From bee3dc863f8f2f23b4a35cd0838ba677451b45d7 Mon Sep 17 00:00:00 2001 From: "Keith Burns (alagalah)" Date: Sun, 7 Aug 2016 09:51:05 -0700 Subject: Adding subproject: vpp-userdemo Change-Id: I79eb30c7a4130d1cf12277a68bb417b5778e9f9c Signed-off-by: Keith Burns (alagalah) --- vpp-userdemo/.gitignore | 4 +++ vpp-userdemo/README.md | 58 +++++++++++++++++++++++++++++++ vpp-userdemo/Vagrantfile | 51 +++++++++++++++++++++++++++ vpp-userdemo/bridging | 60 ++++++++++++++++++++++++++++++++ vpp-userdemo/clearinterfaces.sh | 31 +++++++++++++++++ vpp-userdemo/env.sh | 19 ++++++++++ vpp-userdemo/install.sh | 26 ++++++++++++++ vpp-userdemo/netns.sh | 62 +++++++++++++++++++++++++++++++++ vpp-userdemo/routing | 58 +++++++++++++++++++++++++++++++ vpp-userdemo/run | 16 +++++++++ vpp-userdemo/tracing | 46 ++++++++++++++++++++++++ vpp-userdemo/update.sh | 59 +++++++++++++++++++++++++++++++ vpp-userdemo/vmrun | 77 +++++++++++++++++++++++++++++++++++++++++ 13 files changed, 567 insertions(+) create mode 100644 vpp-userdemo/.gitignore create mode 100644 vpp-userdemo/README.md create mode 100644 vpp-userdemo/Vagrantfile create mode 100644 vpp-userdemo/bridging create mode 100755 vpp-userdemo/clearinterfaces.sh create mode 100755 vpp-userdemo/env.sh create mode 100755 vpp-userdemo/install.sh create mode 100755 vpp-userdemo/netns.sh create mode 100644 vpp-userdemo/routing create mode 100755 vpp-userdemo/run create mode 100644 vpp-userdemo/tracing create mode 100755 vpp-userdemo/update.sh create mode 100755 vpp-userdemo/vmrun (limited to 'vpp-userdemo') diff --git a/vpp-userdemo/.gitignore b/vpp-userdemo/.gitignore new file mode 100644 index 0000000..172ba81 --- /dev/null +++ b/vpp-userdemo/.gitignore @@ -0,0 +1,4 @@ +.vagrant/ +*~ +*# +*.cmd diff --git a/vpp-userdemo/README.md b/vpp-userdemo/README.md new file mode 100644 index 0000000..2ece28d --- /dev/null +++ b/vpp-userdemo/README.md @@ -0,0 +1,58 @@ +/* + * + * Copyright (c) 2016 Cisco and/or its affiliates. + * 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. + */ +# INTRO: + +This is a Vagrant based user demo environment for beginners with VPP + +It walks a user through +- each of the commands, +- the expected output, +- gives a file of the commands used to try themselves + +# REQUIREMENTS +- vagrant (1.8) +- virtualbox / vmware fusion + +# GETTING STARTED +- clone the repo +- modify env.sh if needed and ```source ./env.sh``` +- by default the VM uses 2 x CPUs and 4G RAM +- ```vagrant up``` +- ... run the demo + +# RUNNING DEMOs +- From the Host, where you ran ```vagrant up``` run ```./run ``` + +```./run ``` + +# DEMOs + +## routing - directly connected routing +- Creates two network namespaces c1, c2 +- A gateway interface for each on VPP +- Routes due to directly connected routes inserted into default FIB + +## bridging - directly connected interfaces into a bridge-domain +- Creates two network namespaces c1, c2 +- Adds interfaces to VPP and add them to bridge-domain 1 +- MAC addresses are automatically learned + +## tracing - how to show a "day in the life of a packet" in VPP +- Same environment as "routing" demo +- How to add a trace +- View a trace +- Interpret a trace + diff --git a/vpp-userdemo/Vagrantfile b/vpp-userdemo/Vagrantfile new file mode 100644 index 0000000..32560ef --- /dev/null +++ b/vpp-userdemo/Vagrantfile @@ -0,0 +1,51 @@ +# -*- mode: ruby -*- +# vi: set ft=ruby : + +Vagrant.configure(2) do |config| + + # Pick the right distro and bootstrap, default is ubuntu1404 + config.vm.box = "puppetlabs/ubuntu-14.04-64-nocm" + vmcpu=(ENV['VPP_VAGRANT_VMCPU'] || 2) + vmram=(ENV['VPP_VAGRANT_VMRAM'] || 4096) + + # Define some physical ports for your VMs to be used by DPDK + config.vm.network "private_network", type: "dhcp" + + config.vm.provision :shell, :path => File.join(File.dirname(__FILE__),"install.sh") + config.vm.provision :shell, :path => File.join(File.dirname(__FILE__),"clearinterfaces.sh") + + + # vagrant-cachier caches apt/yum etc to speed subsequent + # vagrant up + # to enable, run + # vagrant plugin install vagrant-cachier + # + if Vagrant.has_plugin?("vagrant-cachier") + config.cache.scope = :box + end + + # use http proxy if avaiable + if ENV['http_proxy'] && Vagrant.has_plugin?("vagrant-proxyconf") + config.proxy.http = ENV['http_proxy'] + config.proxy.https = ENV['https_proxy'] + config.proxy.no_proxy = "localhost,127.0.0.1" + end + + config.vm.provider "virtualbox" do |vb| + vb.customize ["modifyvm", :id, "--ioapic", "on"] + vb.memory = "#{vmram}" + vb.cpus = "#{vmcpu}" + end + config.vm.provider "vmware_fusion" do |fusion,override| + fusion.vmx["memsize"] = "#{vmram}" + fusion.vmx["numvcpus"] = "#{vmcpu}" + end + config.vm.provider "libvirt" do |lv| + lv.memory = "#{vmram}" + lv.cpus = "#{vmcpu}" + end + config.vm.provider "vmware_workstation" do |vws,override| + vws.vmx["memsize"] = "#{vmram}" + vws.vmx["numvcpus"] = "#{vmcpu}" + end +end diff --git a/vpp-userdemo/bridging b/vpp-userdemo/bridging new file mode 100644 index 0000000..80f29ed --- /dev/null +++ b/vpp-userdemo/bridging @@ -0,0 +1,60 @@ +#!/usr/bin/env bash +/* + * + * Copyright (c) 2016 Cisco and/or its affiliates. + * 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. + */ + +C1_IP="172.16.1.2/24" +C1_GW="172.16.1.1" +C2_IP="172.16.1.3/24" +C2_GW="172.16.1.1" + +INSTR=() +CMD=() +INSTR+=("Welcome to the bridging demo. This will show you some simple commands to connect two +linux netnamespaces to VPP via an L2 bridge.") +CMD+=("") + +INSTR+=("To show interfaces type:") +CMD+=("sudo vppctl show inter") + +INSTR+=("Lets examine our workloads c1 and c2") +CMD+=("sudo ip netns exec c1 ip -o a") + +INSTR+=("") +CMD+=("sudo ip netns exec c2 ip -o a") + +INSTR+=("To add interfaces, we add the host-side of the veth link pair.") +CMD+=("ip link") + +INSTR+=("The links we need to add are link1 and link2 so lets add them with") +CMD+=("sudo vppctl create host-interface name link1; sudo vppctl create host-interface name link2; sudo vppctl show inter") + +INSTR+=("Change the links state to up") +CMD+=("sudo vppctl set interface state host-link1 up; sudo vppctl set interface state host-link2 up; sudo vppctl show inter") + +INSTR+=("Add IP addresses for the other end of each veth link") +CMD+=("sudo vppctl set interface l2 bridge host-link1 1; sudo vppctl set interface l2 bridge host-link2 1") + +INSTR+=("You can also see the bridge-domain") +CMD+=("sudo vppctl show bridge-domain 1 detail") + +INSTR+=("At long last you probably want to see some pings") +CMD+=("sudo ip netns exec c1 ping -c3 172.16.1.3") + +INSTR+=("") +CMD+=("sudo ip netns exec c2 ping -c3 172.16.1.2") + +INSTR+=("Thanks for doing the bridging demo. To restart this demo and type these commands yourself \nvagrant ssh \nsudo /vagrant/netns.sh \ncat /vagrant/bridging.cmd") +CMD+=("") diff --git a/vpp-userdemo/clearinterfaces.sh b/vpp-userdemo/clearinterfaces.sh new file mode 100755 index 0000000..012c8c3 --- /dev/null +++ b/vpp-userdemo/clearinterfaces.sh @@ -0,0 +1,31 @@ +#!