This is a Jenkins plugin for Violation Comments to GitLab Lib. This plugin will find report files from static code analysis and comment GitLab pull requests with the content.

Available in Jenkins here.

Example of supported reports are available here.

There is a complete running example available here: https://github.com/tomasbjerre/jenkins-configuration-as-code-sandbox

You can also do this with a command line tool.

A number of parsers have been implemented. Some parsers can parse output from several reporters.

Missing a format? Open an issue here!

There is also:

• A Gradle plugin.
• A Maven plugin.

Notify Jenkins from GitLab

• You may trigger with a webhook in GitLab. And consume it with Generic Webhook Trigger plugin to get the variables you need.

• Or, trigger with GitLab plugin.

• Or, trigger with GitLab Merge Request Builder Plugin.

Merge

You must perform the merge before build. If you don't perform the merge, the reported violations will refer to other lines then those in the pull request. The merge can be done with a shell script like this.

echo ---
echo --- Merging from $FROM in $FROMREPO to $TO in $TOREPO
echo ---
git clone $TOREPO
cd *
git reset --hard $TO
git status
git remote add from $FROMREPO
git fetch from
git merge $FROM
git --no-pager log --max-count=10 --graph --abbrev-commit

Your build command here!

Screenshots

Comments can be made on the diff with one comment per violation createSingleFileComments.

Or one big comment can be made, createCommentWithAllSingleFileComments.

Job DSL Plugin

This plugin can be used with the Job DSL Plugin. Here is an example using Generic Webhook Trigger plugin, HTTP Request Plugin and Conditional BuildStep Plugin.

job('GitLab_MR_Builder') {
 concurrentBuild()
 quietPeriod(0)
 parameters {
  stringParam('MERGE_REQUEST_TO_URL', '')
  stringParam('MERGE_REQUEST_FROM_URL', '')
  stringParam('MERGE_REQUEST_TO_BRANCH', '')
  stringParam('MERGE_REQUEST_FROM_BRANCH', '')
 }
 scm {
  git {
   remote {
    name('origin')
    url('$MERGE_REQUEST_TO_URL')
   }
   remote {
    name('upstream')
    url('$MERGE_REQUEST_FROM_URL')
   }
   branch('$MERGE_REQUEST_FROM_BRANCH')
   extensions {
    mergeOptions {
     remote('upstream')
     branch('$MERGE_REQUEST_TO_BRANCH')
    }
   }
  }
 }
 triggers {
  genericTrigger {
   genericVariables {
    genericVariable {
     key("MERGE_REQUEST_TO_URL")
     value("\$.object_attributes.target.git_http_url")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MERGE_REQUEST_FROM_URL")
     value("\$.object_attributes.source.git_http_url")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MERGE_REQUEST_TO_BRANCH")
     value("\$.object_attributes.target_branch")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MERGE_REQUEST_FROM_BRANCH")
     value("\$.object_attributes.source_branch")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("PROJECT_ID")
     value("\$.object_attributes.target_project_id")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MERGE_REQUST_ID")
     value("\$.object_attributes.id")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MR_OBJECT_KIND")
     value("\$.object_kind")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MR_OLD_REV")
     value("\$.object_attributes.oldrev")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MR_ACTION")
     value("\$.object_attributes.action")
     expressionType("JSONPath")
     regexpFilter("")
    }
   }
   regexpFilterText("\$MR_OBJECT_KIND \$MR_ACTION \$MR_OLD_REV")
   regexpFilterExpression("^merge_request\\s(update\\s.{40}\$|open.*)")
  }
 }
 steps {
  httpRequest {
   url("http://gitlab:880/api/v3/projects/\$PROJECT_ID/merge_requests/\$MERGE_REQUST_ID/notes?private_token=AvAkp6HtUvzpesPypXSk")
   consoleLogResponseBody(true)
   httpMode("POST")
   requestBody('body=Building... %20\$BUILD_URL')
   }
 
  shell('./gradlew build')
 
