#!/bin/bash
# This script executes a chain of commands
# on all the member servers, in parallel.
# Commands are defined in .sh files (see
# docmd.sh); all failed executions are
# put to the FAILURES file
rm -f FAILURES
if [ ! -d logs ]; then
    mkdir logs
fi

if [ -z "$SERVERS" ]; then
    SERVERS="servers.txt"
fi


# Line format in $SERVERS: <hostname>:<port number>
for srvstr in `grep -v '^#' $SERVERS`; do
    (
	srv=${srvstr%:*}
	port=${srvstr#*:}
	if [[ $port  &&  $srv == $port ]]; then
	    port=
	fi
        if ! ./docmd $srv $1 $port; then
            echo $srv >> FAILURES
            echo $srv FAILED
            break
        fi
    ) &
done

wait
echo DONE