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authorJan Gelety <jgelety@cisco.com>2018-09-07 15:32:06 +0200
committerJan Gelety <jgelety@cisco.com>2018-10-10 08:45:42 +0200
commit12eab1e564e0d5ab34a341039b92612de2973f3c (patch)
tree9bc185d4a6522ddae7cdaee5838caa3c8471b7ca /resources/libraries/python
parent3b0dfef0cadee1ca820d7c8ff7e1fc6691ff2fe2 (diff)
Add VXLAN scale perf tests
Jira: CSIT-1273 Change-Id: Ic2a41661c158384a5aaa7d4e73f30ffca13ddf82 Signed-off-by: Jan Gelety <jgelety@cisco.com>
Diffstat (limited to 'resources/libraries/python')
-rw-r--r--resources/libraries/python/IPv4Util.py11
-rw-r--r--resources/libraries/python/InterfaceUtil.py283
-rw-r--r--resources/libraries/python/L2Util.py4
-rw-r--r--resources/libraries/python/VatExecutor.py23
-rw-r--r--resources/libraries/python/ssh.py1
5 files changed, 294 insertions, 28 deletions
diff --git a/resources/libraries/python/IPv4Util.py b/resources/libraries/python/IPv4Util.py
index fa9d0fe6a9..c40e391c36 100644
--- a/resources/libraries/python/IPv4Util.py
+++ b/resources/libraries/python/IPv4Util.py
@@ -18,6 +18,7 @@ from robot.api.deco import keyword
from resources.libraries.python.topology import Topology
from resources.libraries.python.IPv4Setup import get_node
+from resources.libraries.python.VatExecutor import VatTerminal
from resources.libraries.python.ssh import exec_cmd
@@ -227,3 +228,13 @@ class IPv4Util(object):
if ret_code != 0:
raise RuntimeError("Arp set not successful, reason:{}".
format(stderr))
+
+ @staticmethod
+ def vpp_show_ip_table(node):
+ """Get IP FIB table data from a VPP node.
+
+ :param node: VPP node.
+ :type node: dict
+ """
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template("show_ip_fib.vat")
diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 7fc7f85723..c0f37f38de 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -11,22 +11,23 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-"""Interface util library"""
+"""Interface util library."""
from time import time, sleep
from robot.api import logger
-from resources.libraries.python.ssh import SSH
-from resources.libraries.python.IPUtil import convert_ipv4_netmask_prefix
+from resources.libraries.python.CpuUtils import CpuUtils
from resources.libraries.python.DUTSetup import DUTSetup
-from resources.libraries.python.ssh import exec_cmd_no_error
+from resources.libraries.python.IPUtil import convert_ipv4_netmask_prefix
+from resources.libraries.python.IPUtil import IPUtil
+from resources.libraries.python.parsers.JsonParser import JsonParser
+from resources.libraries.python.ssh import SSH, exec_cmd_no_error
from resources.libraries.python.topology import NodeType, Topology
from resources.libraries.python.VatExecutor import VatExecutor, VatTerminal
from resources.libraries.python.VatJsonUtil import VatJsonUtil
from resources.libraries.python.VPPUtil import VPPUtil
-from resources.libraries.python.parsers.JsonParser import JsonParser
-from resources.libraries.python.CpuUtils import CpuUtils
+
class InterfaceUtil(object):
"""General utilities for managing interfaces"""
@@ -587,15 +588,15 @@ class InterfaceUtil(object):
else:
raise ValueError
except ValueError:
- logger.trace('Reading numa location failed for: {0}'\
- .format(if_pci))
+ logger.trace('Reading numa location failed for: {0}'
+ .format(if_pci))
else:
Topology.set_interface_numa_node(node, if_key,
numa_node)
break
else:
- raise RuntimeError('Update numa node failed for: {0}'\
- .format(if_pci))
+ raise RuntimeError('Update numa node failed for: {0}'
+ .format(if_pci))
@staticmethod
def update_all_numa_nodes(nodes, skip_tg=False):
@@ -663,13 +664,13 @@ class InterfaceUtil(object):
sw_if_index=sw_if_index,
vlan=vlan)
if output[0]["retval"] == 0:
- sw_subif_idx = output[0]["sw_if_index"]
