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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.
#
# Determine the current working directory
_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
# Preserve the calling directory
_CALLING_DIR="$(pwd)"
# Options used during compilation
_COMPILE_JVM_OPTS="-Xmx2g -XX:ReservedCodeCacheSize=512m"
# Installs any application tarball given a URL, the expected tarball name,
# and, optionally, a checkable binary path to determine if the binary has
# already been installed
## Arg1 - URL
## Arg2 - Tarball Name
## Arg3 - Checkable Binary
install_app() {
local remote_tarball="$1/$2"
local local_tarball="${_DIR}/$2"
local binary="${_DIR}/$3"
# setup `curl` and `wget` silent options if we're running on Jenkins
local curl_opts="-L"
local wget_opts=""
if [ -n "$AMPLAB_JENKINS" ]; then
curl_opts="-s ${curl_opts}"
wget_opts="--quiet ${wget_opts}"
else
curl_opts="--progress-bar ${curl_opts}"
wget_opts="--progress=bar:force ${wget_opts}"
fi
if [ -z "$3" -o ! -f "$binary" ]; then
# check if we already have the tarball
# check if we have curl installed
# download application
[ ! -f "${local_tarball}" ] && [ $(command -v curl) ] && \
echo "exec: curl ${curl_opts} ${remote_tarball}" 1>&2 && \
curl ${curl_opts} "${remote_tarball}" > "${local_tarball}"
# if the file still doesn't exist, lets try `wget` and cross our fingers
[ ! -f "${local_tarball}" ] && [ $(command -v wget) ] && \
echo "exec: wget ${wget_opts} ${remote_tarball}" 1>&2 && \
wget ${wget_opts} -O "${local_tarball}" "${remote_tarball}"
# if both were unsuccessful, exit
[ ! -f "${local_tarball}" ] && \
echo -n "ERROR: Cannot download $2 with cURL or wget; " && \
echo "please install manually and try again." && \
exit 2
cd "${_DIR}" && tar -xzf "$2"
rm -rf "$local_tarball"
fi
}
# Determine the Maven version from the root pom.xml file and
# install maven under the build/ folder if needed.
install_mvn() {
local MVN_VERSION=`grep "<maven.version>" "${_DIR}/../pom.xml" | head -n1 | awk -F '[<>]' '{print $3}'`
MVN_BIN="$(command -v mvn)"
if [ "$MVN_BIN" ]; then
local MVN_DETECTED_VERSION="$(mvn --version | head -n1 | awk '{print $3}')"
fi
# See simple version normalization: http://stackoverflow.com/questions/16989598/bash-comparing-version-numbers
function version { echo "$@" | awk -F. '{ printf("%03d%03d%03d\n", $1,$2,$3); }'; }
if [ $(version $MVN_DETECTED_VERSION) -lt $(version $MVN_VERSION) ]; then
local APACHE_MIRROR=${APACHE_MIRROR:-'https://www.apache.org/dyn/closer.lua?action=download&filename='}
install_app \
"${APACHE_MIRROR}/maven/maven-3/${MVN_VERSION}/binaries" \
"apache-maven-${MVN_VERSION}-bin.tar.gz" \
"apache-maven-${MVN_VERSION}/bin/mvn"
MVN_BIN="${_DIR}/apache-maven-${MVN_VERSION}/bin/mvn"
fi
}
# Install zinc under the build/ folder
install_zinc() {
local zinc_path="zinc-0.3.11/bin/zinc"
[ ! -f "${_DIR}/${zinc_path}" ] && ZINC_INSTALL_FLAG=1
local TYPESAFE_MIRROR=${TYPESAFE_MIRROR:-https://downloads.typesafe.com}
install_app \
"${TYPESAFE_MIRROR}/zinc/0.3.11" \
"zinc-0.3.11.tgz" \
"${zinc_path}"
ZINC_BIN="${_DIR}/${zinc_path}"
}
# Determine the Scala version from the root pom.xml file, set the Scala URL,
# and, with that, download the specific version of Scala necessary under
# the build/ folder
install_scala() {
# determine the Scala version used in Spark
local scala_version=`grep "scala.version" "${_DIR}/../pom.xml" | head -n1 | awk -F '[<>]' '{print $3}'`
local scala_bin="${_DIR}/scala-${scala_version}/bin/scala"
local TYPESAFE_MIRROR=${TYPESAFE_MIRROR:-https://downloads.typesafe.com}
install_app \
"${TYPESAFE_MIRROR}/scala/${scala_version}" \
"scala-${scala_version}.tgz" \
"scala-${scala_version}/bin/scala"
SCALA_COMPILER="$(cd "$(dirname "${scala_bin}")/../lib" && pwd)/scala-compiler.jar"
SCALA_LIBRARY="$(cd "$(dirname "${scala_bin}")/../lib" && pwd)/scala-library.jar"
}
# Setup healthy defaults for the Zinc port if none were provided from
# the environment
ZINC_PORT=${ZINC_PORT:-"3030"}
# Remove `--force` for backward compatibility.
if [ "$1" == "--force" ]; then
echo "WARNING: '--force' is deprecated and ignored."
shift
fi
# Install the proper version of Scala, Zinc and Maven for the build
install_zinc
install_scala
install_mvn
# Reset the current working directory
cd "${_CALLING_DIR}"
# Now that zinc is ensured to be installed, check its status and, if its
# not running or just installed, start it
if [ -n "${ZINC_INSTALL_FLAG}" -o -z "`"${ZINC_BIN}" -status -port ${ZINC_PORT}`" ]; then
export ZINC_OPTS=${ZINC_OPTS:-"$_COMPILE_JVM_OPTS"}
"${ZINC_BIN}" -shutdown -port ${ZINC_PORT}
"${ZINC_BIN}" -start -port ${ZINC_PORT} \
-scala-compiler "${SCALA_COMPILER}" \
-scala-library "${SCALA_LIBRARY}" &>/dev/null
fi
# Set any `mvn` options if not already present
export MAVEN_OPTS=${MAVEN_OPTS:-"$_COMPILE_JVM_OPTS"}
echo "Using \`mvn\` from path: $MVN_BIN" 1>&2
# Last, call the `mvn` command as usual
${MVN_BIN} -DzincPort=${ZINC_PORT} "$@"
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