source: npl/remoteinstall @ 7c410f9

#!/bin/bash
NAMES=$1
shift



for A in $*; do
    if [ $A == "rebuild" ]; then
        BUILDCHECK=1
    elif [ $A == "reboot" ] ; then
        REBOOT=1
    else
        TARGETS="$TARGETS $A"
    fi
done

if ! [ "$NAMES" ]; then
        echo "Usage: ./remoteinstall '<pkgname pkgname ...>' <root@targethost1> <root@targethost2...> [rebuild] [reboot]"
        echo "If rebuild is specified, the packages will be rebuild-checked."
        echo "If reboot is specified, the box will be rebooted after installing. usefull for kernels"
        echo
        echo "To specify ssh/scp options such as a different port:"
        echo 'OPTS="-o port=10022" ./remoteinstall <pkgname> <root@targethost>'
        echo
        echo "Specify multiple targets this way in an easy way:"
        echo "./remoteinstall packagename 192.168.0.{123,5,21,43}"
        exit 1
fi

for TARGET in $TARGETS; do
        ./sshkeyfix $TARGET 
done

for NAME in $NAMES; do
        
        if [ "$BUILDCHECK" ]; then
                echo "* Build check:"
                ./rebuildcheck $NAME '|' $* || exit 1
        fi
        
        echo -n "* Package $NAME zoeken:"
        PKG=`./findpkg "$NAME"` || exit 1
        BASE=`basename "$PKG"` || exit 1
        echo $PKG;
        
        export OPTS
        echo "* install:"

        for TARGET in $TARGETS; do
                (
                echo "Uploading and installing"
                if scp $OPTS $PKG $TARGET:/tmp/$BASE &&
                        ssh $OPTS $TARGET "cd / && syn3-update /tmp/$BASE && rm /tmp/$BASE"; then
                        echo "Install on $TARGET OK"
                else
                        echo "######################## INSTALL ON $TARGET FAILED! ######## "
                fi
                ) | sed -u "s/^/$TARGET: /" &
        done
        
        wait
done

#run postinstallers
for TARGET in $TARGETS; do
        (
                if ssh $OPTS $TARGET "cd /; postinst.sh"; then
                        echo "Install on $TARGET OK"
                        if [ "$REBOOT" ]; then
                                echo "Rebooting box!"
                                ssh $OPTS $TARGET "reboot"
                        fi
                else
                        echo "######################## INSTALL ON $TARGET FAILED! ######## "
                fi
        ) | sed -u "s/^/$TARGET: /" &
done

wait


echo "All installs done"