CSIT-184: Add Honeycomb sub-interface ipv4 tests

 - add tests for sub-interface ipv4 support
 - add keywords and methods used in tests

Change-Id: I98af193a4c4f0d3822eb9637f01acead37accb8c
Signed-off-by: selias <samelias@cisco.com>

3 files changed, 188 insertions, 2 deletions

diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index ace4453e54..2e44e913aa 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -227,7 +227,7 @@ class InterfaceUtil(object):
          Note: A single interface may have multiple IP addresses assigned.
          :rtype: list
         """
-        sw_if_index = Topology.get_interface_sw_index(node, interface)
+        sw_if_index = InterfaceUtil.get_sw_if_index(node, interface)
 
         with VatTerminal(node) as vat:
             response = vat.vat_terminal_exec_cmd_from_template(
diff --git a/resources/libraries/python/honeycomb/HcAPIKwInterfaces.py b/resources/libraries/python/honeycomb/HcAPIKwInterfaces.py
index ec928a7567..4feb22e90a 100644
--- a/resources/libraries/python/honeycomb/HcAPIKwInterfaces.py
+++ b/resources/libraries/python/honeycomb/HcAPIKwInterfaces.py
@@ -308,7 +308,7 @@ class InterfaceKeywords(object):
         :param node: Honeycomb node.
         :param interface: The name of interface.
         :type interface: str
-        :type param: str
+        :type node: dict
         :return: Operational data about bridge domain settings in the
         interface.
         :rtype: dict
@@ -390,6 +390,7 @@ class InterfaceKeywords(object):
         :type network: str or int
         :return: Content of response.
         :rtype: bytearray
+        :raises HoneycombError: If the provided netmask or prefix is not valid.
         """
 
         path = ("interfaces", ("interface", "name", interface), "ietf-ip:ipv4")
@@ -417,6 +418,7 @@ class InterfaceKeywords(object):
         :type network: str or int
         :return: Content of response.
         :rtype: bytearray
+        :raises HoneycombError: If the provided netmask or prefix is not valid.
         """
 
         path = ("interfaces", ("interface", "name", interface), "ietf-ip:ipv4",
@@ -1157,6 +1159,71 @@ class InterfaceKeywords(object):
                                  "information about the tag-rewrite.")
 
     @staticmethod
+    def add_ipv4_address_to_sub_interface(node, super_interface, identifier,
+                                          ip_addr, network):
+        """Add an ipv4 address to the specified sub-interface, with the provided
+        netmask or network prefix length. Any existing ipv4 addresses on the
+        sub-interface will be replaced.
+
+        :param node: Honeycomb node.
+        :param super_interface: Super interface.
+        :param identifier: The ID of sub-interface.
+        :param ip_addr: IPv4 address to be set.
+        :param network: Network mask or network prefix length.
+        :type node: dict
+        :type super_interface: str
+        :type identifier: int
+        :type ip_addr: str
+        :type network: str or int
+        :return: Content of response.
+        :rtype: bytearray
+        :raises HoneycombError: If the provided netmask or prefix is not valid.
+        """
+
+        path = ("interfaces",
+                ("interface", "name", super_interface),
+                "vpp-vlan:sub-interfaces",
+                ("sub-interface", "identifier", int(identifier)),
+                "ipv4")
+
+        if isinstance(network, basestring):
+            address = {"address": [{"ip": ip_addr, "netmask": network}, ]}
+
+        elif isinstance(network, int) and 0 < network < 33:
+            address = {"address": [{"ip": ip_addr, "prefix-length": network}, ]}
+
+        else:
+            raise HoneycombError("{0} is not a valid netmask or prefix length."
+                                 .format(network))
+
+        return InterfaceKeywords._set_interface_properties(
+            node, super_interface, path, address)
+
+    @staticmethod
+    def remove_all_ipv4_addresses_from_sub_interface(node, super_interface,
+                                                     identifier):
+        """Remove all ipv4 addresses from the specified sub-interface.
+
+        :param node: Honeycomb node.
+        :param super_interface: Super interface.
+        :param identifier: The ID of sub-interface.
+        :type node: dict
+        :type super_interface: str
+        :type identifier: int
+        :return: Content of response.
+        :rtype: bytearray
+        """
+
+        path = ("interfaces",
+                ("interface", "name", super_interface),
+                "vpp-vlan:sub-interfaces",
+                ("sub-interface", "identifier", int(identifier)),
+                "ipv4", "address")
+
+        return InterfaceKeywords._set_interface_properties(
+            node, super_interface, path, None)
+
+    @staticmethod
     def compare_data_structures(data, ref):
         """Checks if data obtained from UUT is as expected.
 
