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authorTibor Frank <tifrank@cisco.com>2019-05-30 15:18:31 +0200
committerJan Gelety <jgelety@cisco.com>2019-06-04 11:56:26 +0000
commit91237b65fb3aa3409456ff6ad57caab08a3041cc (patch)
tree920384e07425e2bb1ad488298938e276c1443baa /resources/libraries/python/VhostUser.py
parent1568878332fe52d48aa23f205e3c6f94e5c85fb7 (diff)
VAT-to-PAPI: VhostUser
Change-Id: I235d4654b04275877b3c5f4cf49ef5755c3f4985 Signed-off-by: Tibor Frank <tifrank@cisco.com>
Diffstat (limited to 'resources/libraries/python/VhostUser.py')
-rw-r--r--resources/libraries/python/VhostUser.py95
1 files changed, 62 insertions, 33 deletions
diff --git a/resources/libraries/python/VhostUser.py b/resources/libraries/python/VhostUser.py
index 2e0ed1eada..eb004b4ce1 100644
--- a/resources/libraries/python/VhostUser.py
+++ b/resources/libraries/python/VhostUser.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2019 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:
@@ -13,13 +13,41 @@
"""Vhost-user interfaces library."""
-from resources.libraries.python.VatExecutor import VatExecutor, VatTerminal
+import logging
+
+from resources.libraries.python.PapiExecutor import PapiExecutor
from resources.libraries.python.topology import NodeType, Topology
from resources.libraries.python.InterfaceUtil import InterfaceUtil
class VhostUser(object):
- """Vhost-user interfaces"""
+ """Vhost-user interfaces L1 library."""
+
+ @staticmethod
+ def _sw_interface_vhost_user_dump(node):
+ """Get the Vhost-user dump on the given node.
+
+ :param node: Given node to get Vhost dump from.
+ :type node: dict
+ :returns: List of Vhost-user interfaces data extracted from Papi
+ response.
+ :rtype: list
+ """
+ with PapiExecutor(node) as papi_exec:
+ dump = papi_exec.add("sw_interface_vhost_user_dump").get_dump()
+
+ key = "sw_interface_vhost_user_details"
+ data = list()
+ for item in dump.reply[0]["api_reply"]:
+ item[key]["interface_name"] = \
+ item[key]["interface_name"].rstrip('\x00')
+ item[key]["sock_filename"] = \
+ item[key]["sock_filename"].rstrip('\x00')
+ data.append(item)
+
+ logging.debug("VhostUser data:\n{data}".format(data=data))
+
+ return data
@staticmethod
def vpp_create_vhost_user_interface(node, socket):
@@ -31,23 +59,33 @@ class VhostUser(object):
:type socket: str
:returns: SW interface index.
:rtype: int
- :raises RuntimeError: If Vhost-user interface creation failed.
"""
- out = VatExecutor.cmd_from_template(node, 'create_vhost_user_if.vat',
- sock=socket)
- if out[0].get('retval') == 0:
- sw_if_idx = int(out[0].get('sw_if_index'))
- if_key = Topology.add_new_port(node, 'vhost')
- Topology.update_interface_sw_if_index(node, if_key, sw_if_idx)
- ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_if_idx)
- Topology.update_interface_name(node, if_key, ifc_name)
- ifc_mac = InterfaceUtil.vpp_get_interface_mac(node, sw_if_idx)
- Topology.update_interface_mac_address(node, if_key, ifc_mac)
- Topology.update_interface_vhost_socket(node, if_key, socket)
- return sw_if_idx
- else:
- raise RuntimeError('Create Vhost-user interface failed on node '
- '"{}"'.format(node['host']))
+ cmd = 'create_vhost_user_if'
+ err_msg = 'Failed to create Vhost-user interface on host {host}'.format(
+ host=node['host'])
+ args = dict(
+ sock_filename=str(socket)
+ )
+ with PapiExecutor(node) as papi_exec:
+ data = papi_exec.add(cmd, **args).get_replies(err_msg).\
+ verify_reply(err_msg=err_msg)
+
+ # Extract sw_if_idx:
+ sw_if_idx = data["sw_if_index"]
+
+ # Update the Topology:
+ if_key = Topology.add_new_port(node, 'vhost')
+ Topology.update_interface_sw_if_index(node, if_key, sw_if_idx)
+
+ ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_if_idx)
+ Topology.update_interface_name(node, if_key, ifc_name)
+
+ ifc_mac = InterfaceUtil.vpp_get_interface_mac(node, sw_if_idx)
+ Topology.update_interface_mac_address(node, if_key, ifc_mac)
+
+ Topology.update_interface_vhost_socket(node, if_key, socket)
+
+ return sw_if_idx
@staticmethod
def get_vhost_user_if_name_by_sock(node, socket):
@@ -71,36 +109,27 @@ class VhostUser(object):
interface dump.
:param node: VPP node to get interface data from.
- :param sw_if_index: Idx of the specific interface.
+ :param sw_if_index: SW index of the specific interface.
:type node: dict
:type sw_if_index: str
:returns: l2_address of the given interface.
:rtype: str
"""
- with VatTerminal(node) as vat:
- if_data = vat.vat_terminal_exec_cmd_from_template(
- "interface_dump.vat")
- for iface in if_data[0]:
- if iface["sw_if_index"] == sw_if_index:
- return ':'.join("%02x" % (b) for b in iface["l2_address"][:6])
-
- return None
+ return InterfaceUtil.vpp_get_interface_mac(node, sw_if_index)
@staticmethod
def vpp_show_vhost(node):
- """Get vhost-user data for the given node.
+ """Get Vhost-user data for the given node.
:param node: VPP node to get interface data from.
:type node: dict
- :returns: nothing
"""
- vat = VatExecutor()
- vat.execute_script("show_vhost.vat", node, json_out=False)
+ VhostUser._sw_interface_vhost_user_dump(node)
@staticmethod
def show_vpp_vhost_on_all_duts(nodes):
- """Show Vhost User on all DUTs.
+ """Show Vhost-user on all DUTs.
:param nodes: VPP nodes.
:type nodes: dict