+#!/bin/bash
+
+##
+# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
+# This file is part of openvim
+# All Rights Reserved.
+#
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: nfvlabs@tid.es
+##
+
+# Authors: Antonio Lopez, Pablo Montes, Alfonso Tierno
+# June 2015
+
+# Personalize RHEL7.1 on compute nodes
+# Prepared to work with the following network card drivers:
+# tg3, igb drivers for management interfaces
+# ixgbe (Intel Niantic) and i40e (Intel Fortville) drivers for data plane interfaces
+
+# To download:
+# wget https://raw.githubusercontent.com/nfvlabs/openmano/master/scripts/configure-compute-node-develope-UBUNTU16.04.sh
+# To execute:
+# chmod +x ./configure-compute-node-RHEL7.1.sh
+# sudo ./configure-compute-node-RHEL7.1.sh <user> <iface>
+
+# Assumptions:
+# All virtualization options activated on BIOS (vt-d, vt-x, SR-IOV, no power savings...)
+# RHEL7.1 installed without /home partition and with the following packages selection:
+# @base, @core, @development, @network-file-system-client, @virtualization-hypervisor, @virtualization-platform, @virtualization-tools
+
+interfaced_path='/etc/network/interfaces.d/'
+#interfaced_path='/home/ubuntu/openvim_install/openvim/test-inter/'
+set_mtu_path='/etc/'
+VLAN_INDEX=20
+function _usage(){
+
+ echo -e "Usage: sudo $0 [-y] <user-name> <iface-name>"
+ echo -e " Configure compute host for VIM usage. (version 0.4). Params:"
+ echo -e " -y do not prompt for confirmation. If a new user is created, the user name is set as password"
+ echo -e " <user-name> Create if not exist and configure this user for openvim to connect"
+ echo -e " <iface-name> if suplied creates bridge interfaces on this interface, needed for openvim"
+}
+
+function _interface_cfg_generator(){
+ #$1 interface name | $2 MTU | $3 type
+
+echo "
+auto ${1}
+iface ${1} inet ${3}
+ mtu ${2}
+ ${bridge_ports}
+" >> ${interfaced_path}${1}."cfg"
+}
+
+
+function _interface_cfg_generator(){
+ #$1 interface name | $2 vlan | $3 virbrMan | $4 MTU
+
+echo "
+auto ${1}.${2}
+iface ${1}.${2} inet manual
+ mtu ${4}
+ post-up vconfig add ${1} ${2}
+ post-down vconfig rem ${1}.${2}
+
+auto ${3}
+iface ${3} inet manual
+ bridge_ports ${1}.${2}
+ mtu ${4}
+ vlan-raw-device $1
+" >> ${interfaced_path}${1}.${2}."cfg"
+}
+
+function _install_user() {
+ # create user given by the user and add to groups need it.
+ # Add required groups
+ groupadd -f admin
+ groupadd -f libvirt #for other operating systems may be libvirtd
+
+ # Adds user, default password same as name
+ if grep -q "^${user_name}:" /etc/passwd
+ then
+ #user exist, add to group
+ echo "adding user ${user_name} to groups libvirt,admin"
+ usermod -a -G libvirt,admin -g admin ${user_name}
+ else
+ #create user if it does not exist
+ [ -z "$FORCE" ] && read -p "user '${user_name}' does not exist, create (Y/n)" kk
+ if ! [ -z "$kk" -o "$kk"="y" -o "$kk"="Y" ]
+ then
+ exit
+ fi
+ echo "creating and configuring user ${user_name}"
+ useradd -m -G libvirt,admin -g admin ${user_name}
+ #Password
+ if [ -z "$FORCE" ]
+ then
+ echo "Provide a password for ${user_name}"
+ passwd ${user_name}
+ else
+ echo -e "$user_name\n$user_name" | passwd --stdin ${user_name}
+ fi
+ fi
+
+}
+
+function _openmano_img_2_libvirt_img(){
+ # Links the OpenMANO required folder /opt/VNF/images to /var/lib/libvirt/images.
+ # The OS installation
+ # should have only a / partition with all possible space available
+
+ echo " link /opt/VNF/images to /var/lib/libvirt/images"
+ if [ "$user_name" != "" ]
+ then
+ # The orchestator needs to link the images folder
+ rm -f /opt/VNF/images
+ mkdir -p /opt/VNF/
+ ln -s /var/lib/libvirt/images /opt/VNF/images
+ chown -R ${user_name}:admin /opt/VNF
+ chown -R root:admin /var/lib/libvirt/images
+ chmod g+rwx /var/lib/libvirt/images
+ else
+ mkdir -p /opt/VNF/images
+ chmod o+rx /opt/VNF/images
+ fi
+}
+
+function _install_pacckags_dependences()
+{
+ # Required packages by openvim
+ apt-get -y update
+ apt-get -y install grub-common screen virt-manager ethtool build-essential \
+ x11-common x11-utils libguestfs-tools hwloc libguestfs-tools \
+ numactl vlan nfs-common nfs-kernel-server
+ echo "Remove unneeded packages....."
