Add 'third_party/cpp/googleapis/' from commit 'c873fd3aa1'

git-subtree-dir: third_party/cpp/googleapis
git-subtree-mainline: 438050b3d9
git-subtree-split: c873fd3aa1

third_party/cpp/googleapis/ci/kokoro/Dockerfile.centos

@@ -0,0 +1,51 @@
+# Copyright 2019 Google LLC
+#
+# 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.
+
+ARG DISTRO_VERSION=7
+FROM centos:${DISTRO_VERSION}
+
+# Add /usr/local/lib
+
+# Search paths tweak for the build
+ENV PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/local/lib64/pkgconfig
+ENV LD_LIBRARY_PATH=/usr/local/lib:/usr/local/lib64
+ENV PATH=/usr/local/bin:${PATH}
+
+# First install the development tools and OpenSSL. The development tools
+# distributed with CentOS (notably CMake) are too old to build
+# `google-cloud-cpp`. In these instructions, we use `cmake3` obtained from
+# [Software Collections](https://www.softwarecollections.org/).
+
+RUN rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
+RUN yum install -y centos-release-scl
+RUN yum-config-manager --enable rhel-server-rhscl-7-rpms
+RUN yum makecache && \
+    yum install -y automake cmake3 curl-devel gcc gcc-c++ git libtool \
+        make openssl-devel pkgconfig tar wget which zlib-devel
+RUN ln -sf /usr/bin/cmake3 /usr/bin/cmake && ln -sf /usr/bin/ctest3 /usr/bin/ctest
+
+# Install c-ares
+RUN mkdir -p /var/tmp/Downloads; \
+    cd /var/tmp/Downloads; \
+    wget -q https://github.com/c-ares/c-ares/archive/cares-1_15_0.tar.gz; \
+    tar -xf cares-1_15_0.tar.gz; \
+    cd /var/tmp/Downloads/c-ares-cares-1_15_0; \
+    ./buildconf && ./configure && make -j $(nproc); \
+    make install; \
+    ldconfig
+
+# Install grpc from source
+WORKDIR /var/tmp/ci
+COPY install-grpc.sh /var/tmp/ci
+RUN /var/tmp/ci/install-grpc.sh

third_party/cpp/googleapis/ci/kokoro/Dockerfile.fedora

@@ -0,0 +1,38 @@
+# Copyright 2019 Google LLC
+#
+# 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.
+
+ARG DISTRO_VERSION=30
+FROM fedora:${DISTRO_VERSION}
+
+# Fedora includes packages for gRPC, libcurl, and OpenSSL that are recent enough
+# for `google-cloud-cpp`. Install these packages and additional development
+# tools to compile the dependencies:
+RUN dnf makecache && \
+    dnf install -y clang clang-tools-extra cmake doxygen findutils gcc-c++ git \
+        grpc-devel grpc-plugins libcxx-devel libcxxabi-devel libcurl-devel \
+        make openssl-devel pkgconfig protobuf-compiler python-pip ShellCheck \
+        tar wget zlib-devel
+
+# Install the the buildifier tool, which does not compile with the default
+# golang compiler for Ubuntu 16.04 and Ubuntu 18.04.
+RUN wget -q -O /usr/bin/buildifier https://github.com/bazelbuild/buildtools/releases/download/0.17.2/buildifier
+RUN chmod 755 /usr/bin/buildifier
+
+# Install cmake_format to automatically format the CMake list files.
+#     https://github.com/cheshirekow/cmake_format
+# Pin this to an specific version because the formatting changes when the
+# "latest" version is updated, and we do not want the builds to break just
+# because some third party changed something.
+RUN pip install --upgrade pip
+RUN pip install numpy cmake_format==0.6.9

third_party/cpp/googleapis/ci/kokoro/Dockerfile.ubuntu-16.04

@@ -0,0 +1,53 @@
+# Copyright 2019 Google LLC
+#
+# 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 ubuntu:16.04
+
+RUN apt update && \
+    apt install -y \
+        automake \
+        build-essential \
+        clang \
+        cmake \
+        curl \
+        doxygen \
+        gawk \
+        git \
+        gcc \
+        golang \
+        g++ \
+        libssl-dev \
+        libtool \
+        make \
+        ninja-build \
+        pkg-config \
+        python-pip \
+        shellcheck \
+        tar \
+        unzip \
+        wget \
+        zlib1g-dev
+
+WORKDIR /var/tmp/Downloads
+RUN wget -q https://github.com/c-ares/c-ares/archive/cares-1_15_0.tar.gz && \
+    tar -xf cares-1_15_0.tar.gz && \
+    cd /var/tmp/Downloads/c-ares-cares-1_15_0 && \
+    ./buildconf && ./configure && make -j $(nproc) && \
+    make install && \
+    ldconfig
+
+# Install grpc from source
+WORKDIR /var/tmp/ci
+COPY install-grpc.sh /var/tmp/ci
+RUN /var/tmp/ci/install-grpc.sh

third_party/cpp/googleapis/ci/kokoro/Dockerfile.ubuntu-18.04

@@ -0,0 +1,45 @@
+# Copyright 2019 Google LLC
+#
+# 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 ubuntu:18.04
+
+RUN apt update && \
+    apt install -y \
+        build-essential \
+        clang \
+        cmake \
+        curl \
+        doxygen \
+        gawk \
+        git \
+        gcc \
+        golang \
+        g++ \
+        libc-ares-dev \
+        libc-ares2 \
+        libssl-dev \
+        make \
+        ninja-build \
+        pkg-config \
+        python-pip \
+        shellcheck \
+        tar \
+        unzip \
+        wget \
+        zlib1g-dev
+
+# Install grpc from source
+WORKDIR /var/tmp/ci
+COPY install-grpc.sh /var/tmp/ci
+RUN /var/tmp/ci/install-grpc.sh