/usr/bin/env bash + +# Copyright (c) 2016 Cisco and/or its affiliates. +# 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. + + +# Capture all the interface IPs, in case we need them later +ip -o addr show > ~vagrant/ifconfiga +chown vagrant:vagrant ~vagrant/ifconfiga + +# Disable all ethernet interfaces other than the default route +# interface so VPP will use those interfaces. The VPP auto-blacklist +# algorithm prevents the use of any physical interface contained in the +# routing table (i.e. "route --inet --inet6") preventing the theft of +# the management ethernet interface by VPP from the kernel. +for intf in $(ls /sys/class/net) ; do + if [ -d /sys/class/net/$intf/device ] && + [ "$(route --inet --inet6 | grep default | grep $intf)" == "" ] ; then + ifconfig $intf down + fi +done diff --git a/vpp-userdemo/env.sh b/vpp-userdemo/env.sh new file mode 100755 index 0000000..cd212e9 --- /dev/null +++ b/vpp-userdemo/env.sh @@ -0,0 +1,19 @@ +#!/usr/bin/env bash + +# Copyright (c) 2016 Cisco and/or its affiliates. +# 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. + +export VPP_VAGRANT_DISTRO="ubuntu1404" +export VPP_VAGRANT_NICS=2 +export VPP_VAGRANT_VMCPU=4 +export VPP_VAGRANT_VMRAM=4096 diff --git a/vpp-userdemo/install.sh b/vpp-userdemo/install.sh new file mode 100755 index 0000000..f9b1422 --- /dev/null +++ b/vpp-userdemo/install.sh @@ -0,0 +1,26 @@ +#!/usr/bin/env bash + +# Copyright (c) 2016 Cisco and/or its affiliates. +# 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. + +sysctl -w vm.nr_hugepages=1024 +HUGEPAGES=`sysctl -n vm.nr_hugepages` +if [ $HUGEPAGES != 1024 ]; then + echo "ERROR: Unable to get 1024 hugepages, only got $HUGEPAGES. Cannot finish." + exit +fi + +echo "deb https://nexus.fd.io/content/repositories/fd.io.master.ubuntu.trusty.main/ ./" | sudo tee -a /etc/apt/sources.list.d/99fd.io.list +apt-get -qq update +apt-get -qq install -y --force-yes vpp vpp-dpdk-dkms bridge-utils +service vpp start diff --git a/vpp-userdemo/netns.sh b/vpp-userdemo/netns.sh new file mode 100755 index 0000000..05a6605 --- /dev/null +++ b/vpp-userdemo/netns.sh @@ -0,0 +1,62 @@ +#!/usr/bin/env bash + +# Copyright (c) 2016 Cisco and/or its affiliates. +# 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. + +if [ $USER != "root" ] ; then + #echo "Restarting script with sudo..." + sudo $0 ${*} + exit +fi + +C1_IP=$1 +C1_GW=$2 +C2_IP=$3 +C2_GW=$4 + +# Restart VPP so there is no config +service vpp restart + +# delete previous incarnations if they exist +ip link del dev veth_link1 &>/dev/null +ip link del dev veth_link2 &>/dev/null +ip netns del c1 &>/dev/null +ip netns del c2 &>/dev/null + +#create namespaces +ip netns add c1 &>/dev/null +ip netns add c2 &>/dev/null + +# create and configure 1st veth pair +ip link add name veth_link1 type veth peer name link1 +ip link set dev link1 up +ip link set dev veth_link1 up netns c1 + +ip netns exec c1 \ + bash -c " + ip link set dev lo up + ip addr add ${C1_IP} dev veth_link1 + ip route add default via ${C1_GW} dev veth_link1 +" + +# create and configure 2nd veth pair +ip link add name veth_link2 type veth peer name link2 +ip link set dev link2 up +ip link set dev veth_link2 up netns c2 + +ip netns exec c2 \ + bash -c " + ip link set dev lo up + ip addr add ${C2_IP} dev veth_link2 + ip route add default via ${C2_GW} dev veth_link2 +" diff --git a/vpp-userdemo/routing b/vpp-userdemo/routing new file mode 100644 index 0000000..02e3f91 --- /dev/null +++ b/vpp-userdemo/routing @@ -0,0 +1,58 @@ +#!