line.split(" ") while "" in items: items.remove("") if len(items) == 0: continue elif len(items) == 4: # no ports were returned data.append({ "local_address": items[0], "remote_address": items[1], "vrf": items[2], "protocol": items[3] }) elif len(items) == 6: data.append({ "local_address": items[0], "local_port": items[1], "remote_address": items[2], "remote_port": items[3], "vrf": items[4], "protocol": items[5] }) else: raise RuntimeError("Unexpected output from snat_mapping_dump.") return data
def vpp_show_interfaces(node): """Run "show interface" CLI command. :param node: Node to run command on. :type node: dict """ vat = VatExecutor() vat.execute_script("show_interface.vat", node, json_out=False) try: vat.script_should_have_passed() except AssertionError: raise RuntimeError( 'Failed to get VPP interfaces on host: {name}'.format( name=node['host']))
def vpp_ipsec_spd_add_entries(node, n_entries, spd_id, priority, inbound, sa_id, raddr_ip, raddr_range): """Create multiple Security Policy Database entries on the VPP node. :param node: VPP node to add SPD entries on. :param n_entries: Number of SPD entries to be added. :param spd_id: SPD ID to add entries on. :param priority: SPD entries priority, higher number = higher priority. :param inbound: If True policy is for inbound traffic, otherwise outbound. :param sa_id: SAD entry ID for first entry. Each subsequent entry will SAD entry ID incremented by 1. :param raddr_ip: Policy selector remote IPv4 start address for the first entry. Remote IPv4 end address will be calculated depending on raddr_range parameter. Each subsequent entry will have start address next after IPv4 end address of previous entry. :param raddr_range: Mask specifying range of Policy selector Remote IPv4 addresses. Valid values are from 1 to 32. :type node: dict :type n_entries: int :type spd_id: int :type priority: int :type inbound: bool :type sa_id: int :type raddr_ip: string :type raddr_range: int """ tmp_filename = '/tmp/ipsec_spd_{0}_add_del_entry.script'.format(sa_id) direction = 'inbound' if inbound else 'outbound' addr_incr = 1 << (32 - raddr_range) addr_ip = int(ip_address(unicode(raddr_ip))) start_str = 'ipsec_spd_add_del_entry spd_id {0} priority {1} {2} ' \ 'action protect sa_id'.format(spd_id, priority, direction) with open(tmp_filename, 'w') as tmp_file: for i in range(0, n_entries): r_ip_s = ip_address(addr_ip + addr_incr * i) r_ip_e = ip_address(addr_ip + addr_incr * (i + 1) - 1) buf_str = '{0} {1} raddr_start {2} raddr_stop {3}\n'.format( start_str, sa_id + i, r_ip_s, r_ip_e) tmp_file.write(buf_str) vat = VatExecutor() vat.execute_script(tmp_filename, node, timeout=300, json_out=False, copy_on_execute=True) os.remove(tmp_filename)
def vpp_ipsec_set_ip_route(node, n_tunnels, tunnel_src, traffic_addr, tunnel_dst, interface, raddr_range): """Set IP address and route on interface. :param node: VPP node to add config on. :param n_tunnels: Number of tunnels to create. :param tunnel_src: Tunnel header source IPv4 or IPv6 address. :param traffic_addr: Traffic destination IP address to route. :param tunnel_dst: Tunnel header destination IPv4 or IPv6 address. :param interface: Interface key on node 1. :param raddr_range: Mask specifying range of