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From: ctubbsii <git@git.apache.org>
To: dev@accumulo.apache.org
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References: <git-pr-160-accumulo@git.apache.org>
In-Reply-To: <git-pr-160-accumulo@git.apache.org>
Subject: [GitHub] accumulo pull request #160: ACCUMULO-4490: Simplify Accumulo scripts and con...
Content-Type: text/plain
Message-Id: <20161026222704.1C99EE0593@git1-us-west.apache.org>
Date: Wed, 26 Oct 2016 22:27:04 +0000 (UTC)
archived-at: Wed, 26 Oct 2016 22:27:06 -0000

Github user ctubbsii commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/160#discussion_r85231507
  
    --- Diff: assemble/bin/accumulo ---
    @@ -15,173 +15,189 @@
     # See the License for the specific language governing permissions and
     # limitations under the License.
     
    -# Start: Resolve Script Directory
    -SOURCE="${BASH_SOURCE[0]}"
    -while [ -h "${SOURCE}" ]; do # resolve $SOURCE until the file is no longer a symlink
    -   bin="$( cd -P "$( dirname "${SOURCE}" )" && pwd )"
    -   SOURCE="$(readlink "${SOURCE}")"
    -   [[ "${SOURCE}" != /* ]] && SOURCE="${bin}/${SOURCE}" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
    -done
    -bin="$( cd -P "$( dirname "${SOURCE}" )" && pwd )"
    -script=$( basename "${SOURCE}" )
    -# Stop: Resolve Script Directory
    +function build_native() {
    +  native_tarball=${ACCUMULO_LIB_DIR}/accumulo-native.tar.gz
    +  final_native_target="${ACCUMULO_LIB_DIR}/native"
     
    -. "${bin}"/config.sh
    +  if [[ ! -f $native_tarball ]]; then
    +      echo "Could not find native code artifact: ${native_tarball}";
    +      exit 1
    +  fi
     
    -START_JAR="${ACCUMULO_HOME}/lib/accumulo-start.jar"
    +  # Make the destination for the native library
    +  mkdir -p "${final_native_target}" || exit 1
     
    -#
    -# Resolve a program to its installation directory
    -#
    -locationByProgram()
    -{
    -   RESULT=$( which "$1" )
    -   if [[ "$?" != 0 && -z "${RESULT}" ]]; then
    -      echo "Cannot find '$1' and '$2' is not set in $ACCUMULO_CONF_DIR/accumulo-env.sh"
    +  # Make a directory for us to unpack the native source into
    +  TMP_DIR=$(mktemp -d /tmp/accumulo-native.XXXX) || exit 1
    +
    +  # Unpack the tarball to our temp directory
    +  if ! tar xf "${native_tarball}" -C "${TMP_DIR}"
    +  then
    +      echo "Failed to unpack native tarball to ${TMP_DIR}"
           exit 1
    -   fi
    -   while [ -h "${RESULT}" ]; do # resolve $RESULT until the file is no longer a symlink
    -      DIR="$( cd -P "$( dirname "$RESULT" )" && pwd )"
    -      RESULT="$(readlink "${RESULT}")"
    -      [[ "${RESULT}" != /* ]] && RESULT="${DIR}/${RESULT}" # if $RESULT was a relative symlink, we need to resolve it relative to the path where the symlink file was located
    -   done
    -   # find the relative home directory, accounting for an extra bin directory
    -   RESULT=$(dirname "$(dirname "${RESULT}")")
    -   echo "Auto-set ${2} to '${RESULT}'.  To suppress this message, set ${2} in conf/accumulo-env.sh"
    -   eval "${2}=${RESULT}"
    -}
    +  fi
     
    -test -z "${JAVA_HOME}"      && locationByProgram java JAVA_HOME
    -test -z "${HADOOP_PREFIX}"  && locationByProgram hadoop HADOOP_PREFIX
    -test -z "${ZOOKEEPER_HOME}" && locationByProgram zkCli.sh ZOOKEEPER_HOME
    +  # Move to the first (only) directory in our unpacked tarball
    +  native_dir=$(find "${TMP_DIR}" -maxdepth 1 -mindepth 1 -type d)
     
