build-prereq.sh

#!/bin/bash
set -euo pipefail

# Copyright 2017 Google Inc.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
#    contributors may be used to endorse or promote products derived from this
#    software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

echo ========== Load config settings.

source settings.sh

################################################################################
# Misc. setup
################################################################################

note_build_stage "Install the runtime packages"

./run-prereq.sh

note_build_stage "Update package list"

sudo -H apt-get -qq -y update

note_build_stage "Install development packages"

sudo -H apt-get -y install pkg-config zip g++ zlib1g-dev unzip curl git

################################################################################
# Java
################################################################################

note_build_stage "Install Java and friends"

# Java is available on Kokoro, so we add this cutout.
if ! java -version 2>&1 | fgrep "1.8"; then
  echo "No Java 8, will install."
  sudo -H apt-get install -y software-properties-common debconf-utils
  sudo add-apt-repository -y ppa:webupd8team/java
  sudo -H apt-get -qq -y update
  echo "oracle-java8-installer shared/accepted-oracle-license-v1-1 select true" | sudo debconf-set-selections
  sudo -H apt-get install -y oracle-java8-installer
  sudo -H apt-get -y install ca-certificates-java
  sudo update-ca-certificates -f
else
  echo "Java 8 found, will not reinstall."
fi

################################################################################
# bazel
################################################################################

note_build_stage "Install bazel"

if bazel --bazelrc=/dev/null --nomaster_bazelrc version
then
  echo "Bazel already installed on the machine, not reinstalling"
else
  # https://bazel.build/versions/master/docs/install-ubuntu.html
  echo "deb [arch=amd64] http://storage.googleapis.com/bazel-apt stable jdk1.8" |
    sudo tee /etc/apt/sources.list.d/bazel.list
  curl https://bazel.build/bazel-release.pub.gpg | sudo apt-key add -
  sudo -H apt-get -qq -y update
  sudo -H apt-get -y install bazel
  sudo -H apt-get -y upgrade bazel
fi

################################################################################
# CLIF
################################################################################

note_build_stage "Install CLIF binary"

if [[ -e /usr/local/clif/bin/pyclif ]];
then
  echo "CLIF already installed."
else
  # Figure out which linux installation we are on to fetch an appropriate
  # version of the pre-built CLIF binary. Note that we only support now Ubuntu
  # 14 and 16.
  case "$(lsb_release -d)" in
    *Ubuntu*16.*.*) export DV_PLATFORM="ubuntu-16" ;;
    *Ubuntu*14.*.*) export DV_PLATFORM="ubuntu-14" ;;
    *) echo "CLIF is not installed on this machine and a prebuilt binary is not 
unavailable for this platform. Please install CLIF at
https://github.com/google/clif before continuing."
    exit 1
  esac

  OSS_CLIF_ROOT="${DV_PACKAGE_BUCKET_PATH}/oss_clif"
  OSS_CLIF_PKG="oss_clif.${DV_PLATFORM}.latest.tgz"

  if [[ ! -f "/tmp/${OSS_CLIF_PKG}" ]]; then
      gsutil cp "${OSS_CLIF_ROOT}/${OSS_CLIF_PKG}" /tmp/
  fi

  (cd / && sudo tar xzf "/tmp/${OSS_CLIF_PKG}")
  sudo ldconfig  # Reload shared libraries.
fi

################################################################################
# TensorFlow
################################################################################

note_build_stage "Download and configure TensorFlow sources"

(cd .. &&
 git clone https://github.com/tensorflow/tensorflow &&
 cd tensorflow &&
 git checkout "${DV_TENSORFLOW_GIT_SHA}" &&
 echo | ./configure)

note_build_stage "build-prereq.sh complete"