Rewrite the sanity check script

tools/distrib/check_boringssl_prefix_symbol.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+# Copyright 2018 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.
+
+
+# Check if the current BoringSSL version's corresponding prefix header is uploaded to GCS.
+set -e
+
+cd "$(dirname $0)"
+cd ../../third_party/boringssl
+
+BORINGSSL_COMMIT=$(git rev-parse HEAD)
+
+curl -f -L https://storage.googleapis.com/grpc_boringssl_prefix_headers/boringssl_prefix_symbols-$BORINGSSL_COMMIT.h > /dev/null
+
+[ $? == 0 ] || { echo "Cannot find prefix header of current BoringSSL commit ($BORINGSSL_COMMIT) on GCS." ; echo "Generate with tools/distrib/upgrade_boringssl_objc.sh" ; exit 1 ; }
+
+exit 0

tools/distrib/check_shadow_boringssl_symbol_list.sh

@@ -1,32 +0,0 @@
-#!/bin/bash
-# Copyright 2018 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.
-
-
-# Check if the commit version of BoringSSL podspec, BoringSSL submodule, and
-# the shadowed symbol list are all based on the same BoringSSL commit.
-set -e
-
-cd $(dirname $0)
-
-boringssl_podspec_original="../../src/objective-c/BoringSSL-GRPC.podspec"
-symbol_list="../../src/objective-c/grpc_shadow_boringssl_symbol_list"
-
-# Check BoringSSL version matches
-ver1=$(git submodule |grep "boringssl " | awk '{print $1}' | head -n 1)
-ver2=$(cat $boringssl_podspec_original | grep ':commit =>' | sed -E 's/.*"(.*)".*/\1/g')
-ver3=$(cat $symbol_list | sed -n '2 p')
-[ $ver1 == $ver2 ] && [ $ver1 == $ver3 ] || { echo "BoringSSL submodule (third_party/boringssl), BoringSSL podspec (src/objective-c/BoringSSL.podspec), and BoringSSL symbol list (src/objective-c/grpc_shadow_boringssl_symbol_list) commit do not match." ; echo "BoringSSL submodule: $ver1" ; echo "BoringSSL podspec: $ver2" ;  echo "BoringSSL symbol list: $ver3" ; exit 1 ; }
-
-exit 0

tools/run_tests/sanity/sanity_tests.yaml

@@ -26,4 +26,4 @@
 - script: tools/distrib/yapf_code.sh
   cpu_cost: 1000
 - script: tools/distrib/check_protobuf_pod_version.sh
-- script: tools/distrib/check_shadow_boringssl_symbol_list.sh
+- script: tools/distrib/check_boringssl_prefix_symbol.sh