dq-on-all

#!/bin/bash

CLUSTER_START=${DQ_CLUSTER_START:-1}
CLUSTER_CNT=${DQ_CLUSTER_CNT:-24}
# not specifying array due to http://stackoverflow.com/questions/5564418/exporting-an-array-in-bash-script
EXCLUDE_START=${DQ_EXCLUDE_START:-25}
EXCLUDE_END=${DQ_EXCLUDE_END:-26}
CLUSTER_EXCLUDE=$(for i in `seq $EXCLUDE_START $EXCLUDE_END`; do echo $i; done)

CLUSTER=$(hostname -s | sed 's/[0-9]//g')
D=$(cd `dirname $0` && pwd)
Hs=$(for i in `seq $CLUSTER_START $CLUSTER_CNT`; do
        skip=false;
        for j in ${CLUSTER_EXCLUDE[@]}; do
            if [[ "$i" -eq "$j" ]]; then
                skip=true;
            fi;
        done;
        if ! $skip; then
            echo $CLUSTER$i;
        fi
      done);
SSH="ssh -q -x -o BatchMode=yes -o ConnectTimeout=10 -o ServerAliveInterval=3"
function cleanup {
    echo "Cleaning up.."
    kill -INT -- 0
    sleep 0.1
    kill -KILL -- 0
    wait
}

for h in $Hs; do
    $SSH $USER@$h CPATH=/dq:$PATH:$D:$D/scripts CPWD=$PWD $D/scripts/helper-on-all "\"$@\"" &
done

trap cleanup SIGINT
trap '' SIGTERM

wait