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executable file 74 lines (62 sloc) 2.177 kb
#!/bin/bash
#
# Copyright 2008-2009 bebo, Inc
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Syncs the entire voldemort install directory over to the other nodes using rsync. The
# script is smart enough to exclude the BDB data directories (if they are in
# their standard locations) to avoid overwriting data on the nodes. Once
# everything is synced over it prepares node.ids for each node and ships them
# over. The script is also driven by the 'nodes' file.
usage="Usage: voldemort-sync-config.sh [--config <conf-dir>]"
bin=`dirname "$0"`
bin=`cd "$bin"; pwd`
. "$bin/voldemort-config.sh"
#check to see if the conf dir is given as an optional argument
if [ $# -eq 2 ]
then
if [ "--config" = "$1" ]
then
shift
confdir=$1
shift
VOL_CONF_DIR=$confdir
fi
fi
export HOSTLIST="$VOL_CONF_DIR/config/nodes"
echo -n "Syncing config changes... "
# don't copy the local berkeley db files to all nodes
excludefile="/tmp/rsync-excludes$$"
echo "bdb" > $excludefile
cd `cd $VOL_HOME && pwd`
find config -name bdb -type d >> $excludefile
cd -
# Sync everything but BDB files over
for node in `cat "$HOSTLIST"`; do
rsync $VOL_SSH_OPTS --exclude-from $excludefile --delete -ra `cd $VOL_HOME && pwd`/ $node:`cd $VOL_HOME && pwd` && echo -n "$node " &
done
# Wait until config is all pushed out.
wait
rm $excludefile
echo "done!"
echo "Reassigning node IDs..."
nodeid=0
abs_conf_dir=`cd $VOL_CONF_DIR && pwd`
for node in `cat "$HOSTLIST"`; do
ssh $node $bin/voldemort-node-id.sh --config $abs_conf_dir $nodeid &
nodeid=$[$nodeid + 1]
done
wait
echo "Done syncing Voldemort home directory and reassigning node IDs"
exit 0
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