Add bazel distribtests (minimalist version that only tests with bazel 3.x and 4.x) (#27486)

* Make repo globally buildable

* Add initial distrib test script

* Add test script

* Support multiple versions

* Split out a separate latest version test

* Integrate with kokoro

* make tools/bazel version overridable

* added simplified test_single_bazel_version.sh

* cleanup .bazelignore

* only test 3.x and 4.x

* always test all the bazel versions

* revert unnecessary changes

* revert unnecessary changes

* fix shellcheck error

Co-authored-by: Richard Belleville <rbellevi@google.com>

.bazelignore

@@ -6,12 +6,22 @@ bins
 libs
 objs
 third_party/abseil-cpp
+third_party/benchmark
+third_party/boringssl
 third_party/bloaty
 third_party/boringssl-with-bazel
+third_party/envoy-api
 third_party/googleapis
 third_party/googletest
 third_party/opencensus-proto
 third_party/protobuf
 third_party/protoc-gen-validate
+third_party/re2
 third_party/udpa
 third_party/upb
+
+bazel/test/python_test_repo
+
+# Directories generated by setuptools build containing BUILD files.
+src/python/grpcio_tests/src/
+tools/distrib/python/grpcio_tools/grpc_root/

test/distrib/bazel/run_bazel_distrib_test.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# Copyright 2021 The gRPC authors.
+#
+# 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 -ex
+
+cd "$(dirname "$0")"
+
+# TODO(jtattermusch): make build work with bazel 2.2.0 and bazel 1.2.1 if that's reasonably simple.
+SUPPORTED_VERSIONS=(
+  "3.7.2"
+  "4.0.0"
+)
+
+FAILED_VERSIONS=""
+for VERSION in "${SUPPORTED_VERSIONS[@]}"; do
+    echo "Running bazel distribtest with bazel version ${VERSION}"
+    ./test_single_bazel_version.sh "${VERSION}" || FAILED_VERSIONS="${FAILED_VERSIONS}${VERSION} "
+done
+
+if [ "$FAILED_VERSIONS" != "" ]
+then
+  echo "Bazel distribtest failed: Failed to build with bazel versions ${FAILED_VERSIONS}"
+  exit 1
+fi

test/distrib/bazel/test_latest_bazel_version.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+# Copyright 2021 The gRPC authors.
+#
+# 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 -ex
+
+cd "$(dirname "$0")"
+
+GITHUB_URL="https://github.com"
+REPO="bazelbuild/bazel"
+
+VERSION=$(curl -Ls "${GITHUB_URL}/${REPO}/releases/latest" | \
+          grep "href=.*\.tar.gz" | \
+          grep -o "[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*")
+
+./test_single_bazel_version.sh "$VERSION"

test/distrib/bazel/test_single_bazel_version.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+# Copyright 2021 The gRPC authors.
+#
+# 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 -ex
+
+if [ "$#" != "1" ] ; then
+    echo "Must supply bazel version to be tested." >/dev/stderr
+    exit 1
+fi
+
+VERSION="$1"
+
+cd "$(dirname "$0")"/../../..
+
+EXCLUDED_TARGETS=(
+  # iOS platform fails the analysis phase since there is no toolchain available
+  # for it.
+  "-//src/objective-c/..."
+  "-//third_party/objective_c/..."
+
+  # This could be a legitmate failure due to bitrot.
+  "-//src/proto/grpc/testing:test_gen_proto"
+
+  # This appears to be a legitimately broken BUILD file. There's a reference to
+  # a non-existent "link_dynamic_library.sh".
+  "-//third_party/toolchains/bazel_0.26.0_rbe_windows:all"
+
+  # TODO(jtattermusch): add back once fixed
+  "-//examples/android/binder/..."
+)
+
+export OVERRIDE_BAZEL_VERSION="$VERSION"
+bazel build -- //... "${EXCLUDED_TARGETS[@]}"

tools/bazel

@@ -42,7 +42,7 @@ fi
 
 # IMPORTANT: if you update the version here, other parts of infrastructure might needs updating as well
 # (e.g. win RBE builds, sanity checks, bazel toolchains etc.)
-VERSION=4.2.1
+VERSION=${OVERRIDE_BAZEL_VERSION:-4.2.1}
 echo "INFO: Running bazel wrapper (see //tools/bazel for details), bazel version $VERSION will be used instead of system-wide bazel installation." >&2
 
 # update tools/update_mirror.sh to populate the mirror with new bazel archives

tools/internal_ci/linux/grpc_bazel_distribtest.cfg

@@ -0,0 +1,26 @@
+# Copyright 2017 gRPC authors.
+#
+# 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.
+
+# Config file for the internal CI (in protobuf text format)
+
+# Location of the continuous shell script in repository.
+build_file: "grpc/tools/internal_ci/linux/grpc_bazel_distribtest.sh"
+timeout_mins: 120
+action {
+  define_artifacts {
+    regex: "**/*sponge_log.*"
+    regex: "github/grpc/reports/**"
+    regex: "github/grpc/artifacts/**"
+  }
+}

tools/internal_ci/linux/grpc_bazel_distribtest.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+# Copyright 2021 The gRPC authors.
+#
+# 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 portability tests with an updated submodule
+
+set -ex
+
+# change to grpc repo root
+cd $(dirname $0)/../../..
+
+source tools/internal_ci/helper_scripts/prepare_build_linux_rc
+
+./test/distrib/bazel/run_bazel_distrib_test.sh

tools/internal_ci/linux/grpc_bazel_distribtest_latest.cfg

@@ -0,0 +1,26 @@
+# Copyright 2021 The gRPC authors.
+#
+# 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.
+
+# Config file for the internal CI (in protobuf text format)
+
+# Location of the continuous shell script in repository.
+build_file: "tools/internal_ci/linux/grpc_bazel_distribtest_latest.sh"
+timeout_mins: 120
+action {
+  define_artifacts {
+    regex: "**/*sponge_log.*"
+    regex: "github/grpc/reports/**"
+    regex: "github/grpc/artifacts/**"
+  }
+}

tools/internal_ci/linux/grpc_bazel_distribtest_latest.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+# Copyright 2021 The gRPC authors.
+#
+# 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 portability tests with an updated submodule
+
+set -ex
+
+# change to grpc repo root
+cd $(dirname $0)/../../..
+
+source tools/internal_ci/helper_scripts/prepare_build_linux_rc
+
+./test/distrib/bazel/test_latest_bazel_version.sh