Policy selector Remote IPv4 addresses. Valid values are from 1 to 32. :type node: dict :type n_tunnels: int :type tunnel_src: str :type traffic_addr: str :type tunnel_dst: str :type interface: str :type raddr_range: int """ tmp_filename = '/tmp/ipsec_set_ip.script' addr_incr = 1 << (32 - raddr_range) with open(tmp_filename, 'w') as tmp_file: for i in range(0, n_tunnels): conf = ( 'exec set interface ip address {interface} {laddr}/24\n' 'exec ip route add {taddr}/32 via {raddr} {interface}\n'. format( interface=Topology.get_interface_name(node, interface), laddr=ip_address(unicode(tunnel_src)) + i * addr_incr, raddr=ip_address(unicode(tunnel_dst)) + i * addr_incr, taddr=ip_address(unicode(traffic_addr)) + i)) tmp_file.write(conf) vat = VatExecutor() vat.execute_script(tmp_filename, node, timeout=300, json_out=False, copy_on_execute=True) os.remove(tmp_filename)
def vpp_get_nat_interfaces(node): """Get list of interfaces configured with NAT from VPP node. :param node: VPP node. :type node: dict :returns: List of interfaces on the node that are configured with NAT. :rtype: list :raises RuntimeError: If the output is not as expected. """ vat = VatExecutor() # JSON output not supported for this command vat.execute_script('snat/snat_interface_dump.vat', node, json_out=False) stdout = vat.get_script_stdout() lines = stdout.split("\n") data = [] for line in lines: items = line.split(" ") for trash in ("", "vat#"): while trash in items: items.remove(trash) if len(items) == 0: continue elif len(items) == 3: data.append({ # items[0] is the table header - "sw_if_index" "sw_if_index": items[1], "direction": items[2] }) else: raise RuntimeError( "Unexpected output from snat_interface_dump.") return data
def vpp_enable_traces_on_dut(node): """Enable vpp packet traces on the DUT node. :param node: DUT node to set up. :type node: dict """ vat = VatExecutor() vat.execute_script("enable_dpdk_traces.vat", node, json_out=False) vat.execute_script("enable_vhost_user_traces.vat", node, json_out=False) vat.execute_script("enable_memif_traces.vat", node, json_out=False)
def vpp_ipsec_add_sad_entries(node, n_entries, sad_id, spi, crypto_alg, crypto_key, integ_alg, integ_key, tunnel_src=None, tunnel_dst=None): """Create multiple Security Association Database entries on VPP node. :param node: VPP node to add SAD entry on. :param n_entries: Number of SAD entries to be created. :param sad_id: First SAD entry ID. All subsequent SAD entries will have id incremented by 1. :param spi: Security Parameter Index of first SAD entry. All subsequent SAD entries will have spi incremented by 1. :param crypto_alg: The encryption algorithm name. :param crypto_key: The encryption key string. :param integ_alg: The integrity algorithm name. :param integ_key: The integrity key string. :param tunnel_src: Tunnel header source IPv4 or IPv6 address. If not specified ESP transport mode is used. :param tunnel_dst: Tunnel header destination IPv4 or IPv6 address. If not specified ESP transport mode is used. :type node: dict :type n_entries: int :type sad_id: int :type spi: int :type crypto_alg: CryptoAlg :type crypto_key: str :type integ_alg: IntegAlg :type integ_key: str :type tunnel_src: str :type tunnel_dst: str """ tmp_filename = '/tmp/ipsec_sad_{0}_add_del_entry.script'.format(sad_id) addr_incr = 1 << (32 - 24) with open(tmp_filename, 'w') as tmp_file: for i in range(0, n_entries): integ = '' if not crypto_alg.alg_name.startswith('aes-gcm-'): integ = ( 'integ-alg {integ_alg} integ-key {integ_key}'.format( integ_alg=integ_alg.alg_name, integ_key=integ_key)) tunnel = ('tunnel-src {laddr} tunnel-dst {raddr}'.format( laddr=ip_address(unicode(tunnel_src)) + i * addr_incr, raddr=ip_address(unicode(tunnel_dst)) + i * addr_incr) if tunnel_src and tunnel_dst is not None else '') conf = ('exec ipsec sa add {sad_id} esp spi {spi} ' 'crypto-alg {crypto_alg} crypto-key {crypto_key} ' '{integ} {tunnel}\n'.format( sad_id=sad_id + i, spi=spi + i, crypto_alg=crypto_alg.alg_name, crypto_key=crypto_key, integ=integ, tunnel=tunnel)) tmp_file.write(conf) vat = VatExecutor() vat.execute_script(tmp_filename, node, timeout=300, json_out=False, copy_on_execute=True) os.remove(tmp_filename)
def vpp_ipsec_create_tunnel_interfaces(node1, node2, if1_ip_addr, if2_ip_addr, if1_key, if2_key, n_tunnels, crypto_alg, crypto_key, integ_alg, integ_key, raddr_ip1, raddr_ip2, raddr_range): """Create multiple IPsec tunnel interfaces between two VPP nodes. :param node1: VPP node 1 to create tunnel interfaces. :param node2: VPP node 2 to create tunnel interfaces. :param if1_ip_addr: VPP node 1 interface IP4 address. :param if2_ip_addr: VPP node 2 interface IP4 address. :param if1_key: VPP node 1 interface key from topology file. :param if2_key: VPP node 2 interface key from topology file. :param n_tunnels: Number of tunnell interfaces to create. :param crypto_alg: The encryption algorithm name. :param crypto_key: The encryption key string. :param integ_alg: The integrity algorithm name. :param integ_key: The integrity key string. :param raddr_ip1: Policy selector remote IPv4 start address for the first tunnel in direction node1->node2. :param raddr_ip2: Policy selector remote IPv4 start address for the first tunnel in direction node2->node1. :param raddr_range: Mask specifying range of Policy selector Remote IPv4 addresses. Valid values are from 1 to 32. :type node1: dict :type node2: dict :type if1_ip_addr: str :type if2_ip_addr: str :type if1_key: str :type if2_key: str :type n_tunnels: int :type crypto_alg: CryptoAlg :type crypto_key: str :type integ_alg: IntegAlg :type integ_key: str :type raddr_ip1: string :type raddr_ip2: string :type raddr_range: int """ spi_1 = 10000 spi_2 = 20000 raddr_ip1_i = int(ip_address(unicode(raddr_ip1))) raddr_ip2_i = int(ip_address(unicode(raddr_ip2))) addr_incr = 1 << (32 - raddr_range) tmp_fn1 = '/tmp/ipsec_create_tunnel_dut1.config' tmp_fn2 = '/tmp/ipsec_create_tunnel_dut2.config' ckey = crypto_key.encode('hex') ikey = integ_key.encode('hex') vat = VatExecutor() with open(tmp_fn1, 'w') as tmp_f1, open(tmp_fn2, 'w') as tmp_f2: for i in range(0, n_tunnels): integ = '' if crypto_alg.alg_name != 'aes-gcm-128': integ = 'integ_alg {integ_alg} '\ 'local_integ_key {local_integ_key} '\ 'remote_integ_key {remote_integ_key} '\ .format(integ_alg=integ_alg.alg_name, local_integ_key=ikey, remote_integ_key=ikey) dut1_tunnel = 'ipsec_tunnel_if_add_del '\ 'local_spi {local_spi} '\ 'remote_spi {remote_spi} '\ 'crypto_alg {crypto_alg} '\ 'local_crypto_key {local_crypto_key} '\ 'remote_crypto_key {remote_crypto_key} '\ '{integ} '\ 'local_ip {local_ip} '\ 'remote_ip {remote_ip}\n'\ .format(local_spi=spi_1+i, remote_spi=spi_2+i, crypto_alg=crypto_alg.alg_name, local_crypto_key=ckey, remote_crypto_key=ckey, integ=integ, local_ip=if1_ip_addr, remote_ip=if2_ip_addr) dut2_tunnel = 'ipsec_tunnel_if_add_del '\ 'local_spi {local_spi} '\ 'remote_spi {remote_spi} '\ 'crypto_alg {crypto_alg} '\ 'local_crypto_key {local_crypto_key} '\ 'remote_crypto_key {remote_crypto_key} '\ '{integ} '\ 'local_ip {local_ip} '\ 'remote_ip {remote_ip}\n'\ .format(local_spi=spi_2+i, remote_spi=spi_1+i, crypto_alg=crypto_alg.alg_name, local_crypto_key=ckey, remote_crypto_key=ckey, integ=integ, local_ip=if2_ip_addr, remote_ip=if1_ip_addr) tmp_f1.write(dut1_tunnel) tmp_f2.write(dut2_tunnel) vat.execute_script(tmp_fn1, node1, timeout=300, json_out=False, copy_on_execute=True) vat.execute_script(tmp_fn2, node2, timeout=300, json_out=False, copy_on_execute=True) os.remove(tmp_fn1) os.remove(tmp_fn2) with open(tmp_fn1, 'w') as tmp_f1, open(tmp_fn2, 'w') as tmp_f2: for i in range(0, n_tunnels): raddr_ip1 = ip_address(raddr_ip1_i + addr_incr * i) raddr_ip2 = ip_address(raddr_ip2_i + addr_incr * i) dut1_if = Topology.get_interface_name(node1, if1_key) dut1 = 'ip_add_del_route {raddr}/{mask} via {addr} ipsec{i}\n'\ 'exec set interface unnumbered ipsec{i} use {uifc}\n'\ 'sw_interface_set_flags ipsec{i} admin-up\n'\ .format(raddr=raddr_ip2, mask=raddr_range, addr=if2_ip_addr, i=i, uifc=dut1_if) dut2_if = Topology.get_interface_name(node2, if2_key) dut2 = 'ip_add_del_route {raddr}/{mask} via {addr} ipsec{i}\n'\ 'exec set interface unnumbered ipsec{i} use {uifc}\n'\ 'sw_interface_set_flags ipsec{i} admin-up\n'\ .format(raddr=raddr_ip1, mask=raddr_range, addr=if1_ip_addr, i=i, uifc=dut2_if) tmp_f1.write(dut1) tmp_f2.write(dut2) vat.execute_script(tmp_fn1, node1, timeout=300, json_out=False, copy_on_execute=True) vat.execute_script(tmp_fn2, node2, timeout=300, json_out=False, copy_on_execute=True) os.remove(tmp_fn1) os.remove(tmp_fn2)
def vpp_ipsec_create_tunnel_interfaces(nodes, if1_ip_addr, if2_ip_addr, if1_key, if2_key, n_tunnels, crypto_alg, integ_alg, raddr_ip1, raddr_ip2, raddr_range): """Create multiple IPsec tunnel interfaces between two VPP nodes. :param nodes: VPP nodes to create tunnel interfaces. :param if1_ip_addr: VPP node 1 interface IP4 address. :param if2_ip_addr: VPP node 2 interface IP4 address. :param if1_key: VPP node 1 interface key from topology file. :param if2_key: VPP node 2 interface key from topology file. :param n_tunnels: Number of tunnell interfaces to create. :param crypto_alg: The encryption algorithm name. :param integ_alg: The integrity algorithm name. :param raddr_ip1: Policy selector remote IPv4 start address for the first tunnel in direction node1->node2. :param raddr_ip2: Policy selector remote IPv4 start address for the first tunnel in direction node2->node1. :param raddr_range: Mask specifying range of Policy selector Remote IPv4 addresses. Valid values are from 1 to 32. :type nodes: dict :type if1_ip_addr: str :type if2_ip_addr: str :type if1_key: str :type if2_key: str :type n_tunnels: int :type