dsl/kernel-lttng-modules.seed.groovy

   1 enum KernelVersioning {
   2     MAJOR,MINOR,REVISION,BUILD
   3 }
   4
   5 class BasicVersion implements Comparable<BasicVersion> {
   6     int major = -1
   7     int minor = -1
   8     int revision = -1
   9     int build = -1
  10     int rc = -1
  11     String gitRefs
  12
  13     // Default Constructor
  14     BasicVersion() {}
  15
  16     // Parse a version string of format X.Y.Z.W-A
  17     BasicVersion(String version, String ref) {
  18         gitRefs = ref
  19         def tokenVersion
  20         def token
  21         if (version.contains('-')) {
  22             // Release canditate
  23             token = version.tokenize('-')
  24             tokenVersion = token[0]
  25             if (token[1]?.isInteger()) {
  26                 rc = token[1].toInteger()
  27             }
  28         } else {
  29             tokenVersion = version
  30         }
  31
  32         tokenVersion = tokenVersion.tokenize('.')
  33
  34         def tagEnum = KernelVersioning.MAJOR
  35         tokenVersion.each {
  36             if (it?.isInteger()) {
  37                 switch (tagEnum) {
  38                     case KernelVersioning.MAJOR:
  39                         major = it.toInteger()
  40                         tagEnum = KernelVersioning.MINOR
  41                         break
  42                     case KernelVersioning.MINOR:
  43                         minor = it.toInteger()
  44                         tagEnum = KernelVersioning.REVISION
  45                         break
  46                     case KernelVersioning.REVISION:
  47                         revision = it.toInteger()
  48                         tagEnum = KernelVersioning.BUILD
  49                         break
  50                     case KernelVersioning.BUILD:
  51                         build = it.toInteger()
  52                         tagEnum = -1
  53                         break
  54                     default:
  55                         println("Unsupported version extension")
  56                         println("Trying to parse: ${version}")
  57                         println("Invalid sub version value: ${it}")
  58                 //TODO: throw exception for jenkins
  59                 }
  60             }
  61         }
  62     }
  63
  64     String print() {
  65         String ret = ""
  66         if (major != -1) {
  67             ret += major
  68             if (minor != -1) {
  69                 ret += "." + minor
  70                 if (revision != -1) {
  71                     ret += "." + revision
  72                     if (build != -1) {
  73                         ret += "." + build
  74                     }
  75                 }
  76             }
  77             if (rc != -1) {
  78                 ret += "-rc" + rc
  79             }
  80         }
  81         return ret
  82     }
  83
  84     @Override
  85     int compareTo(BasicVersion kernelVersion) {
  86         return major <=> kernelVersion.major ?: minor <=> kernelVersion.minor ?: revision <=> kernelVersion.revision ?: build <=> kernelVersion.build ?: rc <=> kernelVersion.rc
  87     }
  88 }
  89
  90 def kernelTagCutOff = new BasicVersion("2.6.36", "")
  91 def modulesBranches = ["master", "stable-2.5", "stable-2.6"]
  92
  93 //def modulesBranches = ["master","stable-2.5","stable-2.6", "stable-2.4"]
  94
  95 def linuxURL = "git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git"
  96 def modulesURL = "https://github.com/lttng/lttng-modules.git"
  97
  98 // Linux specific variable
  99 String linuxCheckoutTo = "linux-source"
 100 String recipeCheckoutTo = "recipe"
 101 String modulesCheckoutTo = "lttng-modules"
 102
 103 def linuxGitReference = "/home/jenkins/gitcache/linux-stable.git"
 104
 105 // Check if we are on jenkins
 106 // Useful for outside jenkins devellopment related to groovy only scripting
 107 def isJenkinsInstance = binding.variables.containsKey('JENKINS_HOME')
 108
 109 // Fetch tags and format
 110 // Split the string into sections based on |
 111 // And pipe the results together
 112 String process = "git ls-remote -t $linuxURL | cut -c42- | sort -V"
 113 def out = new StringBuilder()
 114 def err = new StringBuilder()
 115 Process result = process.tokenize( '|' ).inject( null ) { p, c ->
 116     if( p )
 117         p | c.execute()
 118     else
 119         c.execute()
 120 }
 121
 122 result.waitForProcessOutput(out,err)
 123
 124 if ( result.exitValue() == 0 ) {
 125     def branches = out.readLines().collect {
 126         // Scrap special string tag
 127         it.replaceAll("\\^\\{\\}", '')
 128     }
 129
 130     branches = branches.unique()
 131
 132     List versions = []
 133     branches.each { branch ->
 134         def stripBranch = branch.replaceAll("rc", '').replaceAll(/refs\/tags\/v/,'')
 135         BasicVersion kVersion = new BasicVersion(stripBranch, branch)
 136         versions.add(kVersion)
 137     }
 138
 139     // Sort the version via Comparable implementation of KernelVersion
 140     versions = versions.sort()
 141
 142     // Find the version cutoff
 143     def cutoffPos = versions.findIndexOf{(it.major >= kernelTagCutOff.major) && (it.minor >= kernelTagCutOff.minor) && (it.revision >= kernelTagCutOff.revision) && (it.build >= kernelTagCutOff.build) && (it.rc >= kernelTagCutOff.rc)}
 144
 145         // If error set cutoff on last so no job are created
 146         if (cutoffPos == -1) {
 147                 cutoffPos = versions.size()
 148         }
 149     // Get last version and include only last rc
