Merge pull request #12658 from matt-kwong/line-count

Add line count job to Kokoro

tools/internal_ci/linux/grpc_line_count.cfg

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+# 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_line_count.sh"
+timeout_mins: 30

tools/internal_ci/linux/grpc_line_count.sh

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+#!/usr/bin/env bash
+# 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.
+#
+# This script counts the numbers of line in gRPC's repo and uploads to BQ
+set -ex
+
+# Enter the gRPC repo root
+cd $(dirname $0)/../../..
+
+git submodule update --init
+
+# Install cloc
+git clone -b v1.72 https://github.com/AlDanial/cloc/ ~/cloc
+PERL_MM_USE_DEFAULT=1 sudo perl -MCPAN -e 'install Regexp::Common; install Algorithm::Diff'
+sudo make install -C ~/cloc/Unix
+
+./tools/line_count/collect-now.sh