#!/bin/bash

set -e # NB don't set -u, as weave's config.sh doesn't like that.

. ./config.sh

echo Copying scope images and scripts to hosts
for HOST in $HOSTS; do
    SIZE=$(stat --printf="%s" ../scope.tar)
    cat ../scope.tar | pv -N "scope.tar" -s $SIZE | $SSH -C $HOST sudo docker load
    upload_executable $HOST ../scope
    upload_executable $HOST ../scope /usr/local/scope/bin/scope
done

setup_host() {
    local HOST=$1
    echo Installing weave on $HOST
    # Download the latest released weave script locally,
    # for use by weave_on
    curl -sL git.io/weave -o ./weave
    chmod a+x ./weave
    run_on $HOST "sudo curl -sL git.io/weave -o /usr/local/bin/weave"
    run_on $HOST "sudo chmod a+x /usr/local/bin/weave"
    weave_on $HOST setup

    echo Prefetching Images on $HOST
    docker_on $HOST pull peterbourgon/tns-db
    docker_on $HOST pull alpine
    docker_on $HOST pull nginx
}

for HOST in $HOSTS; do
    setup_host $HOST &
done

wait