From 3c91a6529b73cbf30f097d0f9860e441b7ddf8f6 Mon Sep 17 00:00:00 2001
From: Tomo Suzuki <suztomo@gmail.com>
Date: Fri, 14 Jun 2019 16:03:17 -0400
Subject: [PATCH] Add Linkage Monitor presubmit check (#719)

* Linkage Monitor

* 2019

* empty commit to trigger Kokoro

* 755 permission
---
 .kokoro/linkage-monitor.sh            | 34 +++++++++++++++++++++++++++
 .kokoro/presubmit/linkage-monitor.cfg | 15 ++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100755 .kokoro/linkage-monitor.sh
 create mode 100644 .kokoro/presubmit/linkage-monitor.cfg

diff --git a/.kokoro/linkage-monitor.sh b/.kokoro/linkage-monitor.sh
new file mode 100755
index 000000000..c7ad10cc3
--- /dev/null
+++ b/.kokoro/linkage-monitor.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+# Copyright 2019 Google Inc.
+#
+# 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 -eo pipefail
+
+cd github/google-http-java-client/
+
+# Print out Java
+java -version
+echo $JOB_TYPE
+
+export MAVEN_OPTS="-Xmx1024m -XX:MaxPermSize=128m"
+
+# Installs snapshot artifacts locally. Linkage Monitor uses them.
+mvn install -DskipTests=true -B -V
+
+# Kokoro job cloud-opensource-java/ubuntu/linkage-monitor-gcs creates this JAR
+JAR=linkage-monitor-latest-all-deps.jar
+curl -v -O "https://storage.googleapis.com/cloud-opensource-java-linkage-monitor/${JAR}"
+
+# Fails if there's new linkage errors compared with baseline
+java -jar $JAR com.google.cloud:libraries-bom
diff --git a/.kokoro/presubmit/linkage-monitor.cfg b/.kokoro/presubmit/linkage-monitor.cfg
new file mode 100644
index 000000000..b8e1a21e1
--- /dev/null
+++ b/.kokoro/presubmit/linkage-monitor.cfg
@@ -0,0 +1,15 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Linkage Monitor notifies new linkage errors as Kokoro presubmit check
+# https://github.com/GoogleCloudPlatform/cloud-opensource-java/tree/master/linkage-monitor
+
+# Configure the docker image for kokoro-trampoline.
+env_vars: {
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+}
+
+env_vars: {
+  key: "TRAMPOLINE_BUILD_FILE"
+  value: "github/google-http-java-client/.kokoro/linkage-monitor.sh"
+}