+ sw_vlan_idx = output[0]["sw_if_index"]
logger.trace('VLAN subinterface with sw_if_index {} and VLAN ID {} '
- 'created on node {}'.format(sw_subif_idx,
+ 'created on node {}'.format(sw_vlan_idx,
vlan, node['host']))
if_key = Topology.add_new_port(node, "vlan_subif")
- Topology.update_interface_sw_if_index(node, if_key, sw_subif_idx)
- ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_subif_idx)
+ Topology.update_interface_sw_if_index(node, if_key, sw_vlan_idx)
+ ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_vlan_idx)
Topology.update_interface_name(node, if_key, ifc_name)
else:
raise RuntimeError('Unable to create VLAN subinterface on node {}'
@@ -678,7 +679,7 @@ class InterfaceUtil(object):
with VatTerminal(node, False) as vat:
vat.vat_terminal_exec_cmd('exec show interfaces')
- return '{}.{}'.format(interface, vlan), sw_subif_idx
+ return '{}.{}'.format(interface, vlan), sw_vlan_idx
@staticmethod
def create_vxlan_interface(node, vni, source_ip, destination_ip):
@@ -840,12 +841,12 @@ class InterfaceUtil(object):
type_subif=type_subif)
if output[0]["retval"] == 0:
- sw_subif_idx = output[0]["sw_if_index"]
+ sw_vlan_idx = output[0]["sw_if_index"]
logger.trace('Created subinterface with index {}'
- .format(sw_subif_idx))
+ .format(sw_vlan_idx))
if_key = Topology.add_new_port(node, "subinterface")
- Topology.update_interface_sw_if_index(node, if_key, sw_subif_idx)
- ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_subif_idx)
+ Topology.update_interface_sw_if_index(node, if_key, sw_vlan_idx)
+ ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_vlan_idx)
Topology.update_interface_name(node, if_key, ifc_name)
else:
raise RuntimeError('Unable to create sub-interface on node {}'
@@ -855,7 +856,7 @@ class InterfaceUtil(object):
vat.vat_terminal_exec_cmd('exec show interfaces')
name = '{}.{}'.format(interface, sub_id)
- return name, sw_subif_idx
+ return name, sw_vlan_idx
@staticmethod
def create_gre_tunnel_interface(node, source_ip, destination_ip):
@@ -1317,13 +1318,13 @@ class InterfaceUtil(object):
driver testing on DUT.
:param node: DUT node.
- :param iface_key: Interface key from topology file.
+ :param ifc_key: Interface key from topology file.
:param numvfs: Number of VFs to initialize, 0 - disable the VFs.
:param topology_type: Topology type.
:type node: dict
- :iface_key: str
+ :type ifc_key: str
:type numvfs: int
- :typ topology_type: str
+ :type topology_type: str
:returns: Virtual Function topology interface keys.
:rtype: list
"""
@@ -1335,8 +1336,8 @@ class InterfaceUtil(object):
pf_mac_addr = Topology.get_interface_mac(node, ifc_key).split(":")
uio_driver = Topology.get_uio_driver(node)
kernel_driver = Topology.get_interface_driver(node, ifc_key)
- current_driver = DUTSetup.get_pci_dev_driver(node,\
- pf_pci_addr.replace(':', r'\:'))
+ current_driver = DUTSetup.get_pci_dev_driver(
+ node, pf_pci_addr.replace(':', r'\:'))
VPPUtil.stop_vpp_service(node)
if current_driver != kernel_driver:
@@ -1382,3 +1383,235 @@ class InterfaceUtil(object):
vf_ifc_keys.append(vf_ifc_key)
return vf_ifc_keys
+
+ @staticmethod
+ def vpp_create_multiple_vxlan_ipv4_tunnels(
+ node, node_vxlan_if, node_vlan_if, op_node, op_node_if,
+ n_tunnels, vni_start, src_ip_start, dst_ip_start, ip_step, ip_limit,
+ bd_id_start):
+ """Create multiple VXLAN tunnel interfaces and VLAN sub-interfaces on
+ VPP node.
+
+ Put each pair of VXLAN tunnel interface and VLAN sub-interface to
+ separate bridge-domain.
+
+ :param node: VPP node to create VXLAN tunnel interfaces.
+ :param node_vxlan_if: VPP node interface key to create VXLAN tunnel
+ interfaces.
+ :param node_vlan_if: VPP node interface key to create VLAN
+ sub-interface.
+ :param op_node: Opposite VPP node for VXLAN tunnel interfaces.
