Simplify ElasticSearch to make it more robust

[ta/caas-logging.git] / docker-build / elasticsearch / Dockerfile

diff --git a/docker-build/elasticsearch/Dockerfile b/docker-build/elasticsearch/Dockerfile
index a67b12d..bf4ad19 100644 (file)
--- a/docker-build/elasticsearch/Dockerfile
+++ b/docker-build/elasticsearch/Dockerfile
@@ -12,16 +12,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM centos:7.6.1810
+FROM scratch
+ADD centos-7-docker.tar.xz /
+CMD ["/bin/bash"]
 MAINTAINER Levente Kale <levente.kale@nokia.com>
 
 ARG VERSION
-ENV ES_VERSION=$VERSION
 
 ENV PATH /usr/share/elasticsearch/bin:$PATH
-ENV JAVA_HOME /usr/lib/jvm/jre-1.8.0-openjdk
+ENV JAVA_HOME /usr/lib/jvm/jre-13-openjdk
 ENV DOWNLOAD_URL "https://artifacts.elastic.co/downloads/elasticsearch"
-ENV ES_TARBAL "${DOWNLOAD_URL}/elasticsearch-${ES_VERSION}-linux-x86_64.tar.gz"
+ENV ES_TARBAL "${DOWNLOAD_URL}/elasticsearch-oss-${VERSION}-linux-x86_64.tar.gz"
 
 WORKDIR /usr/share/elasticsearch
 
@@ -29,7 +30,7 @@ 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 \
+      java-latest-openjdk-headless \
       unzip \
       which \
       coreutils \
@@ -37,28 +38,14 @@ RUN groupadd -g 202 elasticsearch \
       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
-&&  cp -a /usr/share/elasticsearch/modules/* /usr/share/elasticsearch/plugins/ \
-&&  chown -R elasticsearch:elasticsearch /usr/share/elasticsearch/plugins
+&&  chown -R elasticsearch:elasticsearch /usr/share/elasticsearch \
+# 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/ \
+&&  rm -rf /usr/share/elasticsearch/jdk \
 # workaround end
+&&  sed '/GC logging/Q' -i /usr/share/elasticsearch/config/jvm.options   # disable GC logging
 
-CMD ["elasticsearch"]
+COPY elasticsearch-logrotate.sh /etc/cron.hourly/
+COPY elasticsearch-setindex.sh /usr/share/elasticsearch/
+COPY log4j2.properties /usr/share/elasticsearch/config/
+COPY supervisord.conf /etc/