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#!/bin/bash
#
# Build a base machine for CentOS distro
#
# Copyright 2015 OPNFV
#
# 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.
#
# Contributors:
#   Aihua Li, Huawei Technologies.
#   Martin Klozik, Intel Corporation.

# Synchronize package index files
yum -y update

# Install required packages
yum -y install $(echo "

# Make, Compilers and devel
make
gcc
gcc-c++
libxml2
glibc
kernel-devel

# tools
wget
git
scl-utils
vim
curl
autoconf
libtool
automake
pciutils
cifs-utils
sysstat

# libs
libpcap-devel
libnet
fuse
fuse-libs
fuse-devel
zlib
zlib-devel
glib2-devel
pixman-devel
socat

# install gvim
vim-X11

# install epel release required for git-review
epel-release
" | grep -v ^#)

# install SCL for python33
wget https://www.softwarecollections.org/en/scls/rhscl/python33/epel-7-x86_64/download/rhscl-python33-epel-7-x86_64.noarch.rpm
rpm -i rhscl-python33-epel-7-x86_64.noarch.rpm

# install python33 packages and git-review tool
yum -y install $(echo "
python33
python33-python-tkinter
git-review
" | grep -v ^#)
def add_ip_to_namespace_eth(port, name, ip_addr, cidr): """ Assign port ip address in namespace :param port: port to assign ip to :param name: namespace where port resides :param ip_addr: ip address in dot notation format :param cidr: cidr as string :return: """ ip_string = '{}/{}'.format(ip_addr, cidr) tasks.run_task(['sudo', 'ip', 'netns', 'exec', name, 'ip', 'addr', 'add', ip_string, 'dev', port], _LOGGER, 'Assigning ip to port {}...'.format(port), False) def assign_port_to_namespace(port, name, port_up=False): """ Assign NIC port to namespace :param port: port name as string :param name: namespace name as string :param port_up: Boolean if the port should be brought up on assignment :return: None """ tasks.run_task(['sudo', 'ip', 'link', 'set', 'netns', name, 'dev', port], _LOGGER, 'Assigning port {} to namespace {}...'.format( port, name), False) if port_up: tasks.run_task(['sudo', 'ip', 'netns', 'exec', name, 'ip', 'link', 'set', port, 'up'], _LOGGER, 'Bringing up port {}...'.format(port), False) def create_namespace(name): """ Create a linux namespace. Raises RuntimeError if namespace already exists in the system. :param name: name of the namespace to be created as string :return: None """ if name in get_system_namespace_list(): raise RuntimeError('Namespace already exists in system') # touch some files in a tmp area so we can track them separately from # the OS's internal namespace tracking. This allows us to track VSPerf # created namespaces so they can be cleaned up if needed. if not os.path.isdir('/tmp/namespaces'): try: os.mkdir('/tmp/namespaces') except os.error: # OK don't crash, but cleanup may be an issue... _LOGGER.error('Unable to create namespace temp folder.') _LOGGER.error( 'Namespaces will not be removed on test case completion') if os.path.isdir('/tmp/namespaces'): with open('/tmp/namespaces/{}'.format(name), 'a'): os.utime('/tmp/namespaces/{}'.format(name), None) tasks.run_task(['sudo', 'ip', 'netns', 'add', name], _LOGGER, 'Creating namespace {}...'.format(name), False) tasks.run_task(['sudo', 'ip', 'netns', 'exec', name, 'ip', 'link', 'set', 'lo', 'up'], _LOGGER, 'Enabling loopback interface...', False) def delete_namespace(name): """ Delete linux network namespace :param name: namespace to delete :return: None """ # delete the file if it exists in the temp area if os.path.exists('/tmp/namespaces/{}'.format(name)): os.remove('/tmp/namespaces/{}'.format(name)) tasks.run_task(['sudo', 'ip', 'netns', 'delete', name], _LOGGER, 'Deleting namespace {}...'.format(name), False) def get_system_namespace_list(): """ Return tuple of strings for namespaces on the system :return: tuple of namespaces as string """ return tuple(os.listdir('/var/run/netns')) if os.path.exists( '/var/run/netns') else tuple() def get_vsperf_namespace_list(): """ Return a tuple of strings for namespaces created by vsperf testcase :return: tuple of namespaces as string """ if os.path.isdir('/tmp/namespaces'): return tuple(os.listdir('/tmp/namespaces')) else: return [] def reset_port_to_root(port, name): """ Return the assigned port to the root namespace :param port: port to return as string :param name: namespace the port currently resides :return: None """ tasks.run_task(['sudo', 'ip', 'netns', 'exec', name, 'ip', 'link', 'set', port, 'netns', '1'], _LOGGER, 'Assigning port {} to namespace {}...'.format( port, name), False) # pylint: disable=unused-argument # pylint: disable=invalid-name def validate_add_ip_to_namespace_eth(result, port, name, ip_addr, cidr): """ Validation function for integration testcases """ ip_string = '{}/{}'.format(ip_addr, cidr) return ip_string in ''.join(tasks.run_task( ['sudo', 'ip', 'netns', 'exec', name, 'ip', 'addr', 'show', port], _LOGGER, 'Validating ip address in namespace...', False)) def validate_assign_port_to_namespace(result, port, name, port_up=False): """ Validation function for integration testcases """ # this could be improved...its not 100% accurate return port in ''.join(tasks.run_task( ['sudo', 'ip', 'netns', 'exec', name, 'ip', 'addr'], _LOGGER, 'Validating port in namespace...')) def validate_create_namespace(result, name): """ Validation function for integration testcases """ return name in get_system_namespace_list() def validate_delete_namespace(result, name): """ Validation function for integration testcases """ return name not in get_system_namespace_list() def validate_reset_port_to_root(result, port, name): """ Validation function for integration testcases """ return not validate_assign_port_to_namespace(result, port, name)