third_party/cpp/googleapis/ci/kokoro/docker/build-in-docker-cmake.sh

@@ -0,0 +1,112 @@
+#!/usr/bin/env bash
+# Copyright 2019 Google LLC
+#
+# 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.
+
+set -eu
+
+if [[ $# != 2 ]]; then
+  echo "Usage: $(basename "$0") <source-directory> <binary-directory>"
+  exit 1
+fi
+
+readonly SOURCE_DIR="$1"
+readonly BINARY_DIR="$2"
+
+# This script is supposed to run inside a Docker container, see
+# ci/kokoro/cmake/installed-dependencies/build.sh for the expected setup.  The
+# /v directory is a volume pointing to a (clean-ish) checkout of the project:
+if [[ -z "${PROJECT_ROOT+x}" ]]; then
+  readonly PROJECT_ROOT="/v"
+fi
+source "${PROJECT_ROOT}/ci/colors.sh"
+
+echo
+echo "${COLOR_YELLOW}Starting docker build $(date) with $(nproc) cores${COLOR_RESET}"
+echo
+
+echo "================================================================"
+echo "Verify formatting $(date)"
+(cd "${PROJECT_ROOT}" ; ./ci/check-style.sh)
+echo "================================================================"
+
+echo "================================================================"
+echo "Compiling on $(date)"
+echo "================================================================"
+cd "${PROJECT_ROOT}"
+cmake_flags=()
+if [[ "${CLANG_TIDY:-}" = "yes" ]]; then
+  cmake_flags+=("-DGOOGLE_CLOUD_CPP_CLANG_TIDY=yes")
+fi
+if [[ "${GOOGLE_CLOUD_CPP_CXX_STANDARD:-}" != "" ]]; then
+  cmake_flags+=(
+    "-DGOOGLE_CLOUD_CPP_CXX_STANDARD=${GOOGLE_CLOUD_CPP_CXX_STANDARD}")
+fi
+
+if [[ "${CODE_COVERAGE:-}" == "yes" ]]; then
+  cmake_flags+=(
+    "-DCMAKE_BUILD_TYPE=Coverage")
+fi
+
+if [[ "${USE_NINJA:-}" == "yes" ]]; then
+  cmake_flags+=( "-GNinja" )
+fi
+
+# Avoid unbound variable error with older bash
+if [[ "${#cmake_flags[@]}" == 0 ]]; then
+  cmake "-H${SOURCE_DIR}" "-B${BINARY_DIR}"
+else
+  cmake "-H${SOURCE_DIR}" "-B${BINARY_DIR}" "${cmake_flags[@]}"
+fi
+cmake --build "${BINARY_DIR}" -- -j "$(nproc)"
+
+# When user a super-build the tests are hidden in a subdirectory. We can tell
+# that ${BINARY_DIR} does not have the tests by checking for this file:
+if [[ -r "${BINARY_DIR}/CTestTestfile.cmake" ]]; then
+  echo "================================================================"
+  # It is Okay to skip the tests in this case because the super build
+  # automatically runs them.
+  echo "Running the unit tests $(date)"
+  env -C "${BINARY_DIR}" ctest \
+      -LE integration-tests \
+      --output-on-failure -j "$(nproc)"
+  echo "================================================================"
+fi
+
+if [[ "${GENERATE_DOCS:-}" = "yes" ]]; then
+  echo "================================================================"
+  echo "Validate Doxygen documentation $(date)"
+  cmake --build "${BINARY_DIR}" --target doxygen-docs
+  echo "================================================================"
+fi
+
+if [[ ${RUN_INTEGRATION_TESTS} == "yes" ]]; then
+  echo "================================================================"
+  echo "Running the integration tests $(date)"
+  echo "================================================================"
+  # shellcheck disable=SC1091
+  source /c/spanner-integration-tests-config.sh
+  export GOOGLE_APPLICATION_CREDENTIALS=/c/spanner-credentials.json
+
+  # Run the integration tests too.
+  env -C "${BINARY_DIR}" ctest \
+      -L integration-tests \
+      --output-on-failure
+  echo "================================================================"
+fi
+
+echo "================================================================"
+echo "Build finished at $(date)"
+echo "================================================================"
+
+exit 0

