76 lines
2.2 KiB
Ruby
76 lines
2.2 KiB
Ruby
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#
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# Copyright 2010 The Apache Software Foundation
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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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# Script to recreate all tables from one cluster to another
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# To see usage for this script, run:
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#
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# ${HBASE_HOME}/bin/hbase org.jruby.Main copy_tables_desc.rb
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#
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include Java
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import org.apache.commons.logging.LogFactory
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import org.apache.hadoop.hbase.HBaseConfiguration
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import org.apache.hadoop.hbase.HConstants
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import org.apache.hadoop.hbase.EmptyWatcher
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import org.apache.hadoop.hbase.client.HBaseAdmin
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import org.apache.hadoop.hbase.HTableDescriptor
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import org.apache.hadoop.conf.Configuration
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import org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper
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# Name of this script
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NAME = "copy_tables_desc"
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# Print usage for this script
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def usage
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puts 'Usage: %s.rb master_zookeeper.quorum.peers:clientport:znode_parent slave_zookeeper.quorum.peers:clientport:znode_parent' % NAME
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exit!
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end
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if ARGV.size != 2
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usage
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end
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LOG = LogFactory.getLog(NAME)
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parts1 = ARGV[0].split(":")
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parts2 = ARGV[1].split(":")
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c1 = HBaseConfiguration.create()
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c1.set(HConstants::ZOOKEEPER_QUORUM, parts1[0])
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c1.set("hbase.zookeeper.property.clientPort", parts1[1])
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c1.set(HConstants::ZOOKEEPER_ZNODE_PARENT, parts1[2])
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admin1 = HBaseAdmin.new(c1)
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c2 = HBaseConfiguration.create()
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c2.set(HConstants::ZOOKEEPER_QUORUM, parts2[0])
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c2.set("hbase.zookeeper.property.clientPort", parts2[1])
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c2.set(HConstants::ZOOKEEPER_ZNODE_PARENT, parts2[2])
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admin2 = HBaseAdmin.new(c2)
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for t in admin1.listTables()
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admin2.createTable(t)
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end
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puts "All descriptions were copied"
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