Enable Spotless for .test-infra/jenkins/*.groovy files

.test-infra/jenkins/build.gradle

@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+plugins {
+  id 'org.apache.beam.module'
+}
+applyGroovyNature()

.test-infra/jenkins/job_PreCommit_Spotless.groovy

@@ -28,6 +28,7 @@ PrecommitJobBuilder builder = new PrecommitJobBuilder(
       '^runners/.*$',
       '^examples/java/.*$',
       '^examples/kotlin/.*$',
+      '^.test-infra/jenkins/.*$',
     ]
 )
 builder.build()

buildSrc/greclipse.properties

@@ -18,4 +18,4 @@
 org.eclipse.jdt.core.formatter.tabulation.char=space
 org.eclipse.jdt.core.formatter.tabulation.size=2
 org.eclipse.jdt.core.formatter.indent_empty_lines=false
-groovy.formatter.multiline.indentation=4
+groovy.formatter.multiline.indentation=2

buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy

@@ -1490,12 +1490,14 @@ class BeamModulePlugin implements Plugin<Project> {
       project.apply plugin: "groovy"
 
       project.apply plugin: "com.diffplug.gradle.spotless"
+      def disableSpotlessCheck = project.hasProperty('disableSpotlessCheck') &&
+              project.disableSpotlessCheck == 'true'
       project.spotless {
+        enforceCheck !disableSpotlessCheck
         def grEclipseConfig = project.project(":").file("buildSrc/greclipse.properties")
         groovy {
-          licenseHeader javaLicenseHeader
-          paddedCell() // Recommended to avoid cyclic ambiguity issues
           greclipse().configFile(grEclipseConfig)
+          target project.fileTree(project.projectDir) { include '**/*.groovy' }
         }
         groovyGradle { greclipse().configFile(grEclipseConfig) }
       }

settings.gradle

@@ -176,3 +176,5 @@ include "beam-test-infra-metrics"
 project(":beam-test-infra-metrics").dir = file(".test-infra/metrics")
 include "beam-test-tools"
 project(":beam-test-tools").dir = file(".test-infra/tools")
+include "beam-test-jenkins"
+project(":beam-test-jenkins").dir = file(".test-infra/jenkins")