HBASE-7244 Provide a command or argument to startup, that formats znodes if provided
git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1478962 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack
parent
9c0387f0a9
commit
bb783d7678
17
bin/hbase
17
bin/hbase
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@ -85,6 +85,7 @@ if [ $# = 0 ]; then
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echo " rest run an HBase REST server"
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echo " rest run an HBase REST server"
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echo " thrift run the HBase Thrift server"
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echo " thrift run the HBase Thrift server"
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echo " thrift2 run the HBase Thrift2 server"
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echo " thrift2 run the HBase Thrift2 server"
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echo " clean run the HBase clean up script"
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echo ""
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echo ""
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echo "PACKAGE MANAGEMENT"
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echo "PACKAGE MANAGEMENT"
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echo " classpath dump hbase CLASSPATH"
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echo " classpath dump hbase CLASSPATH"
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@ -306,6 +307,22 @@ elif [ "$COMMAND" = "zookeeper" ] ; then
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if [ "$1" != "stop" ] ; then
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if [ "$1" != "stop" ] ; then
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HBASE_OPTS="$HBASE_OPTS $HBASE_ZOOKEEPER_OPTS"
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HBASE_OPTS="$HBASE_OPTS $HBASE_ZOOKEEPER_OPTS"
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fi
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fi
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elif [ "$COMMAND" = "clean" ] ; then
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case $1 in
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--cleanZk|--cleanHdfs|--cleanAll)
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matches="yes" ;;
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*) ;;
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esac
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if [ $# -ne 1 -o "$matches" = "" ]; then
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echo "Usage: hbase clean (--cleanZk|--cleanHdfs|--cleanAll)"
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echo "Options: "
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echo " --cleanZk cleans hbase related data from zookeeper."
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echo " --cleanHdfs cleans hbase related data from hdfs."
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echo " --cleanAll cleans hbase related data from both zookeeper and hdfs."
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exit 1;
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fi
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"$bin"/hbase-cleanup.sh $@
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exit $?
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elif [ "$COMMAND" = "classpath" ] ; then
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elif [ "$COMMAND" = "classpath" ] ; then
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echo $CLASSPATH
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echo $CLASSPATH
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@ -0,0 +1,146 @@
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#!/usr/bin/env bash
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#
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#/**
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# * Licensed to the Apache Software Foundation (ASF) under one
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# * or more contributor license agreements. See the NOTICE file
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# * distributed with this work for additional information
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# * regarding copyright ownership. The ASF licenses this file
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# * to you under the Apache License, Version 2.0 (the
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# * "License"); you may not use this file except in compliance
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# * with the License. You may obtain a copy of the License at
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# *
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# * http://www.apache.org/licenses/LICENSE-2.0
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# *
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# * Unless required by applicable law or agreed to in writing, software
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# * distributed under the License is distributed on an "AS IS" BASIS,
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# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# * See the License for the specific language governing permissions and
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# * limitations under the License.
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# */
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#
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# cleans hbase related data from zookeeper and hdfs if no hbase process is alive.
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#
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# Environment Variables
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#
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# HBASE_REGIONSERVERS File naming remote hosts.
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# Default is ${HADOOP_CONF_DIR}/regionservers
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# HADOOP_CONF_DIR Alternate conf dir. Default is ${HADOOP_HOME}/conf.
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# HBASE_CONF_DIR Alternate hbase conf dir. Default is ${HBASE_HOME}/conf.
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# HADOOP_SLAVE_SLEEP Seconds to sleep between spawning remote commands.
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# HADOOP_SLAVE_TIMEOUT Seconds to wait for timing out a remote command.
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# HADOOP_SSH_OPTS Options passed to ssh when running remote commands.
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#
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usage="Usage: hbase-cleanup.sh (zk|hdfs|all)"
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bin=`dirname "$0"`
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bin=`cd "$bin">/dev/null; pwd`
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# This will set HBASE_HOME, etc.
