Create logstash offline plugin pack via a docker container

build-plugin-pack.sh

#!/bin/bash

logstash_version=8.1.3
logstash_plugin_release=1
logstash_plugin_pack_dir=/tmp/logstash
logstash_image=docker.elastic.co/logstash/logstash:${logstash_version}

logstash_input_plugin=$(echo '
    logstash-input-beats
    logstash-integration-kafka
' | xargs)

logstash_filter_plugin=$(echo '
    logstash-filter-dissect
    logstash-filter-json
    logstash-filter-grok
' | xargs)

logstash_output_plugin=$(echo '
    logstash-output-elasticsearch
    logstash-output-exec
' | xargs)


echo "
mkdir ${logstash_plugin_pack_dir}
bin/logstash-plugin install ${logstash_input_plugin}
bin/logstash-plugin install ${logstash_filter_plugin}
bin/logstash-plugin install ${logstash_output_plugin}
bin/logstash-plugin prepare-offline-pack --output /srv/logstash/logstash-plugins-${logstash_version}-${logstash_plugin_release}.zip \
  ${logstash_input_plugin} ${logstash_filter_plugin} ${logstash_output_plugin}
" | docker run --log-level=${log_level} -i -v $(pwd):${logstash_plugin_pack_dir} --rm ${logstash_image} /bin/sh