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#!/usr/bin/python
##
## Copyright (c) 2020 Intel Corporation
##
## 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.
##
from rapid_log import RapidLog
from prox_ctrl import prox_ctrl
import os
import re
class RapidMachine(object):
"""
Class to deal with a PROX instance (VM, bare metal, container)
"""
def __init__(self, key, user, vim, rundir, resultsdir, machine_params,
configonly):
self.name = machine_params['name']
self.ip = machine_params['admin_ip']
self.key = key
self.user = user
self.rundir = rundir
self.resultsdir = resultsdir
self.dp_ports = []
self.dpdk_port_index = []
self.configonly = configonly
index = 1
while True:
ip_key = 'dp_ip{}'.format(index)
mac_key = 'dp_mac{}'.format(index)
if ip_key in machine_params.keys() and mac_key in machine_params.keys():
dp_port = {'ip': machine_params[ip_key], 'mac' : machine_params[mac_key]}
self.dp_ports.append(dict(dp_port))
self.dpdk_port_index.append(index - 1)
index += 1
else:
break
self.machine_params = machine_params
self.vim = vim
self.cpu_mapping = None
PROXConfigfile = open (self.machine_params['config_file'], 'r')
PROXConfig = PROXConfigfile.read()
PROXConfigfile.close()
self.all_tasks_for_this_cfg = set(re.findall("task\s*=\s*(\d+)",PROXConfig))
def __del__(self):
if ((not self.configonly) and self.machine_params['prox_socket']):
self._client.scp_get('/prox.log', '{}/{}.prox.log'.format(
self.resultsdir, self.name))
def get_cores(self):
return (self.machine_params['cores'])
def expand_cpuset(self, cpuset):
"""Expand cpuset provided as comma-separated list of CPU numbers and
CPU ranges of numbers. For more information please see
https://man7.org/linux/man-pages/man7/cpuset.7.html
"""
cpuset_expanded = []
for cpu in cpuset.split(','):
if '-' in cpu:
cpu_range = cpu.split('-')
cpuset_expanded += range(int(cpu_range[0]), int(cpu_range[1]) + 1)
else:
cpuset_expanded.append(int(cpu))
return cpuset_expanded
def read_cpuset(self):
"""Read list of cpus on which we allowed to execute
"""
cmd = 'cat /sys/fs/cgroup/cpuset/cpuset.cpus'
cpuset_cpus = self._client.run_cmd(cmd).decode().rstrip()
RapidLog.debug('{} ({}): Allocated cpuset: {}'.format(self.name, self.ip, cpuset_cpus))
self.cpu_mapping = self.expand_cpuset(cpuset_cpus)
RapidLog.debug('{} ({}): Expanded cpuset: {}'.format(self.name, self.ip, self.cpu_mapping))
# Log CPU core mapping for user information
cpu_mapping_str = ''
for i in range(len(self.cpu_mapping)):
cpu_mapping_str = cpu_mapping_str + '[' + str(i) + '->' + str(self.cpu_mapping[i]) + '], '
cpu_mapping_str = cpu_mapping_str[:-2]
RapidLog.debug('{} ({}): CPU mapping: {}'.format(self.name, self.ip, cpu_mapping_str))
def remap_cpus(self, cpus):
"""Convert relative cpu ids provided as function parameter to match
cpu ids from allocated list
"""
cpus_remapped = []
for cpu in cpus:
cpus_remapped.append(self.cpu_mapping[cpu])
return cpus_remapped
def remap_all_cpus(self):
"""Convert relative cpu ids for different parameters (mcore, cores)
"""
if self.cpu_mapping is None:
RapidLog.debug('{} ({}): cpu mapping is not defined! Please check the configuration!'.format(self.name, self.ip))
return
if 'mcore' in self.machine_params.keys():
cpus_remapped = self.remap_cpus(self.machine_params['mcore'])
RapidLog.debug('{} ({}): mcore {} remapped to {}'.format(self.name, self.ip, self.machine_params['mcore'], cpus_remapped))
self.machine_params['mcore'] = cpus_remapped
if 'cores' in self.machine_params.keys():
cpus_remapped = self.remap_cpus(self.machine_params['cores'])
RapidLog.debug('{} ({}): cores {} remapped to {}'.format(self.name, self.ip, self.machine_params['cores'], cpus_remapped))
self.machine_params['cores'] = cpus_remapped