  conditionalBuilder {
   runCondition {
    statusCondition {
     worstResult('SUCCESS')
     bestResult('SUCCESS')
    }
    runner {
     runUnstable()
    }
    conditionalbuilders {
     httpRequest {
      url('http://gitlab:880/api/v3/projects/\$PROJECT_ID/merge_requests/\$MERGE_REQUST_ID/notes?private_token=AvAkp6HtUvzpesPypXSk')
      consoleLogResponseBody(true)
      httpMode('POST')
      requestBody('body=SUCCESS%20\$BUILD_URL')
     }
    }
   }
  }
 
  conditionalBuilder {
   runCondition {
    statusCondition {
     worstResult('FAILURE')
     bestResult('FAILURE')
    }
    runner {
     runUnstable()
    }
    conditionalbuilders {
     httpRequest {
      url('http://gitlab:880/api/v3/projects/\$PROJECT_ID/merge_requests/\$MERGE_REQUST_ID/notes?private_token=AvAkp6HtUvzpesPypXSk')
      consoleLogResponseBody(true)
      httpMode('POST')
      requestBody('body=FAIL%20\$BUILD_URL')
     }
    }
   }
  }
 }
 publishers {
  violationsToGitLabRecorder {
   config {
    gitLabUrl("http://gitlab:880/")
    projectId("\$PROJECT_ID")
    mergeRequestIid("\$MERGE_REQUST_IID")
    
    // Only specify proxy if you need it
    proxyUri('')
    proxyCredentialsId('') // A username/password credential
 
    commentOnlyChangedContent(true)
    commentOnlyChangedFiles(true)
    createSingleFileComments(true)
    createCommentWithAllSingleFileComments(true)
    minSeverity('INFO')
    maxNumberOfViolations(99999)
    
    //You may want this when troubleshooting things
    enableLogging(true)
    
 
    apiTokenCredentialsId("gitlabtoken") // A secret text credential
    apiTokenPrivate(true)
    authMethodHeader(true)
    ignoreCertificateErrors(true)
    
    commentTemplate("""
    **Reporter**: {{violation.reporter}}{{#violation.rule}}
    
    **Rule**: {{violation.rule}}{{/violation.rule}}
    **Severity**: {{violation.severity}}
    **File**: {{violation.file}} L{{violation.startLine}}{{#violation.source}}
    
    **Source**: {{violation.source}}{{/violation.source}}
    
    {{violation.message}}
    """)
 
    violationConfigs {
     violationConfig {
      parser("FINDBUGS")
      reporter("Findbugs")
      pattern(".*/findbugs/.*\\.xml\$")
     }
     violationConfig {
      parser("CHECKSTYLE")
      reporter("Checkstyle")
      pattern(".*/checkstyle/.*\\.xml\$")
     }
    }
   }
  }
 }
}

Pipeline Plugin

Here is an example pipeline that will merge, run unit tests, run static code analysis and finally report back to GitLab. It requires the GitLab Plugin.

pipelineJob("merge-request-pipeline") {
 concurrentBuild()
 quietPeriod(0)
 authenticationToken("thetoken")
 triggers {
  genericTrigger {
   genericVariables {
    genericVariable {
     key("MERGE_REQUEST_TO_URL")
     value("\$.object_attributes.target.git_http_url")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MERGE_REQUEST_FROM_URL")
     value("\$.object_attributes.source.git_http_url")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MERGE_REQUEST_TO_BRANCH")
     value("\$.object_attributes.target_branch")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MERGE_REQUEST_FROM_BRANCH")
     value("\$.object_attributes.source_branch")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("PROJECT_ID")
     value("\$.object_attributes.target_project_id")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("PROJECT_PATH")
     value("\$.object_attributes.target.path_with_namespace")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MERGE_REQUST_IID")
     value("\$.object_attributes.iid")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MR_OBJECT_KIND")
     value("\$.object_kind")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MR_OLD_REV")
     value("\$.object_attributes.oldrev")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MR_ACTION")
     value("\$.object_attributes.action")
     expressionType("JSONPath")
     regexpFilter("")
    }
    genericVariable {
     key("MR_TITLE")
     value("\$.object_attributes.title")
     expressionType("JSONPath")
     regexpFilter("")
    }
   }
   regexpFilterText("\$MR_OBJECT_KIND \$MR_ACTION \$MR_OLD_REV")
   regexpFilterExpression("^merge_request\\s(update\\s.{40}\$|open.*)")
  }
 }
 
 definition {
  cps {
   script(readFileFromWorkspace('merge_request_pipeline.pipeline'))
   sandbox()
  }
 }
}