diff --git a/resources/libraries/robot/honeycomb/sub_interface.robot b/resources/libraries/robot/honeycomb/sub_interface.robot
index bdadad8b8b..e4844deabb 100644
--- a/resources/libraries/robot/honeycomb/sub_interface.robot
+++ b/resources/libraries/robot/honeycomb/sub_interface.robot
@@ -447,3 +447,122 @@
 | | ...
 | | ${sw_if_index}= | interfaceCLI.Get sw if index | ${node} | ${sub_interface}
 | | L2 tag rewrite | ${node} | ${sw_if_index} | disable
+
+| Honeycomb sets sub-interface ipv4 address
+| | [Documentation] | Uses Honeycomb API to configure an ipv4 address on the\
+| | ... | spcified sub-interface. Replaces any existing ipv4 addresses.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - Information about a DUT node. Type: dictionary
+| | ... | - super_if - Super-interface. Type: string
+| | ... | - identifier - Sub-interface ID. Type: integer or string
+| | ... | - address - IPv4 address to set. Type: string
+| | ... | - prefix - IPv4 network prefix length to set. Type: integer
+| | ...
+| | ... | *Example:*
+| | ... | \| | Honeycomb sets sub-interface ipv4 address\
+| | ... | \| ${nodes['DUT1']} \| GigabitEthernet0/8/0 \| ${1} \
+| | ... | \| 192.168.0.2 \| ${24} \|
+| | ...
+| | [Arguments] | ${node} | ${super_if} | ${identifier} | ${address} | ${prefix}
+| | Add ipv4 address to sub_interface
+| | ... | ${node} | ${super_if} | ${identifier} | ${address} | ${prefix}
+
+| Sub-interface ipv4 address from Honeycomb should be
+| | [Documentation] | Uses Honeycomb API to verify ipv4 address configuration\
+| | ... | on the specified sub-interface.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - Information about a DUT node. Type: dictionary
+| | ... | - super_if - Super-interface. Type: string
+| | ... | - identifier - Sub-interface ID. Type: integer or string
+| | ... | - address - IPv4 address to expect. Type: string
+| | ... | - prefix - IPv4 network prefix length to expect. Type: integer
+| | ...
+| | ... | *Example:*
+| | ... | \| sub-interface ipv4 address from Honeycomb should be\
+| | ... | \| ${nodes['DUT1']} \| GigabitEthernet0/8/0 \| ${1} \
+| | ... | \| 192.168.0.2 \| ${24} \|
+| | ...
+| | [Arguments] | ${node} | ${super_if} | ${identifier} | ${address} | ${prefix}
+| | ${if_data}= | interfaceAPI.Get sub interface oper data
+| | ... | ${node} | ${super_if} | ${identifier}
+| | Should be equal
+| | ... | ${if_data['ipv4']['address'][0]['ip']} | ${address}
+| | Should be equal
+| | ... | ${if_data['ipv4']['address'][0]['prefix-length']} | ${prefix}
+
+| Sub-interface ipv4 address from VAT should be
+| | [Documentation] | Uses VAT to verify ipv4 address configuration\
+| | ... | on the specified sub-interface.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - Information about a DUT node. Type: dictionary
+| | ... | - sub_interface - Name of an sub-interface on the specified node.\
+| | ... | Type: string
+| | ... | - address - IPv4 address to expect. Type: string
+| | ... | - prefix - IPv4 network prefix length to expect. Type: integer
+| | ...
+| | ... | *Example:*
+| | ... | \| sub-interface ipv4 address from VAT should be\
+| | ... | \| ${nodes['DUT1']} \| GigabitEthernet0/8/0.1 \|
+| | ...
+| | [Arguments] | ${node} | ${sub_interface} | ${address} | ${prefix}
+| | ${data}= | VPP get interface ip addresses
+| | ... | ${node} | ${sub_interface} | ipv4
+| | Should be equal | ${data[0]['ip']} | ${address}
+#TODO: update based on resolution of bug https://jira.fd.io/browse/VPP-132
+| | Should be equal | ${data[0]['prefix_length']} | ${prefix}
+
+| Honeycomb removes all sub-interface ipv4 addresses
+| | [Documentation] | Uses Honeycomb API to remove all configured ipv4\
+| | ... | addresses from the sub-interface.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - Information about a DUT node. Type: dictionary
+| | ... | - super_if - Super-interface. Type: string
+| | ... | - identifier - Sub-interface ID. Type: integer or string
+| | ...
+| | ... | *Example:*
+| | ... | \| Honeycomb removes all sub-interface ipv4 addresses\
+| | ... | \| ${nodes['DUT1']} \| GigabitEthernet0/8/0 \| ${1} \|
+| | ...
+| | [Arguments] | ${node} | ${super_if} | ${identifier}
+| | Remove all ipv4 addresses from sub_interface
+| | ... | ${node} | ${super_if} | ${identifier}
+
+| Sub-interface ipv4 address from Honeycomb should be empty
+| | [Documentation] | Uses Honeycomb API to verify that ipv4 address\
+| | ... | configuration on the specified sub-interface is empty.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - Information about a DUT node. Type: dictionary
+| | ... | - super_if - Super-interface. Type: string
+| | ... | - identifier - Sub-interface ID. Type: integer or string
+| | ...
+| | ... | *Example:*
+| | ... | \| sub-interface ipv4 address from Honeycomb should be empty\
+| | ... | \| ${nodes['DUT1']} \| GigabitEthernet0/8/0 \| ${1} \|
+| | ...
+| | [Arguments] | ${node} | ${super_if} | ${identifier}
+| | ${if_data}= | interfaceAPI.Get sub interface oper data
+| | ... | ${node} | ${super_if} | ${identifier}
+| | Run keyword and expect error | *KeyError: 'address'*
+| | ... | Set Variable | ${if_data['ipv4']['address'][0]['ip']}
+
+| Sub-interface ipv4 address from VAT should be empty
+| | [Documentation] | Uses VAT to verify that ipv4 address\
+| | ... | configuration on the specified sub-interface is empty.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - Information about a DUT node. Type: dictionary
+| | ... | - sub_interface - Name of an sub-interface on the specified node.\
+| | ... | Type: string
+| | ...
+| | ... | *Example:*
+| | ... | \| sub-interface ipv4 address from VAT should be empty\
+| | ... | \| ${nodes['DUT1']} \| GigabitEthernet0/8/0.1 \|
+| | ...
+| | [Arguments] | ${node} | ${sub_interface}
+| | Run keyword and expect error | *No JSON object could be decoded*
+| | ... | VPP get interface ip addresses | ${node} | ${sub_interface} | ipv4