Adding CO/FO access network null simulation.
Change-Id: I16db0d750325743ad38ddaa2069d4ee00e0c19d7
diff --git a/tools/test/topos/co-fo-access-null b/tools/test/topos/co-fo-access-null
new file mode 100755
index 0000000..80a3751
--- /dev/null
+++ b/tools/test/topos/co-fo-access-null
@@ -0,0 +1,148 @@
+#!/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 $0) [options] [onos-ip]"
+ echo ""
+ echo "Options:"
+ echo " -s spines"
+ echo " -l spineLinks"
+ echo " -S serviceHosts"
+ echo " -f fieldOffices"
+ echo " -a accessLeaves"
+ echo " -A accessHosts"
+ exit 1
+}
+
+spines=2
+spineLinks=2
+serviceLeafGroups="A B"
+serviceHosts=10
+fieldOffices=3
+accessLeaves=3
+accessHosts=60
+
+# Scan arguments for user/password or other options...
+while getopts s:l:a:f:A:S:?h o; do
+ case "$o" in
+ s) spines=$OPTARG;;
+ l) spineLinks=$OPTARG;;
+ a) accessLeaves=$OPTARG;;
+ f) fieldOffices=$OPTARG;;
+ A) accessHosts=$OPTARG;;
+ S) serviceHosts=$OPTARG;;
+ *) usage $0;;
+ esac
+done
+
+spinePorts=48
+let leafPorts=serviceHosts+8 # derive service ports from service hosts
+let accessPorts=accessHosts+8 # derive access ports from access hosts
+let hagPorts=accessLeaves+8 # derive hag ports from access leaves
+
+let totalHags=fieldOffices*spines
+let totalAccess=fieldOffices*accessLeaves
+
+let OPC=$OPTIND-1
+shift $OPC
+
+# Optional ONOS node IP
+node=${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 central office 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
+
+# Indexes for HAG and access leaves across all field offices
+let iagg=1
+let iacc=1
+
+# Create field offices
+for field in $(seq $fieldOffices); do
+ # Create HAG spines for each office and connect it to central office spines
+ for spine in $(seq $spines); do
+ sim "null-create-device switch Spine-${field}-${spine} ${hagPorts} 200 $(y $iagg $totalHags) grid"
+ sim "null-create-link direct Spine-${spine} Spine-${field}-${spine}"
+ let iagg=iagg+1
+ done
+
+ # Create single access leafs with links to the spines
+ for access in $(seq $accessLeaves); do
+ sim "null-create-device switch Access-${field}-${access} ${accessPorts} 400 $(y $iacc $totalAccess) grid"
+ for spine in $(seq 1 $spines); do
+ sim "null-create-link direct Spine-${field}-${spine} Access-${field}-${access}"
+ done
+
+ # Create hosts for each access single leaf
+ sim "null-create-hosts Access-${field}-${access} 10.${field}${access}.1.*" $accessHosts 700 $(y $iacc $totalAccess) 6
+
+ let iacc=iacc+1
+ done
+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}
+