Dockerfile.rhel

FROM registry.svc.ci.openshift.org/openshift/release:rhel-7-base-openshift-4.6 AS build
# This FROM is RHEL7 based because the CI based hadoop build requires a precise
# version of protobuf (2.5.0) which seems to be unavilable on RHEL8.

RUN mkdir /build
COPY . /build
WORKDIR /build

COPY opt_maven_install.sh /tmp/
RUN chmod u+x /tmp/opt_maven_install.sh && /tmp/opt_maven_install.sh $OPENSHIFT_CI

FROM registry.svc.ci.openshift.org/ocp/builder:rhel-8-base-openshift-4.6

RUN set -x; yum install --setopt=skip_missing_names_on_install=False -y \
        java-1.8.0-openjdk \
        java-1.8.0-openjdk-devel \
        curl \
        less  \
        procps \
        net-tools \
        bind-utils \
        which \
        jq \
        rsync \
        openssl \
        faq \
        tini \
    && yum clean all \
    && rm -rf /tmp/* /var/tmp/*

ENV JAVA_HOME=/etc/alternatives/jre

ENV HADOOP_VERSION 3.1.1

ENV HADOOP_HOME=/opt/hadoop
ENV HADOOP_LOG_DIR=$HADOOP_HOME/logs
ENV HADOOP_CLASSPATH=$HADOOP_HOME/share/hadoop/tools/lib/*
ENV HADOOP_CONF_DIR=/etc/hadoop
ENV PROMETHEUS_JMX_EXPORTER=/opt/jmx_exporter/jmx_exporter.jar
ENV PATH=$HADOOP_HOME/bin:$PATH

COPY --from=build /build/hadoop-dist/target/hadoop-$HADOOP_VERSION $HADOOP_HOME
COPY --from=build /build/jmx_prometheus_javaagent.jar $PROMETHEUS_JMX_EXPORTER
COPY --from=build /build/gcs-connector-hadoop3-shaded.jar $HADOOP_HOME/share/hadoop/tools/lib/gcs-connector-hadoop3-shaded.jar
WORKDIR $HADOOP_HOME

# remove unnecessary doc/src files
RUN rm -rf ${HADOOP_HOME}/share/doc \
    && for dir in common hdfs mapreduce tools yarn; do \
         rm -rf ${HADOOP_HOME}/share/hadoop/${dir}/sources; \
       done \
    && rm -rf ${HADOOP_HOME}/share/hadoop/common/jdiff \
    && rm -rf ${HADOOP_HOME}/share/hadoop/mapreduce/lib-examples \
    && rm -rf ${HADOOP_HOME}/share/hadoop/yarn/test \
    && find ${HADOOP_HOME}/share/hadoop -name *test*.jar | xargs rm -rf

RUN ln -s $HADOOP_HOME/etc/hadoop $HADOOP_CONF_DIR
RUN mkdir -p $HADOOP_LOG_DIR

# https://docs.oracle.com/javase/7/docs/technotes/guides/net/properties.html
# Java caches dns results forever, don't cache dns results forever:
RUN sed -i '/networkaddress.cache.ttl/d' $JAVA_HOME/lib/security/java.security
RUN sed -i '/networkaddress.cache.negative.ttl/d' $JAVA_HOME/lib/security/java.security
RUN echo 'networkaddress.cache.ttl=0' >> $JAVA_HOME/lib/security/java.security
RUN echo 'networkaddress.cache.negative.ttl=0' >> $JAVA_HOME/lib/security/java.security

# imagebuilder expects the directory to be created before VOLUME
RUN mkdir -p /hadoop/dfs/data /hadoop/dfs/name

# to allow running as non-root
RUN chown -R 1002:0 $HADOOP_HOME /hadoop $HADOOP_CONF_DIR $JAVA_HOME/lib/security/cacerts && \
    chmod -R 774 $HADOOP_HOME /hadoop $HADOOP_CONF_DIR $JAVA_HOME/lib/security/cacerts

VOLUME /hadoop/dfs/data /hadoop/dfs/name

USER 1002

LABEL io.k8s.display-name="OpenShift Hadoop" \
      io.k8s.description="This is an image used by operator-metering to to install and run HDFS." \
      io.openshift.tags="openshift" \
      maintainer="AOS Operator Metering <sd-operator-metering@redhat.com>"