def devbind(self):
# Script to bind the right network interface to the poll mode driver
for index, dp_port in enumerate(self.dp_ports, start = 1):
DevBindFileName = self.rundir + '/devbind-{}-port{}.sh'.format(self.ip, index)
self._client.scp_put('./devbind.sh', DevBindFileName)
cmd = 'sed -i \'s/MACADDRESS/' + dp_port['mac'] + '/\' ' + DevBindFileName
result = self._client.run_cmd(cmd)
RapidLog.debug('devbind.sh MAC updated for port {} on {} {}'.format(index, self.name, result))
if ((not self.configonly) and self.machine_params['prox_launch_exit']):
result = self._client.run_cmd(DevBindFileName)
RapidLog.debug('devbind.sh running for port {} on {} {}'.format(index, self.name, result))
def generate_lua(self, appendix = ''):
self.LuaFileName = 'parameters-{}.lua'.format(self.ip)
with open(self.LuaFileName, "w") as LuaFile:
LuaFile.write('require "helper"\n')
LuaFile.write('name="%s"\n'% self.name)
for index, dp_port in enumerate(self.dp_ports, start = 1):
LuaFile.write('local_ip{}="{}"\n'.format(index, dp_port['ip']))
LuaFile.write('local_hex_ip{}=convertIPToHex(local_ip{})\n'.format(index, index))
if self.vim in ['kubernetes']:
LuaFile.write("eal=\"--socket-mem=512,0 --file-prefix %s --pci-whitelist %s\"\n" % (self.name, self.machine_params['dp_pci_dev']))
else:
LuaFile.write("eal=\"\"\n")
if 'mcore' in self.machine_params.keys():
LuaFile.write('mcore="%s"\n'% ','.join(map(str, self.machine_params['mcore'])))
if 'cores' in self.machine_params.keys():
LuaFile.write('cores="%s"\n'% ','.join(map(str, self.machine_params['cores'])))
if 'ports' in self.machine_params.keys():
LuaFile.write('ports="%s"\n'% ','.join(map(str, self.machine_params['ports'])))
if 'dest_ports' in self.machine_params.keys():
for index, dest_port in enumerate(self.machine_params['dest_ports'], start = 1):
LuaFile.write('dest_ip{}="{}"\n'.format(index, dest_port['ip']))
LuaFile.write('dest_hex_ip{}=convertIPToHex(dest_ip{})\n'.format(index, index))
LuaFile.write('dest_hex_mac{}="{}"\n'.format(index , dest_port['mac'].replace(':',' ')))
LuaFile.write(appendix)
self._client.scp_put(self.LuaFileName, self.rundir + '/parameters.lua')
self._client.scp_put('helper.lua', self.rundir + '/helper.lua')
def start_prox(self, autostart=''):
if self.machine_params['prox_socket']:
self._client = prox_ctrl(self.ip, self.key, self.user)
self._client.connect()
if self.vim in ['OpenStack']:
self.devbind()
if self.vim in ['kubernetes']:
self.read_cpuset()
self.remap_all_cpus()
_, prox_config_file_name = os.path.split(self.machine_params['config_file'])
self.generate_lua()
self._client.scp_put(self.machine_params['config_file'], '{}/{}'.format(self.rundir, prox_config_file_name))
if ((not self.configonly) and self.machine_params['prox_launch_exit']):
cmd = 'sudo {}/prox {} -t -o cli -f {}/{}'.format(self.rundir, autostart, self.rundir, prox_config_file_name)
RapidLog.debug("Starting PROX on {}: {}".format(self.name, cmd))
result = self._client.run_cmd(cmd, 'PROX Testing on {}'.format(self.name))
RapidLog.debug("Finished PROX on {}: {}".format(self.name, cmd))
def close_prox(self):
if (not self.configonly) and self.machine_params['prox_socket'] and self.machine_params['prox_launch_exit']:
self.socket.quit_prox()
def connect_prox(self):
if self.machine_params['prox_socket']:
self.socket = self._client.connect_socket()
def start(self):
self.socket.start(self.get_cores())
def stop(self):
self.socket.stop(self.get_cores())
def reset_stats(self):
self.socket.reset_stats()
def core_stats(self):
return (self.socket.core_stats(self.get_cores(), self.all_tasks_for_this_cfg))
def multi_port_stats(self):
return (self.socket.multi_port_stats(self.dpdk_port_index))
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