[RelEng|Build] Unify identifier-matching and env-variable assignment

JenkinsJobs/Builds/build.jenkinsfile

@@ -53,22 +53,20 @@ pipeline {
 	stages {
 		stage('Set up environment') {
 			steps {
-				script { // Extend build configuration with data from the configuration file
-					def matcher = "$JOB_BASE_NAME" =~ '(?<type>[IY])-build-(?<major>\\d).(?<minor>\\d+)'
-					if (!matcher) {
-						error("Unsupported job: $JOB_BASE_NAME")
-					}
-					assignEnvVariable('BUILD_TYPE', matcher.group('type'))
+				script {
+					utilities = load 'JenkinsJobs/shared/utilities.groovy'
+
+					def job = utilities.matchPattern('Job name', "${JOB_BASE_NAME}", [ /(?<type>[IY])-build-(?<major>\d).(?<minor>\d+)/ ])
+					// Load build properties and configuration from the properties and configuration file
+					assignEnvVariable('BUILD_TYPE', job.type)
 					def configurations = readJSON(file: "${WORKSPACE}/JenkinsJobs/buildConfigurations.json")
 					BUILD = configurations["${BUILD_TYPE}"]
 					assignEnvVariable('BUILD_TYPE_NAME', BUILD.typeName)
 					assignEnvVariable('GIT_SUBMODULE_BRANCHES', BUILD.branches ? BUILD.branches.collect{ name, branch -> "${name}:${branch}" }.join(',') : '')
-					assignEnvVariable('TEST_NAME_PREFIX', "ep${matcher.group('major')}${matcher.group('minor')}${BUILD_TYPE}-unit")
+					assignEnvVariable('TEST_NAME_PREFIX', "ep${job.major}${job.minor}${BUILD_TYPE}-unit")
 					assignEnvVariable('TEST_CONFIGURATIONS_EXPECTED', BUILD.tests.collect{ c ->
 						"${TEST_NAME_PREFIX}-${c.os}-${c.arch}-java${c.javaVersion}_${c.os}.${c.ws}.${c.arch}_${c.javaVersion}"
 					}.join(','))
-
-					utilities = load 'JenkinsJobs/shared/utilities.groovy'
 				}
 				dir("${CJE_ROOT}") {
 					sh '''#!/bin/bash -xe
@@ -642,8 +640,7 @@ def utilities = null
 
 @NonCPS
 def assignEnvVariable(String name, String value) {
-	env[name] = value
-	println("${name}=${value}")
+	utilities.assignEnvVariable(name, value)
 }
 
 def exportPropertiesAsEnvironmentVariables(String propertiesFile, Collection<String> exportedVariables){

JenkinsJobs/Cleanup/cleanupReleaseArtifacts.jenkinsfile

@@ -45,9 +45,7 @@ pipeline {
 						def allReleases = allDrops.findAll{ d -> d.startsWith('R-')}.sort().reverse() // sort in descending order
 
 						def releaseVersions = allReleases.collectEntries{ release ->
-							def version = utilities.matchBuildIdentifier(release,
-								{ iBuild -> error "I-builds are not supprted: ${release}" },
-								{ rBuild -> return rBuild })
+							def version = utilities.matchBuildIdentifier(release, null, {})
 							return [ (release): [ 'version': version.label,
 								'major': version.major.toInteger(),
 								'minor': version.minor.toInteger(),

JenkinsJobs/Releng/prepareNextDevCycle.jenkinsfile

@@ -431,8 +431,7 @@ def githubAPI = null
 
 @NonCPS
 def assignEnvVariable(String name, Object value) {
-	env[name] = value?.toString()
-	println("${name}=${value}")
+	utilities.assignEnvVariable(name, value)
 }
 
 @NonCPS

JenkinsJobs/Releng/promoteBuild.jenkinsfile

@@ -428,6 +428,5 @@ def githubAPI = null
 
 @NonCPS
 def assignEnvVariable(String name, String value) {
-	env."${name}" = value
-	println("${name}=${value}")
+	utilities.assignEnvVariable(name, value)
 }

