Add test Shadow Router

Signed-off-by: francescomessina <francescomessina92@hotmail.com>

Author: francescomessina

src/services/pcn-router/test/test_shadow/test1.sh

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+#!/bin/bash
+
+source "${BASH_SOURCE%/*}/../helpers.bash"
+
+function cleanup {
+  set +e
+  del_routers 1
+}
+trap cleanup EXIT
+
+set -x
+set -e
+
+# Create the router r1
+polycubectl router add r1 shadow=true
+# Check if the namespace is created
+sudo ip netns ls
+
+# Add port p1
+router_add_port r1 p1 10.0.0.1 255.255.255.0
+sudo ip netns exec pcn-r1 ip -c a
+
+# Change the Ip address of the p1 port from Linux
+sudo ip netns exec pcn-r1 ifconfig p1 10.0.0.2/24
+polycubectl router r1 ports p1 show
+
+# Add route from Linux
+sudo ip netns exec pcn-r1 ip route add 30.0.0.0/24 dev p1
+polycubectl router r1 route show

src/services/pcn-router/test/test_shadow/test2.sh

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+#! /bin/bash
+# 			    TOPOLOGY
+#	+------+				+------+
+#	|  r1  |--------------------------------|  r2  |
+#	+------+ p1:10.0.0.1	    p2:10.0.0.2 +------+
+#
+#
+
+source "${BASH_SOURCE%/*}/../helpers.bash"
+
+function cleanup {
+  set +e
+  del_routers 2
+}
+trap cleanup EXIT
+
+set -x
+set -e
+# Create the routers and connect them
+polycubectl router add r1 shadow=true
+polycubectl router add r2 # the router r2 can also be shadow, it is the same
+connect_router_p_to_p r1 r2 0
+
+# Ping from inside r1 to r2
+sudo ip netns exec pcn-r1 ping 10.0.0.2 -c 3 -i 0.5

src/services/pcn-router/test/test_shadow/test3.sh

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+#! /bin/bash
+# 			  TOPOLOGY
+#
+#
+#
+#                         +------+
+#             veth1 ------|  r1  |------- veth2
+#                         +------+
+#                             |
+#                             |
+#                             |
+#                           veth3
+
+
+source "${BASH_SOURCE%/*}/../helpers.bash"
+
+function cleanup {
+  set +e
+  del_routers 1
+  delete_veth 3
+}
+trap cleanup EXIT
+
+# Create 3 namespaces
+# - "ns1", attached to the interface veth1. Such a network interface has
+#   ip address  10.0.1.1/24, while the address  10.0.1.254 is set as a default gateway
+# - "ns2", attached to the interface veth2. Such a network interface has
+#   ip address  10.0.2.1/24, while the address  10.0.2.254 is set as a default gateway
+# - "ns3", attached to the interface veth1. Such a network interface has
+#   ip address  10.0.3.1/24, while the address  10.0.3.254 is set as a default gateway
+set -x
+create_veth_net 3
+
+# You can use the following commands to check that everything has been set up correctly
+
+# sudo ip netns ls
+# sudo ip netns exec ns3 [command]
+
+set -e
+
+# Create the router r1 (shadow)
+polycubectl router add r1 shadow=true
+
+# Attaches the three ports to the router
+router_add_port_as_gateway r1 veth1 1
+router_add_port_as_gateway r1 veth2 2
+router_add_port_as_gateway r1 veth3 3
+
+# All the namespaces try to ping each other
+ping_cycle 3
+
+# Active span mode
+polycubectl router r1 set span=true
+
+# Ping again with span mode active
+echo "enable Wireshark or Tcpdump"
+sleep 15
+ping_cycle 3

src/services/pcn-router/test/test_shadow/test4.sh

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+#! /bin/bash
+# 			  TOPOLOGY
+#
+#          +-----------+
+#          | namespace |
+#          +-----------+
+#                ||
+# Linux          ||
+#________________||__________________
+#                ||
+# Polycube       ||
+#             +------+
+#             |  r1  |
+#             +------+
+#
+
+source "${BASH_SOURCE%/*}/../helpers.bash"
+
+function cleanup {
+  set +e
+  del_routers 1
+}
+trap cleanup EXIT
+
+set -x
+set -e
+
+# Create the router r1 (shadow) and the port p1
+polycubectl router add r1 shadow=true
+router_add_port r1 p1 10.0.0.1 255.255.255.0
+
+# Show router r1
+polycubectl router r1 show
+
+# Change the Ip address of the p1 port from Linux
+sudo ip netns exec pcn-r1 ifconfig p1 192.168.0.1/24
+polycubectl router r1 show
+
+# Add route from Linux
+sudo ip netns exec pcn-r1 ip route add 30.0.0.0/24 dev p1
+polycubectl router r1 show
+
+# Remove route from Linux
+sudo ip netns exec pcn-r1 ip route del 30.0.0.0/24 dev p1
+polycubectl router r1 show