improve cfg files and sh script

tools/internal_ci/macos/grpc_bazel_c_cpp_dbg.cfg

@@ -16,7 +16,26 @@
 
 # Location of the continuous shell script in repository.
 build_file: "grpc/tools/internal_ci/macos/grpc_run_bazel_c_cpp_tests.sh"
+timeout_mins: 90
+
+gfile_resources: "/bigstore/grpc-testing-secrets/gcp_credentials/GrpcTesting-d0eeee2db331.json"
+gfile_resources: "/bigstore/grpc-testing-secrets/gcp_credentials/resultstore_api_key"
+
+bazel_setting {
+  # In order for Kokoro to recognize this as a bazel build and publish the bazel resultstore link,
+  # the bazel_setting section needs to be present and "upsalite_frontend_address" needs to be
+  # set. The rest of configuration from bazel_setting is unused (we configure everything when bazel
+  # command is invoked).
+  upsalite_frontend_address: "https://source.cloud.google.com"
+}
+
+env_vars {
+  # flags will be passed to bazel invocation
+  key: "BAZEL_FLAGS"
+  value: "--cache_test_results=no --config=dbg"
+}
+
 env_vars {
-  key: "RUN_TESTS_FLAGS"
-  value: "--config=dbg"
+  key: "UPLOAD_TEST_RESULTS"
+  value: "true"
 }

tools/internal_ci/macos/grpc_bazel_c_cpp_opt.cfg

@@ -16,7 +16,26 @@
 
 # Location of the continuous shell script in repository.
 build_file: "grpc/tools/internal_ci/macos/grpc_run_bazel_c_cpp_tests.sh"
+timeout_mins: 90
+
+gfile_resources: "/bigstore/grpc-testing-secrets/gcp_credentials/GrpcTesting-d0eeee2db331.json"
+gfile_resources: "/bigstore/grpc-testing-secrets/gcp_credentials/resultstore_api_key"
+
+bazel_setting {
+  # In order for Kokoro to recognize this as a bazel build and publish the bazel resultstore link,
+  # the bazel_setting section needs to be present and "upsalite_frontend_address" needs to be
+  # set. The rest of configuration from bazel_setting is unused (we configure everything when bazel
+  # command is invoked).
+  upsalite_frontend_address: "https://source.cloud.google.com"
+}
+
+env_vars {
+  # flags will be passed to bazel invocation
+  key: "BAZEL_FLAGS"
+  value: "--cache_test_results=no --config=opt"
+}
+
 env_vars {
-  key: "RUN_TESTS_FLAGS"
-  value: "--config=opt"
+  key: "UPLOAD_TEST_RESULTS"
+  value: "true"
 }

tools/internal_ci/macos/grpc_run_bazel_c_cpp_tests.sh

@@ -18,13 +18,40 @@ set -ex
 # change to grpc repo root
 cd $(dirname $0)/../../..
 
+# TODO(jtattermusch): most of the prepare steps should not be needed for bazel
+source tools/internal_ci/helper_scripts/prepare_build_macos_rc
+
+# make sure bazel is available
+tools/bazel version
+
 ./tools/run_tests/start_port_server.py
 
+# to get "bazel" link for kokoro build, we need to generate
+# invocation UUID, set a flag for bazel to use it
+# and upload "bazel_invocation_ids" file as artifact.
+# NOTE: UUID needs to be in lowercase for the result link to work
+# (on mac "uuidgen" outputs uppercase UUID)
+BAZEL_INVOCATION_ID="$(uuidgen | tr '[:upper:]' '[:lower:]')"
+echo "${BAZEL_INVOCATION_ID}" >"${KOKORO_ARTIFACTS_DIR}/bazel_invocation_ids"
+
 # run all C/C++ tests
-# TODO(jtattermusch): try using Bazel RBE remote cache
-# TODO(jtattermusch): upload bazel test results to resultstore
-tools/bazel --bazelrc=tools/remote_build/mac.bazelrc test $RUN_TESTS_FLAGS //test/...
+tools/bazel \
+  --bazelrc=tools/remote_build/mac.bazelrc \
+  test \
+  --invocation_id="${BAZEL_INVOCATION_ID}" \
+  --workspace_status_command=tools/remote_build/workspace_status_kokoro.sh \
+  --google_credentials="${KOKORO_GFILE_DIR}/GrpcTesting-d0eeee2db331.json" \
+  $BAZEL_FLAGS \
+  -- //test/... || FAILED="true"
 
-# kill port_server.py to prevent the build from hanging
-ps aux | grep port_server\\.py | awk '{print $2}' | xargs kill -9
+if [ "$UPLOAD_TEST_RESULTS" != "" ]
+then
+  # Sleep to let ResultStore finish writing results before querying
+  sleep 60
+  python ./tools/run_tests/python_utils/upload_rbe_results.py
+fi
 
+if [ "$FAILED" != "" ]
+then
+  exit 1
+fi