third_party/cpp/googleapis/ci/kokoro/docker/build.sh

@@ -0,0 +1,272 @@
+#!/usr/bin/env bash
+# Copyright 2019 Google LLC
+#
+# 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.
+
+set -eu
+
+export CC=gcc
+export CXX=g++
+export DISTRO=ubuntu
+export DISTRO_VERSION=18.04
+export CMAKE_SOURCE_DIR="."
+
+in_docker_script="ci/kokoro/docker/build-in-docker-cmake.sh"
+
+if [[ $# -eq 1 ]]; then
+  export BUILD_NAME="${1}"
+elif [[ -n "${KOKORO_JOB_NAME:-}" ]]; then
+  # Kokoro injects the KOKORO_JOB_NAME environment variable, the value of this
+  # variable is cloud-cpp/spanner/<config-file-name-without-cfg> (or more
+  # generally <path/to/config-file-without-cfg>). By convention we name these
+  # files `$foo.cfg` for continuous builds and `$foo-presubmit.cfg` for
+  # presubmit builds. Here we extract the value of "foo" and use it as the build
+  # name.
+  BUILD_NAME="$(basename "${KOKORO_JOB_NAME}" "-presubmit")"
+  export BUILD_NAME
+else
+  echo "Aborting build as the build name is not defined."
+  echo "If you are invoking this script via the command line use:"
+  echo "    $0 <build-name>"
+  echo
+  echo "If this script is invoked by Kokoro, the CI system is expected to set"
+  echo "the KOKORO_JOB_NAME environment variable."
+  exit 1
+fi
+
+if [[ "${BUILD_NAME}" = "clang-tidy" ]]; then
+  # Compile with clang-tidy(1) turned on. The build treats clang-tidy warnings
+  # as errors.
+  export DISTRO=fedora
+  export DISTRO_VERSION=30
+  export CC=clang
+  export CXX=clang++
+  export CHECK_STYLE=yes
+  export CLANG_TIDY=yes
+elif [[ "${BUILD_NAME}" = "ubuntu-18.04" ]]; then
+  export CC=gcc
+  export CXX=g++
+elif [[ "${BUILD_NAME}" = "ubuntu-16.04" ]]; then
+  export DISTRO_VERSION=16.04
+  export CC=gcc
+  export CXX=g++
+elif [[ "${BUILD_NAME}" = "gcc-4.8" ]]; then
+  # The oldest version of GCC we support is 4.8, this build checks the code
+  # against that version. The use of CentOS 7 for that build is not a
+  # coincidence: the reason we support GCC 4.8 is to support this distribution
+  # (and its commercial cousin: RHEL 7).
+  export CC=gcc
+  export CXX=g++
+  export DISTRO=centos
+  export DISTRO_VERSION=7
+elif [[ "${BUILD_NAME}" = "clang-3.8" ]]; then
+  # The oldest version of Clang we actively test is 3.8. There is nothing
+  # particularly interesting about that version. It is simply the version
+  # included with Ubuntu:16.04, and the oldest version tested by
+  # google-cloud-cpp.
+  export DISTRO=ubuntu
+  export DISTRO_VERSION=16.04
+  export CC=clang
+  export CXX=clang++
+elif [[ "${BUILD_NAME}" = "ninja" ]]; then
+  # Compiling with Ninja can catch bugs that may not be caught using Make.
+  export USE_NINJA=yes
+else
+  echo "Unknown BUILD_NAME (${BUILD_NAME}). Fix the Kokoro .cfg file."
+  exit 1
+fi
+
+if [[ -z "${PROJECT_ROOT+x}" ]]; then
+  readonly PROJECT_ROOT="$(cd "$(dirname "$0")/../../.."; pwd)"
+fi
+
+if [[ -z "${PROJECT_ID+x}" ]]; then
+  readonly PROJECT_ID="cloud-devrel-kokoro-resources"
+fi
+
+# Determine the image name.
+readonly IMAGE="gcr.io/${PROJECT_ID}/cpp-cmakefiles/${DISTRO}-${DISTRO_VERSION}"
+readonly BUILD_OUTPUT="cmake-out/${BUILD_NAME}"
+readonly BUILD_HOME="cmake-out/home/${BUILD_NAME}"
+
+echo "================================================================"
+cd "${PROJECT_ROOT}"
+echo "Building with $(nproc) cores $(date) on ${PWD}."
+
+echo "================================================================"
+echo "Capture Docker version to troubleshoot $(date)."
+docker version
+echo "================================================================"
+
+has_cache="false"
+
+if [[ -n "${KOKORO_JOB_NAME:-}" ]]; then
+  # Download the docker image from the previous build on kokoro for speed.
+  echo "================================================================"
+  echo "Downloading Docker image $(date)."
+  gcloud auth configure-docker
+  if docker pull "${IMAGE}:latest"; then
+    echo "Existing image successfully downloaded."
+    has_cache="true"
+  fi
+  echo "================================================================"
+fi
+
+docker_build_flags=(
+  "-t" "${IMAGE}:latest"
+)
+
+if [[ -f "ci/kokoro/Dockerfile.${DISTRO}-${DISTRO_VERSION}" ]]; then
+  docker_build_flags+=("-f" "ci/kokoro/Dockerfile.${DISTRO}-${DISTRO_VERSION}")
+else
+  docker_build_flags+=(
+    "-f" "ci/kokoro/Dockerfile.${DISTRO}"
+    "--build-arg" "DISTRO_VERSION=${DISTRO_VERSION}"
+  )
+fi
+
+if "${has_cache}"; then
+  docker_build_flags+=("--cache-from=${IMAGE}:latest")
+fi
+
+update_cache="false"
+echo "================================================================"
+echo "Creating Docker image with all the development tools $(date)."
+if ci/retry-command.sh docker build "${docker_build_flags[@]}" ci; then
+  update_cache="true"
+  echo "Docker image created $(date)."
+  docker image ls | grep "${IMAGE}"
+else
+  echo "Failed creating Docker image $(date)."
+  if "${has_cache}"; then
+    echo "Continue the build with the cache."