JenkinsJobs/Releng/publishPromotedBuild.jenkinsfile

@@ -7,7 +7,7 @@ Therefore, both jobs have to share a 'workspace', and the output of the first jo
 
 pipeline {
 	options {
-		skipDefaultCheckout()
+		checkoutToSubdirectory('git-repo')
 		timestamps()
 		timeout(time: 45, unit: 'MINUTES')
 		buildDiscarder(logRotator(numToKeepStr:'10'))
@@ -35,20 +35,20 @@ pipeline {
 		stage('Process Input') {
 			steps {
 				script {
+					// Always load the script from the very same state this pipeline is loaded (to ensure consistency)
+					utilities = load 'git-repo/JenkinsJobs/shared/utilities.groovy'
+
 					if (!params.releaseBuildID) {
 						error "Required parameter 'releaseBuildID' is not defined."
 					}
 					assignEnvVariable('RELEASE_BUILD_ID', params.releaseBuildID)
-					def idMatcher = env.RELEASE_BUILD_ID =~ /(?<type>[SR])-(?<major>\d+)\.(?<minor>\d+)(\.\d+)?(?<checkpoint>(M|RC)\d+[a-z]?)?-(?<date>\d{8})(?<time>\d{4})/
-					if (!idMatcher.matches()) {
-						error "releaseID: ${RELEASE_BUILD_ID}, does not match the expected pattern."
-					}
-					assignEnvVariable('RELEASE_TYPE', idMatcher.group('type'))
-					assignEnvVariable('RELEASE_VERSION_MAJOR', idMatcher.group('major'))
-					assignEnvVariable('RELEASE_VERSION_MINOR', idMatcher.group('minor'))
-					assignEnvVariable('CHECKPOINT', idMatcher.group('checkpoint') ?: 'GA')
-					def buildId = "I${idMatcher.group('date')}-${idMatcher.group('time')}"
-					idMatcher = null // release matcher as it's not serializable
+					def build = utilities.matchBuildIdentifier("${RELEASE_BUILD_ID}", null, {})
+
+					assignEnvVariable('RELEASE_TYPE', build.type)
+					assignEnvVariable('RELEASE_VERSION_MAJOR', build.major)
+					assignEnvVariable('RELEASE_VERSION_MINOR', build.minor)
+					assignEnvVariable('CHECKPOINT', build.checkpoint ?: 'GA')
+					def buildId = "I${build.date}-${build.time}"
 
 					if (env.RELEASE_TYPE == 'R') {
 						assignEnvVariable('REPOSITORY_PATH', "${RELEASE_VERSION_MAJOR}.${RELEASE_VERSION_MINOR}/${RELEASE_BUILD_ID}")
@@ -175,8 +175,10 @@ pipeline {
 	}
 }
 
+@groovy.transform.Field
+def utilities = null
+
 @NonCPS
 def assignEnvVariable(String name, String value) {
-	env."${name}" = value
-	println("${name}=${value}")
+	utilities.assignEnvVariable(name, value)
 }

JenkinsJobs/shared/utilities.groovy

@@ -26,8 +26,8 @@ def matchBuildIdentifier(String dropID, Closure iBuildHandler, Closure sBuildHan
 		/(?<type>[I])(?<date>\d{8})-(?<time>\d{4})/,
 		/(?<type>[SR])-(?<label>(?<major>\d+)\.(?<minor>\d+)(\.(?<service>\d+))?(?<checkpoint>(M|RC)\d+[a-z]?)?)-(?<date>\d{8})(?<time>\d{4})/,
 	], [
-		{ iBuild -> Objects.requireNonNull(iBuildHandler, "No handler for I-build id match: ${dropID}").call(iBuild)},
-		{ sBuild -> Objects.requireNonNull(sBuildHandler, "No handler for S-build id match: ${dropID}").call(sBuild)},
+		{ iBuild -> Objects.requireNonNull(iBuildHandler, "I-build ID not supported: ${dropID}").call(iBuild)},
+		{ sBuild -> Objects.requireNonNull(sBuildHandler, "S/R-build ID not supported: ${dropID}").call(sBuild)},
 	])
 }
 
@@ -41,6 +41,12 @@ def stableBuildGitTag(CharSequence dropID) {
 	return stableBuildGitTag(matchBuildIdentifier(dropID, null, { }))
 }
 
+@NonCPS
+def assignEnvVariable(String name, Object value) {
+	env[name] = value?.toString()?.trim()
+	println("${name}=${value}")
+}
+
 // --- local file modifications ---
 
 def replaceAllInFile(String filePath, Map<String,String> replacements) {