# Copyright 2019 Nokia
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

FROM centos:7.6.1810
MAINTAINER Levente Kale <levente.kale@nokia.com>

ARG VERSION
ENV ES_VERSION=$VERSION

ENV PATH /usr/share/elasticsearch/bin:$PATH
ENV JAVA_HOME /usr/lib/jvm/jre-1.8.0-openjdk
ENV DOWNLOAD_URL "https://artifacts.elastic.co/downloads/elasticsearch"
ENV ES_TARBAL "${DOWNLOAD_URL}/elasticsearch-${ES_VERSION}-linux-x86_64.tar.gz"

WORKDIR /usr/share/elasticsearch

RUN groupadd -g 202 elasticsearch \
&&  adduser -u 202 -g 202 -d /usr/share/elasticsearch elasticsearch \
&&  yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm \
&&  yum install -y --setopt=skip_missing_names_on_install=False \
      java-1.8.0-openjdk-headless \
      unzip \
      which \
      coreutils \
      cronie \
      supervisor \
&&  yum clean all \
&&  curl -fsSL ${ES_TARBAL} | tar zx --strip-components=1 \
&&  echo "===> Creating Elasticsearch Paths..." \
    && for path in \
  	/usr/share/elasticsearch/data \
  	/usr/share/elasticsearch/logs \
  	/usr/share/elasticsearch/config \
  	/usr/share/elasticsearch/config/scripts \
  	/usr/share/elasticsearch/plugins \
    ; do \
        mkdir -p "$path"; \
        chown -R elasticsearch:elasticsearch "$path"; \
    done

COPY config/elastic /usr/share/elasticsearch/config
COPY config/logrotate /etc/logrotate.d/elasticsearch
COPY healthcheck /usr/local/bin/
COPY elasticsearch-setindex /usr/share/elasticsearch

RUN chown -R elasticsearch:elasticsearch /usr/share/elasticsearch /etc/logrotate.d/elasticsearch /usr/local/bin/healthcheck \
&&  chmod +x /usr/share/elasticsearch/elasticsearch-setindex \
# workaround for Elasticsearch: this way ES can list the used plugins, and remove the jdk folder (open jdk slimmer)
&&  cp -al /usr/share/elasticsearch/modules/* /usr/share/elasticsearch/plugins/ \
&&  chown -R elasticsearch:elasticsearch /usr/share/elasticsearch/plugins \
&&  rm -rf /usr/share/elasticsearch/jdk
# workaround end

CMD ["elasticsearch"]