    -DEFAULT_GENERAL_JAVA_OPTS=""
    +  cd "${native_dir}" || exit 1
     
    -#
    -# ACCUMULO_XTRAJARS is where all of the commandline -add items go into for reading by accumulo.
    -# It also holds the JAR run with the jar command and, if possible, any items in the JAR manifest's Class-Path.
    -#
    -if [ "$1" = "-add" ] ; then
    -    export ACCUMULO_XTRAJARS="$2"
    -    shift 2
    -else
    -    export ACCUMULO_XTRAJARS=""
    -fi
    -if [ "$1" = "jar" -a -f "$2" ] ; then
    -    if [[ $2 =~ ^/ ]]; then
    -      jardir="$(dirname "$2")"
    -      jarfile="$2"
    -    else
    -      jardir="$(pwd)"
    -      jarfile="${jardir}/${2}"
    -    fi
    -    if jar tf "$jarfile" | grep -q META-INF/MANIFEST.MF ; then
    -      cp="$(unzip -p "$jarfile" META-INF/MANIFEST.MF | grep ^Class-Path: | sed 's/^Class-Path: *//')"
    -      if [[ -n "$cp" ]] ; then
    -         for j in $cp; do
    -            if [[ "$j" != "Class-Path:" ]] ; then
    -               ACCUMULO_XTRAJARS="${jardir}/${j},$ACCUMULO_XTRAJARS"
    -            fi
    -         done
    -      fi
    -    fi
    -    ACCUMULO_XTRAJARS="${jarfile},$ACCUMULO_XTRAJARS"
    -fi
    +  # Make the native library
    +  export USERFLAGS="$@"
    +  if ! make
    +  then
    +      echo "Make failed!"
    +      exit 1
    +  fi
     
    -#
    -# Set up -D switches for JAAS and Kerberos if env variables set
    -#
    -if [[ ! -z ${ACCUMULO_JAAS_CONF} ]]; then
    -  ACCUMULO_GENERAL_OPTS="${ACCUMULO_GENERAL_OPTS} -Djava.security.auth.login.config=${ACCUMULO_JAAS_CONF}"
    -fi
    +  # "install" the artifact
    +  cp libaccumulo.* "${final_native_target}" || exit 1
     
    -if [[ ! -z ${ACCUMULO_KRB5_CONF} ]]; then
    -  ACCUMULO_GENERAL_OPTS="${ACCUMULO_GENERAL_OPTS} -Djava.security.krb5.conf=${ACCUMULO_KRB5_CONF}"
    -fi
    +  # Clean up our temp directory
    +  rm -rf "${TMP_DIR}"
     
    -#
    -# Add appropriate options for process type
    -#
    -case "$1" in
    -master)  export ACCUMULO_OPTS="${ACCUMULO_GENERAL_OPTS} ${ACCUMULO_MASTER_OPTS}" ;;
    -gc)      export ACCUMULO_OPTS="${ACCUMULO_GENERAL_OPTS} ${ACCUMULO_GC_OPTS}" ;;
    -tserver*) export ACCUMULO_OPTS="${ACCUMULO_GENERAL_OPTS} ${ACCUMULO_TSERVER_OPTS}" ;;
    -monitor) export ACCUMULO_OPTS="${ACCUMULO_GENERAL_OPTS} ${ACCUMULO_MONITOR_OPTS}" ;;
    -shell)   export ACCUMULO_OPTS="${ACCUMULO_GENERAL_OPTS} ${ACCUMULO_SHELL_OPTS}" ;;
    -*)       export ACCUMULO_OPTS="${ACCUMULO_GENERAL_OPTS} ${ACCUMULO_OTHER_OPTS}" ;;
    -esac
    -
    -XML_FILES="${ACCUMULO_CONF_DIR}"
    -LOG4J_JAR=$(find -H "${HADOOP_PREFIX}/lib" "${HADOOP_PREFIX}"/share/hadoop/common/lib -name 'log4j*.jar' -print 2>/dev/null | head -1)
    -SLF4J_JARS="${ACCUMULO_HOME}/lib/slf4j-api.jar:${ACCUMULO_HOME}/lib/slf4j-log4j12.jar"
    -
    -# The `find` command could fail for environmental reasons or bad configuration
    -# Avoid trying to run Accumulo when we can't find the jar
    -if [ -z "${LOG4J_JAR}" -a -z "${CLASSPATH}" ]; then
    -   echo "Could not locate Log4j jar in Hadoop installation at ${HADOOP_PREFIX}"
    -   exit 1
    -fi
    -
    -CLASSPATH="${XML_FILES}:${START_JAR}:${SLF4J_JARS}:${LOG4J_JAR}:${CLASSPATH}"
    -
    -if [ -z "${JAVA_HOME}" -o ! -d "${JAVA_HOME}" ]; then
    -   echo "JAVA_HOME is not set or is not a directory.  Please make sure it's set globally or in conf/accumulo-env.sh"
    -   exit 1
    -fi
    -if [ -z "${HADOOP_PREFIX}" -o ! -d "${HADOOP_PREFIX}" ]; then
    -   echo "HADOOP_PREFIX is not set or is not a directory.  Please make sure it's set globally or in conf/accumulo-env.sh"
    -   exit 1
    -fi
    -if [ -z "${ZOOKEEPER_HOME}" -o ! -d "${ZOOKEEPER_HOME}" ]; then
    -   echo "ZOOKEEPER_HOME is not set or is not a directory.  Please make sure it's set globally or in conf/accumulo-env.sh"
    -   exit 1
    -fi
    -
    -# This is default for hadoop 2.x;
    -#   for another distribution, specify (DY)LD_LIBRARY_PATH
    -#   explicitly in ${ACCUMULO_HOME}/conf/accumulo-env.sh
    -#   usually something like:
    -#     ${HADOOP_PREFIX}/lib/native/${PLATFORM}
    -if [ -e "${HADOOP_PREFIX}/lib/native/libhadoop.so" ]; then
    -   LIB_PATH="${HADOOP_PREFIX}/lib/native"
    -   LD_LIBRARY_PATH="${LIB_PATH}:${LD_LIBRARY_PATH}"     # For Linux
    -   DYLD_LIBRARY_PATH="${LIB_PATH}:${DYLD_LIBRARY_PATH}" # For Mac
    -fi
    -
    -# Export the variables just in case they are not exported
    -# This makes them available to java
    -export JAVA_HOME HADOOP_PREFIX ZOOKEEPER_HOME LD_LIBRARY_PATH DYLD_LIBRARY_PATH
    -
    -# Strip the instance from $1
    -APP=$1
    -# Avoid setting an instance unless it's necessary to ensure consistency in filenames
    -INSTANCE=""
    -# Avoid setting a pointless system property
    -INSTANCE_OPT=""
    -if [[ "$1" =~ ^tserver-[1-9][0-9]*$ ]]; then
    -  APP="$(echo "$1" | cut -d'-' -f1)"
    -  # Appending the trailing underscore to make single-tserver deploys look how they did
    -  INSTANCE="$(echo "$1" | cut -d'-' -f2)_"
    -
    -  #Rewrite the input arguments
    -  set -- "$APP" "${@:2}"
    -
    -  # The extra system property we'll pass to the java cmd
    -  INSTANCE_OPT="-Daccumulo.service.instance=${INSTANCE}"
    -fi
    +  echo "Successfully installed native library"
    +}
     