+ :param op_node_if: Opposite VPP node interface key for VXLAN tunnel
+ interfaces.
+ :param n_tunnels: Number of tunnel interfaces to create.
+ :param vni_start: VNI start ID.
+ :param src_ip_start: VXLAN tunnel source IP address start.
+ :param dst_ip_start: VXLAN tunnel destination IP address start.
+ :param ip_step: IP address incremental step.
+ :param ip_limit: IP address limit.
+ :param bd_id_start: Bridge-domain ID start.
+ :type node: dict
+ :type node_vxlan_if: str
+ :type node_vlan_if: str
+ :type op_node: dict
+ :type op_node_if: str
+ :type n_tunnels: int
+ :type vni_start: int
+ :type src_ip_start: str
+ :type dst_ip_start: str
+ :type ip_step: int
+ :type ip_limit: str
+ :type bd_id_start: int
+ """
+ # configure IPs, create VXLAN interfaces and VLAN sub-interfaces
+ vxlan_count = InterfaceUtil.vpp_create_vxlan_and_vlan_interfaces(
+ node, node_vxlan_if, node_vlan_if, n_tunnels, vni_start,
+ src_ip_start, dst_ip_start, ip_step, ip_limit)
+
+ # update topology with VXLAN interfaces and VLAN sub-interfaces data
+ # and put interfaces up
+ InterfaceUtil.vpp_put_vxlan_and_vlan_interfaces_up(
+ node, vxlan_count, node_vlan_if)
+
+ # configure bridge domains, ARPs and routes
+ InterfaceUtil.vpp_put_vxlan_and_vlan_interfaces_to_bridge_domain(
+ node, node_vxlan_if, vxlan_count, op_node, op_node_if, dst_ip_start,
+ ip_step, bd_id_start)
+
+ @staticmethod
+ def vpp_create_vxlan_and_vlan_interfaces(
+ node, node_vxlan_if, node_vlan_if, vxlan_count, vni_start,
+ src_ip_start, dst_ip_start, ip_step, ip_limit):
+ """
+ Configure IPs, create VXLAN interfaces and VLAN sub-interfaces on VPP
+ node.
+
+ :param node: VPP node.
+ :param node_vxlan_if: VPP node interface key to create VXLAN tunnel
+ interfaces.
+ :param node_vlan_if: VPP node interface key to create VLAN
+ sub-interface.
+ :param vxlan_count: Number of tunnel interfaces to create.
+ :param vni_start: VNI start ID.
+ :param src_ip_start: VXLAN tunnel source IP address start.
+ :param dst_ip_start: VXLAN tunnel destination IP address start.
+ :param ip_step: IP address incremental step.
+ :param ip_limit: IP address limit.
+ :type node: dict
+ :type node_vxlan_if: str
+ :type node_vlan_if: str
+ :type vxlan_count: int
+ :type vni_start: int
+ :type src_ip_start: str
+ :type dst_ip_start: str
+ :type ip_step: int
+ :type ip_limit: str
+ :returns: Number of created VXLAN interfaces.
+ :rtype: int
+ """
+ commands = list()
+
+ src_ip_start_int = IPUtil.ip_to_int(src_ip_start)
+ dst_ip_start_int = IPUtil.ip_to_int(dst_ip_start)
+ ip_limit_int = IPUtil.ip_to_int(ip_limit)
+
+ tmp_fn = '/tmp/create_vxlan_interfaces.config'
+ for i in range(0, vxlan_count):
+ src_ip_int = src_ip_start_int + i * ip_step
+ dst_ip_int = dst_ip_start_int + i * ip_step
+ if src_ip_int > ip_limit_int or dst_ip_int > ip_limit_int:
+ logger.warn("Can't do more iterations - IPv4 address limit "
+ "has been reached.")