And the merge_request_pipeline.pipeline contains

def commentMr(projectId, mergeRequestIid, comment) {
 def body = comment
 .replaceAll(" ","%20")
 .replaceAll("/","%2F")
 def project = projectId
 .replaceAll("/","%2F")
 sh "curl http://gitlab:80/api/v4/projects/$project/merge_requests/$mergeRequestIid/notes -H 'PRIVATE-TOKEN: 6xRcmSzPzzEXeS2qqr7R' -X POST -d \"body="+body+"\""
}
  
node {
 deleteDir()
 currentBuild.description = "$MR_TITLE from $MERGE_REQUEST_FROM_BRANCH to $MERGE_REQUEST_TO_BRANCH"
  
 commentMr(env.PROJECT_PATH,env.MERGE_REQUST_IID,"Verifierar $MERGE_REQUEST_FROM_BRANCH... ${env.BUILD_URL}")
  
 stage('Merge') {
  sh "git init"
  sh "git fetch --no-tags $MERGE_REQUEST_TO_URL +refs/heads/*:refs/remotes/origin/* --depth=200"
  sh "git checkout origin/${env.MERGE_REQUEST_TO_BRANCH}"
  sh "git config user.email 'je@nkins.domain'"
  sh "git config user.name 'jenkins'"
  sh "git merge origin/${env.MERGE_REQUEST_FROM_BRANCH}"
  sh "git log --graph --abbrev-commit --max-count=10"
 }
  
 stage('Compile') {
  sh "./gradlew assemble"
 }
  
 stage('Unit test') {
  sh "./gradlew test"
  commentMr(env.PROJECT_PATH,env.MERGE_REQUST_IID,"Test ok in $MERGE_REQUEST_FROM_BRANCH =) ${env.BUILD_URL}")
 }
  
 stage('Regression test') {
  sh "echo regtest"
  commentMr(env.PROJECT_PATH,env.MERGE_REQUST_IID,"Regression test ok in $MERGE_REQUEST_FROM_BRANCH =) ${env.BUILD_URL}")
 }
  
 stage('Static code analysis') {
 sh "./gradlew check"
 step([
 $class: 'ViolationsToGitLabRecorder',
 config: [
  gitLabUrl: 'http://gitlab:80/',
  projectId: env.PROJECT_PATH,
  mergeRequestIid: env.MERGE_REQUST_IID,
  commentOnlyChangedContent: true,
  commentOnlyChangedFiles: true,
  createSingleFileComments: true,
  createCommentWithAllSingleFileComments: true,
  minSeverity: 'INFO',
  maxNumberOfViolations: 99999,
 
  // You may want this when troubleshooting things
  enableLogging: true,
 
  // Only specify proxy if you need it
  proxyUri: '',
  proxyCredentialsId: '', // A username/password credential
 
  apiTokenCredentialsId: 'id', // A secret text credential
  apiTokenPrivate: true,
  authMethodHeader: true,
  ignoreCertificateErrors: true,
  keepOldComments: false,
  shouldSetWip: true,
 
  commentTemplate: """
 **Reporter**: {{violation.reporter}}{{#violation.rule}}
 
 **Rule**: {{violation.rule}}{{/violation.rule}}
 **Severity**: {{violation.severity}}
 **File**: {{violation.file}} L{{violation.startLine}}{{#violation.source}}
 
 **Source**: {{violation.source}}{{/violation.source}}
 
 {{violation.message}}
  """,
 
  violationConfigs: [
   [ pattern: '.*/checkstyle/.*\\.xml$', parser: 'CHECKSTYLE', reporter: 'Checkstyle' ],
   [ pattern: '.*/findbugs/.*\\.xml$', parser: 'FINDBUGS', reporter: 'Findbugs' ],
   [ pattern: '.*/pmd/.*\\.xml$', parser: 'PMD', reporter: 'PMD' ],
  ]
 ]
 ])
 }
}

Changelog

https://github.com/jenkinsci/violation-comments-to-gitlab-plugin/blob/master/CHANGELOG.md