Dockerfile

ARG JDK_VER=11
ARG BAZEL_VER=0.27.0
ARG JOBS=2

# First stage is the build environment.
# zulu-openjdk images are based on Ubuntu.
FROM azul/zulu-openjdk:${JDK_VER} as builder

ENV BUILD_DEPS \
    ca-certificates \
    zip \
    python \
    python3 \
    git \
    bzip2 \
    build-essential \
    curl \
    unzip \
    iproute2

RUN apt-get update && apt-get install -y ${BUILD_DEPS}

# Install Bazel
ARG BAZEL_VER
RUN curl -L -o bazel.sh https://github.com/bazelbuild/bazel/releases/download/${BAZEL_VER}/bazel-${BAZEL_VER}-installer-linux-x86_64.sh
RUN chmod +x bazel.sh && ./bazel.sh

# Build-stage environment variables
ENV ONOS_ROOT /src/onos
ENV BUILD_NUMBER docker
ENV JAVA_TOOL_OPTIONS=-Dfile.encoding=UTF8

# Copy in the sources
COPY . ${ONOS_ROOT}
WORKDIR ${ONOS_ROOT}

# Build ONOS using the JDK pre-installed in the base image, instead of the
# Bazel-provided remote one. By doing wo we make sure to build with the most
# updated JDK, including bug and security fixes, independently of the Bazel
# version.
ARG JOBS
ARG JDK_VER
RUN bazel build onos \
    --jobs ${JOBS} \
    --verbose_failures \
    --javabase=@bazel_tools//tools/jdk:absolute_javabase \
    --host_javabase=@bazel_tools//tools/jdk:absolute_javabase \
    --define=ABSOLUTE_JAVABASE=/usr/lib/jvm/zulu-${JDK_VER}-amd64

# We extract the tar in the build environment to avoid having to put the tar in
# the runtime stage. This saves a lot of space.
RUN mkdir /output
RUN tar -xf bazel-bin/onos.tar.gz -C /output --strip-components=1

# Second and final stage is the runtime environment.
FROM azul/zulu-openjdk:${JDK_VER}

LABEL org.label-schema.name="ONOS" \
      org.label-schema.description="SDN Controller" \
      org.label-schema.usage="http://wiki.onosproject.org" \
      org.label-schema.url="http://onosproject.org" \
      org.label-scheme.vendor="Open Networking Foundation" \
      org.label-schema.schema-version="1.0" \
      maintainer="onos-dev@onosproject.org"

# Install ONOS in /root/onos
COPY --from=builder /output/ /root/onos/
WORKDIR /root/onos

# Add ip command
COPY --from=builder /bin/ip /bin/
COPY --from=builder /lib/x86_64-linux-gnu/libmnl.so* /lib/x86_64-linux-gnu/
COPY --from=builder /usr/lib/x86_64-linux-gnu/libelf.so* /lib/x86_64-linux-gnu/
COPY --from=builder /sbin/ip /sbin/
RUN ldconfig

# Set JAVA_HOME (by default not exported by zulu images)
ARG JDK_VER
ENV JAVA_HOME /usr/lib/jvm/zulu-${JDK_VER}-amd64

# Ports
# 6653 - OpenFlow
# 6640 - OVSDB
# 8181 - GUI
# 8101 - ONOS CLI
# 9876 - ONOS intra-cluster communication
EXPOSE 6653 6640 8181 8101 9876

# Run ONOS
ENTRYPOINT ["./bin/onos-service"]
CMD ["server"]