 150     def last
 151     def lastNoRcPos
 152     last = versions.last()
 153     if (last.rc != -1) {
 154         int i = versions.size()-1
 155         while (i > -1 && versions[i].rc != -1 ) {
 156             i--
 157         }
 158         lastNoRcPos = i + 1
 159     } else {
 160         lastNoRcPos = versions.size()
 161     }
 162
 163     String modulesPrefix = "lttng-modules"
 164     String kernelPrefix = "dsl-kernel"
 165     String separator = "-"
 166
 167
 168         println("CutOff index")
 169         println(cutoffPos)
 170
 171
 172     // Actual job creation
 173     for (int i = cutoffPos; i < versions.size() ; i++) {
 174
 175         // Only create for valid build
 176         if ( (i < lastNoRcPos && versions[i].rc == -1) || (i >= lastNoRcPos)) {
 177             println ("Preparing job for")
 178
 179             String jobName = kernelPrefix + separator + versions[i].print()
 180
 181             // Generate modules job based on supported modules jobs
 182             def modulesJob = [:]
 183             modulesBranches.each { branch ->
 184                 modulesJob[branch] = modulesPrefix + separator + branch + separator + jobName
 185             }
 186
 187             // Jenkins only dsl
 188             println(jobName)
 189             if (isJenkinsInstance) {
 190                 matrixJob("${jobName}") {
 191                     using("linux-master")
 192                     scm {
 193                         git {
 194                             remote {
 195                                 url("${linuxURL}")
 196                             }
 197                             branch(versions[i].gitRefs)
 198                             shallowClone(true)
 199                             relativeTargetDir(linuxCheckoutTo)
 200                             reference(linuxGitReference)
 201                         }
 202                     }
 203                     publishers {
 204                         modulesJob.each {
 205                             downstream(it.value, 'SUCCESS')
 206                         }
 207                     }
 208                 }
 209             }
 210             // Corresponding Module job
 211             modulesJob.each { job ->
 212                 println("\t" + job.key + " " + job.value)
 213                 if (isJenkinsInstance) {
 214                     matrixJob(job.value) {
 215                         using("modules")
 216                         multiscm {
 217                             git {
 218                                 remote {
 219                                     name(kernelPrefix)
 220                                     url("${linuxURL}")
 221                                 }
 222                                 branch(versions[i].gitRefs)
 223                                 shallowClone(true)
 224                                 relativeTargetDir(linuxCheckoutTo)
 225                                 reference(linuxGitReference)
 226                             }
 227                             git {
 228                                 remote {
 229                                     name(modulesPrefix)
 230                                     url(modulesURL)
 231                                 }
 232                                 branch(job.key)
 233                                 relativeTargetDir(modulesCheckoutTo)
 234                             }
 235                         }
 236                         steps {
 237                             copyArtifacts("${jobName}/arch=\$arch,label=kernel", "linux-artifact/**", '', false, false) {
 238                                 latestSuccessful(true) // Latest successful build
 239                             }
 240                             shell(readFileFromWorkspace('lttng-modules/lttng-modules-dsl-master.sh'))
 241                         }
 242                     }
 243                 }
 244             }
 245         }
 246     }
 247
 248     // Trigger generations
 249     def dslTriggerKernel = """\
 250 import hudson.model.*
 251 import jenkins.model.*
 252 import hudson.AbortException
 253 import hudson.console.HyperlinkNote
 254 import java.util.concurrent.CancellationException
 255 import java.util.Random
 256
 257
 258 Random random = new Random()
 259 def jobs = hudson.model.Hudson.instance.items
 260 def fail = false
 261 def jobStartWithKernel = "KERNELPREFIX"
 262 def jobStartWithModule = "MODULEPREFIX"
 263 def toBuild = []
 264 def counter = 0
 265 def limitQueue = 4
 266
 267 def anotherBuild
 268 jobs.each { job ->
 269   def jobName = job.getName()
 270   if (jobName.startsWith(jobStartWithKernel)) {
 271     counter = counter + 1
 272     def lastBuild = job.getLastBuild()
 273     if (lastBuild == null || lastBuild.result != Result.SUCCESS) {
 274       toBuild.push(job)
 275     } else {
 276       println("\tAlready built")
 277     }
 278   }
 279 }
 280
 281 println "Kernel total "+ counter
 282 println "Kernel to build "+ toBuild.size()
 283
 284
 285 def kernelEnabledNode = 0
 286 hudson.model.Hudson.instance.nodes.each { node ->
 287   if (node.getLabelString().contains("kernel")){
 288     kernelEnabledNode++
 289   }
 290 }
 291 println "Nb of live kernel enabled build node "+ kernelEnabledNode
 292
 293 def ongoingBuild = []
 294 def q = jenkins.model.Jenkins.getInstance().getQueue()
 295
 296 while (toBuild.size() != 0) {
 297   // Throttle the build with both the number of current parent task and queued
 298   // task.Look for both kernel and downstream module from previous kernel.