+  else
+    exit 1   
+  fi
+fi
+echo "================================================================"
+
+if [[ -n "${KOKORO_JOB_NAME:-}" ]]; then
+  # Upload the docker image for speeding up the future builds.
+  echo "================================================================"
+  echo "Uploading Docker image $(date)."
+  docker push "${IMAGE}:latest" || true
+  echo "================================================================"
+fi
+
+
+echo "================================================================"
+echo "Running the full build $(date)."
+# The default user for a Docker container has uid 0 (root). To avoid creating
+# root-owned files in the build directory we tell docker to use the current
+# user ID, if known.
+docker_uid="${UID:-0}"
+docker_user="${USER:-root}"
+docker_home_prefix="${PWD}/cmake-out/home"
+if [[ "${docker_uid}" == "0" ]]; then
+  docker_home_prefix="${PWD}/cmake-out/root"
+fi
+
+# Make sure the user has a $HOME directory inside the Docker container.
+mkdir -p "${BUILD_HOME}"
+mkdir -p "${BUILD_OUTPUT}"
+
+# We use an array for the flags so they are easier to document.
+docker_flags=(
+    # Grant the PTRACE capability to the Docker container running the build,
+    # this is needed by tools like AddressSanitizer.
+    "--cap-add" "SYS_PTRACE"
+
+    # The name and version of the distribution, this is used to call
+    # define-docker-variables.sh and determine the Docker image built, and the
+    # output directory for any artifacts.
+    "--env" "DISTRO=${DISTRO}"
+    "--env" "DISTRO_VERSION=${DISTRO_VERSION}"
+
+    # The C++ and C compiler, both Bazel and CMake use this environment variable
+    # to select the compiler binary.
+    "--env" "CXX=${CXX}"
+    "--env" "CC=${CC}"
+
+    # If set to 'yes', the build script will run the style checks, including
+    # clang-format, cmake-format, and buildifier.
+    "--env" "CHECK_STYLE=${CHECK_STYLE:-}"
+
+    # If set to 'yes', the build script will configure clang-tidy. Currently
+    # only the CMake builds use this flag.
+    "--env" "CLANG_TIDY=${CLANG_TIDY:-}"
+
+    # If set to 'yes', run the integration tests. Currently only the Bazel
+    # builds use this flag.
+    "--env" "RUN_INTEGRATION_TESTS=${RUN_INTEGRATION_TESTS:-}"
+
+    # If set to 'yes', run compile with code coverage flags. Currently only the
+    # CMake builds use this flag.
+    "--env" "CODE_COVERAGE=${CODE_COVERAGE:-}"
+
+    # If set to 'yes', use Ninja as the CMake generator. Ninja is more strict
+    # that Make and can detect errors in your CMake files, it is also faster.
+    "--env" "USE_NINJA=${USE_NINJA:-}"
+
+    # If set, pass -DGOOGLE_CLOUD_CPP_CXX_STANDARD=<value> to CMake.
+    "--env" "GOOGLE_CLOUD_CPP_CXX_STANDARD=${GOOGLE_CLOUD_CPP_CXX_STANDARD:-}"
+
+    # When running the integration tests this directory contains the
+    # configuration files needed to run said tests. Make it available inside
+    # the Docker container.
+    "--volume" "${KOKORO_GFILE_DIR:-/dev/shm}:/c"
+
+    # Let the Docker image script know what kind of terminal we are using, that
+    # produces properly colorized error messages.
+    "--env" "TERM=${TERM:-dumb}"
+
+    # Run the docker script and this user id. Because the docker image gets to
+    # write in ${PWD} you typically want this to be your user id.
+    "--user" "${docker_uid}"
+
+    # Bazel needs this environment variable to work correctly.
+    "--env" "USER=${docker_user}"
+
+    # We give Bazel and CMake a fake $HOME inside the docker image. Bazel caches
+    # build byproducts in this directory. CMake (when ccache is enabled) uses
+    # it to store $HOME/.ccache
+    "--env" "HOME=/h"
+    "--volume" "${PWD}/${BUILD_HOME}:/h"
+
+    # Mount the current directory (which is the top-level directory for the
+    # project) as `/v` inside the docker image, and move to that directory.
+    "--volume" "${PWD}:/v"
+    "--workdir" "/v"
+
+    # Mask any other builds that may exist at the same time. That is, these
+    # directories appear as empty inside the Docker container, this prevents the
+    # container from writing into other builds, or to get confused by the output
+    # of other builds. In the CI system this does not matter, as each build runs
+    # on a completely separate VM. This is useful when running multiple builds
+    # in your workstation.
+    "--volume" "/v/cmake-out/home"
+    "--volume" "/v/cmake-out"
+    "--volume" "${PWD}/${BUILD_OUTPUT}:/v/${BUILD_OUTPUT}"
+)
+
+# When running the builds from the command-line they get a tty, and the scripts
+# running inside the Docker container can produce nicer output. On Kokoro the
+# script does not get a tty, and Docker terminates the program if we pass the
+# `-it` flag.
+if [[ -t 0 ]]; then
+  docker_flags+=("-it")
+fi
+
+docker run "${docker_flags[@]}" "${IMAGE}:latest" \
+    "/v/${in_docker_script}" "${CMAKE_SOURCE_DIR}" \
+    "${BUILD_OUTPUT}"

