NAT: Add performance testing TRex scripts and config (VPP-832)

Change-Id: I149a20f183b836db4c32fb4e4a8438b3a14c1c26
Signed-off-by: Matus Fabian <matfabia@cisco.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/plugins/nat/extras/nat_static_gen_cfg.py b/src/plugins/nat/extras/nat_static_gen_cfg.py
new file mode 100755
index 00000000000..ff6312aecf6
--- /dev/null
+++ b/src/plugins/nat/extras/nat_static_gen_cfg.py
@@ -0,0 +1,25 @@
+#! /usr/bin/python
+import ipaddress
+import argparse
+
+parser = argparse.ArgumentParser(description='Generate NAT plugin config.')
+parser.add_argument('static_map_num', metavar='N', type=int, nargs=1,
+                    help='number of static mappings')
+args = parser.parse_args()
+
+file_name = 'nat_static_%s' % (args.static_map_num[0])
+outfile = open(file_name, 'w')
+
+outfile.write('set int ip address TenGigabitEthernet4/0/0 172.16.2.1/24\n')
+outfile.write('set int ip address TenGigabitEthernet4/0/1 173.16.1.1/24\n')
+outfile.write('set int state TenGigabitEthernet4/0/0 up\n')
+outfile.write('set int state TenGigabitEthernet4/0/1 up\n')
+outfile.write('ip route add 2.2.0.0/16 via 173.16.1.2 TenGigabitEthernet4/0/1\n')
+outfile.write('ip route add 10.0.0.0/24 via 172.16.2.2 TenGigabitEthernet4/0/0\n')
+outfile.write('set int nat44 in TenGigabitEthernet4/0/0 out TenGigabitEthernet4/0/1\n')
+
+for i in range (0, args.static_map_num[0]):
+    local = str(ipaddress.IPv4Address(u'10.0.0.3') + i)
+    external = str(ipaddress.IPv4Address(u'173.16.1.3') + i)
+    outfile.write('nat44 add static mapping local %s external %s\n' % (local, external))
+