From c9cd093f2f441adc9dd33627255326008e021a67 Mon Sep 17 00:00:00 2001 From: Martin Klozik Date: Tue, 16 Aug 2016 14:59:05 +0100 Subject: multi VM: Multi VMs in serial or parallel Support for deployment scenarios with any number of VMs in both serial and parallel configuration. Detailed content of the patch: * VswitchControllerPXP class for multi VM support * pvvpxx and pvpvxx deployments for xx VMs in serial respective parallel configuration * special GUEST_ options expansion to requested number of VMs; * support of GUEST_ options specific macros #VMINDEX, #MAC(), #IP() and #EVAL() * all GUEST specific options are turned to lists to be VM specific * support for VM with 1 NIC * support for VM with multiple NIC pairs; traffic is routed in serial or parallel between NIC paris based on deployment scenario * support for PVVP and PVPV scenarios using VMs with different numbers of NICs JIRA: VSPERF-361 Change-Id: I05bedbdfa9a81ea0166d9b03d83ae49d6cb8b19b Signed-off-by: Martin Klozik Reviewed-by: Maryam Tahhan Reviewed-by: Al Morton Reviewed-by: Christian Trautman Reviewed-by: Bill Michalowski Reviewed-by: Antonio Fischetti --- core/vnf_controller.py | 55 ++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 42 insertions(+), 13 deletions(-) (limited to 'core/vnf_controller.py') diff --git a/core/vnf_controller.py b/core/vnf_controller.py index 8800ccaf..29700661 100644 --- a/core/vnf_controller.py +++ b/core/vnf_controller.py @@ -16,6 +16,7 @@ import logging import pexpect +from conf import settings from vnfs.vnf.vnf import IVnf class VnfController(object): @@ -25,13 +26,13 @@ class VnfController(object): Attributes: _vnf_class: A class object representing the VNF to be used. - _deployment_scenario: A string describing the scenario to set-up in the + _deployment: A string describing the scenario to set-up in the constructor. _vnfs: A list of vnfs controlled by the controller. """ - def __init__(self, deployment_scenario, vnf_class): - """Sets up the VNF infrastructure for the PVP deployment scenario. + def __init__(self, deployment, vnf_class): + """Sets up the VNF infrastructure based on deployment scenario :param vnf_class: The VNF class to be used. """ @@ -41,17 +42,38 @@ class VnfController(object): # setup controller with requested number of VNFs self._logger = logging.getLogger(__name__) self._vnf_class = vnf_class - self._deployment_scenario = deployment_scenario.upper() - if self._deployment_scenario == 'P2P': - self._vnfs = [] - elif self._deployment_scenario == 'PVP': - self._vnfs = [vnf_class()] - elif self._deployment_scenario == 'PVVP': - self._vnfs = [vnf_class(), vnf_class()] - elif self._deployment_scenario == 'OP2P': - self._vnfs = [] + self._deployment = deployment.lower() + self._vnfs = [] + if self._deployment == 'pvp': + vm_number = 1 + elif (self._deployment.startswith('pvvp') or + self._deployment.startswith('pvpv')): + if len(self._deployment) > 4: + vm_number = int(self._deployment[4:]) + else: + vm_number = 2 else: - self._vnfs = [] + raise RuntimeError('Deployment {} is not supported by ' + 'VnfController.'.format(self._deployment)) + + if vm_number: + self._logger.debug('Check configuration for %s guests.', vm_number) + settings.check_vm_settings(vm_number) + # enforce that GUEST_NIC_NR is 1 or even number of NICs + updated = False + nics_nr = settings.getValue('GUEST_NICS_NR') + for index in range(len(nics_nr)): + if nics_nr[index] > 1 and nics_nr[index] % 2: + updated = True + nics_nr[index] = int(nics_nr[index] / 2) * 2 + if updated: + settings.setValue('GUEST_NICS_NR', nics_nr) + self._logger.warning('Odd number of NICs was detected. Configuration ' + 'was updated to GUEST_NICS_NR = %s', + settings.getValue('GUEST_NICS_NR')) + + self._vnfs = [vnf_class() for _ in range(vm_number)] + self._logger.debug('__init__ ' + str(len(self._vnfs)) + ' VNF[s] with ' + ' '.join(map(str, self._vnfs))) @@ -62,6 +84,13 @@ class VnfController(object): ' VNF[s] with ' + ' '.join(map(str, self._vnfs))) return self._vnfs + def get_vnfs_number(self): + """Returns a number of vnfs controlled by this controller. + """ + self._logger.debug('get_vnfs_number ' + str(len(self._vnfs)) + + ' VNF[s]') + return len(self._vnfs) + def start(self): """Boots all VNFs set-up by __init__. -- cgit 1.2.3-korg