# Copyright (c) 2019 Red Hat, Inc.
#
# 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 l.gcr.io/google/bazel:0.26.1 as bazel

# The bazel image comes with bazel only runnable by root for some weird reason.
# The bower build in gerrit does not work as root.
# Fix the bazel image.
RUN groupadd builder && \
  useradd builder --home-dir /usr/src --create-home -g builder
RUN chown -R builder /usr/src /usr/local/lib/bazel \
  && chmod +x /usr/local/lib/bazel

RUN curl -sL https://deb.nodesource.com/setup_10.x | bash - \
  && apt-get update \
  && apt-get install -y nodejs

USER builder
WORKDIR /usr/src

FROM bazel as builder

USER builder
COPY . /usr/src

ARG BAZEL_OPTS
RUN cd /usr/src \
  && bazel build release \
    --local_ram_resources=3072 \
    --local_cpu_resources=1 \
    --host_force_python=PY3 \
    --incompatible_string_join_requires_strings=false \
    --host_javabase=@local_jdk//:jdk \
    --javabase=@local_jdk//:jdk \
    --host_java_toolchain=@bazel_tools//tools/jdk:toolchain_hostjdk8 \
    --java_toolchain=@bazel_tools//tools/jdk:toolchain_hostjdk8 \
    ${BAZEL_OPTS}

FROM openjdk:8

RUN apt-get update \
  && apt-get install -y dumb-init \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/*

# 3000 is what the existing opendev gerrit2 user is
RUN addgroup gerrit --gid 3000 --system \
  && adduser \
    --system \
    --uid 3000 \
    --home /var/gerrit \
    --shell /bin/bash \
    --ingroup gerrit \
    gerrit

USER gerrit
RUN mkdir /var/gerrit/bin
COPY --from=builder /usr/src/bazel-bin/release.war /var/gerrit/bin/gerrit.war

# Allow incoming traffic
EXPOSE 29418 8080

VOLUME /var/gerrit/git /var/gerrit/index /var/gerrit/cache /var/gerrit/db /var/gerrit/etc /var/log/gerrit

RUN ln -s /var/log/gerrit /var/gerrit/logs

# container.javaOptions
# Also include container.heapLimit - but with -Xmx prefixing it
ENV JAVA_OPTIONS ""

# Ulimits should be set on command line or in docker-compose.yaml
ENTRYPOINT ["/usr/bin/dumb-init", "--"]
CMD ["/usr/bin/java", ${JAVA_OPTIONS}, "-jar", "/var/gerrit/bin/gerrit.war"]