    -#
    -# app isn't used anywhere, but it makes the process easier to spot when ps/top/snmp truncate the command line
    -JAVA="${JAVA_HOME}/bin/java"
    -exec "$JAVA" "-Dapp=$1" \
    -   $INSTANCE_OPT \
    -   $ACCUMULO_OPTS \
    -   -classpath "${CLASSPATH}" \
    -   -XX:OnOutOfMemoryError="${ACCUMULO_KILL_CMD:-kill -9 %p}" \
    -   -XX:-OmitStackTraceInFastThrow \
    -   -Djavax.xml.parsers.DocumentBuilderFactory=com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl \
    -   -Dorg.apache.accumulo.core.home.dir="${ACCUMULO_HOME}" \
    -   -Dhadoop.home.dir="${HADOOP_PREFIX}" \
    -   -Dzookeeper.home.dir="${ZOOKEEPER_HOME}" \
    -   org.apache.accumulo.start.Main \
    -   "$@"
    +function main() {
    +
    +  # Start: Resolve Script Directory
    +  SOURCE="${BASH_SOURCE[0]}"
    +  while [ -h "${SOURCE}" ]; do # resolve $SOURCE until the file is no longer a symlink
    +     bin="$( cd -P "$( dirname "${SOURCE}" )" && pwd )"
    +     SOURCE="$(readlink "${SOURCE}")"
    +     [[ "${SOURCE}" != /* ]] && SOURCE="${bin}/${SOURCE}" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
    +  done
    +  bin="$( cd -P "$( dirname "${SOURCE}" )" && pwd )"
    +  basedir=$( cd -P "${bin}"/.. && pwd )
    +  # Stop: Resolve Script Directory
    +
    +  export ACCUMULO_CONF_DIR="${ACCUMULO_CONF_DIR:-$basedir/conf}"
    +  export ACCUMULO_LIB_DIR="${ACCUMULO_LIB_DIR:-$basedir/lib}"
    +
    +  if [[ "$1" == "create-config" ]]; then
    +    "${ACCUMULO_LIB_DIR}/scripts/config.sh" ${*:2}
    --- End diff --
    
    This construction splits the args based on whitespace. You should use `"${@:2}"` (with the double quotes) to ensure the args are passed correctly. Same thing in a few places elsewhere.


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