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#!/bin/bash
# -----------------------------------------------------------------------------
# Allows a select group of commands to be sent to all ONOS instances in a cell.
# -----------------------------------------------------------------------------
set -o pipefail
IFS=$'\n'
source ogroup-opts
function err() {
printf '%s: %s: %s\n' "$(basename $0)" "$1" "$2" >&2
usage >&2
exit 1
}
function usage() {
cat << EOF
usage: $(basename $0) <help|[command]>
Sends a command to all ONOS instances in the current cell. Currently supported
commands are: $GOPTS
options:
[command] : A command to send to the instances.
help : Displays this message and exits.
notes:
Hitting <TAB> will display the options for $(basename $0).
EOF
}
# gets the utility name
function getcmd() {
# check that utility can be run in "batch-mode"
local isgopt=false
for c in $(printf '%s' "$GOPTS" | tr ' ' $'\n'); do
[ "$c" = "$1" ] && isgopt=true && break
done
if $isgopt ; then
printf 'onos-%s' "$1"
else
err 'unsupported command' "$1"
fi
}
# early sanity check for instances/arguments
[ -z "$1" ] && usage && exit 0
OCIS=( $(env | sed -ne 's:OC[0-9]\{1,\}=\(.*\):\1 :g p' | sort -k1) )
if [ -z "$OCIS" ]; then
printf "no controller instances, quitting early" >&2 && exit 0
fi
CMD_HELP=false
while [ $# -gt 0 ]; do
case "$1" in
'help')
usage && exit 0
;;
'-'?)
err 'invalid flag' "$1" && exit 1
;;
*)
cmd=$(getcmd $1) || exit 1
shift
# grab flags aimed at the utility being called.
argv=( $@ )
args=()
for i in "${!argv[@]}"; do
# 'help' is a parameter for us; '-h' is for the command
[ "${argv[$i]}" = 'help' ] && break
[ "${argv[$i]}" = '-h' ] && CMD_HELP=true
args[$i]="${argv[$i]}"
shift
done
continue
;;
esac
shift
done
( $CMD_HELP ) && $cmd '-h' && exit 0
# TODO: verbose-mode and cleanup
for i in ${OCIS[@]}; do
${cmd} $(echo ${args[@]}) "$i" 2>/dev/null &
done
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