Add opt-in integration with Gradle's build scans

Author: wilkinsona

build.gradle

@@ -14,13 +14,26 @@ plugins {
 	id 'base'
 	id 'project-report'
 	id 'idea'
+	id 'com.gradle.build-scan' version '2.4.2'
 	id 'org.sonarqube' version '2.7.1'
 	id 'org.asciidoctor.convert' version '1.6.1'
 	id 'org.ajoberstar.grgit' version '3.1.1'
 	id 'io.spring.nohttp' version '0.0.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.8.RELEASE' apply false
 }
 
+if (System.getenv('GRADLE_ENTERPRISE_URL')) {
+	apply from: "$rootDir/gradle/build-scan-user-data.gradle"
+	buildScan {
+		captureTaskInputFiles = true
+		obfuscation {
+			ipAddresses { addresses -> addresses.collect { address -> '0.0.0.0'} }
+		}
+		publishAlways()
+		server = System.getenv('GRADLE_ENTERPRISE_URL')
+	}
+}
+
 apply plugin: 'io.spring.nohttp'
 
 description = 'Spring Kafka'

gradle/build-scan-user-data.gradle

@@ -0,0 +1,90 @@
+tagOs()
+tagIde()
+tagCiOrLocal()
+addCiMetadata()
+addGitMetadata()
+addTestTaskMetadata()
+
+void tagOs() {
+	buildScan.tag System.getProperty('os.name')
+}
+
+void tagIde() {
+	if (System.getProperty('idea.version')) {
+		buildScan.tag 'IntelliJ IDEA'
+	} else if (System.getProperty('eclipse.buildId')) {
+		buildScan.tag 'Eclipse'
+	}
+}
+
+void tagCiOrLocal() {
+	buildScan.tag(isCi() ? 'CI' : 'LOCAL')
+}
+
+void addGitMetadata() {
+	buildScan.background {
+		def gitCommitId = execAndGetStdout('git', 'rev-parse', '--short=8', '--verify', 'HEAD')
+		def gitBranchName = execAndGetStdout('git', 'rev-parse', '--abbrev-ref', 'HEAD')
+		def gitStatus = execAndGetStdout('git', 'status', '--porcelain')
+
+		if(gitCommitId) {
+			def commitIdLabel = 'Git Commit ID'
+			value commitIdLabel, gitCommitId
+			link 'Git commit build scans', customValueSearchUrl([(commitIdLabel): gitCommitId])
+		}
+		if (gitBranchName) {
+			tag gitBranchName
+			value 'Git branch', gitBranchName
+		}
+		if (gitStatus) {
+			tag 'dirty'
+			value 'Git status', gitStatus
+		}
+	}
+}
+
+void addCiMetadata() {
+	def ciBuild = 'CI BUILD'
+	if (isBamboo()) {
+		buildScan.link ciBuild, System.getenv('bamboo_resultsUrl')
+	}
+}
+
+void addTestTaskMetadata() {
+	allprojects {
+		tasks.withType(Test) { test ->
+			doFirst {
+				buildScan.value "Test#maxParallelForks[${test.path}]", test.maxParallelForks.toString()
+			}
+		}
+	}
+}
+
+boolean isCi() {
+	isBamboo()
+}
+
+boolean isBamboo() {
+	System.getenv('bamboo_resultsUrl')
+}
+
+String execAndGetStdout(String... args) {
+	def stdout = new ByteArrayOutputStream()
+	exec {
+		commandLine(args)
+		standardOutput = stdout
+	}
+	return stdout.toString().trim()
+}
+
+String customValueSearchUrl(Map<String, String> search) {
+	def query = search.collect { name, value ->
+		"search.names=${encodeURL(name)}&search.values=${encodeURL(value)}"
+	}.join('&')
+
+	"$buildScan.server/scans?$query"
+}
+
+String encodeURL(String url) {
+	URLEncoder.encode(url, 'UTF-8')
+}