build(java): run linkage monitor as GitHub action

Source-Author: Tomo Suzuki <[email protected]>
Source-Date: Tue Feb 2 16:20:26 2021 -0500
Source-Repo: googleapis/synthtool
Source-Sha: e935c9ecb47da0f2e054f5f1845f7cf7c95fa625
Source-Link: googleapis/synthtool@e935c9e

Author: yoshi-automation

.github/workflows/ci.yaml

@@ -54,7 +54,18 @@ jobs:
       with:
         java-version: 8
     - run: java -version
-    - run: .kokoro/linkage-monitor.sh
+    - name: Install artifacts to local Maven repository
+      run: |
+        source .kokoro/common.sh
+        retry_with_backoff 3 10 \
+            mvn install -B -V \
+                -Dmaven.test.skip -DskipTests=true \
+                -Dclirr.skip=true \
+                -Denforcer.skip=true \
+                -Dmaven.javadoc.skip=true \
+                -Dgcloud.download.skip=true
+      shell: bash
+    - uses: GoogleCloudPlatform/cloud-opensource-java/linkage-monitor@v1-linkagemonitor
   lint:
     runs-on: ubuntu-latest
     steps:

.kokoro/linkage-monitor.sh

@@ -11,7 +11,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "5de29e9434b63ea6d7e46dc348521c62969af1a1"
+        "sha": "e935c9ecb47da0f2e054f5f1845f7cf7c95fa625"
       }
     }
   ],
@@ -40,7 +40,6 @@
     ".kokoro/continuous/java8.cfg",
     ".kokoro/continuous/readme.cfg",
     ".kokoro/dependencies.sh",
-    ".kokoro/linkage-monitor.sh",
     ".kokoro/nightly/common.cfg",
     ".kokoro/nightly/integration.cfg",
     ".kokoro/nightly/java11.cfg",