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authoropensource-tnbt <sridhar.rao@spirent.com>2020-11-25 15:11:47 +0530
committeropensource-tnbt <sridhar.rao@spirent.com>2020-11-25 15:23:55 +0530
commit5be0a76d76aefbfc7b0555482df2dada7a6e5a08 (patch)
tree003daa1e3c97d6ff75522b672fecee2568d8efbd /core
parent092de71ff79b23ab05d013ceb417b4f0b48dcc55 (diff)
Kubernetes: Infrastructure For K8S Net testing.
This patch adds necessary code to perform K8S Networking performance benchmarking. Signed-off-by: Sridhar K. N. Rao <sridhar.rao@spirent.com> Change-Id: I059ddd2e9ad3ee7c05e4620c64401f81474be195
Diffstat (limited to 'core')
-rw-r--r--core/component_factory.py15
-rwxr-xr-xcore/loader/loader.py37
-rw-r--r--core/pod_controller.py93
-rw-r--r--core/vswitch_controller_p2p.py5
4 files changed, 147 insertions, 3 deletions
diff --git a/core/component_factory.py b/core/component_factory.py
index 2c51a060..f13bfb5b 100644
--- a/core/component_factory.py
+++ b/core/component_factory.py
@@ -24,7 +24,7 @@ from core.vswitch_controller_op2p import VswitchControllerOP2P
from core.vswitch_controller_ptunp import VswitchControllerPtunP
from core.vnf_controller import VnfController
from core.pktfwd_controller import PktFwdController
-
+from core.pod_controller import PodController
def __init__():
"""Finds and loads all the modules required.
@@ -102,6 +102,19 @@ def create_vnf(deployment_scenario, vnf_class, extra_vnfs):
"""
return VnfController(deployment_scenario, vnf_class, extra_vnfs)
+def create_pod(deployment_scenario, pod_class):
+ """Return a new PodController for the deployment_scenario.
+
+ The returned controller is configured with the given POD class.
+
+ Deployment scenarios: 'pvp', 'pvvp'
+
+ :param deployment_scenario: The deployment scenario name
+ :param pod_class: Reference to pod class to be used.
+ :return: PodController for the deployment_scenario
+ """
+ return PodController(deployment_scenario, pod_class)
+
def create_collector(collector_class, result_dir, test_name):
"""Return a new Collector of the given class
diff --git a/core/loader/loader.py b/core/loader/loader.py
index dcd77ced..45e0d5ba 100755
--- a/core/loader/loader.py
+++ b/core/loader/loader.py
@@ -23,6 +23,7 @@ from tools.pkt_fwd.pkt_fwd import IPktFwd
from tools.pkt_gen.trafficgen import ITrafficGenerator
from vswitches.vswitch import IVSwitch
from vnfs.vnf.vnf import IVnf
+from pods.pod.pod import IPod
# pylint: disable=too-many-public-methods
class Loader(object):
@@ -71,6 +72,11 @@ class Loader(object):
settings.getValue('PKTFWD'),
IPktFwd)
+ self._pod_loader = LoaderServant(
+ settings.getValue('POD_DIR'),
+ settings.getValue('POD'),
+ IPod)
+
def get_trafficgen(self):
"""Returns a new instance configured traffic generator.
@@ -220,6 +226,37 @@ class Loader(object):
"""
return self._vnf_loader.get_classes_printable()
+ def get_pod(self):
+ """Returns instance of currently configured pod implementation.
+
+ :return: IPod implementation if available, None otherwise.
+ """
+ return self._pod_loader.get_class()()
+
+ def get_pod_class(self):
+ """Returns type of currently configured pod implementation.
+
+ :return: Type of IPod implementation if available.
+ None otherwise.
+ """
+ return self._pod_loader.get_class()
+
+ def get_pods(self):
+ """Returns dictionary of all available pods.
+
+ :return: Dictionary of pods.
+ - key: name of the class which implements IPod,
+ - value: Type of vnf which implements IPod.
+ """
+ return self._pod_loader.get_classes()
+
+ def get_pods_printable(self):
+ """Returns all available pods in printable format.
+
+ :return: String containing printable list of pods.
+ """
+ return self._pod_loader.get_classes_printable()
+
def get_pktfwd(self):
"""Returns instance of currently configured packet forwarder implementation.
diff --git a/core/pod_controller.py b/core/pod_controller.py
new file mode 100644
index 00000000..8bc91ec4
--- /dev/null
+++ b/core/pod_controller.py
@@ -0,0 +1,93 @@
+# Copyright 2020 Spirent Communications
+#
+# 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.
+""" pod Controller interface
+"""
+
+import logging
+import pexpect
+#from conf import settings
+from pods.pod.pod import IPod
+
+class PodController():
+ """POD controller class
+
+ Used to set-up and control PODs for specified scenario
+
+ Attributes:
+ _pod_class: A class object representing the POD.
+ _deployment: A string describing the scenario to set-up in the
+ constructor.
+ _pods: A list of pods controlled by the controller.
+ """
+
+ def __init__(self, deployment, pod_class):
+ """Sets up the POD infrastructure based on deployment scenario
+
+ :param pod_class: The POD class to be used.
+ """
+ # reset POD ID counter for each testcase
+ IPod.reset_pod_counter()
+ pod_number = 0
+ # setup controller with requested number of pods
+ self._logger = logging.getLogger(__name__)
+ self._pod_class = pod_class
+ self._deployment = deployment.lower()
+ self._pods = []
+ if self._deployment == 'p2p':
+ pod_number = 1
+
+ if pod_number:
+ self._pods = [pod_class() for _ in range(pod_number)]
+
+ self._logger.debug('Initializing the pod')
+
+ def get_pods(self):
+ """Returns a list of pods controlled by this controller.
+ """
+ self._logger.debug('get the pods')
+ return self._pods
+
+ def get_pods_number(self):
+ """Returns a number of pods controlled by this controller.
+ """
+ self._logger.debug('get_pods_number %s pod[s]', str(len(self._pods)))
+ return len(self._pods)
+
+ def start(self):
+ """Boots all pods set-up by __init__.
+
+ This is a blocking function.
+ """
+ self._logger.debug('start the pod')
+ try:
+ for pod in self._pods:
+ pod.create()
+ except pexpect.TIMEOUT:
+ self.stop()
+ raise
+
+ def stop(self):
+ """Stops all pods set-up by __init__.
+
+ This is a blocking function.
+ """
+ self._logger.debug('stopping the pod')
+ for pod in self._pods:
+ pod.terminate()
+
+ def __enter__(self):
+ self.start()
+
+ def __exit__(self, type_, value, traceback):
+ self.stop()
diff --git a/core/vswitch_controller_p2p.py b/core/vswitch_controller_p2p.py
index d8f22e4c..0037d484 100644
--- a/core/vswitch_controller_p2p.py
+++ b/core/vswitch_controller_p2p.py
@@ -45,8 +45,9 @@ class VswitchControllerP2P(IVswitchController):
(port1, _) = self._vswitch.add_phy_port(self._bridge)
(port2, _) = self._vswitch.add_phy_port(self._bridge)
- self._vswitch.add_connection(self._bridge, port1, port2, self._traffic)
- self._vswitch.add_connection(self._bridge, port2, port1, self._traffic)
+ if not settings.getValue('K8S'):
+ self._vswitch.add_connection(self._bridge, port1, port2, self._traffic)
+ self._vswitch.add_connection(self._bridge, port2, port1, self._traffic)
except:
self._vswitch.stop()