X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FCop.py;h=29530b1277298468b976a66522ff2ca44518cadb;hb=e08706e85b412b1307df3789fdbe747b43c2bd95;hp=d875323b9148a2ed392f60cc41bca6073ff5e57f;hpb=fa6ce30bf16d58892d6d54c126373c2b1c9ac885;p=csit.git

diff --git a/resources/libraries/python/Cop.py b/resources/libraries/python/Cop.py
index d875323b91..29530b1277 100644
--- a/resources/libraries/python/Cop.py
+++ b/resources/libraries/python/Cop.py
@@ -17,46 +17,43 @@ from resources.libraries.python.PapiExecutor import PapiSocketExecutor
 from resources.libraries.python.topology import Topology
 
 
-class Cop(object):
+class Cop:
     """COP utilities."""
 
     @staticmethod
-    def cop_add_whitelist_entry(node, interface, ip_format, fib_id,
-                                default_cop=0):
+    def cop_add_whitelist_entry(
+            node, interface, ip_version, fib_id, default_cop=0):
         """Add cop whitelisted entry.
 
         :param node: Node to add COP whitelist on.
         :param interface: Interface of the node where the COP is added.
-        :param ip_format: IP format : ip4 or ip6 are valid formats.
+        :param ip_version: IP version. 'ip4' and 'ip6' are valid values.
         :param fib_id: Specify the fib table ID.
-        :param default_cop: 1 => enable non-ip4, non-ip6 filtration.
+        :param default_cop: 1 => enable non-ip4, non-ip6 filtration,
+            0 => disable it.
         :type node: dict
         :type interface: str
-        :type ip_format: str
+        :type ip_version: str
         :type fib_id: int
         :type default_cop: int
+        :raises ValueError: If parameter 'ip_version' has incorrect value.
         """
-        if ip_format not in ('ip4', 'ip6'):
-            raise ValueError("Ip not in correct format!")
-        ip4 = ip6 = 0
-        if ip_format == 'ip4':
-            ip4 = 1
-        else:
-            ip6 = 1
-        sw_if_index = Topology.get_interface_sw_index(node, interface)
-        cmd = 'cop_whitelist_enable_disable'
-        err_msg = 'Failed to add COP whitelist on ifc {ifc}'\
-                  .format(ifc=interface)
-        args_in = dict(
-            sw_if_index=int(sw_if_index),
+        if ip_version not in (u"ip4", u"ip6"):
+            raise ValueError(u"IP version is not in correct format")
+
+        cmd = u"cop_whitelist_enable_disable"
+        err_msg = f"Failed to add COP whitelist on interface {interface} " \
+            f"on host {node[u'host']}"
+        args = dict(
+            sw_if_index=Topology.get_interface_sw_index(node, interface),
             fib_id=int(fib_id),
-            ip4=ip4,
-            ip6=ip6,
+            ip4=bool(ip_version == u"ip4"),
+            ip6=bool(ip_version == u"ip6"),
             default_cop=default_cop
         )
 
         with PapiSocketExecutor(node) as papi_exec:
-            papi_exec.add(cmd, **args_in).get_reply(err_msg)
+            papi_exec.add(cmd, **args).get_reply(err_msg)
 
     @staticmethod
     def cop_interface_enable_or_disable(node, interface, state):
@@ -64,31 +61,25 @@ class Cop(object):
 
         :param node: Node to add COP whitelist on.
         :param interface: Interface of the node where the COP is added.
-        :param state: disable/enable COP on the interface.
+        :param state: Enable or disable COP on the interface.
         :type node: dict
         :type interface: str
         :type state: str
+        :raises ValueError: If parameter 'state' has incorrect value.
         """
         state = state.lower()
-        if state in ('enable', 'disable'):
-            if state == 'enable':
-                enable_disable = 1
-            else:
-                enable_disable = 0
-            sw_if_index = Topology.get_interface_sw_index(node, interface)
-            cmd = 'cop_interface_enable_disable'
-            err_msg = 'Failed to enable or disable on {ifc}'\
-                      .format(ifc=interface)
-
-            args_in = dict(
-                sw_if_index=int(sw_if_index),
-                enable_disable=enable_disable
-            )
+        if state in (u"enable", u"disable"):
+            enable = bool(state == u"enable")
+        else:
+            raise ValueError(u"Possible state values are 'enable' or 'disable'")
 
-            with PapiSocketExecutor(node) as papi_exec:
-                papi_exec.add(cmd, **args_in).get_reply(err_msg)
+        cmd = u"cop_interface_enable_disable"
+        err_msg = f"Failed to enable/disable COP on interface {interface} " \
+            f"on host {node[u'host']}"
+        args = dict(
+            sw_if_index=Topology.get_interface_sw_index(node, interface),
+            enable_disable=enable
+        )
 
-        else:
-            raise ValueError(
-                "Possible values are 'enable' or 'disable'!"
-            )
+        with PapiSocketExecutor(node) as papi_exec:
+            papi_exec.add(cmd, **args).get_reply(err_msg)