# See the License for the specific language governing permissions and
# limitations under the License.
-from __future__ import absolute_import
-import os
-import logging
+import io
import collections
+import logging
+import os
+import re
import time
-from collections import OrderedDict
-
from yardstick import ssh
+from yardstick.benchmark import contexts
+from yardstick.benchmark.contexts import base
+from yardstick.benchmark.contexts.standalone import model
+from yardstick.common import exceptions
+from yardstick.network_services import utils
from yardstick.network_services.utils import get_nsb_option
-from yardstick.network_services.utils import provision_tool
-from yardstick.benchmark.contexts.base import Context
-from yardstick.benchmark.contexts.standalone.model import Libvirt
-from yardstick.benchmark.contexts.standalone.model import StandaloneContextHelper
-from yardstick.benchmark.contexts.standalone.model import Server
-from yardstick.benchmark.contexts.standalone.model import OvsDeploy
-from yardstick.network_services.utils import PciAddress
+
LOG = logging.getLogger(__name__)
+MAIN_BRIDGE = 'br0'
+
-class OvsDpdkContext(Context):
+class OvsDpdkContext(base.Context):
""" This class handles OVS standalone nodes - VM running on Non-Managed NFVi
Configuration: ovs_dpdk
"""
- __context_type__ = "StandaloneOvsDpdk"
+ __context_type__ = contexts.CONTEXT_STANDALONEOVSDPDK
SUPPORTED_OVS_TO_DPDK_MAP = {
'2.6.0': '16.07.1',
}
DEFAULT_OVS = '2.6.0'
-
- PKILL_TEMPLATE = "pkill %s %s"
+ CMD_TIMEOUT = 30
+ DEFAULT_USER_PATH = '/usr/local'
def __init__(self):
self.file_path = None
self.sriov = []
self.first_run = True
- self.dpdk_devbind = ''
+ self.dpdk_devbind = os.path.join(get_nsb_option('bin_path'),
+ 'dpdk-devbind.py')
self.vm_names = []
self.nfvi_host = []
self.nodes = []
self.attrs = {}
self.vm_flavor = None
self.servers = None
- self.helper = StandaloneContextHelper()
- self.vnf_node = Server()
+ self.helper = model.StandaloneContextHelper()
+ self.vnf_node = model.Server()
self.ovs_properties = {}
self.wait_for_vswitchd = 10
super(OvsDpdkContext, self).__init__()
LOG.debug("Networks: %r", self.networks)
def setup_ovs(self):
- vpath = self.ovs_properties.get("vpath", "/usr/local")
- xargs_kill_cmd = self.PKILL_TEMPLATE % ('-9', 'ovs')
-
+ """Initialize OVS-DPDK"""
+ vpath = self.ovs_properties.get('vpath', self.DEFAULT_USER_PATH)
create_from = os.path.join(vpath, 'etc/openvswitch/conf.db')
create_to = os.path.join(vpath, 'share/openvswitch/vswitch.ovsschema')
cmd_list = [
- "chmod 0666 /dev/vfio/*",
- "chmod a+x /dev/vfio",
- "pkill -9 ovs",
- xargs_kill_cmd,
- "killall -r 'ovs*'",
- "mkdir -p {0}/etc/openvswitch".format(vpath),
- "mkdir -p {0}/var/run/openvswitch".format(vpath),
- "rm {0}/etc/openvswitch/conf.db".format(vpath),
- "ovsdb-tool create {0} {1}".format(create_from, create_to),
- "modprobe vfio-pci",
- "chmod a+x /dev/vfio",
- "chmod 0666 /dev/vfio/*",
+ 'killall -r "ovs.*" -q | true',
+ 'mkdir -p {0}/etc/openvswitch'.format(vpath),
+ 'mkdir -p {0}/var/run/openvswitch'.format(vpath),
+ 'rm {0}/etc/openvswitch/conf.db | true'.format(vpath),
+ 'ovsdb-tool create {0} {1}'.format(create_from, create_to),
+ 'modprobe vfio-pci',
+ 'chmod a+x /dev/vfio',
+ 'chmod 0666 /dev/vfio/*',
]
- for cmd in cmd_list:
- self.connection.execute(cmd)
- bind_cmd = "{dpdk_devbind} --force -b {driver} {port}"
- phy_driver = "vfio-pci"
+
+ bind_cmd = '%s --force -b vfio-pci {port}' % self.dpdk_devbind
for port in self.networks.values():
- vpci = port.get("phy_port")
- self.connection.execute(bind_cmd.format(
- dpdk_devbind=self.dpdk_devbind, driver=phy_driver, port=vpci))
+ cmd_list.append(bind_cmd.format(port=port.get('phy_port')))
+
+ for cmd in cmd_list:
+ LOG.info(cmd)
+ exit_status, _, stderr = self.connection.execute(
+ cmd, timeout=self.CMD_TIMEOUT)
+ if exit_status:
+ raise exceptions.OVSSetupError(command=cmd, error=stderr)
def start_ovs_serverswitch(self):
vpath = self.ovs_properties.get("vpath")
vpath = self.ovs_properties.get("vpath", "/usr/local")
version = self.ovs_properties.get('version', {})
ovs_ver = [int(x) for x in version.get('ovs', self.DEFAULT_OVS).split('.')]