/usr/bin/env bash + +# Copyright (c) 2016 Cisco and/or its affiliates. +# 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. + +C1_IP="172.16.1.2/24" +C1_GW="172.16.1.1" +C2_IP="172.16.2.2/24" +C2_GW="172.16.2.1" + +INSTR=() +CMD=() +INSTR+=("Welcome to the routing demo. This will show you some simple commands to connect two +linux netnamespaces to VPP and ping between them.") +CMD+=("") + +INSTR+=("To show interfaces type:") +CMD+=("sudo vppctl show inter") + +INSTR+=("Lets examine our workloads c1 and c2") +CMD+=("sudo ip netns exec c1 ip -o a") + +INSTR+=("") +CMD+=("sudo ip netns exec c2 ip -o a") + +INSTR+=("To add interfaces, we add the host-side of the veth link pair.") +CMD+=("ip link") + +INSTR+=("The links we need to add are link1 and link2 so lets add them with") +CMD+=("sudo vppctl create host-interface name link1; sudo vppctl create host-interface name link2; sudo vppctl show inter") + +INSTR+=("Change the links state to up") +CMD+=("sudo vppctl set interface state host-link1 up; sudo vppctl set interface state host-link2 up; sudo vppctl show inter") + +INSTR+=("Add IP addresses for the other end of each veth link") +CMD+=("sudo vppctl set interface ip address host-link1 172.16.1.1/24; sudo vppctl set interface ip address host-link2 172.16.2.1/24; sudo vppctl show interface address") + +INSTR+=("You can also see the L3 table, or FIB by doing") +CMD+=("sudo vppctl show ip fib") + +INSTR+=("At long last you probably want to see some pings") +CMD+=("sudo ip netns exec c1 ping -c3 172.16.2.2") + +INSTR+=("") +CMD+=("sudo ip netns exec c2 ping -c3 172.16.1.2") + +INSTR+=("Thanks for doing the routing demo. To restart this demo and type these commands yourself \nvagrant ssh \nsudo /vagrant/netns.sh \ncat /vagrant/routing.cmd") +CMD+=("") diff --git a/vpp-userdemo/run b/vpp-userdemo/run new file mode 100755 index 0000000..b3582de --- /dev/null +++ b/vpp-userdemo/run @@ -0,0 +1,16 @@ +#!/usr/bin/env bash + +# Copyright (c) 2016 Cisco and/or its affiliates. +# 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. + +vagrant ssh -c "/vagrant/vmrun /vagrant/${1}" diff --git a/vpp-userdemo/tracing b/vpp-userdemo/tracing new file mode 100644 index 0000000..11b189a --- /dev/null +++ b/vpp-userdemo/tracing @@ -0,0 +1,46 @@ +#!/usr/bin/env bash + +# Copyright (c) 2016 Cisco and/or its affiliates. +# 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. + +C1_IP="172.16.1.2/24" +C1_GW="172.16.1.1" +C2_IP="172.16.2.2/24" +C2_GW="172.16.2.1" + +INSTR=() +CMD=() +INSTR+=("Welcome to the tracing demo. This will show you some simple commands to connect two +linux netnamespaces to VPP and show packet tracing.") +CMD+=("") + +INSTR+=("The links we need to add are link1 and link2 so lets add them with") +CMD+=("sudo vppctl create host-interface name link1; sudo vppctl create host-interface name link2; sudo vppctl set interface state host-link1 up; sudo vppctl set interface state host-link2 up; sudo vppctl show inter") + +INSTR+=("Add IP addresses for the other end of each veth link") +CMD+=("sudo vppctl set interface ip address host-link1 172.16.1.1/24; sudo vppctl set interface ip address host-link2 172.16.2.1/24; sudo vppctl show interface address") + +INSTR+=("Lets add the trace command for the graph-node our type of interface af-packet...") +CMD+=("sudo vppctl trace add af-packet-input 50") + +INSTR+=("At long last you probably want to see some pings") +CMD+=("sudo ip netns exec c1 ping -c3 172.16.2.2") + +INSTR+=("") +CMD+=("sudo ip netns exec c2 ping -c3 172.16.1.2") + +INSTR+=("Viewing the trace:") +CMD+=("sudo vppctl show trace") + +INSTR+=("Thanks for doing the tracing demo. To restart this demo and type these commands yourself \nvagrant ssh \nsudo /vagrant/netns.sh \ncat /vagrant/tracing.cmd") +CMD+=("") diff --git a/vpp-userdemo/update.sh b/vpp-userdemo/update.sh new file mode 100755 index 0000000..9483014 --- /dev/null +++ b/vpp-userdemo/update.sh @@ -0,0 +1,59 @@ +#!