+ apt-get -y autoremove
+}
+
+function _network_configuration(){
+ # adding vlan support
+ grep -q '8021q' '/etc/modules'; [ $? -eq 1 ] && sudo su -c 'echo "8021q" >> /etc/modules'
+
+ #grep -q ${interface} '/etc/network/interfaces.d/50-cloud-init.cfg'; [ $? -eq 0 ] && sed -e '/'${interface}'/ s/^#*/#/' -i '/etc/network/interfaces.d/50-cloud-init.cfg'
+
+ # Network interfaces static configuration
+ echo "Interface ==> $interface"
+ if [ -n "$interface" ]
+ then
+ # For management and data interfaces
+ rm -f /etc/udev/rules.d/pci_config.rules # it will be created to define VFs
+ # Set ONBOOT=on and MTU=9000 on the interface used for the bridges
+ echo "configuring iface $interface"
+
+ # Static network interface configuration and MTU
+ MTU=9000
+ virbrMan_interface_number=20
+
+ #Create bridge interfaces
+ echo "Creating bridge ifaces: "
+ for ((i =1; i <= ${virbrMan_interface_number}; i++))
+ do
+ i2digits=${i}
+ [ ${i} -lt 10 ] && i2digits="0${i}"
+ echo " ${interface} ${VLAN_INDEX}${i2digits}"
+ echo " virbrMan${i} vlan ${VLAN_INDEX}${i2digits}"
+ j=${i}
+ #$1 interface name | $2 vlan | $3 MTU | $3 virbrMan | $4 bridge_ports
+ _interface_cfg_generator ${interface} ${VLAN_INDEX}${i2digits} 'virbrMan'${i} ${MTU}
+ done
+
+ fi
+}
+
+function _disable_aaparmor(){
+ #Deactivating apparmor while looking for a better solution
+ /etc/init.d/apparmor stop
+ update-rc.d -f apparmor remove
+}
+
+function _check_interface(){
+ #check if interface given as an argument exits
+ if [ -n "$1" ] && ! ifconfig $1 &> /dev/null
+ then
+ echo "Error: interface '$1' is not present in the system"\n
+ _usage
+ exit 1
+ fi
+}
+
+function _user_remainder_pront()
+{
+ echo
+ echo "Do not forget to create a shared (NFS, Samba, ...) where original virtual machine images are allocated"
+ echo
+ echo "Do not forget to copy the public ssh key into /home/${user_name}/.ssh/authorized_keys for authomatic login from openvim controller"
+ echo
+ echo "Reboot the system to make the changes effective"
+}
+
+function _libvirt_configuration(){
+ # Libvirt options for openvim
+ echo "configure Libvirt options"
+ sed -i 's/#unix_sock_group = "libvirt"/unix_sock_group = "libvirt"/' /etc/libvirt/libvirtd.conf
+ sed -i 's/#unix_sock_rw_perms = "0770"/unix_sock_rw_perms = "0770"/' /etc/libvirt/libvirtd.conf
+ sed -i 's/#unix_sock_dir = "\/var\/run\/libvirt"/unix_sock_dir = "\/var\/run\/libvirt"/' /etc/libvirt/libvirtd.conf
+ sed -i 's/#auth_unix_rw = "none"/auth_unix_rw = "none"/' /etc/libvirt/libvirtd.conf
+
+ chmod a+rwx /var/lib/libvirt/images
+ mkdir /usr/libexec/
+ pushd /usr/libexec/
+ ln -s /usr/bin/qemu-system-x86_64 qemu-kvm
+ popd
+}
+
+function _hostinfo_config()
+{
+
+ echo "#By default openvim assumes control plane interface naming as em1,em2,em3,em4 " > /opt/VNF/images/hostinfo.yaml
+ echo "creating local information /opt/VNF/images/hostinfo.yaml"
+ echo "#and bridge ifaces as virbrMan1, virbrMan2, ..." >> /opt/VNF/images/hostinfo.yaml
+ echo "#if compute node contain a different name it must be indicated in this file" >> /opt/VNF/images/hostinfo.yaml
+ echo "#with the format extandard-name: compute-name" >> /opt/VNF/images/hostinfo.yaml
+ chmod o+r /opt/VNF/images/hostinfo.yaml
+}
+
+function _get_opts()
+{
+ [[ ${BASH_SOURCE[0]} != $0 ]] && ___exit="return" || ___exit="exit"
+
+ options="$1"
+ shift
+
+ get_argument=""
+ #reset variables
+ params=""
+ for option_group in $options
+ do
+ _name=${option_group%%:*}
+ _name=${_name%=}
+ _name=${_name//-/_}
+ eval option_${_name}='""'
+ done
+
+ while [[ $# -gt 0 ]]
+ do
+ argument="$1"
+ shift
+ if [[ -n $get_argument ]]
+ then
+ [[ ${argument:0:1} == "-" ]] && echo "option '-$option' requires an argument" >&2 && $___exit 1
+ eval ${get_argument}='"$argument"'
+ #echo option $get_argument with argument
+ get_argument=""
+ continue
+ fi
+
+
+ #short options
+ if [[ ${argument:0:1} == "-" ]] && [[ ${argument:1:1} != "-" ]] && [[ ${#argument} -ge 2 ]]