- ovs_add_port = \
- "ovs-vsctl add-port {br} {port} -- set Interface {port} type={type_}{dpdk_args}"
- ovs_add_queue = "ovs-vsctl set Interface {port} options:n_rxq={queue}"
- chmod_vpath = "chmod 0777 {0}/var/run/openvswitch/dpdkvhostuser*"
-
- cmd_dpdk_list = [
- "ovs-vsctl del-br br0",
- "rm -rf {0}/var/run/openvswitch/dpdkvhostuser*".format(vpath),
- "ovs-vsctl add-br br0 -- set bridge br0 datapath_type=netdev",
+ ovs_add_port = ('ovs-vsctl add-port {br} {port} -- '
+ 'set Interface {port} type={type_}{dpdk_args}{dpdk_rxq}')
+ chmod_vpath = 'chmod 0777 {0}/var/run/openvswitch/dpdkvhostuser*'
+
+ cmd_list = [
+ 'ovs-vsctl --if-exists del-br {0}'.format(MAIN_BRIDGE),
+ 'rm -rf {0}/var/run/openvswitch/dpdkvhostuser*'.format(vpath),
+ 'ovs-vsctl add-br {0} -- set bridge {0} datapath_type=netdev'.
+ format(MAIN_BRIDGE)
]
+ dpdk_rxq = " options:n_rxq={queue}".format(
+ queue=self.ovs_properties.get("queues", 1))
- ordered_network = OrderedDict(self.networks)
+ ordered_network = collections.OrderedDict(self.networks)
for index, vnf in enumerate(ordered_network.values()):
if ovs_ver >= [2, 7, 0]:
dpdk_args = " options:dpdk-devargs=%s" % vnf.get("phy_port")
- dpdk_list.append(ovs_add_port.format(br='br0', port='dpdk%s' % vnf.get("port_num", 0),
- type_='dpdk', dpdk_args=dpdk_args))
- dpdk_list.append(ovs_add_queue.format(port='dpdk%s' % vnf.get("port_num", 0),
- queue=self.ovs_properties.get("queues", 1)))
+ dpdk_list.append(ovs_add_port.format(
+ br=MAIN_BRIDGE, port='dpdk%s' % vnf.get("port_num", 0),
+ type_='dpdk', dpdk_args=dpdk_args, dpdk_rxq=dpdk_rxq))
# Sorting the array to make sure we execute dpdk0... in the order
list.sort(dpdk_list)
- cmd_dpdk_list.extend(dpdk_list)
+ cmd_list.extend(dpdk_list)
# Need to do two for loop to maintain the dpdk/vhost ports.
for index, _ in enumerate(ordered_network):
- cmd_dpdk_list.append(ovs_add_port.format(br='br0', port='dpdkvhostuser%s' % index,
- type_='dpdkvhostuser', dpdk_args=""))
-
- for cmd in cmd_dpdk_list:
- LOG.info(cmd)
- self.connection.execute(cmd)
-
- # Fixme: add flows code
- ovs_flow = "ovs-ofctl add-flow br0 in_port=%s,action=output:%s"
+ cmd_list.append(ovs_add_port.format(
+ br=MAIN_BRIDGE, port='dpdkvhostuser%s' % index,
+ type_='dpdkvhostuser', dpdk_args="", dpdk_rxq=""))
+ ovs_flow = ("ovs-ofctl add-flow {0} in_port=%s,action=output:%s".
