hadoop/start-build-env.sh

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#!/usr/bin/env bash
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
set -e # exit on error
cd "$(dirname "$0")" # connect to root
docker build -t hadoop-build dev-support/docker
if [ "$(uname -s)" == "Linux" ]; then
USER_NAME=${SUDO_USER:=$USER}
USER_ID=$(id -u "${USER_NAME}")
GROUP_ID=$(id -g "${USER_NAME}")
else # boot2docker uid and gid
USER_NAME=$USER
USER_ID=1000
GROUP_ID=50
fi
docker build -t "hadoop-build-${USER_ID}" - <<UserSpecificDocker
FROM hadoop-build
RUN groupadd --non-unique -g ${GROUP_ID} ${USER_NAME}
RUN useradd -g ${GROUP_ID} -u ${USER_ID} -k /root -m ${USER_NAME}
RUN echo "${USER_NAME}\tALL=NOPASSWD: ALL" > "/etc/sudoers.d/hadoop-build-${USER_ID}"
ENV HOME /home/${USER_NAME}
UserSpecificDocker
# By mapping the .m2 directory you can do an mvn install from
# within the container and use the result on your normal
# system. And this also is a significant speedup in subsequent
# builds because the dependencies are downloaded only once.
docker run --rm=true -t -i \
-v "${PWD}:/home/${USER_NAME}/hadoop" \
-w "/home/${USER_NAME}/hadoop" \
-v "${HOME}/.m2:/home/${USER_NAME}/.m2" \
-u "${USER_NAME}" \
"hadoop-build-${USER_ID}"