| #!/usr/bin/env bash |
| |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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. |
| |
| bin=`dirname "${BASH_SOURCE-$0}"` |
| bin=`cd "$bin"; pwd` |
| |
| DEFAULT_LIBEXEC_DIR="$bin"/../libexec |
| HADOOP_LIBEXEC_DIR=${HADOOP_LIBEXEC_DIR:-$DEFAULT_LIBEXEC_DIR} |
| . $HADOOP_LIBEXEC_DIR/hdfs-config.sh |
| |
| #--------------------------------------------------------- |
| # namenodes |
| |
| NAMENODES=$($HADOOP_PREFIX/bin/hdfs getconf -namenodes) |
| |
| echo "Stopping namenodes on [$NAMENODES]" |
| |
| "$HADOOP_PREFIX/sbin/hadoop-daemons.sh" \ |
| --config "$HADOOP_CONF_DIR" \ |
| --hostnames "$NAMENODES" \ |
| --script "$bin/hdfs" stop namenode |
| |
| #--------------------------------------------------------- |
| # datanodes (using default slaves file) |
| |
| if [ -n "$HADOOP_SECURE_DN_USER" ]; then |
| echo \ |
| "Attempting to stop secure cluster, skipping datanodes. " \ |
| "Run stop-secure-dns.sh as root to complete shutdown." |
| else |
| "$HADOOP_PREFIX/sbin/hadoop-daemons.sh" \ |
| --config "$HADOOP_CONF_DIR" \ |
| --script "$bin/hdfs" stop datanode |
| fi |
| |
| #--------------------------------------------------------- |
| # secondary namenodes (if any) |
| |
| SECONDARY_NAMENODES=$($HADOOP_PREFIX/bin/hdfs getconf -secondarynamenodes 2>/dev/null) |
| |
| if [ -n "$SECONDARY_NAMENODES" ]; then |
| echo "Stopping secondary namenodes [$SECONDARY_NAMENODES]" |
| |
| "$HADOOP_PREFIX/sbin/hadoop-daemons.sh" \ |
| --config "$HADOOP_CONF_DIR" \ |
| --hostnames "$SECONDARY_NAMENODES" \ |
| --script "$bin/hdfs" stop secondarynamenode |
| fi |
| |
| #--------------------------------------------------------- |
| # quorumjournal nodes (if any) |
| |
| SHARED_EDITS_DIR=$($HADOOP_PREFIX/bin/hdfs getconf -confKey dfs.namenode.shared.edits.dir 2>&-) |
| |
| case "$SHARED_EDITS_DIR" in |
| qjournal://*) |
| JOURNAL_NODES=$(echo "$SHARED_EDITS_DIR" | sed 's,qjournal://\([^/]*\)/.*,\1,g; s/;/ /g; s/:[0-9]*//g') |
| echo "Stopping journal nodes [$JOURNAL_NODES]" |
| "$HADOOP_PREFIX/sbin/hadoop-daemons.sh" \ |
| --config "$HADOOP_CONF_DIR" \ |
| --hostnames "$JOURNAL_NODES" \ |
| --script "$bin/hdfs" stop journalnode ;; |
| esac |
| |
| #--------------------------------------------------------- |
| # ZK Failover controllers, if auto-HA is enabled |
| AUTOHA_ENABLED=$($HADOOP_PREFIX/bin/hdfs getconf -confKey dfs.ha.automatic-failover.enabled) |
| if [ "$(echo "$AUTOHA_ENABLED" | tr A-Z a-z)" = "true" ]; then |
| echo "Stopping ZK Failover Controllers on NN hosts [$NAMENODES]" |
| "$HADOOP_PREFIX/sbin/hadoop-daemons.sh" \ |
| --config "$HADOOP_CONF_DIR" \ |
| --hostnames "$NAMENODES" \ |
| --script "$bin/hdfs" stop zkfc |
| fi |
| # eof |