+ format(MAIN_BRIDGE))
network_count = len(ordered_network) + 1
for in_port, out_port in zip(range(1, network_count),
range(network_count, network_count * 2)):
- self.connection.execute(ovs_flow % (in_port, out_port))
- self.connection.execute(ovs_flow % (out_port, in_port))
+ cmd_list.append(ovs_flow % (in_port, out_port))
+ cmd_list.append(ovs_flow % (out_port, in_port))
- self.connection.execute(chmod_vpath.format(vpath))
+ cmd_list.append(chmod_vpath.format(vpath))
+
+ for cmd in cmd_list:
+ LOG.info(cmd)
+ exit_status, _, stderr = self.connection.execute(
+ cmd, timeout=self.CMD_TIMEOUT)
+ if exit_status:
+ raise exceptions.OVSSetupError(command=cmd, error=stderr)
+
+ def _check_hugepages(self):
+ meminfo = io.BytesIO()
+ self.connection.get_file_obj('/proc/meminfo', meminfo)
+ regex = re.compile(r"HugePages_Total:\s+(?P<hp_total>\d+)[\n\r]"
+ r"HugePages_Free:\s+(?P<hp_free>\d+)")
+ match = regex.search(meminfo.getvalue().decode('utf-8'))
+ if not match:
+ raise exceptions.OVSHugepagesInfoError()
+ if int(match.group('hp_total')) == 0:
+ raise exceptions.OVSHugepagesNotConfigured()
+ if int(match.group('hp_free')) == 0:
+ raise exceptions.OVSHugepagesZeroFree(
+ total_hugepages=int(match.group('hp_total')))
def cleanup_ovs_dpdk_env(self):
- self.connection.execute("ovs-vsctl del-br br0")
+ self.connection.execute(
+ 'ovs-vsctl --if-exists del-br {0}'.format(MAIN_BRIDGE))
self.connection.execute("pkill -9 ovs")
def check_ovs_dpdk_env(self):
self.cleanup_ovs_dpdk_env()
+ self._check_hugepages()
version = self.ovs_properties.get("version", {})
ovs_ver = version.get("ovs", self.DEFAULT_OVS)
supported_version = self.SUPPORTED_OVS_TO_DPDK_MAP.get(ovs_ver, None)
if supported_version is None or supported_version.split('.')[:2] != dpdk_ver[:2]:
- raise Exception("Unsupported ovs '{}'. Please check the config...".format(ovs_ver))
+ raise exceptions.OVSUnsupportedVersion(
+ ovs_version=ovs_ver,
+ ovs_to_dpdk_map=self.SUPPORTED_OVS_TO_DPDK_MAP)
status = self.connection.execute("ovs-vsctl -V | grep -i '%s'" % ovs_ver)[0]
if status:
- deploy = OvsDeploy(self.connection,
- get_nsb_option("bin_path"),
- self.ovs_properties)
+ deploy = model.OvsDeploy(self.connection,
+ utils.get_nsb_option("bin_path"),
+ self.ovs_properties)
deploy.ovs_deploy()
def deploy(self):
return
self.connection = ssh.SSH.from_node(self.host_mgmt)
- self.dpdk_devbind = provision_tool(
- self.connection,
- os.path.join(get_nsb_option("bin_path"), "dpdk-devbind.py"))
# Check dpdk/ovs version, if not present install
self.check_ovs_dpdk_env()
# Todo: NFVi deploy (sriov, vswitch, ovs etc) based on the config.
- StandaloneContextHelper.install_req_libs(self.connection)
- self.networks = StandaloneContextHelper.get_nic_details(
+ model.StandaloneContextHelper.install_req_libs(self.connection)
+ self.networks = model.StandaloneContextHelper.get_nic_details(
self.connection, self.networks, self.dpdk_devbind)
self.setup_ovs()
self.setup_ovs_bridge_add_flows()
self.nodes = self.setup_ovs_dpdk_context()
LOG.debug("Waiting for VM to come up...")
- self.nodes = StandaloneContextHelper.wait_for_vnfs_to_start(self.connection,
- self.servers,
- self.nodes)
+ self.nodes = model.StandaloneContextHelper.wait_for_vnfs_to_start(
+ self.connection, self.servers, self.nodes)
def undeploy(self):
