ruussh

#!/bin/bash
#
# Copyright (c) 2012 Stuart.Lynne@gmail.com
#
#

#
# Usage: ruussh inputdir outputdir user@remote command arg1 arg2 .... 
#
# 1. Pipes the contents of the specified input directory as a TGZ stream 
# 2. To an ssh invocation of the uussh command pass the command and args.
# 3. Captures the returned TGZ stream and unpacks in the outputdir.
# 

PATH=$PATH:/usr/local/bin

STDERR() {
        /bin/echo $* 1>&2
}
onerror() {
        STDERR onerror: $*
        figlet ERROR 1>&2
        exit
}
killme() {
        set +x
        STDERR -en "\n\n$*\n\n"
        kill -1 $$ 1>&2
}

trap onerror 1 2 9 15

FIGLET() {
        figlet -w 130 $*
}

section() {
cat 1>&2 <<-EOF

----------------------------------------------------------------
$*

EOF
}
        

[ $# -ge 4 ] || usage

INPUTDIR=$1; shift
OUTPUTDIR=$1; shift
REMOTE=$1; shift
COMMAND=$1; shift
ARGS=$*

STDERR
STDERR REMOTE: $REMOTE
STDERR INPUTDIR: ${INPUTDIR}
STDERR OUTPUTDIR: ${OUTPUTDIR}
STDERR COMMANDS: ${COMMAND}
STDERR ARGS: ${ARGS}

[ -d "${INPUTDIR}" ] || killme CANNOT SEE INPUTDIR $INPUTDIR
[ -d "${OUTPUTDIR}" ] && rm -rf "${OUTPUTDIR}"
mkdir -p ${OUTPUTDIR[@]} || killme CANNOT MKDIR ${OUTPUTDIR[@]}

( 
        cd ${INPUTDIR} 1>&2 || killme CANNOT CD INTO ${INPUTDIR}

        tar cfhz - . || killme TGZ CFHZ FAILED 

) | time -p ssh ${REMOTE} /usr/local/bin/uussh ${COMMAND} ${ARGS} | \
(
        if [ "${OUTPUTDIR}" = "-" ] ; then

                cat > /dev/null
        else

                cd ${OUTPUTDIR} 1>&2 || killme CANNOT CD INTO ${OUTPUTDIR}
                tar xfz - || killme TGZ XFZ FAILED 

        fi
)