 299   def queuedTask = q.getItems().findAll {
 300     it.task.getParent().name.startsWith(jobStartWithKernel) ||
 301       it.task.getParent().name.startsWith(jobStartWithModule)
 302   }
 303   if ((ongoingBuild.size() <= kernelEnabledNode.intdiv(2)) && (queuedTask.size() < limitQueue)) {
 304                 def job = toBuild.pop()
 305                 ongoingBuild.push(job.scheduleBuild2(0))
 306                 println "\t trigering " + HyperlinkNote.encodeTo('/' + job.url, job.fullDisplayName)
 307   } else {
 308     println "Currently " + ongoingBuild.size() + " build currently on execution. Limit: " + kernelEnabledNode.intdiv(2)
 309     println "Currently " + queuedTask.findAll{it.task.getParent().name.startsWith(jobStartWithModule)}.size() + " module jobs are queued. Limit: " + limitQueue
 310     println "Currently " + queuedTask.findAll{it.task.getParent().name.startsWith(jobStartWithKernel)}.size() + " kernel jobs are queued. Limit: " + limitQueue
 311     Thread.sleep(random.nextInt(60000))
 312     ongoingBuild.removeAll{ it.isCancelled() || it.isDone() }
 313   }
 314 }
 315
 316 if (fail){
 317   throw new AbortException("Some job failed")
 318 }
 319 """
 320         def dslTriggerModule = """\
 321 import hudson.model.*
 322 import hudson.AbortException
 323 import hudson.console.HyperlinkNote
 324 import java.util.concurrent.CancellationException
 325 import java.util.Random
 326
 327
 328 Random random = new Random()
 329 def jobs = hudson.model.Hudson.instance.items
 330 def fail = false
 331 def jobStartWith = "JOBPREFIX"
 332 def toBuild = []
 333 def counter = 0
 334 def limitQueue = 4
 335
 336 def anotherBuild
 337 jobs.each { job ->
 338         def jobName = job.getName()
 339         if (jobName.startsWith(jobStartWith)) {
 340                 counter = counter + 1
 341                 toBuild.push(job)
 342         }
 343 }
 344
 345 // Get valid node
 346 def kernelEnabledNode = 0
 347 hudson.model.Hudson.instance.nodes.each { node ->
 348         if (node.getLabelString().contains("kernel")){
 349                 kernelEnabledNode++
 350         }
 351 }
 352
 353 def ongoingBuild = []
 354 def q = jenkins.model.Jenkins.getInstance().getQueue()
 355
 356 while (toBuild.size() != 0) {
 357         // Throttle the build with both the number of current parent task and queued
 358         // task.Look for both kernel and downstream module from previous kernel.
 359         def queuedTask = q.getItems().findAll {
 360                 it.task.getParent().name.startsWith(jobStartWithKernel) ||
 361                   it.task.getParent().name.startsWith(jobStartWithModule)
 362         }
 363
 364         if ((ongoingBuild.size() <= kernelEnabledNode.intdiv(2)) && (queuedTask.size() < limitQueue)) {
 365                 def job = toBuild.pop()
 366                 ongoingBuild.push(job.scheduleBuild2(0))
 367                 println "\\t trigering " + HyperlinkNote.encodeTo('/' + job.url, job.fullDisplayName)
 368         } else {
 369                 Thread.sleep(random.nextInt(60000))
 370                 ongoingBuild.removeAll{ it.isCancelled() || it.isDone() }
 371         }
 372 }
 373
 374 if (fail){
 375         throw new AbortException("Some job failed")
 376 }
 377 """
 378
 379         dslTriggerKernel = dslTriggerKernel.replaceAll("KERNELPREFIX", kernelPrefix)
 380         dslTriggerKernel = dslTriggerKernel.replaceAll("MODULEPREFIX", modulesPrefix)
 381     if (isJenkinsInstance) {
 382         freeStyleJob("dsl-trigger-kernel") {
 383             steps {
 384                 systemGroovyCommand(dslTriggerKernel)
 385             }
 386                         triggers {
 387                                 cron("H 0 * * *")
 388                         }
 389                 }
 390
 391                 modulesBranches.each { branch ->
 392                         dslTriggerModule = dslTriggerModule.replaceAll("JOBPREFIX",modulesPrefix + separator + branch + separator)
 393                         freeStyleJob("dsl-trigger-module-${branch}") {
 394                                 steps {
 395                                         systemGroovyCommand(dslTriggerModule)
 396                                 }
 397                                 triggers {
 398                                         scm('@daily')
 399                                 }
 400                         }
 401                 }
 402     }
 403 }