third_party/cpp/googleapis/ci/kokoro/docker/common.cfg

@@ -0,0 +1,17 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+# Copyright 2019 Google LLC
+#
+# 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.
+
+build_file: "cpp-cmakefiles/ci/kokoro/docker/build.sh"
+timeout_mins: 120

third_party/cpp/googleapis/ci/kokoro/install/Dockerfile.centos-7

@@ -0,0 +1,105 @@
+# Copyright 2019 Google LLC
+#
+# 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 centos:7 AS devtools
+
+# Please keep the formatting in these commands, it is optimized to cut & paste
+# into the INSTALL.md file.
+
+## [START INSTALL.md]
+
+# First install the development tools and OpenSSL. The development tools
+# distributed with CentOS (notably CMake) are too old to build
+# `cpp-cmakefiles`. In these instructions, we use `cmake3` obtained from
+# [Software Collections](https://www.softwarecollections.org/).
+
+# ```bash
+RUN rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
+RUN yum install -y centos-release-scl
+RUN yum-config-manager --enable rhel-server-rhscl-7-rpms
+RUN yum makecache && \
+    yum install -y automake cmake3 curl-devel gcc gcc-c++ git libtool \
+        make openssl-devel pkgconfig tar wget which zlib-devel
+RUN ln -sf /usr/bin/cmake3 /usr/bin/cmake && ln -sf /usr/bin/ctest3 /usr/bin/ctest
+# ```
+
+# #### Protobuf
+
+# Likewise, manually install protobuf:
+
+# ```bash
+WORKDIR /var/tmp/build
+RUN wget -q https://github.com/google/protobuf/archive/v3.9.0.tar.gz
+RUN tar -xf v3.9.0.tar.gz
+WORKDIR /var/tmp/build/protobuf-3.9.0/cmake
+RUN cmake \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DBUILD_SHARED_LIBS=yes \
+        -Dprotobuf_BUILD_TESTS=OFF \
+        -H. -Bcmake-out
+RUN cmake --build cmake-out --target install -- -j $(nproc)
+RUN ldconfig
+# ```
+
+# #### c-ares
+
+# Recent versions of gRPC require c-ares >= 1.11, while CentOS-7
+# distributes c-ares-1.10. Manually install a newer version:
+
+# ```bash
+WORKDIR /var/tmp/build
+RUN wget -q https://github.com/c-ares/c-ares/archive/cares-1_15_0.tar.gz
+RUN tar -xf cares-1_15_0.tar.gz
+WORKDIR /var/tmp/build/c-ares-cares-1_15_0
+RUN ./buildconf && ./configure && make -j $(nproc)
+RUN make install
+RUN ldconfig
+# ```
+
+# #### gRPC
+
+# Can be manually installed using:
+
+# ```bash
+WORKDIR /var/tmp/build
+RUN wget -q https://github.com/grpc/grpc/archive/v1.22.0.tar.gz
+RUN tar -xf v1.22.0.tar.gz
+WORKDIR /var/tmp/build/grpc-1.22.0
+ENV PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/local/lib64/pkgconfig
+ENV LD_LIBRARY_PATH=/usr/local/lib:/usr/local/lib64
+ENV PATH=/usr/local/bin:${PATH}
+RUN make -j $(nproc)
+RUN make install
+RUN ldconfig
+# ```
+
+FROM devtools AS install
+
+# #### googleapis
+
+# Finally we can install `googleapis`.
+
+# ```bash
+WORKDIR /home/build/cpp-cmakefiles
+COPY . /home/build/cpp-cmakefiles
+RUN cmake -H. -Bcmake-out
+RUN cmake --build cmake-out -- -j $(nproc)
+WORKDIR /home/build/cpp-cmakefiles/cmake-out
+RUN cmake --build . --target install
+# ```
+
+## [END INSTALL.md]
+
+# Verify that the installed files are actually usable
+RUN /home/build/cpp-cmakefiles/ci/test-install/compile-test-projects.sh

third_party/cpp/googleapis/ci/kokoro/install/Dockerfile.fedora-30

@@ -0,0 +1,58 @@
+# Copyright 2019 Google LLC
+#
+# 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 fedora:30 AS devtools
+
+# Please keep the formatting below, it is used by `extract-install.md`
+# to generate the contents of the top-level INSTALL.md.
+
+## [START INSTALL.md]
+
+# Install the minimal development tools:
+
+# ```bash
+RUN dnf makecache && \
+    dnf install -y cmake gcc-c++ git make openssl-devel pkgconfig \
+        zlib-devel
+# ```
+
+# Fedora includes packages for gRPC, libcurl, and OpenSSL that are recent enough
+# for `cpp-cmakefiles`. Install these packages and additional development
+# tools to compile the dependencies:
+
+# ```bash
+RUN dnf makecache && \
+    dnf install -y grpc-devel grpc-plugins \
+        libcurl-devel protobuf-compiler tar wget zlib-devel
+# ```
+
+FROM devtools AS install
+
+# #### googleapis
+
+# We can now compile and install `googleapis`.
+
+# ```bash
+WORKDIR /home/build/cpp-cmakefiles
+COPY . /home/build/cpp-cmakefiles
+RUN cmake -H. -Bcmake-out
+RUN cmake --build cmake-out -- -j $(nproc)
+WORKDIR /home/build/cpp-cmakefiles/cmake-out
+RUN cmake --build . --target install
+# ```
+
+## [END INSTALL.md]
+
+# Verify that the installed files are actually usable
+RUN /home/build/cpp-cmakefiles/ci/test-install/compile-test-projects.sh

