131 lines
3.8 KiB
Bash
Executable File
131 lines
3.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# 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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# Stop hadoop dfs daemons.
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# Run this on master node.
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## @description usage info
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## @audience private
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## @stability evolving
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## @replaceable no
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function hadoop_usage
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{
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echo "Usage: stop-dfs.sh"
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}
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this="${BASH_SOURCE-$0}"
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bin=$(cd -P -- "$(dirname -- "${this}")" >/dev/null && pwd -P)
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# let's locate libexec...
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if [[ -n "${HADOOP_HOME}" ]]; then
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HADOOP_DEFAULT_LIBEXEC_DIR="${HADOOP_HOME}/libexec"
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else
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HADOOP_DEFAULT_LIBEXEC_DIR="${bin}/../libexec"
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fi
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HADOOP_LIBEXEC_DIR="${HADOOP_LIBEXEC_DIR:-$HADOOP_DEFAULT_LIBEXEC_DIR}"
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# shellcheck disable=SC2034
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HADOOP_NEW_CONFIG=true
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if [[ -f "${HADOOP_LIBEXEC_DIR}/hdfs-config.sh" ]]; then
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. "${HADOOP_LIBEXEC_DIR}/hdfs-config.sh"
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else
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echo "ERROR: Cannot execute ${HADOOP_LIBEXEC_DIR}/hdfs-config.sh." 2>&1
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exit 1
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fi
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#---------------------------------------------------------
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# namenodes
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NAMENODES=$("${HADOOP_HDFS_HOME}/bin/hdfs" getconf -namenodes 2>/dev/null)
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if [[ -z "${NAMENODES}" ]]; then
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NAMENODES=$(hostname)
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fi
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echo "Stopping namenodes on [${NAMENODES}]"
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hadoop_uservar_su hdfs namenode "${HADOOP_HDFS_HOME}/bin/hdfs" \
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--workers \
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--config "${HADOOP_CONF_DIR}" \
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--hostnames "${NAMENODES}" \
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--daemon stop \
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namenode
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#---------------------------------------------------------
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# datanodes (using default workers file)
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echo "Stopping datanodes"
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hadoop_uservar_su hdfs datanode "${HADOOP_HDFS_HOME}/bin/hdfs" \
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--workers \
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--config "${HADOOP_CONF_DIR}" \
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--daemon stop \
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datanode
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#---------------------------------------------------------
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# secondary namenodes (if any)
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SECONDARY_NAMENODES=$("${HADOOP_HDFS_HOME}/bin/hdfs" getconf -secondarynamenodes 2>/dev/null)
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if [[ "${SECONDARY_NAMENODES}" == "0.0.0.0" ]]; then
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SECONDARY_NAMENODES=$(hostname)
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fi
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if [[ -n "${SECONDARY_NAMENODES}" ]]; then
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echo "Stopping secondary namenodes [${SECONDARY_NAMENODES}]"
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hadoop_uservar_su hdfs secondarynamenode "${HADOOP_HDFS_HOME}/bin/hdfs" \
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--workers \
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--config "${HADOOP_CONF_DIR}" \
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--hostnames "${SECONDARY_NAMENODES}" \
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--daemon stop \
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secondarynamenode
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fi
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#---------------------------------------------------------
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# quorumjournal nodes (if any)
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JOURNAL_NODES=$("${HADOOP_HDFS_HOME}/bin/hdfs" getconf -journalNodes 2>&-)
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if [[ "${#JOURNAL_NODES}" != 0 ]]; then
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echo "Stopping journal nodes [${JOURNAL_NODES}]"
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hadoop_uservar_su hdfs journalnode "${HADOOP_HDFS_HOME}/bin/hdfs" \
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--workers \
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--config "${HADOOP_CONF_DIR}" \
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--hostnames "${JOURNAL_NODES}" \
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--daemon stop \
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journalnode
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fi
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#---------------------------------------------------------
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# ZK Failover controllers, if auto-HA is enabled
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AUTOHA_ENABLED=$("${HADOOP_HDFS_HOME}/bin/hdfs" getconf -confKey dfs.ha.automatic-failover.enabled | tr '[:upper:]' '[:lower:]')
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if [[ "${AUTOHA_ENABLED}" = "true" ]]; then
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echo "Stopping ZK Failover Controllers on NN hosts [${NAMENODES}]"
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hadoop_uservar_su hdfs zkfc "${HADOOP_HDFS_HOME}/bin/hdfs" \
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--workers \
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--config "${HADOOP_CONF_DIR}" \
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--hostnames "${NAMENODES}" \
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--daemon stop \
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zkfc
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fi
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# eof
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