+ then
+ index=0
+ while index=$((index+1)) && [[ $index -lt ${#argument} ]]
+ do
+ option=${argument:$index:1}
+ bad_option=y
+ for option_group in $options
+ do
+ _name=""
+ for o in $(echo $option_group | tr ":=" " ")
+ do
+ [[ -z "$_name" ]] && _name=${o//-/_}
+ #echo option $option versus $o
+ if [[ "$option" == "${o}" ]]
+ then
+ eval option_${_name}='${option_'${_name}'}-'
+ bad_option=n
+ if [[ ${option_group:${#option_group}-1} != "=" ]]
+ then
+ continue
+ fi
+ if [[ ${#argument} -gt $((index+1)) ]]
+ then
+ eval option_${_name}='"${argument:$((index+1))}"'
+ index=${#argument}
+ else
+ get_argument=option_${_name}
+ #echo next should be argument $argument
+ fi
+
+ break
+ fi
+ done
+ done
+ [[ $bad_option == y ]] && echo "invalid argument '-$option'? Type -h for help" >&2 && $___exit 1
+ done
+ elif [[ ${argument:0:2} == "--" ]] && [[ ${#argument} -ge 3 ]]
+ then
+ option=${argument:2}
+ option_argument=${option#*=}
+ option_name=${option%%=*}
+ [[ "$option_name" == "$option" ]] && option_argument=""
+ bad_option=y
+ for option_group in $options
+ do
+ _name=""
+ for o in $(echo $option_group | tr ":=" " ")
+ do
+ [[ -z "$_name" ]] && _name=${o//-/_}
+ #echo option $option versus $o
+ if [[ "$option_name" == "${o}" ]]
+ then
+ bad_option=n
+ if [[ ${option_group:${#option_group}-1} != "=" ]]
+ then #not an argument
+ [[ -n "${option_argument}" ]] && echo "option '--${option%%=*}' do not accept an argument " >&2 && $___exit 1
+ eval option_${_name}='"${option_'${_name}'}-"'
+ elif [[ -n "${option_argument}" ]]
+ then
+ eval option_${_name}='"${option_argument}"'
+ else
+ get_argument=option_${_name}
+ #echo next should be argument $argument
+ fi
+ break
+ fi
+ done
+ done
+ [[ $bad_option == y ]] && echo "invalid argument '-$option'? Type -h for help" >&2 && $___exit 1
+ elif [[ ${argument:0:2} == "--" ]]
+ then
+ option__="$*"
+ bad_option=y
+ for o in $options
+ do
+ if [[ "$o" == "--" ]]
+ then
+ bad_option=n
+ option__=" $*"
+ break
+ fi
+ done
+ [[ $bad_option == y ]] && echo "invalid argument '--'? Type -h for help" >&2 && $___exit 1
+ break
+ else
+ params="$params ${argument}"
+ fi
+
+ done
+
+ [[ -n "$get_argument" ]] && echo "option '-$option' requires an argument" >&2 && $___exit 1
+ $___exit 0
+
+}
+
+function _parse_opts()
+{
+ FORCE=""
+ if [ -n "$option_help" ];
+ then
+ _usage
+ exit -1
+ fi
+
+ if [ -n "$option_force" ];
+ then
+ FORCE="yes"
+ echo "force = yes"
+ fi
+
+ [ -z "$option_user" ] && echo -e "ERROR: User argument is mandatory, --user=<user>\n" && usage
+ USER=${option_user}
+ echo "user_name = "$option_user
+
+ [ -z "$option_iface_name" ] && echo -e "ERROR: User argument is mandatory, --user=<user>\n" && usage
+ interface=$option_iface_name
+
+}
+#1 CHECK input parameters
+#1.1 root privileges
+[ "${USER}" != "root" ] && echo "Needed root privileges" && _usage && exit -1
+
+
+#Parse opts
+_get_opts "help:h force:f user:u= iface-name:in= " $*
+_parse_opts
+
+echo "checking interface "$interface
+
+_check_interface $interface
+
+echo '
+#################################################################
+##### INSTALL USER #####
+#################################################################'
+_install_user
+
+echo '
+#################################################################
+##### INSTALL NEEDED PACKETS #####
+#################################################################'
+_install_pacckags_dependences
+
+echo '
+#################################################################
+##### OTHER CONFIGURATION #####
+#################################################################'
+_openmano_img_2_libvirt_img
+_hostinfo_config
+_libvirt_configuration
+
+echo '
+#################################################################
+##### NETWORK CONFIGURATION #####
+#################################################################'
+_network_configuration
+_disable_aaparmor
+_user_remainder_pront
+
+
+