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authorMatej Klotton <mklotton@cisco.com>2016-04-28 18:15:49 +0200
committerMatej Klotton <mklotton@cisco.com>2016-05-16 08:57:29 +0000
commit06f37e7ba486c598cf2896c87a82c95b8afe17a4 (patch)
tree9ae53655da9fb1bb4a2c2cd717cc9c9748afba42 /resources/libraries
parentef93cbce8d23d85ade2ba6c446a7cf7b8da5bf1b (diff)
CSIT-18: Add GRE tunnel libraries and tests.
Change-Id: I91ccd65a26ea1782611bccc3badd91e64366a162 Signed-off-by: Matej Klotton <mklotton@cisco.com>
Diffstat (limited to 'resources/libraries')
-rw-r--r--resources/libraries/python/InterfaceUtil.py35
-rw-r--r--resources/libraries/robot/gre.robot123
2 files changed, 157 insertions, 1 deletions
diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 6790fb7221..94250fba28 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -572,7 +572,40 @@ class InterfaceUtil(object):
with VatTerminal(node) as vat:
vat.vat_terminal_exec_cmd('exec show interfaces')
- return '{}.{}'.format(interface, sub_id), sw_subif_index
+ name = '{}.{}'.format(interface, sub_id)
+ return name, sw_subif_index
+
+ @staticmethod
+ def create_gre_tunnel_interface(node, source_ip, destination_ip):
+ """Create GRE tunnel interface on node.
+
+ :param node: VPP node to add tunnel interface.
+ :param source_ip: Source of the GRE tunnel.
+ :param destination_ip: Destination of the GRE tunnel.
+ :type node: dict
+ :type source_ip: str
+ :type destination_ip: str
+ :return: Name and index of created GRE tunnel interface.
+ :rtype: tuple
+ :raises RuntimeError: If unable to create GRE tunnel interface.
+ """
+ output = VatExecutor.cmd_from_template(node, "create_gre.vat",
+ src=source_ip,
+ dst=destination_ip)
+ output = output[0]
+
+ if output["retval"] == 0:
+ sw_if_index = output["sw_if_index"]
+
+ vat_executor = VatExecutor()
+ vat_executor.execute_script_json_out("dump_interfaces.vat", node)
+ interface_dump_json = vat_executor.get_script_stdout()
+ name = VatJsonUtil.get_interface_name_from_json(
+ interface_dump_json, sw_if_index)
+ return name, sw_if_index
+ else:
+ raise RuntimeError('Unable to create GRE tunnel on node {}.'
+ .format(node))
@staticmethod
def vpp_create_loopback(node):
diff --git a/resources/libraries/robot/gre.robot b/resources/libraries/robot/gre.robot
new file mode 100644
index 0000000000..b2036b840d
--- /dev/null
+++ b/resources/libraries/robot/gre.robot
@@ -0,0 +1,123 @@
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/interfaces.robot
+
+*** Keywords ***
+| GRE tunnel interface is created and up
+| | [Documentation] | Create GRE tunnel interface on defined VPP node and put
+| | ... | the interface to UP state.
+| | ...
+| | ... | *Arguments:*
+| | ... | - ${dut_node} - DUT node where to create GRE tunnel. Type: dictionary
+| | ... | - ${source_ip_address} - GRE tunnel source IP address. Type: string
+| | ... | - ${destination_ip_address} - GRE tunnel destination IP address.
+| | ... | Type: string
+| | ...
+| | ... | *Return:*
+| | ... | - ${name} - Name of created GRE tunnel interface. Type: string
+| | ... | - ${index} - SW interface index of created GRE tunnel interface.
+| | ... | Type: integer
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| ${gre_name} \| ${gre_index}= \
+| | ... | \| GRE tunnel interface is created and up \| ${dut} \
+| | ... | \| 192.0.1.1 \| 192.0.1.2 \|
+| | ...
+| | [Arguments] | ${dut_node} | ${source_ip_address} | ${destination_ip_address}
+| | ${name} | ${index}= | Create GRE Tunnel Interface
+| | | | ... | ${dut_node} | ${source_ip_address} | ${destination_ip_address}
+| | Set Interface State | ${dut_node} | ${index} | up
+| | [Return] | ${name} | ${index}
+
+
+| Send ICMPv4 and check received GRE header
+| | [Documentation] | Send ICMPv4 packet and check if received packed contains
+| | ... | correct GRE, IP, MAC headers.
+| | ...
