FROM frolvlad/alpine-oraclejdk8
MAINTAINER Hoodie
USER root

# Default to UTF-8 file.encoding
ENV LANG C.UTF-8

# Updating & Installing packages
RUN apk add net-tools curl bash perl procps

ARG HADOOP_VERSION=2.8.4 
ARG HADOOP_URL=https://www.apache.org/dist/hadoop/common/hadoop-${HADOOP_VERSION}/hadoop-${HADOOP_VERSION}.tar.gz
ENV HADOOP_VERSION ${HADOOP_VERSION}
ENV HADOOP_URL ${HADOOP_URL}

RUN set -x \
    && echo "Fetch URL2 is : ${HADOOP_URL}" \
    && curl -fSL "${HADOOP_URL}" -o /tmp/hadoop.tar.gz \
    && curl -fSL "${HADOOP_URL}.asc" -o /tmp/hadoop.tar.gz.asc \
    && mkdir -p /opt/hadoop-$HADOOP_VERSION/logs \
    && tar -xvf /tmp/hadoop.tar.gz -C /opt/ \
    && rm /tmp/hadoop.tar.gz* \
    && ln -s /opt/hadoop-$HADOOP_VERSION/etc/hadoop /etc/hadoop \
    && cp /etc/hadoop/mapred-site.xml.template /etc/hadoop/mapred-site.xml \
    && mkdir /hadoop-data

ENV HADOOP_PREFIX=/opt/hadoop-$HADOOP_VERSION
ENV HADOOP_CONF_DIR=/etc/hadoop
ENV MULTIHOMED_NETWORK=1
ENV HADOOP_HOME=${HADOOP_PREFIX}
ENV HADOOP_INSTALL=${HADOOP_HOME}
ENV USER=root
ENV PATH /usr/bin:/bin:$HADOOP_PREFIX/bin/:$PATH

# Exposing a union of ports across hadoop versions
# Well known ports including ssh
EXPOSE 0-1024 4040 7000-10100 5000-5100 50000-50200 58188 58088 58042 

ADD entrypoint.sh /entrypoint.sh
ADD export_container_ip.sh /usr/bin/
RUN chmod a+x /usr/bin/export_container_ip.sh \
    && chmod a+x /entrypoint.sh

ENTRYPOINT ["/bin/bash", "/entrypoint.sh"]