diff options
Diffstat (limited to 'src/plugins/map/examples/gen-rules.py')
| -rwxr-xr-x | src/plugins/map/examples/gen-rules.py | 160 |
1 files changed, 119 insertions, 41 deletions
diff --git a/src/plugins/map/examples/gen-rules.py b/src/plugins/map/examples/gen-rules.py index 7964aa9a359..d22d4633ef6 100755 --- a/src/plugins/map/examples/gen-rules.py +++ b/src/plugins/map/examples/gen-rules.py @@ -20,38 +20,63 @@ import sys # map add domain ip4-pfx <pfx> ip6-pfx ::/0 ip6-src <ip6-src> ea-bits-len 0 psid-offset 6 psid-len 6 # map add rule index <0> psid <psid> ip6-dst <ip6-dst> -def_ip4_pfx = '192.0.2.0/24' -def_ip6_pfx = '2001:db8::/32' -def_ip6_src = '2001:db8::1' +def_ip4_pfx = "192.0.2.0/24" +def_ip6_pfx = "2001:db8::/32" +def_ip6_src = "2001:db8::1" def_psid_offset = 6 def_psid_len = 6 def_ea_bits_len = 0 -parser = argparse.ArgumentParser(description='MAP VPP configuration generator') -parser.add_argument('-t', action="store", dest="mapmode") -parser.add_argument('-f', action="store", dest="format", default="vpp") -parser.add_argument('--ip4-prefix', action="store", dest="ip4_pfx", default=def_ip4_pfx) -parser.add_argument('--ip6-prefix', action="store", dest="ip6_pfx", default=def_ip6_pfx) -parser.add_argument('--ip6-src', action="store", dest="ip6_src", default=def_ip6_src) -parser.add_argument('--psid-len', action="store", dest="psid_len", default=def_psid_len) -parser.add_argument('--psid-offset', action="store", dest="psid_offset", default=def_psid_offset) -parser.add_argument('--ea-bits-len', action="store", dest="ea_bits_len", default=def_ea_bits_len) +parser = argparse.ArgumentParser(description="MAP VPP configuration generator") +parser.add_argument("-t", action="store", dest="mapmode") +parser.add_argument("-f", action="store", dest="format", default="vpp") +parser.add_argument("--ip4-prefix", action="store", dest="ip4_pfx", default=def_ip4_pfx) +parser.add_argument("--ip6-prefix", action="store", dest="ip6_pfx", default=def_ip6_pfx) +parser.add_argument("--ip6-src", action="store", dest="ip6_src", default=def_ip6_src) +parser.add_argument("--psid-len", action="store", dest="psid_len", default=def_psid_len) +parser.add_argument( + "--psid-offset", action="store", dest="psid_offset", default=def_psid_offset +) +parser.add_argument( + "--ea-bits-len", action="store", dest="ea_bits_len", default=def_ea_bits_len +) args = parser.parse_args() # # Print domain # def domain_print(i, ip4_pfx, ip6_pfx, ip6_src, eabits_len, psid_offset, psid_len): - if format == 'vpp': - print("map add domain ip4-pfx " + ip4_pfx + " ip6-pfx", ip6_pfx, "ip6-src " + ip6_src + - " ea-bits-len", eabits_len, "psid-offset", psid_offset, "psid-len", psid_len) - if format == 'confd': - print("vpp softwire softwire-instances softwire-instance", i, "br-ipv6 " + ip6_src + - " ipv6-prefix " + ip6_pfx + " ipv4-prefix " + ip4_pfx + - " ea-bits-len", eabits_len, "psid-offset", psid_offset, "psid-len", psid_len) - if format == 'xml': + if format == "vpp": + print( + "map add domain ip4-pfx " + ip4_pfx + " ip6-pfx", + ip6_pfx, + "ip6-src " + ip6_src + " ea-bits-len", + eabits_len, + "psid-offset", + psid_offset, + "psid-len", + psid_len, + ) + if format == "confd": + print( + "vpp softwire softwire-instances softwire-instance", + i, + "br-ipv6 " + + ip6_src + + " ipv6-prefix " + + ip6_pfx + + " ipv4-prefix " + + ip4_pfx + + " ea-bits-len", + eabits_len, + "psid-offset", + psid_offset, + "psid-len", + psid_len, + ) + if format == "xml": print("<softwire-instance>") - print("<id>", i, "</id>"); + print("<id>", i, "</id>") print(" <br-ipv6>" + ip6_src + "</br-ipv6>") print(" <ipv6-prefix>" + ip6_pfx + "</ipv6-prefix>") print(" <ipv4-prefix>" + ip4_pfx + "</ipv4-prefix>") @@ -59,32 +84,54 @@ def domain_print(i, ip4_pfx, ip6_pfx, ip6_src, eabits_len, psid_offset, psid_len print(" <psid-len>", psid_len, "</psid-len>") print(" <psid-offset>", psid_offset, "</psid-offset>") + def domain_print_end(): - if format == 'xml': + if format == "xml": print("</softwire-instance>") + def rule_print(i, psid, dst): - if format == 'vpp': + if format == "vpp": print("map add rule index", i, "psid", psid, "ip6-dst", dst) - if format == 'confd': + if format == "confd": print("binding", psid, "ipv6-addr", dst) - if format == 'xml': + if format == "xml": print(" <binding>") print(" <psid>", psid, "</psid>") print(" <ipv6-addr>", dst, "</ipv6-addr>") print(" </binding>") + # # Algorithmic mapping Shared IPv4 address # -def algo(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_len, ip6_src_ecmp = False): - domain_print(0, ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_len) +def algo( + ip4_pfx_str, + ip6_pfx_str, + ip6_src_str, + ea_bits_len, + psid_offset, + psid_len, + ip6_src_ecmp=False, +): + domain_print( + 0, ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_len + ) domain_print_end() + # # 1:1 Full IPv4 address # -def lw46(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_len, ip6_src_ecmp = False): +def lw46( + ip4_pfx_str, + ip6_pfx_str, + ip6_src_str, + ea_bits_len, + psid_offset, + psid_len, + ip6_src_ecmp=False, +): ip4_pfx = ipaddress.ip_network(ip4_pfx_str) ip6_src = ipaddress.ip_address(ip6_src_str) ip6_dst = ipaddress.ip_network(ip6_pfx_str) @@ -92,15 +139,26 @@ def lw46(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_l mod = ip4_pfx.num_addresses / 1024 for i in range(ip4_pfx.num_addresses): - domain_print(i, str(ip4_pfx[i]) + "/32", str(ip6_dst[i]) + "/128", str(ip6_src), 0, 0, 0) + domain_print( + i, str(ip4_pfx[i]) + "/32", str(ip6_dst[i]) + "/128", str(ip6_src), 0, 0, 0 + ) domain_print_end() if ip6_src_ecmp and not i % mod: ip6_src = ip6_src + 1 + # # 1:1 Shared IPv4 address, shared BR (16) VPP CLI # -def lw46_shared(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_len, ip6_src_ecmp = False): +def lw46_shared( + ip4_pfx_str, + ip6_pfx_str, + ip6_src_str, + ea_bits_len, + psid_offset, + psid_len, + ip6_src_ecmp=False, +): ip4_pfx = ipaddress.ip_network(ip4_pfx_str) ip6_src = ipaddress.ip_address(ip6_src_str) ip6_dst = ipaddress.ip_network(ip6_pfx_str) @@ -109,7 +167,7 @@ def lw46_shared(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, for i in range(ip4_pfx.num_addresses): domain_print(i, str(ip4_pfx[i]) + "/32", "::/0", str(ip6_src), 0, 0, psid_len) for psid in range(0x1 << int(psid_len)): - rule_print(i, psid, str(ip6_dst[(i * (0x1<<int(psid_len))) + psid])) + rule_print(i, psid, str(ip6_dst[(i * (0x1 << int(psid_len))) + psid])) domain_print_end() if ip6_src_ecmp and not i % mod: ip6_src = ip6_src + 1 @@ -118,7 +176,15 @@ def lw46_shared(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, # # 1:1 Shared IPv4 address, shared BR # -def lw46_shared_b(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_len, ip6_src_ecmp = False): +def lw46_shared_b( + ip4_pfx_str, + ip6_pfx_str, + ip6_src_str, + ea_bits_len, + psid_offset, + psid_len, + ip6_src_ecmp=False, +): ip4_pfx = ipaddress.ip_network(ip4_pfx_str) ip6_src = ipaddress.ip_address(ip6_src_str) ip6_dst = list(ipaddress.ip_network(ip6_pfx_str).subnets(new_prefix=56)) @@ -127,15 +193,16 @@ def lw46_shared_b(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offse for i in range(ip4_pfx.num_addresses): domain_print(i, str(ip4_pfx[i]) + "/32", "::/0", str(ip6_src), 0, 0, psid_len) for psid in range(0x1 << psid_len): - enduserprefix = list(ip6_dst.pop(0).subnets(new_prefix=64))[255-1] - rule_print(i, psid, enduserprefix[(i * (0x1<<psid_len)) + psid]) + enduserprefix = list(ip6_dst.pop(0).subnets(new_prefix=64))[255 - 1] + rule_print(i, psid, enduserprefix[(i * (0x1 << psid_len)) + psid]) domain_print_end() if ip6_src_ecmp and not i % mod: ip6_src = ip6_src + 1 def xml_header_print(): - print(''' + print( + """ <?xml version="1.0" encoding="UTF-8"?> <hello xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"> <capabilities> @@ -156,10 +223,13 @@ def xml_header_print(): <softwire> <softwire-instances> - ''') + """ + ) + def xml_footer_print(): - print(''' + print( + """ </softwire-instances> </softwire> </vpp> @@ -175,12 +245,20 @@ def xml_footer_print(): </rpc> ]]>]]> - ''') + """ + ) format = args.format -if format == 'xml': +if format == "xml": xml_header_print() -globals()[args.mapmode](args.ip4_pfx, args.ip6_pfx, args.ip6_src, args.ea_bits_len, args.psid_offset, args.psid_len) -if format == 'xml': +globals()[args.mapmode]( + args.ip4_pfx, + args.ip6_pfx, + args.ip6_src, + args.ea_bits_len, + args.psid_offset, + args.psid_len, +) +if format == "xml": xml_footer_print() |