logstash

#!/bin/sh
# Run logstash from source
#
# This is most useful when done from a git checkout.
#
# Usage:
#   bin/logstash <command> [arguments]
#
# See 'bin/logstash help' for a list of commands.
#
# Supported environment variables:
#   LS_HEAP_SIZE="xxx" size for the -Xmx${LS_HEAP_SIZE} maximum Java heap size option, default is "1g"
#   LS_JAVA_OPTS="xxx" to append extra options to the defaults JAVA_OPTS provided by logstash
#   JAVA_OPTS="xxx" to *completely override* the defauls set of JAVA_OPTS provided by logstash
#
# Development environment variables:
#   USE_RUBY=1 to force use the local "ruby" command to launch logstash instead of using the vendored JRuby
#   USE_DRIP=1 to force use drip
#   DEBUG=1 to output debugging information

unset CDPATH
# This unwieldy bit of scripting is to try to catch instances where Logstash
# was launched from a symlink, rather than a full path to the Logstash binary
if [ -L $0 ]; then
  # Launched from a symlink
  # --Test for the readlink binary
  RL=$(which readlink)
  if [ $? -eq 0 ]; then
    # readlink exists
    SOURCEPATH=$($RL $0)
  else
    # readlink not found, attempt to parse the output of stat
    SOURCEPATH=$(stat -c %N $0 | awk '{print $3}' | sed -e 's/\‘//' -e 's/\’//')
    if [ $? -ne 0 ]; then
      # Failed to execute or parse stat
      echo "Failed to find source library at path $(cd `dirname $0`/..; pwd)/bin/logstash.lib.sh"
      echo "You may need to launch Logstash with a full path instead of a symlink."
      exit 1
    fi
  fi
else
  # Not a symlink
  SOURCEPATH=$0
fi

. "$(cd `dirname $SOURCEPATH`/..; pwd)/bin/logstash.lib.sh"
setup

ruby_exec "${LOGSTASH_HOME}/lib/bootstrap/environment.rb" "logstash/runner.rb" "$@"