bin/hbase-config.sh

   1 #
   2 #/**
   3 # * Licensed to the Apache Software Foundation (ASF) under one
   4 # * or more contributor license agreements.  See the NOTICE file
   5 # * distributed with this work for additional information
   6 # * regarding copyright ownership.  The ASF licenses this file
   7 # * to you under the Apache License, Version 2.0 (the
   8 # * "License"); you may not use this file except in compliance
   9 # * with the License.  You may obtain a copy of the License at
  10 # *
  11 # *     http://www.apache.org/licenses/LICENSE-2.0
  12 # *
  13 # * Unless required by applicable law or agreed to in writing, software
  14 # * distributed under the License is distributed on an "AS IS" BASIS,
  15 # * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 # * See the License for the specific language governing permissions and
  17 # * limitations under the License.
  18 # */
  19
  20 # included in all the hbase scripts with source command
  21 # should not be executable directly
  22 # also should not be passed any arguments, since we need original $*
  23 # Modelled after $HADOOP_HOME/bin/hadoop-env.sh.
  24
  25 # resolve links - "${BASH_SOURCE-$0}" may be a softlink
  26
  27 this="${BASH_SOURCE-$0}"
  28 while [ -h "$this" ]; do
  29   ls=`ls -ld "$this"`
  30   link=`expr "$ls" : '.*-> \(.*\)$'`
  31   if expr "$link" : '.*/.*' > /dev/null; then
  32     this="$link"
  33   else
  34     this=`dirname "$this"`/"$link"
  35   fi
  36 done
  37
  38 # convert relative path to absolute path
  39 bin=`dirname "$this"`
  40 script=`basename "$this"`
  41 bin=`cd "$bin">/dev/null; pwd`
  42 this="$bin/$script"
  43
  44 # the root of the hbase installation
  45 if [ -z "$HBASE_HOME" ]; then
  46   export HBASE_HOME=`dirname "$this"`/..
  47 fi
  48
  49 #check to see if the conf dir or hbase home are given as an optional arguments
  50 while [ $# -gt 1 ]
  51 do
  52   if [ "--config" = "$1" ]
  53   then
  54     shift
  55     confdir=$1
  56     shift
  57     HBASE_CONF_DIR=$confdir
  58   elif [ "--hosts" = "$1" ]
  59   then
  60     shift
  61     hosts=$1
  62     shift
  63     HBASE_REGIONSERVERS=$hosts
  64   elif [ "--auth-as-server" = "$1" ]
  65   then
  66     shift
  67     # shellcheck disable=SC2034
  68     AUTH_AS_SERVER="true"
  69   elif [ "--autostart-window-size" = "$1" ]
  70   then
  71     shift
  72     AUTOSTART_WINDOW_SIZE=$(( $1 + 0 ))
  73     if [ $AUTOSTART_WINDOW_SIZE -lt 0 ]; then
  74       echo "Invalid value for --autostart-window-size, should be a positive integer"
  75       exit 1
  76     fi
  77     shift
  78   elif [ "--autostart-window-retry-limit" = "$1" ]
  79   then
  80     shift
  81     AUTOSTART_WINDOW_RETRY_LIMIT=$(( $1 + 0 ))
  82     if [ $AUTOSTART_WINDOW_RETRY_LIMIT -lt 0 ]; then
  83       echo "Invalid value for --autostart-window-retry-limit, should be a positive integer"
  84       exit 1
  85     fi
  86     shift
  87   elif [ "--internal-classpath" = "$1" ]
  88   then
  89     shift
  90     # shellcheck disable=SC2034
  91     INTERNAL_CLASSPATH="true"
  92   elif [ "--debug" = "$1" ]
  93   then
  94     shift
  95     # shellcheck disable=SC2034
  96     DEBUG="true"
  97   elif [ "--help" = "$1" ] || [ "-h" = "$1" ]
  98   then
  99     echo "Error usage! You should use it like 'hbase --help' or 'hbase -h'";
 100     exit 1
 101   else
 102     # Presume we are at end of options and break
 103     break
 104   fi
 105 done
 106
 107 # Allow alternate hbase conf dir location.
 108 HBASE_CONF_DIR="${HBASE_CONF_DIR:-$HBASE_HOME/conf}"
 109 # List of hbase regions servers.
 110 HBASE_REGIONSERVERS="${HBASE_REGIONSERVERS:-$HBASE_CONF_DIR/regionservers}"
 111 # List of hbase secondary masters.
