#!/bin/bash
# -----------------------------------------------------------------------------
# Executes a command on all ONOS instances in a cluster and matches the output
# from each instance to the passed one.
# First argument is the command and it's arguments if needed, then --expect and
# after it the string of what the output should be.
# Example:
# onos-cluster-execute-expect fooCommand fooParamenter --expect fooOutputString
# -----------------------------------------------------------------------------

[ ! -d "$ONOS_ROOT" ] && echo "ONOS_ROOT is not defined" >&2 && exit 1
. $ONOS_ROOT/tools/build/envDefaults


aux=/tmp/stc/stc-$$.log
trap "rm -f $aux 2>/dev/null" EXIT
cmd=""
for a in ${*:1}; do shift; if [ "$a" = "--expect" ]; then break; fi; cmd="$cmd $a"; done
expect="${@: -1}"
echo $cmd
echo "expect ${expect}"
node_count=`onos $OC1 nodes | wc -l`
# FIMXE: This only works if nodes are sequential
# For dynamic clustering we could grab the IPs from 'nodes'
for i in `seq 1 $node_count`; do
    node_var="OC$i"
    onos ${!node_var} $cmd > $aux
    cat $aux
    grep -q $expect $aux || exit 1
done
echo "expected value found"
exit 0