+ vxlan_count = i
+ break
+ src_ip = IPUtil.int_to_ip(src_ip_int)
+ dst_ip = IPUtil.int_to_ip(dst_ip_int)
+ commands.append(
+ 'sw_interface_add_del_address sw_if_index {sw_idx} {ip}/32\n'
+ .format(sw_idx=Topology.get_interface_sw_index(
+ node, node_vxlan_if), ip=src_ip))
+ commands.append(
+ 'vxlan_add_del_tunnel src {src_ip} dst {dst_ip} vni {vni}\n'
+ .format(src_ip=src_ip, dst_ip=dst_ip, vni=vni_start+i))
+ commands.append(
+ 'create_vlan_subif sw_if_index {sw_idx} vlan {vlan}\n'
+ .format(sw_idx=Topology.get_interface_sw_index(
+ node, node_vlan_if), vlan=i+1))
+
+ VatExecutor().write_and_execute_script(node, tmp_fn, commands)
+
+ return vxlan_count
+
+ @staticmethod
+ def vpp_put_vxlan_and_vlan_interfaces_up(node, vxlan_count, node_vlan_if):
+ """
+ Update topology with VXLAN interfaces and VLAN sub-interfaces data
+ and put interfaces up.
+
+ :param node: VPP node.
+ :param vxlan_count: Number of tunnel interfaces.
+ :param node_vlan_if: VPP node interface key where VLAN sub-interfaces
+ have been created.
+ :type node: dict
+ :type vxlan_count: int
+ :type node_vlan_if: str
+ """
+ with VatTerminal(node) as vat_ter:
+ if_data = vat_ter.vat_terminal_exec_cmd_from_template(
+ 'interface_dump.vat')[0]
+
+ tmp_fn = '/tmp/put_subinterfaces_up.config'
+ commands = list()
+ for i in range(0, vxlan_count):
+ vxlan_subif_key = Topology.add_new_port(node, 'vxlan_tunnel')
+ vxlan_subif_name = 'vxlan_tunnel{nr}'.format(nr=i)
+ vxlan_found = False
+ vxlan_subif_idx = None
+ vlan_subif_key = Topology.add_new_port(node, 'vlan_subif')
+ vlan_subif_name = '{if_name}.{vlan}'.format(
+ if_name=Topology.get_interface_name(
+ node, node_vlan_if), vlan=i+1)
+ vlan_found = False
+ vlan_idx = None
+ for data in if_data:
+ if_name = data['interface_name']
+ if not vxlan_found and if_name == vxlan_subif_name:
+ vxlan_subif_idx = data['sw_if_index']
+ vxlan_found = True
+ elif not vlan_found and if_name == vlan_subif_name:
+ vlan_idx = data['sw_if_index']
+ vlan_found = True
+ if vxlan_found and vlan_found:
+ break
+ Topology.update_interface_sw_if_index(
+ node, vxlan_subif_key, vxlan_subif_idx)
+ Topology.update_interface_name(
+ node, vxlan_subif_key, vxlan_subif_name)
+ commands.append(
+ 'sw_interface_set_flags sw_if_index {sw_idx} admin-up link-up\n'
+ .format(sw_idx=vxlan_subif_idx))
+ Topology.update_interface_sw_if_index(
+ node, vlan_subif_key, vlan_idx)
+ Topology.update_interface_name(
+ node, vlan_subif_key, vlan_subif_name)
+ commands.append(
+ 'sw_interface_set_flags sw_if_index {sw_idx} admin-up link-up\n'
+ .format(sw_idx=vlan_idx))
+
+ VatExecutor().write_and_execute_script(node, tmp_fn, commands)
+
+ @staticmethod
+ def vpp_put_vxlan_and_vlan_interfaces_to_bridge_domain(
+ node, node_vxlan_if, vxlan_count, op_node, op_node_if, dst_ip_start,
+ ip_step, bd_id_start):
+ """
+ Configure ARPs and routes for VXLAN interfaces and put each pair of
+ VXLAN tunnel interface and VLAN sub-interface to separate bridge-domain.
+
+ :param node: VPP node.
+ :param node_vxlan_if: VPP node interface key where VXLAN tunnel
+ interfaces have been created.
+ :param vxlan_count: Number of tunnel interfaces.
+ :param op_node: Opposite VPP node for VXLAN tunnel interfaces.
+ :param op_node_if: Opposite VPP node interface key for VXLAN tunnel
+ interfaces.
+ :param dst_ip_start: VXLAN tunnel destination IP address start.
+ :param ip_step: IP address incremental step.
+ :param bd_id_start: Bridge-domain ID start.