third_party/cpp/googleapis/ci/kokoro/install/Dockerfile.fedora-30-shared

@@ -0,0 +1,62 @@
+# Copyright 2019 Google LLC
+#
+# 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 fedora:30 AS devtools
+
+# Please keep the formatting below, it is used by `extract-install.md`
+# to generate the contents of the top-level INSTALL.md.
+
+## [START INSTALL.md]
+
+# Install the minimal development tools:
+
+# ```bash
+RUN dnf makecache && \
+    dnf install -y cmake gcc-c++ git make openssl-devel pkgconfig \
+        zlib-devel
+# ```
+
+# Fedora includes packages for gRPC, libcurl, and OpenSSL that are recent enough
+# for `cpp-cmakefiles`. Install these packages and additional development
+# tools to compile the dependencies:
+
+# ```bash
+RUN dnf makecache && \
+    dnf install -y grpc-devel grpc-plugins \
+        libcurl-devel protobuf-compiler tar wget zlib-devel
+# ```
+
+FROM devtools AS install
+
+# #### googleapis
+
+# We can now compile and install `googleapis` as shared library.
+
+# ```bash
+WORKDIR /home/build/cpp-cmakefiles
+COPY . /home/build/cpp-cmakefiles
+RUN cmake -H. -Bcmake-out -DBUILD_SHARED_LIBS=yes
+RUN cmake --build cmake-out -- -j $(nproc)
+WORKDIR /home/build/cpp-cmakefiles/cmake-out
+RUN cmake --build . --target install
+# The share libraries will install in `/usr/local/lib64` we need that directory
+# in the ld.so cache:
+RUN echo "/usr/local/lib64" | tee /etc/ld.so.conf.d/local.conf
+RUN ldconfig
+# ```
+
+## [END INSTALL.md]
+
+# Verify that the installed files are actually usable
+RUN /home/build/cpp-cmakefiles/ci/test-install/compile-test-projects.sh

third_party/cpp/googleapis/ci/kokoro/install/Dockerfile.opensuse-leap

@@ -0,0 +1,114 @@
+# Copyright 2019 Google LLC
+#
+# 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 opensuse/leap:latest AS devtools
+
+## [START INSTALL.md]
+
+# Install the minimal development tools:
+
+# ```bash
+RUN zypper refresh && \
+    zypper install --allow-downgrade -y cmake gcc gcc-c++ git gzip \
+        libcurl-devel libopenssl-devel make tar wget
+# ```
+
+# #### Protobuf
+
+# OpenSUSE Leap includes a package for protobuf-2.6, but this is too old to
+# support the Google Cloud Platform proto files, or to support gRPC for that
+# matter. Manually install protobuf:
+
+# ```bash
+WORKDIR /var/tmp/build
+RUN wget -q https://github.com/google/protobuf/archive/v3.9.0.tar.gz
+RUN tar -xf v3.9.0.tar.gz
+WORKDIR /var/tmp/build/protobuf-3.9.0/cmake
+RUN cmake \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DBUILD_SHARED_LIBS=yes \
+        -Dprotobuf_BUILD_TESTS=OFF \
+        -H. -Bcmake-out
+RUN cmake --build cmake-out --target install -- -j $(nproc)
+RUN ldconfig
+# ```
+
+# #### c-ares
+
+# Recent versions of gRPC require c-ares >= 1.11, while OpenSUSE Leap
+# distributes c-ares-1.9. We need some additional development tools to compile
+# this library:
+
+# ```bash
+RUN zypper refresh && \
+    zypper install -y automake libtool
+# ```
+
+# Manually install a newer version:
+
+# ```bash
+WORKDIR /var/tmp/build
+RUN wget -q https://github.com/c-ares/c-ares/archive/cares-1_15_0.tar.gz
+RUN tar -xf cares-1_15_0.tar.gz
+WORKDIR /var/tmp/build/c-ares-cares-1_15_0
+RUN ./buildconf && ./configure && make -j $(nproc)
+RUN make install
+RUN ldconfig
+# ```
+
+# #### gRPC
+
+# The gRPC Makefile uses `which` to determine whether the compiler is available.
+# Install this command for the extremely rare case where it may be missing from
+# your workstation or build server:
+
+# ```bash
+RUN zypper refresh && \
+    zypper install -y which
+# ```
+
+# Then gRPC can be manually installed using:
+
+# ```bash
+WORKDIR /var/tmp/build
+RUN wget -q https://github.com/grpc/grpc/archive/v1.22.0.tar.gz
+RUN tar -xf v1.22.0.tar.gz
+WORKDIR /var/tmp/build/grpc-1.22.0
+ENV PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/local/lib64/pkgconfig
+ENV LD_LIBRARY_PATH=/usr/local/lib:/usr/local/lib64
+ENV PATH=/usr/local/bin:${PATH}
+RUN make -j $(nproc)
+RUN make install
+RUN ldconfig
+# ```
+
+FROM devtools AS install
+
+# #### googleapis
+
+# We can now compile and install `googleapis`.
+
+# ```bash
+WORKDIR /home/build/cpp-cmakefiles
+COPY . /home/build/cpp-cmakefiles
+RUN cmake -H. -Bcmake-out
+RUN cmake --build cmake-out -- -j $(nproc)
+WORKDIR /home/build/cpp-cmakefiles/cmake-out
+RUN cmake --build . --target install
+# ```
+
+## [END INSTALL.md]
+
+# Verify that the installed files are actually usable
+RUN /home/build/cpp-cmakefiles/ci/test-install/compile-test-projects.sh

third_party/cpp/googleapis/ci/kokoro/install/Dockerfile.opensuse-tumbleweed

@@ -0,0 +1,54 @@
+# Copyright 2018 Google LLC
+#
+# 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 opensuse/tumbleweed:latest AS devtools
+
+## [START INSTALL.md]
+
+# Install the minimal development tools:
+
+# ```bash
+RUN zypper refresh && \
+    zypper install --allow-downgrade -y cmake gcc gcc-c++ git gzip \
+        libcurl-devel libopenssl-devel make tar wget zlib-devel
+# ```
+
+# OpenSUSE:tumbleweed provides packages for gRPC, libcurl, and protobuf, and the
+# versions of these packages are recent enough to support the Google Cloud
+# Platform proto files.
+
+# ```bash
+RUN zypper refresh && \
+    zypper install -y grpc-devel gzip libcurl-devel tar wget
+# ```
+
+FROM devtools AS install
+
+# #### googleapis
+
+# We can now compile and install `googleapis`.
+
+# ```bash
+WORKDIR /home/build/cpp-cmakefiles
+COPY . /home/build/cpp-cmakefiles
+RUN cmake -H. -Bcmake-out
+RUN cmake --build cmake-out -- -j $(nproc)
+WORKDIR /home/build/cpp-cmakefiles/cmake-out
+RUN cmake --build . --target install
+# ```
+
+## [END INSTALL.md]
+
+# Verify that the installed files are actually usable
+RUN /home/build/cpp-cmakefiles/ci/test-install/compile-test-projects.sh

