dsl/kernel-lttng-modules.seed.groovy

   1 import groovy.transform.Sortable
   2
   3 enum KernelVersioning {
   4     MAJOR,MINOR,REVISION,BUILD
   5 }
   6
   7 class KernelVersion implements Comparable<KernelVersion> {
   8     int major = -1
   9     int minor = -1
  10     int revision = -1
  11     int build = -1
  12     int rc = -1
  13
  14     // Default Constructor
  15     KernelVersion() {}
  16
  17     // Parse a version string of format X,Y,Z,W-A
  18     KernelVersion(String version) {
  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
  65     String print() {
  66         String ret = ""
  67         if (major != -1) {
  68             ret += major
  69             if (minor != -1) {
  70                 ret += "." + minor
  71                 if (revision != -1) {
  72                     ret += "." + revision
  73                     if (build != -1) {
  74                         ret += "." + build
  75                     }
  76                 }
  77             }
  78             if (rc != -1) {
  79                 ret += "-" + rc
  80             }
  81         }
  82         return ret
  83     }
  84
  85     @Override
  86     int compareTo(KernelVersion kernelVersion) {
  87         return major <=> kernelVersion.major ?: minor <=> kernelVersion.minor ?: revision <=> kernelVersion.revision ?: build <=> kernelVersion.build ?: rc <=> kernelVersion.rc
  88     }
  89 }
  90
  91 def cutoff = [major: 3, minor:19,revision:-1, build:-1, rc:-1]
  92 def linuxURL = "git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git"
  93 def modulesURL = "git://git.lttng.org/lttng-modules.git"
  94
  95 // Linux specific variable
  96 String linuxCheckoutTo = "linux-source"
  97 String recipeCheckoutTo = "recipe"
  98 String modulesCheckoutTo = "lttng-modules"
  99
 100 def linuxGitReference = "/home/jenkins/gitcache/linux-stable.git"
 101 String process = "git ls-remote -t $linuxURL | cut -c42- | sort -V"
 102
 103 // Check if we run the script on a jenkins instance
 104 // This is useful for dev and debug locally on groovy feature and not jenkins specific stuff
 105 def isJenkinsInstance = binding.variables.containsKey('JENKINS_HOME')
 106
 107
 108 // Split the string into sections based on |
 109 // And pipe the results together
 110 def out = new StringBuilder()
 111 def err = new StringBuilder()
 112 Process result = process.tokenize( '|' ).inject( null ) { p, c ->
 113     if( p )
 114         p | c.execute()
 115     else
 116         c.execute()
 117 }
 118
 119 result.waitForProcessOutput(out,err)
 120
 121 if ( result.exitValue() == 0 ) {
 122     def branches = out.readLines().collect {
 123         it.replaceAll("\\^\\{\\}", '').replaceAll("rc", '').replaceAll(/refs\/tags\/v/,'')
 124     }
 125
 126     branches = branches.unique()
 127     List versions = []
 128
 129     branches.each { branch ->
 130         KernelVersion kVersion = new KernelVersion(branch.toString())
 131         versions.add(kVersion)
 132     }
 133
 134     // Sort the version
 135     versions = versions.sort()
 136
 137     // Find cut of
 138     def cutoffPos = versions.findIndexOf{(it.major >= cutoff.major) && (it.minor >= cutoff.minor) && (it.revision >= cutoff.revision) && (it.build >= cutoff.build) && (it.rc >= cutoff.rc)}
 139
 140
 141     // Get last version and include only last rc
 142     def last
 143     def lastNoRcPos
 144     last = versions.last()
 145     if (last.rc != -1) {
 146         int i = versions.size()-1
 147         while (i > -1 && versions[i].rc != -1 ) {
 148             i--
 149         }
 150         lastNoRcPos = i + 1
 151     } else {
 152         lastNoRcPos = versions.size()
 153     }
 154
 155     for (int i = cutoffPos; i < versions.size() ; i++) {
 156         if ( (i < lastNoRcPos && versions[i].rc == -1) || (i >= lastNoRcPos)) {
 157             println ("Preparing job for")
 158             String kernel = versions[i].print()
 159             String jobName = "kernel-${kernel}"
 160             String moduleJobName = "lttng-modules-master-kernel-${kernel}"
 161             println(jobName)
 162             println(moduleJobName)
 163         if (isJenkinsInstance) {
 164             matrixJob("${jobName}") {
 165                 using("linux-master")
 166                 scm {
 167                     git {
 168                         remote {
 169                             url("${linuxURL}")
 170                         }
 171                         branch(tag)
 172                         shallowClone(true)
 173                         relativeTargetDir(linuxCheckoutTo)
 174                         reference(linuxGitReference)
 175                     }
 176                 }
 177                 publishers {
 178                     downstream(moduleJobName, 'SUCCESS')
 179                 }
 180             }
 181             // Corresponding Module job
 182             matrixJob("${moduleJobName}") {
 183                 using("modules")
 184                 multiscm {
 185                     git {
 186                         remote {
 187                             name("linux")
 188                             url("${linuxURL}")
 189                         }
 190                         branch(tag)
 191                         shallowClone(true)
 192                         relativeTargetDir(linuxCheckoutTo)
 193                         reference(linuxGitReference)
 194                     }
 195                     git {
 196                         remote {
 197                             name("lttng-modules")
 198                             url(modulesURL)
 199                         }
 200                         branch("master")
 201                         relativeTargetDir(modulesCheckoutTo)
 202                     }
 203                 }
 204                 steps {
 205                     copyArtifacts("${jobName}/arch=\$arch", "linux-artifact/**", '', false, false) {
 206                         latestSuccessful(true) // Latest successful build
 207                     }
 208                     shell(readFileFromWorkspace('lttng-modules/lttng-modules-dsl-master.sh'))
 209                 }
 210             }
 211         }
 212         }
 213     }
 214 }
 215