Wrapper for bin/logstash plugin Closes #1969

Fixes #2017

bin/plugin

@@ -3,59 +3,6 @@
 #
 # Usage:
 #     bin/plugin install contrib
-#
-# Figure out if we're using wget or curl
 
 basedir=$(cd `dirname $0`/..; pwd)
-. ${basedir}/bin/logstash.lib.sh
-
-WGET=$(which wget 2>/dev/null)
-CURL=$(which curl 2>/dev/null)
-
-URLSTUB="http://download.elasticsearch.org/logstash/logstash/"
-
-if [ "x$WGET" != "x" ]; then
-	DOWNLOAD_COMMAND="wget -q --no-check-certificate -O"
-elif [ "x$CURL" != "x" ]; then
-    DOWNLOAD_COMMAND="curl -s -L -k -o"
-else
-	echo "wget or curl are required."
-	exit 1
-fi
-
-
-if [ -f "$basedir/lib/logstash/version.rb" ] ; then
-	VERSION=$(cat "$basedir/lib/logstash/version.rb" | grep LOGSTASH_VERSION | awk -F\" '{print $2}') 
-else
-	echo "ERROR: Cannot determine Logstash version.  Exiting."
-	exit 1
-fi
-
-# Placeholder for now, if other installs ever become available.
-if [ "x$2" != "xcontrib" ]; then
-	echo "Can only install contrib at this time... Exiting."
-	exit 1
-fi
-
-TARGETDIR="$basedir/vendor/logstash"
-mkdir -p $TARGETDIR
-SUFFIX=".tar.gz"
-FILEPATH="logstash-contrib-${VERSION}"
-FILENAME=${FILEPATH}${SUFFIX}
-TARGET="${TARGETDIR}/${FILENAME}"
-
-case $1 in
-  install)
-  	$DOWNLOAD_COMMAND ${TARGET} ${URLSTUB}${FILENAME}
-  	if [ ! -f "${TARGET}" ]; then
-	  	echo "ERROR: Unable to download ${URLSTUB}${FILENAME}"
-	  	echo "Exiting."
-	  	exit 1
-	fi
-  	gzip -dc ${TARGET} | tar -xC $TARGETDIR
-  	cp -R ${TARGETDIR}/$FILEPATH/* $basedir  ;; # Copy contents to local directory, adding on top of existing install
-  *) 
-  	echo "Usage: bin/plugin install contrib"
-	exit 0
-	;;
-esac
+. ${basedir}/bin/logstash plugin "$@"