third_party/cpp/googleapis/ci/kokoro/install/Dockerfile.ubuntu-16.04

@@ -0,0 +1,100 @@
+# Copyright 2018 Google LLC
+#
+# 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 ubuntu:16.04 AS devtools
+
+# Please keep the formatting in these commands, it is optimized to cut & paste
+# into the README.md file.
+
+## [START INSTALL.md]
+
+# Install the minimal development tools:
+
+# ```bash
+RUN apt update && \
+    apt install -y automake build-essential cmake git gcc g++ cmake \
+        libcurl4-openssl-dev libssl-dev libtool make pkg-config tar wget \
+        zlib1g-dev
+# ```
+
+# #### c-ares
+
+# Recent versions of gRPC require c-ares >= 1.11, while Ubuntu-16.04
+# distributes c-ares-1.10. We can manually install a newer version
+# of c-ares:
+
+# ```bash
+WORKDIR /var/tmp/build
+RUN wget -q https://github.com/c-ares/c-ares/archive/cares-1_15_0.tar.gz
+RUN tar -xf cares-1_15_0.tar.gz
+WORKDIR /var/tmp/build/c-ares-cares-1_15_0
+RUN ./buildconf && ./configure && make -j $(nproc)
+RUN make install
+RUN ldconfig
+# ```
+
+# #### Protobuf
+
+# While protobuf-3.0 is distributed with Ubuntu, the Google Cloud Plaform proto
+# files require more recent versions (circa 3.4.x). To manually install a more
+# recent version use:
+
+# ```bash
+WORKDIR /var/tmp/build
+RUN wget -q https://github.com/google/protobuf/archive/v3.9.0.tar.gz
+RUN tar -xf v3.9.0.tar.gz
+WORKDIR /var/tmp/build/protobuf-3.9.0/cmake
+RUN cmake \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DBUILD_SHARED_LIBS=yes \
+        -Dprotobuf_BUILD_TESTS=OFF \
+        -H. -Bcmake-out
+RUN cmake --build cmake-out --target install -- -j $(nproc)
+RUN ldconfig
+# ```
+
+# #### gRPC
+
+# Likewise, Ubuntu has packages for grpc-1.3.x, but this version is too old for
+# the Google Cloud Platform APIs:
+
+# ```bash
+WORKDIR /var/tmp/build
+RUN wget -q https://github.com/grpc/grpc/archive/v1.22.0.tar.gz
+RUN tar -xf v1.22.0.tar.gz
+WORKDIR /var/tmp/build/grpc-1.22.0
+RUN make -j $(nproc)
+RUN make install
+RUN ldconfig
+# ```
+
+FROM devtools AS install
+
+# #### googleapis
+
+# Finally we can install `googleapis`.
+
+# ```bash
+WORKDIR /home/build/cpp-cmakefiles
+COPY . /home/build/cpp-cmakefiles
+RUN cmake -H. -Bcmake-out
+RUN cmake --build cmake-out -- -j $(nproc)
+WORKDIR /home/build/cpp-cmakefiles/cmake-out
+RUN cmake --build . --target install
+# ```
+
+## [END INSTALL.md]
+
+# Verify that the installed files are actually usable
+RUN /home/build/cpp-cmakefiles/ci/test-install/compile-test-projects.sh

third_party/cpp/googleapis/ci/kokoro/install/Dockerfile.ubuntu-18.04

@@ -0,0 +1,84 @@
+# Copyright 2018 Google LLC
+#
+# 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 ubuntu:18.04 AS devtools
+
+# Please keep the formatting in these commands, it is optimized to cut & paste
+# into the README.md file.
+
+## [START INSTALL.md]
+
+# Install the minimal development tools:
+
+# ```bash
+RUN apt update && \
+    apt install -y build-essential cmake git gcc g++ cmake \
+        libc-ares-dev libc-ares2 libcurl4-openssl-dev libssl-dev make \
+        pkg-config tar wget zlib1g-dev
+# ```
+
+# #### Protobuf
+
+# While protobuf-3.0 is distributed with Ubuntu, the Google Cloud Plaform proto
+# files require more recent versions (circa 3.4.x). To manually install a more
+# recent version use:
+
+# ```bash
+WORKDIR /var/tmp/build
+RUN wget -q https://github.com/google/protobuf/archive/v3.9.0.tar.gz
+RUN tar -xf v3.9.0.tar.gz
+WORKDIR /var/tmp/build/protobuf-3.9.0/cmake
+RUN cmake \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DBUILD_SHARED_LIBS=yes \
+        -Dprotobuf_BUILD_TESTS=OFF \
+        -H. -Bcmake-out
+RUN cmake --build cmake-out --target install -- -j $(nproc)
+RUN ldconfig
+# ```
+
+# #### gRPC
+
+# Likewise, Ubuntu has packages for grpc-1.3.x, but this version is too old for
+# the Google Cloud Platform APIs:
+
+# ```bash
+WORKDIR /var/tmp/build
+RUN wget -q https://github.com/grpc/grpc/archive/v1.22.0.tar.gz
+RUN tar -xf v1.22.0.tar.gz
+WORKDIR /var/tmp/build/grpc-1.22.0
+RUN make -j $(nproc)
+RUN make install
+RUN ldconfig
+# ```
+
+FROM devtools AS install
+
+# #### googleapis
+
+# Finally we can install `googleapis`.
+
+# ```bash
+WORKDIR /home/build/cpp-cmakefiles
+COPY . /home/build/cpp-cmakefiles
+RUN cmake -H. -Bcmake-out
+RUN cmake --build cmake-out -- -j $(nproc)
+WORKDIR /home/build/cpp-cmakefiles/cmake-out
+RUN cmake --build . --target install
+# ```
+
+## [END INSTALL.md]
+
+# Verify that the installed files are actually usable
+RUN /home/build/cpp-cmakefiles/ci/test-install/compile-test-projects.sh