 112 HBASE_BACKUP_MASTERS="${HBASE_BACKUP_MASTERS:-$HBASE_CONF_DIR/backup-masters}"
 113 if [ -n "$HBASE_JMX_BASE" ] && [ -z "$HBASE_JMX_OPTS" ]; then
 114   HBASE_JMX_OPTS="$HBASE_JMX_BASE"
 115 fi
 116 # Thrift JMX opts
 117 if [ -n "$HBASE_JMX_OPTS" ] && [ -z "$HBASE_THRIFT_JMX_OPTS" ]; then
 118   HBASE_THRIFT_JMX_OPTS="$HBASE_JMX_OPTS -Dcom.sun.management.jmxremote.port=10103"
 119 fi
 120 # Thrift opts
 121 if [ -z "$HBASE_THRIFT_OPTS" ]; then
 122   export HBASE_THRIFT_OPTS="$HBASE_THRIFT_JMX_OPTS"
 123 fi
 124
 125 # REST JMX opts
 126 if [ -n "$HBASE_JMX_OPTS" ] && [ -z "$HBASE_REST_JMX_OPTS" ]; then
 127   HBASE_REST_JMX_OPTS="$HBASE_JMX_OPTS -Dcom.sun.management.jmxremote.port=10105"
 128 fi
 129 # REST opts
 130 if [ -z "$HBASE_REST_OPTS" ]; then
 131   export HBASE_REST_OPTS="$HBASE_REST_JMX_OPTS"
 132 fi
 133
 134 # Source the hbase-env.sh.  Will have JAVA_HOME defined.
 135 # HBASE-7817 - Source the hbase-env.sh only if it has not already been done. HBASE_ENV_INIT keeps track of it.
 136 if [ -z "$HBASE_ENV_INIT" ] && [ -f "${HBASE_CONF_DIR}/hbase-env.sh" ]; then
 137   . "${HBASE_CONF_DIR}/hbase-env.sh"
 138   export HBASE_ENV_INIT="true"
 139 fi
 140
 141 # These variables can be specified in hbase-env.sh, so these defines follow sourcing of that script.
 142 export GREP="${GREP-grep}"
 143 export SED="${SED-sed}"
 144
 145 # Verify if hbase has the mlock agent
 146 if [ "$HBASE_REGIONSERVER_MLOCK" = "true" ]; then
 147   MLOCK_AGENT="$HBASE_HOME/lib/native/libmlockall_agent.so"
 148   if [ ! -f "$MLOCK_AGENT" ]; then
 149     cat 1>&2 <<EOF
 150 Unable to find mlockall_agent, hbase must be compiled with -Pnative
 151 EOF
 152     exit 1
 153   fi
 154   if [ -z "$HBASE_REGIONSERVER_UID" ] || [ "$HBASE_REGIONSERVER_UID" == "$USER" ]; then
 155       HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS -agentpath:$MLOCK_AGENT"
 156   else
 157       HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS -agentpath:$MLOCK_AGENT=user=$HBASE_REGIONSERVER_UID"
 158   fi
 159 fi
 160
 161 # Newer versions of glibc use an arena memory allocator that causes virtual
 162 # memory usage to explode. Tune the variable down to prevent vmem explosion.
 163 export MALLOC_ARENA_MAX=${MALLOC_ARENA_MAX:-4}
 164
 165 # Now having JAVA_HOME defined is required
 166 if [ -z "$JAVA_HOME" ]; then
 167     cat 1>&2 <<EOF
 168 +======================================================================+
 169 |                    Error: JAVA_HOME is not set                       |
 170 +----------------------------------------------------------------------+
 171 | Please download the latest Sun JDK from the Sun Java web site        |
 172 |     > http://www.oracle.com/technetwork/java/javase/downloads        |
 173 |                                                                      |
 174 | HBase requires Java 1.8 or later.                                    |
 175 +======================================================================+
 176 EOF
 177     exit 1
 178 fi
 179
 180 function read_java_version() {
 181   properties="$("${JAVA_HOME}/bin/java" -XshowSettings:properties -version 2>&1)"
 182   echo "${properties}" | "${GREP}" java.runtime.version | head -1 | "${SED}" -e 's/.* = \([^ ]*\)/\1/'
 183 }
 184
 185 # Inspect the system properties exposed by this JVM to identify the major
 186 # version number. Normalize on the popular version number, thus consider JDK
 187 # 1.8 as version "8".
 188 function parse_java_major_version() {
 189   complete_version=$1
 190   # split off suffix version info like '-b10' or '+10' or '_10'
 191   # careful to not use GNU Sed extensions
 192   version="$(echo "$complete_version" | "${SED}" -e 's/+/_/g' -e 's/-/_/g' | cut -d'_' -f1)"
 193   case "$version" in
 194   1.*)
 195     echo "$version" | cut -d'.' -f2
 196     ;;
 197   *)
 198     echo "$version" | cut -d'.' -f1
 199     ;;
 200   esac
 201 }