+| | ... | *Arguments:*
+| | ... | - ${tg_node} - Node where to run traffic script. Type: dictionary
+| | ... | - ${tx_if} - Interface from where send ICPMv4 packet. Type: string
+| | ... | - ${rx_if} - Interface where to receive GRE packet. Type: string
+| | ... | - ${tx_dst_mac} - Destination MAC address of ICMP packet. Type: string
+| | ... | - ${rx_dst_mac} - Expected destination MAC address of GRE packet.
+| | ... | Type: string
+| | ... | - ${inner_src_ip} - Source IP address of ICMP packet. Type: string
+| | ... | - ${inner_dst_ip} - Destination IP address of ICMP packet.
+| | ... | Type: string
+| | ... | - ${outer_src_ip} - Source IP address of GRE packet. Type: string
+| | ... | - ${outer_dst_ip} - Destination IP address of GRE packet.
+| | ... | Type: string
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Send ICMPv4 and check received GRE header \
+| | ... | \| ${tg_node} \| ${tg_to_dut_if1} \| ${tg_to_dut_if2} \
+| | ... | \| ${tx_dst_mac} \| ${rx_dst_mac} \| ${net1_host_address} \
+| | ... | \| ${net2_host_address} \| ${dut1_ip_address} \| ${dut2_ip_address} \|
+| | ...
+| | [Arguments] | ${tg_node} | ${tx_if} | ${rx_if}
+| | ... | ${tx_dst_mac} | ${rx_dst_mac}
+| | ... | ${inner_src_ip} | ${inner_dst_ip}
+| | ... | ${outer_src_ip} | ${outer_dst_ip}
+| | ${args}= | Catenate | --tx_if | ${tx_if} | --rx_if | ${rx_if}
+| | | ... | --tx_dst_mac | ${tx_dst_mac} | --rx_dst_mac | ${rx_dst_mac}
+| | | ... | --inner_src_ip | ${inner_src_ip} | --inner_dst_ip | ${inner_dst_ip}
+| | | ... | --outer_src_ip | ${outer_src_ip} | --outer_dst_ip | ${outer_dst_ip}
+| | Run Traffic Script On Node
+| | ... | send_icmp_check_gre_headers.py | ${tg_node} | ${args}
+
+
+| Send GRE and check received ICMPv4 header
+| | [Documentation] | Send ICMPv4 packet and check if received packed contains
+| | ... | correct GRE, IP, MAC headers.
+| | ...
+| | ... | *Arguments:*
+| | ... | - ${tg_node} - Node where to run traffic script. Type: dictionary
+| | ... | - ${tx_if} - Interface from where send ICPMv4 packet. Type: string
+| | ... | - ${rx_if} - Interface where receive GRE packet. Type: string
+| | ... | - ${tx_dst_mac} - Destination MAC address of GRE packet. Type: string
+| | ... | - ${rx_dst_mac} - Expected destination MAC address of ICMP packet.
+| | ... | Type: string
+| | ... | - ${inner_src_ip} - Source IP address of ICMP packet. Type: string
+| | ... | - ${inner_dst_ip} - Destination IP address of ICMP packet.
+| | ... | Type: string
+| | ... | - ${outer_src_ip} - Source IP address of GRE packet. Type: string
+| | ... | - ${outer_dst_ip} - Destination IP address of GRE packet.
+| | ... | Type: string
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Send GRE and check received ICMPv4 header \| ${tg_node} \
+| | ... | \| ${tg_to_dut_if2} \| ${tg_to_dut_if1} \| ${tx_dst_mac} \
+| | ... | \| ${rx_dst_mac} \| ${net2_host_address} \| ${net1_host_address} \
+| | ... | \| ${dut2_ip_address} \| ${dut1_ip_address} \|
+| | ...
+| | [Arguments] | ${tg_node} | ${tx_if} | ${rx_if}
+| | ... | ${tx_dst_mac} | ${rx_dst_mac}
+| | ... | ${inner_src_ip} | ${inner_dst_ip}
+| | ... | ${outer_src_ip} | ${outer_dst_ip}
+| | ${args}= | Catenate | --tx_if | ${tx_if} | --rx_if | ${rx_if}
+| | | ... | --tx_dst_mac | ${tx_dst_mac} | --rx_dst_mac | ${rx_dst_mac}
+| | | ... | --inner_src_ip | ${inner_src_ip} | --inner_dst_ip | ${inner_dst_ip}
+| | | ... | --outer_src_ip | ${outer_src_ip} | --outer_dst_ip | ${outer_dst_ip}
+| | Run Traffic Script On Node
+| | ... | send_gre_check_icmp_headers.py | ${tg_node} | ${args}