/bin/bash +# Copyright (c) 2016 Cisco and/or its affiliates. +# 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. + +# Make sure that we get the hugepages we need on provision boot +# Note: The package install should take care of this at the end +# But sometimes after all the work of provisioning, we can't +# get the requested number of hugepages without rebooting. +# So do it here just in case +sysctl -w vm.nr_hugepages=1024 +HUGEPAGES=`sysctl -n vm.nr_hugepages` +if [ $HUGEPAGES != 1024 ]; then + echo "ERROR: Unable to get 1024 hugepages, only got $HUGEPAGES. Cannot finish." + exit +fi + +exit 0 + +# Figure out what system we are running on +if [ -f /etc/lsb-release ];then + . /etc/lsb-release +elif [ -f /etc/redhat-release ];then + yum install -y redhat-lsb + DISTRIB_ID=`lsb_release -si` + DISTRIB_RELEASE=`lsb_release -sr` + DISTRIB_CODENAME=`lsb_release -sc` + DISTRIB_DESCRIPTION=`lsb_release -sd` +fi + +# Do initial setup for the system +if [ $DISTRIB_ID == "Ubuntu" ]; then + # Fix grub-pc on Virtualbox with Ubuntu + export DEBIAN_FRONTEND=noninteractive + + # Standard update + upgrade dance + apt-get update + apt-get upgrade -y + + # Fix the silly notion that /bin/sh should point to dash by pointing it to bash + + update-alternatives --install /bin/sh sh /bin/bash 100 + + # Install useful but non-mandatory tools + apt-get install -y emacs git-review gdb gdbserver brctl +elif [ $DISTRIB_ID == "CentOS" ]; then + # Standard update + upgrade dance + yum check-update + yum update -y +fi diff --git a/vpp-userdemo/vmrun b/vpp-userdemo/vmrun new file mode 100755 index 0000000..25c674e --- /dev/null +++ b/vpp-userdemo/vmrun @@ -0,0 +1,77 @@ +#!/usr/bin/env bash +# Copyright (c) 2016 Cisco and/or its affiliates. +# 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. + +if [ $USER != "root" ] ; then + #echo "Restarting script with sudo..." + sudo $0 ${*} + exit +fi + +if [ -z "$1" ]; then + echo "You must specify a demo name" + exit 0; +fi + +if [ -f "$1" ]; then + DEMO=$1 +else + echo "This is not a valid filename" + exit 0; +fi + +source $DEMO + +RED='\033[0;31m' +GREEN='\033[0;32m' +NC='\033[0m' + +function pause { + echo ""; echo "" + read -n1 -r -p "Press space to continue..." key + printf "\033c" +} + +function instruction { + + eval INSTR="$1" + eval CMD="$2" + echo "" + echo -e "${RED}********************************************************************************${NC} \n" + echo -e "${RED} ${INSTR} ${NC}" + echo -e "${GREEN} ${CMD} ${NC} \n" + echo -e "${RED}********************************************************************************${NC} \n" +} + +#Clear and set netns and veths +/vagrant/netns.sh $C1_IP $C1_GW $C2_IP $C2_GW + +#Clear the screen +printf "\033c" + +if [ -e $DEMO.cmd ]; then + rm $DEMO.cmd +fi + +#Loop through instructions and commands from filename input as $1 +for ((i=0;i<${#INSTR[@]};++i)); do + instruction "\${INSTR[i]}" "\${CMD[i]}" + eval "${CMD[i]}" + echo -e "${CMD[i]}" >> $DEMO.cmd + pause +done + + +exit 0 + + -- cgit 1.2.3-korg