blob: 460fb6b931d44cfbba830b1dd98dff716885fd31 [file] [log] [blame]
#!/bin/bash
# -----------------------------------------------------------------------------
# Creates a spine-leaf fabric with large number of hosts using null providers
#
# Default setup as follows:
# 2 spines, can potentially be few more
# 12 leaves in total
#     2 leaf pair
#     8 non-paired
# Host per leaf up to 1K
#
# -----------------------------------------------------------------------------
function usage {
echo "usage: $(basename $0) [options] [onos-ip]"
echo ""
echo "Options:"
echo " -s spines"
echo " -l spineLinks"
echo " -S serviceHosts"
echo " -a accessLeaves"
echo " -A accessHosts"
exit 1
}
spines=2
spineLinks=2
serviceLeafGroups="A B"
serviceHosts=10
accessLeaves=8
accessHosts=100
# Scan arguments for user/password or other options...
while getopts s:l:a:A:S:?h o; do
case "$o" in
s) spines=$OPTARG;;
l) spineLinks=$OPTARG;;
a) accessLeaves=$OPTARG;;
A) accessHosts=$OPTARG;;
S) serviceHosts=$OPTARG;;
*) usage $0;;
esac
done
spinePorts=48
let leafPorts=serviceHosts+8 # derive service ports from service hosts
let accessPorts=accessHosts+8 # derive access ports from access hosts
let OPC=$OPTIND-1
shift $OPC
# config
node=${1:-$OCI}
# Create the script of ONOS commands first and then execute it all at once.
export CMDS="/tmp/fab-onos.cmds"
rm $CMDS
function sim {
echo "$@" >> $CMDS
}
function y {
let p="${3:-400} * ($1 - 1) - (${3:-400} * ($2 - 1)) / 2 + ${4:-0}"
echo $p
}
# Create spines
for spine in $(seq 1 $spines); do
sim "null-create-device switch Spine-${spine} ${spinePorts} 0 $(y $spine $spines) grid"
done
# Create 2 leaf pairs with dual links to the spines and a link between the pair
for pair in $serviceLeafGroups; do
[ $pair = A ] && l1=1 || l1=3
[ $pair = A ] && l2=2 || l2=4
sim "null-create-device switch Leaf-${pair}1 ${leafPorts} -200 $(y $l1 4) grid"
sim "null-create-device switch Leaf-${pair}2 ${leafPorts} -200 $(y $l2 4) grid"
sim "null-create-link direct Leaf-${pair}1 Leaf-${pair}2"
for spine in $(seq 1 $spines); do
for link in $(seq 1 $spineLinks); do
sim "null-create-link direct Spine-${spine} Leaf-${pair}1"
sim "null-create-link direct Spine-${spine} Leaf-${pair}2"
done
done
# Create hosts for each leaf group; multi-homed to each leaf in the pair
[ $pair = A ] && pn=1 || pn=2
[ $pair = A ] && offset=-400 || offset=400
for host in $(seq 1 $serviceHosts); do
sim "null-create-host Leaf-${pair}1,Leaf-${pair}2 10.${pn}.1.${host} -400 $(y $host $serviceHosts 60 $offset) grid"
done
done
# Create single access leafs with dual links to the spines
for access in $(seq $accessLeaves); do
sim "null-create-device switch Access-${access} ${accessPorts} 200 $(y $access $accessLeaves) grid"
for spine in $(seq 1 $spines); do
for link in $(seq 1 $spineLinks); do
sim "null-create-link direct Spine-${spine} Access-${access}"
done
done
# Create hosts for each access single leaf
sim "null-create-hosts Access-${access} 10.1${access}.1.*" $accessHosts 500 $(y $access $accessLeaves) 6
# sim "null-create-hosts Access-${access} 10.1${access}.2.*" $accessHosts
done
# make sure null providers are activated and any running simulation is stopped
onos ${node} app activate org.onosproject.null
sleep 2
onos ${node} null-simulation stop
# wait until the masterships clear-out across the cluster
while onos ${node} masters | grep -qv " 0 devices"; do sleep 1; done
# clean-up
onos ${node} wipe-out please
sleep 1
# start custom simulation..
onos ${node} null-simulation start custom
sleep 2
# Add devices, links, and hosts
cat $CMDS | onos ${node}