CI integration

tools/internal_ci/helper_scripts/prepare_build_macos_rc

@@ -39,11 +39,17 @@ pip install google-api-python-client==1.6.7 --user python
 export GOOGLE_APPLICATION_CREDENTIALS=${KOKORO_GFILE_DIR}/GrpcTesting-d0eeee2db331.json
 
 # If this is a PR using RUN_TESTS_FLAGS var, then add flags to filter tests
-if [ -n "$KOKORO_GITHUB_PULL_REQUEST_NUMBER" ] && [ -n "$RUN_TESTS_FLAGS" ]; then
+if [ -n "$KOKORO_GITHUB_PULL_REQUEST_NUMBER" ]; then
+  set +x
   brew update
   brew install jq
   ghprbTargetBranch=$(curl -s https://api.github.com/repos/grpc/grpc/pulls/$KOKORO_GITHUB_PULL_REQUEST_NUMBER | jq -r .base.ref)
   export RUN_TESTS_FLAGS="$RUN_TESTS_FLAGS --filter_pr_tests --base_branch origin/$ghprbTargetBranch"
+
+  # TODO(matt-kwong): rename this to GITHUB_OAUTH_TOKEN after Jenkins deprecation
+  export JENKINS_OAUTH_TOKEN=$(cat ${KOKORO_GFILE_DIR}/oauth_token.txt)
+  export ghprbPullId=$KOKORO_GITHUB_PULL_REQUEST_NUMBER
+  set -x
 fi
 
 set +ex  # rvm script is very verbose and exits with errorcode

tools/internal_ci/macos/grpc_ios_binary_size.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env 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.
+#
+# This script is invoked by Jenkins and runs a diff on the microbenchmarks
+set -ex
+
+# List of benchmarks that provide good signal for analyzing performance changes in pull requests
+
+# Enter the gRPC repo root
+cd $(dirname $0)/../../..
+
+source tools/internal_ci/helper_scripts/prepare_build_macos_rc
+
+tools/profiling/ios_bin/binary_size.py \
+  -d origin/$ghprbTargetBranch || FAILED="true"
+
+if [ "$FAILED" != "" ]
+then
+  exit 1
+fi

tools/internal_ci/macos/pull_request/grpc_ios_binary_size.cfg

@@ -0,0 +1,26 @@
+# 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.
+
+# Config file for the internal CI (in protobuf text format)
+
+# Location of the continuous shell script in repository.
+build_file: "grpc/tools/internal_ci/macos/grpc_ios_binary_size.sh"
+timeout_mins: 60
+gfile_resources: "/bigstore/grpc-testing-secrets/github_credentials/oauth_token.txt"
+action {
+  define_artifacts {
+    regex: "**/*sponge_log.xml"
+    regex: "github/grpc/reports/**"
+  }
+}

tools/profiling/ios_bin/binary_size.py

@@ -28,6 +28,9 @@ sys.path.append(
         os.path.dirname(sys.argv[0]), '..', '..', 'run_tests', 'python_utils'))
 import comment_on_pr
 
+# Only show diff 1KB or greater
+diff_threshold = 1000
+
 size_labels = ('Core', 'ObjC', 'BoringSSL', 'Protobuf', 'Total')
 
 argp = argparse.ArgumentParser(
@@ -104,22 +107,39 @@ for frameworks in [False, True]:
             subprocess.check_call(['git', 'checkout', where_am_i])
             subprocess.check_call(['git', 'submodule', 'update'])
 
-    text += ('****************FRAMEWORKS*****************\n'
-             if frameworks else '******************STATIC*******************\n')
+    text += ('***************FRAMEWORKS****************\n'
+             if frameworks else '*****************STATIC******************\n')
     row_format = "{:>10}{:>15}{:>15}" + '\n'
     text += row_format.format('New size', '', 'Old size')
-    for i in range(0, len(size_labels)):
-        if old_size == None:
-            diff_sign = ' '
-        elif new_size[i] == old_size[i]:
-            diff_sign = ' (=)'
-        elif new_size[i] > old_size[i]:
+    if old_size == None:
+        for i in range(0, len(size_labels)):
+            text += ('\n' if i == len(size_labels) - 1 else '') + row_format.format(
+                '{:,}'.format(new_size[i]), size_labels[i], '')
+    else:
+        has_diff = False
+        for i in range(0, len(size_labels) - 1):
+            if abs(new_size[i] - old_size[i]) < diff_threshold:
+                continue
+            if new_size[i] > old_size[i]:
+                diff_sign = ' (>)'
+            else:
+                diff_sign = ' (<)'
+            has_diff = True
+            text += row_format.format(
+                '{:,}'.format(new_size[i]), size_labels[i] + diff_sign,
+                '{:,}'.format(old_size[i]))
+        i = len(size_labels) - 1
+        if new_size[i] > old_size[i]:
             diff_sign = ' (>)'
-        else:
+        elif new_size[i] < old_size[i]:
             diff_sign = ' (<)'
-        text += ('\n' if i == len(size_labels) - 1 else '') + row_format.format(
+        else:
+            diff_sign = ' (=)'
+        text += ('\n' if has_diff else '') + row_format.format(
             '{:,}'.format(new_size[i]), size_labels[i] + diff_sign,
-            '{:,}'.format(old_size[i]) if old_size != None else '')
+            '{:,}'.format(old_size[i]))
+        if not has_diff:
+            text += '\n No significant differences in binary sizes\n'
     text += '\n'
 
 print text