+ :type node: dict
+ :type node_vxlan_if: str
+ :type vxlan_count: int
+ :type op_node: dict
+ :type op_node_if:
+ :type dst_ip_start: str
+ :type ip_step: int
+ :type bd_id_start: int
+ """
+ sw_idx_vxlan = Topology.get_interface_sw_index(node, node_vxlan_if)
+
+ dst_ip_start_int = IPUtil.ip_to_int(dst_ip_start)
+
+ tmp_fn = '/tmp/configure_routes_and_bridge_domains.config'
+ commands = list()
+ for i in range(0, vxlan_count):
+ dst_ip = IPUtil.int_to_ip(dst_ip_start_int + i * ip_step)
+ commands.append(
+ 'ip_neighbor_add_del sw_if_index {sw_idx} dst {ip} mac {mac}\n'
+ .format(sw_idx=sw_idx_vxlan, ip=dst_ip,
+ mac=Topology.get_interface_mac(op_node, op_node_if)))
+ commands.append(
+ 'ip_add_del_route {ip}/32 via {ip} sw_if_index {sw_idx}'
+ ' resolve-attempts 10 count 1\n'.format(
+ ip=dst_ip, sw_idx=sw_idx_vxlan))
+ bd_id = bd_id_start + i
+ subif_id = i + 1
+ commands.append(
+ 'sw_interface_set_l2_bridge sw_if_index {sw_idx} bd_id {bd_id} '
+ 'shg 0 enable\n'.format(sw_idx=Topology.get_interface_sw_index(
+ node, 'vxlan_tunnel{nr}'.format(nr=subif_id)), bd_id=bd_id))
+ commands.append(
+ 'sw_interface_set_l2_bridge sw_if_index {sw_idx} bd_id {bd_id} '
+ 'shg 0 enable\n'.format(sw_idx=Topology.get_interface_sw_index(
+ node, 'vlan_subif{nr}'.format(nr=subif_id)), bd_id=bd_id))
+
+ VatExecutor().write_and_execute_script(node, tmp_fn, commands)
diff --git a/resources/libraries/python/L2Util.py b/resources/libraries/python/L2Util.py
index 2acb6dba34..97cef611c5 100644
--- a/resources/libraries/python/L2Util.py
+++ b/resources/libraries/python/L2Util.py
@@ -43,9 +43,9 @@ class L2Util(object):
to string format (01:02:03:04:05:06).
:param mac_int: MAC address in integer representation.
- :type mac_int: str
+ :type mac_int: int
:returns: String representation of MAC address.
- :rtype: int
+ :rtype: str
"""
return ':'.join(wrap("{:012x}".format(mac_int), width=2))
diff --git a/resources/libraries/python/VatExecutor.py b/resources/libraries/python/VatExecutor.py
index 8b9d632836..03379ba33f 100644
--- a/resources/libraries/python/VatExecutor.py
+++ b/resources/libraries/python/VatExecutor.py
@@ -14,6 +14,7 @@
"""VAT executor library."""
import json
+from os import remove
from paramiko.ssh_exception import SSHException
from robot.api import logger
@@ -133,6 +134,28 @@ class VatExecutor(object):
self._stderr = stderr
self._script_name = vat_name
+ def write_and_execute_script(self, node, tmp_fn, commands, timeout=300,
+ json_out=False):
+ """Write VAT commands to the script, copy it to node and execute it.
+
+ :param node: VPP node.
+ :param tmp_fn: Path to temporary file script.
+ :param commands: VAT command list.
+ :param timeout: Seconds to allow the script to run.
+ :param json_out: Require JSON output.
+ :type node: dict
+ :type tmp_fn: str
+ :type commands: list
+ :type timeout: int
+ :type json_out: bool
+ """
+ with open(tmp_fn, 'w') as tmp_f:
+ tmp_f.writelines(commands)
+
+ self.execute_script(tmp_fn, node, timeout=timeout, json_out=json_out,
+ copy_on_execute=True)
+ remove(tmp_fn)
+
def execute_script_json_out(self, vat_name, node, timeout=120):
"""Pass all arguments to 'execute_script' method, then cleanup returned
json output.
diff --git a/resources/libraries/python/ssh.py b/resources/libraries/python/ssh.py
index 5e33a7cf9c..4bcfe6591f 100644
--- a/resources/libraries/python/ssh.py
+++ b/resources/libraries/python/ssh.py
@@ -22,7 +22,6 @@ from paramiko import RSAKey
from paramiko.ssh_exception import SSHException
from scp import SCPClient
from robot.api import logger
-from robot.utils.asserts import assert_equal
__all__ = ["exec_cmd", "exec_cmd_no_error"]