# 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.

# base things off the latest LTS Ubuntu Release (18.04)
FROM ubuntu:18.10
MAINTAINER Stefan Podkowinski <s.podkowinski@gmail.com>

# install our python dependencies and some other stuff we need
# libev4 libev-dev are for the python driver

RUN export DEBIAN_FRONTEND=noninteractive && \
    apt-get update && \
    apt-get install -y --no-install-recommends software-properties-common apt-utils vim

RUN export DEBIAN_FRONTEND=noninteractive && \
    apt-get update && \
    apt-get install -y git-core python2.7 python3.6 python3.6-venv python3.6-dev python3-pip net-tools libev4 libev-dev wget gcc

# solves warning: "jemalloc shared library could not be preloaded to speed up memory allocations"
RUN export DEBIAN_FRONTEND=noninteractive && \
    apt-get update && \
    apt-get install -y --no-install-recommends libjemalloc2

# install dumb-init as minimal init system
RUN export DEBIAN_FRONTEND=noninteractive && \
    apt-get update && \
    apt-get install -y dumb-init

# generate locales for the standard en_US.UTF8 value we use for testing
RUN export DEBIAN_FRONTEND=noninteractive && \
    apt-get update && \
    apt-get install -y locales && \
    locale-gen en_US.UTF-8

# as we only need the requirements.txt file from the dtest repo, let's just get it from GitHub as a raw asset
# so we can avoid needing to clone the entire repo just to get this file
ADD https://raw.githubusercontent.com/apache/cassandra-dtest/master/requirements.txt /opt
RUN chmod 0644 /opt/requirements.txt

# now setup python via virtualenv with all of the python dependencies we need according to requirements.txt
RUN pip3 install virtualenv
RUN pip3 install --upgrade wheel

# openjdk + ant
RUN export DEBIAN_FRONTEND=noninteractive && \
    apt-get update && \
    apt-get install -y --no-install-recommends openjdk-8-jdk openjdk-11-jdk ant ant-optional

# make Java 8 the default executable (we use to run all tests against Java 8)
RUN update-java-alternatives -s java-1.8.0-openjdk-amd64

# setup our user -- if we don't do this docker will default to root and Cassandra will fail to start
# as we appear to have a check that the user isn't starting Cassandra as root
RUN export DEBIAN_FRONTEND=noninteractive && \
    apt-get install sudo && \
    adduser --disabled-password --gecos "" cassandra && \
    echo "cassandra ALL=(root) NOPASSWD:ALL" > /etc/sudoers.d/cassandra && \
    chmod 0440 /etc/sudoers.d/cassandra

# fix up permissions on the cassandra home dir
RUN chown -R cassandra:cassandra /home/cassandra

# switch to the cassandra user... we are all done running things as root
USER cassandra
ENV HOME /home/cassandra
WORKDIR /home/cassandra

# Add environment variables for Ant and Java and add them to the PATH
RUN echo 'export ANT_HOME=/usr/share/ant' >> /home/cassandra/.bashrc && \
    echo 'export JAVA8_HOME=/usr/lib/jvm/java-8-openjdk-amd64' >> /home/cassandra/.bashrc && \
    echo 'export JAVA11_HOME=/usr/lib/jvm/java-11-openjdk-amd64' >> /home/cassandra/.bashrc && \
    echo 'export JAVA_HOME=$JAVA8_HOME' >> /home/cassandra/.bashrc

# run pip commands and setup virtualenv (note we do this after we switch to cassandra user so we
# setup the virtualenv for the cassandrauser and not the root user by acident)
RUN virtualenv --python=python3.6 --no-site-packages env
RUN chmod +x env/bin/activate
RUN /bin/bash -c "source ~/env/bin/activate && pip3 install Cython && pip3 install -r /opt/requirements.txt && pip3 freeze --user"

# we need to make SSH less strict to prevent various dtests from failing when they attempt to
# git clone a given commit/tag/etc
# upgrading node1 to github:apache/18cdd391ec27d16daf775f928902f5a421c415e3
# git@github.com:apache/cassandra.git github:apache/18cdd391ec27d16daf775f928902f5a421c415e3
# 23:47:08,993 ccm INFO Cloning Cassandra...
# The authenticity of host 'github.com (192.30.253.112)' can't be established.
# RSA key fingerprint is SHA256:nThbg6kXUpJWGl7E1IGOCspRomTxdCARLviKw6E5SY8.
# Are you sure you want to continue connecting (yes/no)?
RUN mkdir ~/.ssh
RUN echo 'Host *\n UserKnownHostsFile /dev/null\n StrictHostKeyChecking no' > ~/.ssh/config
RUN chown cassandra:cassandra ~/.ssh
RUN chown cassandra:cassandra ~/.ssh/config
RUN chmod 600 ~/.ssh/config

# mark "/tmp" as a volume so it will get mounted as an ext4 mount and not
# the stupid aufs/CoW stuff that the actual docker container mounts will have.
# we've been seeing 3+ minute hangs when calling sync on an aufs backed mount
# so it greatly makes tests flaky as things can hang basically anywhere
VOLUME ["/tmp"]