third_party/cpp/googleapis/ci/kokoro/install/build.sh

@@ -0,0 +1,106 @@
+#!/usr/bin/env bash
+#
+# Copyright 2019 Google LLC
+#
+# 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.
+
+set -eu
+
+if [[ $# -eq 1 ]]; then
+  export TEST_TARGET="${1}"
+elif [[ -n "${KOKORO_JOB_NAME:-}" ]]; then
+  # Kokoro injects the KOKORO_JOB_NAME environment variable, the value of this
+  # variable is cloud-cpp/spanner/<config-file-name-without-cfg> (or more
+  # generally <path/to/config-file-without-cfg>). By convention we name these
+  # files `$foo.cfg` for continuous builds and `$foo-presubmit.cfg` for
+  # presubmit builds. Here we extract the value of "foo" and use it as the build
+  # name.
+  TEST_TARGET="$(basename "${KOKORO_JOB_NAME}" "-presubmit")"
+  export TEST_TARGET
+else
+  echo "Aborting build as the distribution name is not defined."
+  echo "If you are invoking this script via the command line use:"
+  echo "    $0 <distro-name>"
+  echo
+  echo "If this script is invoked by Kokoro, the CI system is expected to set"
+  echo "the KOKORO_JOB_NAME environment variable."
+  exit 1
+fi
+
+echo "================================================================"
+echo "Change working directory to project root $(date)."
+cd "$(dirname "$0")/../../.."
+
+if [[ -z "${PROJECT_ID+x}" ]]; then
+  readonly PROJECT_ID="cloud-devrel-kokoro-resources"
+fi
+
+readonly DEV_IMAGE="gcr.io/${PROJECT_ID}/cpp-cmakefiles/test-install-dev-${TEST_TARGET}"
+readonly IMAGE="gcr.io/${PROJECT_ID}/cpp-cmakefiles/test-install-${TEST_TARGET}"
+
+has_cache="false"
+
+# We download the cached dev image for pull requests on kokoro. For continuous
+# jobs, we don't download the cached image. This means we build from scratch and
+# upload the image for future builds for pull requests.
+if [[ -n "${KOKORO_JOB_NAME:-}" ]] \
+  && [[ -n "${KOKORO_GITHUB_PULL_REQUEST_NUMBER:-}" ]]; then
+  echo "================================================================"
+  echo "Download existing image (if available) for ${TEST_TARGET} $(date)."
+  if docker pull "${DEV_IMAGE}:latest"; then
+    echo "Existing image successfully downloaded."
+    has_cache="true"
+  fi
+  echo "================================================================"
+fi
+
+echo "================================================================"
+echo "Build base image with minimal development tools for ${TEST_TARGET} $(date)."
+update_cache="false"
+
+devtools_flags=(
+  # Only build up to the stage that installs the minimal development tools, but
+  # does not compile any of our code.
+  "--target" "devtools"
+  # Create the image with the same tag as the cache we are using, so we can
+  # upload it.
+  "-t" "${DEV_IMAGE}:latest"
+  "-f" "ci/kokoro/install/Dockerfile.${TEST_TARGET}"
+)
+
+if "${has_cache}"; then
+  devtools_flags+=("--cache-from=${DEV_IMAGE}:latest")
+fi
+
+echo "Running docker build with " "${devtools_flags[@]}"
+if docker build "${devtools_flags[@]}" ci; then
+   update_cache="true"
+fi
+
+# We upload the cached image for continuous builds.
+if "${update_cache}" && [[ -z "${KOKORO_GITHUB_PULL_REQUEST_NUMBER:-}" ]] \
+  && [[ -n "${KOKORO_JOB_NAME:-}" ]]; then
+  echo "================================================================"
+  echo "Uploading updated base image for ${TEST_TARGET} $(date)."
+  # Do not stop the build on a failure to update the cache.
+  docker push "${DEV_IMAGE}:latest" || true
+fi
+
+echo "================================================================"
+echo "Run validation script for INSTALL instructions on ${TEST_TARGET}."
+docker build \
+  "--cache-from=${DEV_IMAGE}:latest" \
+  "--target=install" \
+  -t "${IMAGE}" \
+  -f "ci/kokoro/install/Dockerfile.${TEST_TARGET}" .
+echo "================================================================"

third_party/cpp/googleapis/ci/kokoro/install/common.cfg

@@ -0,0 +1,17 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+# Copyright 2019 Google LLC
+#
+# 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.
+
+build_file: "cpp-cmakefiles/ci/kokoro/install/build.sh"
+timeout_mins: 120