Auto-install elasticsesarch service wrapper

README.md

Modifies elasticsearch.conf, determines OS bit-depth, optioanlly configures RUN_AS_USER.

e.g. Usage:

curl -ksL https://gist.github.com/rnix/8823390/raw/install-elasticsearch-servicewrapper.sh | bash -s [ES_HOME [RUN_AS_USER]]

install-elasticsearch-servicewrapper.sh

#!/bin/bash
which unzip || sudo apt-get install unzip
ES_HOME=${1:-${ES_HOME:-${PWD}/elasticsearch}}
RUN_AS_USER=${2}
[ -d ${ES_HOME}/bin ] || {
	echo "No directory: ${ES_HOME}/bin" >&2
	exit ${LINENO}
}
tmp=$(mktemp -d)
[ "${tmp}" ] && [ -d ${tmp} ] || {
	echo "Can not create temporary directory." >&2
	exit ${LINENO}
}
trap "rm -rf ${tmp}" 0 1 2 3

(
	cd ${tmp} || exit ${LINENO}
	curl -Lo elasticsearch-servicewrapper.zip https://github.com/elasticsearch/elasticsearch-servicewrapper/zipball/master
	unzip elasticsearch-servicewrapper.zip
	sudo rm -rfv ${ES_HOME}/bin/service
	sudo mv -v elasticsearch-elasticsearch-servicewrapper-*/service ${ES_HOME}/bin/
	[ "${RUN_AS_USER}" ] && {
		sudo chown -R ${RUN_AS_USER}:${RUN_AS_USER} ${ES_HOME}/bin/service
	}
) || exit $?

bits=($(file /sbin/init))
bits="${bits[2]/-bit/}"
(
	cd ${ES_HOME}/bin/service || exit ${LINENO}
	sudo perl -pi -e 's|(set.default.ES_HOME=).*|$1'"${ES_HOME}|" elasticsearch.conf 
	[ "${RUN_AS_USER}" ] && {
		sudo perl -pi -e 's|^#?(RUN_AS_USER=).*|$1'"${RUN_AS_USER}|" elasticsearch
	}

)
sudo ${ES_HOME}/bin/service/elasticsearch${bits} install