crypto_alg: CryptoAlg :type integ_alg: IntegAlg :type raddr_ip1: string :type raddr_ip2: string :type raddr_range: int """ spi_1 = 100000 spi_2 = 200000 addr_incr = 1 << (32 - raddr_range) tmp_fn1 = '/tmp/ipsec_create_tunnel_dut1.config' tmp_fn2 = '/tmp/ipsec_create_tunnel_dut2.config' vat = VatExecutor() with open(tmp_fn1, 'w') as tmp_f1, open(tmp_fn2, 'w') as tmp_f2: for i in range(0, n_tunnels): ckey = gen_key(IPsecUtil.get_crypto_alg_key_len(crypto_alg)) ikey = gen_key(IPsecUtil.get_integ_alg_key_len(integ_alg)) integ = '' if not crypto_alg.alg_name.startswith('aes-gcm-'): integ = ('integ_alg {integ_alg} ' 'local_integ_key {local_integ_key} ' 'remote_integ_key {remote_integ_key} '.format( integ_alg=integ_alg.alg_name, local_integ_key=ikey, remote_integ_key=ikey)) tmp_f1.write( 'exec set interface ip address {uifc} {laddr}/24\n' 'ipsec_tunnel_if_add_del ' 'local_spi {local_spi} ' 'remote_spi {remote_spi} ' 'crypto_alg {crypto_alg} ' 'local_crypto_key {local_crypto_key} ' 'remote_crypto_key {remote_crypto_key} ' '{integ} ' 'local_ip {laddr} ' 'remote_ip {raddr}\n'.format( local_spi=spi_1 + i, remote_spi=spi_2 + i, crypto_alg=crypto_alg.alg_name, local_crypto_key=ckey, remote_crypto_key=ckey, integ=integ, laddr=ip_address(unicode(if1_ip_addr)) + i * addr_incr, raddr=ip_address(unicode(if2_ip_addr)) + i * addr_incr, uifc=Topology.get_interface_name( nodes['DUT1'], if1_key))) tmp_f2.write( 'exec set interface ip address {uifc} {laddr}/24\n' 'ipsec_tunnel_if_add_del ' 'local_spi {local_spi} ' 'remote_spi {remote_spi} ' 'crypto_alg {crypto_alg} ' 'local_crypto_key {local_crypto_key} ' 'remote_crypto_key {remote_crypto_key} ' '{integ} ' 'local_ip {laddr} ' 'remote_ip {raddr}\n'.format( local_spi=spi_2 + i, remote_spi=spi_1 + i, crypto_alg=crypto_alg.alg_name, local_crypto_key=ckey, remote_crypto_key=ckey, integ=integ, laddr=ip_address(unicode(if2_ip_addr)) + i * addr_incr, raddr=ip_address(unicode(if1_ip_addr)) + i * addr_incr, uifc=Topology.get_interface_name( nodes['DUT2'], if2_key))) vat.execute_script(tmp_fn1, nodes['DUT1'], timeout=300, json_out=False, copy_on_execute=True) vat.execute_script(tmp_fn2, nodes['DUT2'], timeout=300, json_out=False, copy_on_execute=True) os.remove(tmp_fn1) os.remove(tmp_fn2) with open(tmp_fn1, 'w') as tmp_f1, open(tmp_fn2, 'w') as tmp_f2: for i in range(0, n_tunnels): tmp_f1.write( 'exec set interface unnumbered ipsec{i} use {uifc}\n' 'exec set interface state ipsec{i} up\n' 'exec ip route add {taddr}/32 via {raddr} ipsec{i}\n'. format(taddr=ip_address(unicode(raddr_ip2)) + i, raddr=ip_address(unicode(if2_ip_addr)) + i * addr_incr, i=i, uifc=Topology.get_interface_name( nodes['DUT1'], if1_key))) tmp_f2.write( 'exec set interface unnumbered ipsec{i} use {uifc}\n' 'exec set interface state ipsec{i} up\n' 'exec ip route add {taddr}/32 via {raddr} ipsec{i}\n'. format(taddr=ip_address(unicode(raddr_ip1)) + i, raddr=ip_address(unicode(if1_ip_addr)) + i * addr_incr, i=i, uifc=Topology.get_interface_name( nodes['DUT2'], if2_key))) vat.execute_script(tmp_fn1, nodes['DUT1'], timeout=300, json_out=False, copy_on_execute=True) vat.execute_script(tmp_fn2, nodes['DUT2'], timeout=300, json_out=False, copy_on_execute=True) os.remove(tmp_fn1) os.remove(tmp_fn2)