# Todo: NFVi undeploy (sriov, vswitch, ovs etc) based on the config.
for vm in self.vm_names:
- Libvirt.check_if_vm_exists_and_delete(vm, self.connection)
+ model.Libvirt.check_if_vm_exists_and_delete(vm, self.connection)
+
+ def _get_physical_nodes(self):
+ return self.nfvi_host
+
+ def _get_physical_node_for_server(self, server_name):
+ node_name, ctx_name = self.split_host_name(server_name)
+ if ctx_name is None or self.name != ctx_name:
+ return None
+
+ matching_nodes = [s for s in self.servers if s == node_name]
+ if len(matching_nodes) == 0:
+ return None
+
+ # self.nfvi_host always contain only one host
+ return "{}.{}".format(self.nfvi_host[0]["name"], self._name)
def _get_server(self, attr_name):
"""lookup server info by name from context
Keyword arguments:
attr_name -- A name for a server listed in nodes config file
"""
- node_name, name = self.split_name(attr_name)
+ node_name, name = self.split_host_name(attr_name)
if name is None or self.name != name:
return None
return result
def configure_nics_for_ovs_dpdk(self):
- portlist = OrderedDict(self.networks)
+ portlist = collections.OrderedDict(self.networks)
for key in portlist:
- mac = StandaloneContextHelper.get_mac_address()
+ mac = model.StandaloneContextHelper.get_mac_address()
portlist[key].update({'mac': mac})
self.networks = portlist
LOG.info("Ports %s", self.networks)
- def _enable_interfaces(self, index, vfs, cfg):
+ def _enable_interfaces(self, index, vfs, xml_str):
vpath = self.ovs_properties.get("vpath", "/usr/local")
vf = self.networks[vfs[0]]
port_num = vf.get('port_num', 0)
- vpci = PciAddress(vf['vpci'].strip())
+ vpci = utils.PciAddress(vf['vpci'].strip())
# Generate the vpci for the interfaces
slot = index + port_num + 10
vf['vpci'] = \
"{}:{}:{:02x}.{}".format(vpci.domain, vpci.bus, slot, vpci.function)
- Libvirt.add_ovs_interface(vpath, port_num, vf['vpci'], vf['mac'], str(cfg))
+ return model.Libvirt.add_ovs_interface(
+ vpath, port_num, vf['vpci'], vf['mac'], xml_str)
def setup_ovs_dpdk_context(self):
nodes = []
self.configure_nics_for_ovs_dpdk()
- for index, (key, vnf) in enumerate(OrderedDict(self.servers).items()):
+ for index, (key, vnf) in enumerate(collections.OrderedDict(
+ self.servers).items()):
cfg = '/tmp/vm_ovs_%d.xml' % index
- vm_name = "vm_%d" % index
+ vm_name = "vm-%d" % index
+ cdrom_img = "/var/lib/libvirt/images/cdrom-%d.img" % index
# 1. Check and delete VM if already exists
- Libvirt.check_if_vm_exists_and_delete(vm_name, self.connection)
+ model.Libvirt.check_if_vm_exists_and_delete(vm_name,
+ self.connection)
+ xml_str, mac = model.Libvirt.build_vm_xml(
+ self.connection, self.vm_flavor, vm_name, index, cdrom_img)
- _, mac = Libvirt.build_vm_xml(self.connection, self.vm_flavor,
- cfg, vm_name, index)
# 2: Cleanup already available VMs
- for vkey, vfs in OrderedDict(vnf["network_ports"]).items():
- if vkey == "mgmt":
- continue
- self._enable_interfaces(index, vfs, cfg)
+ for vfs in [vfs for vfs_name, vfs in vnf["network_ports"].items()
+ if vfs_name != 'mgmt']:
+ xml_str = self._enable_interfaces(index, vfs, xml_str)
# copy xml to target...
+ model.Libvirt.write_file(cfg, xml_str)
self.connection.put(cfg, cfg)
+ node = self.vnf_node.generate_vnf_instance(self.vm_flavor,
+ self.networks,
+ self.host_mgmt.get('ip'),
+ key, vnf, mac)
+ # Generate public/private keys if password or private key file is not provided
+ node = model.StandaloneContextHelper.check_update_key(self.connection,
+ node,
+ vm_name,
+ self.name,
+ cdrom_img,
+ mac)
+
+ # store vnf node details
+ nodes.append(node)
+
# NOTE: launch through libvirt
LOG.info("virsh create ...")
- Libvirt.virsh_create_vm(self.connection, cfg)
+ model.Libvirt.virsh_create_vm(self.connection, cfg)
self.vm_names.append(vm_name)
- # build vnf node details
- nodes.append(self.vnf_node.generate_vnf_instance(self.vm_flavor,
- self.networks,
- self.host_mgmt.get('ip'),
- key, vnf, mac))
-
return nodes
Code Review / yardstick.git / blobdiff