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. "$bin"/hbase-config.sh
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case $1 in
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--cleanZk|--cleanHdfs|--cleanAll)
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matches="yes" ;;
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*) ;;
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esac
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if [ $# -ne 1 -o "$matches" = "" ]; then
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echo $usage
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exit 1;
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fi
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format_option=$1;
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distMode=`$bin/hbase org.apache.hadoop.hbase.util.HBaseConfTool hbase.cluster.distributed | head -n 1`
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if [ "$distMode" == 'false' ];then
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echo "Skipping hbase data clearing in standalone mode." 2>&1
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exit 1;
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fi
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zparent=`$bin/hbase org.apache.hadoop.hbase.util.HBaseConfTool zookeeper.znode.parent`
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if [ "$zparent" == "null" ]; then zparent="/hbase"; fi
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hrootdir=`$bin/hbase org.apache.hadoop.hbase.util.HBaseConfTool hbase.rootdir`
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if [ "$hrootdir" == "null" ]; then hrootdir="file:///tmp/hbase-${USER}/hbase"; fi
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check_for_znodes() {
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command=$1;
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case $command in
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regionservers)
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zchild=`$bin/hbase org.apache.hadoop.hbase.util.HBaseConfTool zookeeper.znode.rs`
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if [ "$zchild" == "null" ]; then zchild="rs"; fi
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;;
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backupmasters)
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zchild=`$bin/hbase org.apache.hadoop.hbase.util.HBaseConfTool zookeeper.znode.backup.masters`
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if [ "$zchild" == "null" ]; then zchild="backup-masters"; fi
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;;
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esac
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znodes=`"$bin"/hbase zkcli ls $zparent/$zchild 2>&1 | tail -1 | sed "s/\[//" | sed "s/\]//"`
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if [ "$znodes" != "" ]; then
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echo -n "ZNode(s) [${znodes}] of $command are not expired. Exiting without cleaning hbase data."
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echo #force a newline
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exit 1;
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else
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echo -n "All ZNode(s) of $command are expired."
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fi
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echo #force a newline
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}
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execute_zk_command() {
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command=$1;
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"$bin"/hbase zkcli $command 2>&1
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}
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execute_hdfs_command() {
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command=$1;
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"$bin"/hbase org.apache.hadoop.fs.FsShell $command 2>&1
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}
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clean_up() {
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case $1 in
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--cleanZk)
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execute_zk_command "rmr ${zparent}";
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;;
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--cleanHdfs)
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execute_hdfs_command "-rmr ${hrootdir}"
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;;
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--cleanAll)
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execute_zk_command "rmr ${zparent}";
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execute_hdfs_command "-rmr ${hrootdir}"
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;;
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*)
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;;
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esac
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}
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check_znode_exists() {
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command=$1
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"$bin"/hbase zkcli stat $command 2>&1 | grep "Node does not exist\|Connection refused"
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}
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check_znode_exists $zparent
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if [ $? -ne 0 ]; then
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# make sure the online region server(s) znode(s) have been deleted before continuing
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check_for_znodes regionservers
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# make sure the backup master(s) znode(s) has been deleted before continuing
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check_for_znodes backupmasters
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# make sure the master znode has been deleted before continuing
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zmaster=`$bin/hbase org.apache.hadoop.hbase.util.HBaseConfTool zookeeper.znode.master`
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if [ "$zmaster" == "null" ]; then zmaster="master"; fi
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zmaster=$zparent/$zmaster
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check_znode_exists $zmaster
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if [ $? -ne 0 ]; then
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echo -n "Master ZNode is not expired. Exiting without cleaning hbase data."
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echo #force a new line
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exit 1
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else
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echo "Active Master ZNode also expired."
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fi
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echo #force a newline
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else
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echo "HBase parent znode ${zparent} does not exist."
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fi
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# cleans zookeeper and/or hdfs data.
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clean_up $format_option
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