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path: root/tcwg-rsync-dir.sh
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#!/bin/bash

snapshots_dir=
verbose=false

OPTS="`getopt -l dir:,verbose: -- "$@"`"
while test $# -gt 0; do
    case $1 in
	--dir) snapshots_dir="$2"; shift ;;
	--verbose) verbose="$2"; shift ;;
	--) shift; break ;;
    esac
    shift
done

if $verbose; then
    verbose="set -x"
else
    verbose=""
fi
$verbose

if [ x"$snapshots_dir" = x"" ]; then
    echo "ERROR: --dir DIR not specified"
    exit 1
fi

declare -A pids
declare -A results

todo_machines="$@"

for M in $todo_machines; do
    (
	$verbose
	rsync -az --delete $snapshots_dir-new/ $M:$snapshots_dir-new/
	ssh -fn $M "flock -x $snapshots_dir.lock -c \"rsync -a --delete ${snapshots_dir}-new/ $snapshots_dir/\""
    ) > /tmp/update-snapshots-ref.$$.$M 2>&1 &
    pids[$M]=$!
done

for M in $todo_machines; do
    set +e
    echo "Waiting completion for $M..."
    wait ${pids[$M]}
    results[$M]=$?
    set -e

    sed -e "s/^/$M: /" < /tmp/update-snapshots-ref.$$.$M
    rm /tmp/update-snapshots-ref.$$.$M
done

all_ok="0"
for M in $todo_machines; do
    if [ ${results[$M]} = 0 ]; then
	result="SUCCESS"
    else
	result="FAILED"
	all_ok="1"
    fi
    echo "$result: $M"
done

exit $all_ok