Pet*_*ahn 10 jenkins jenkins-pipeline
如何报告声明性管道失败的阶段?在失败块中,我想获取failedStage.name并报告它(最终松弛).
pipeline {
agent { label 'master'}
stages {
stage('Ok') {
steps {
echo 'do thing'
}
}
stage('NotOK') {
steps {
sh 'make fail'
}
}
}
post {
always {
echo 'ok'
}
failure {
echo 'Failed during Which Stage?'
}
}
}
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这通常可以使用 Blue Ocean 插件 API 来实现。类PipelineNodeGraphVisitor可用于迭代所有管道节点(例如阶段、并行分支和步骤)。我们只需要检查equals的type属性。FlowNodeWrapperFlowNodeWrapper.NodeType.STAGE
此外,我们可以从ErrorAction存储在节点中的s 中获取失败原因。
您通常会将以下代码放入共享库中,因为如果直接插入到管道代码中,它会阻止管道在沙箱环境中运行。
import io.jenkins.blueocean.rest.impl.pipeline.PipelineNodeGraphVisitor
import io.jenkins.blueocean.rest.impl.pipeline.FlowNodeWrapper
import org.jenkinsci.plugins.workflow.support.steps.build.RunWrapper
import org.jenkinsci.plugins.workflow.actions.ErrorAction
// Get information about all stages, including the failure causes.
//
// Returns a list of maps: [[id, displayName, result, errors]]
// The 'errors' member is a list of unique exceptions.
@NonCPS
List<Map> getStageResults( RunWrapper build ) {
// Get all pipeline nodes that represent stages
def visitor = new PipelineNodeGraphVisitor( build.rawBuild )
def stages = visitor.pipelineNodes.findAll{ it.type == FlowNodeWrapper.NodeType.STAGE }
return stages.collect{ stage ->
// Get all the errors from the stage
def errorActions = stage.getPipelineActions( ErrorAction )
def errors = errorActions?.collect{ it.error }.unique()
return [
id: stage.id,
displayName: stage.displayName,
result: "${stage.status.result}",
errors: errors
]
}
}
// Get information of all failed stages
@NonCPS
List<Map> getFailedStages( RunWrapper build ) {
return getStageResults( build ).findAll{ it.result == 'FAILURE' }
}
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pipeline{
agent any
stages {
stage('SuccessStage') {
steps {
echo 'Success'
}
}
stage('FailedStage') {
steps {
readFile 'dfgkjsdffj'
}
}
stage('SkippedStage') {
steps {
echo 'Skipped because of error in FailedStage'
}
}
}
post {
failure {
script {
// Print information about all failed stages
def failedStages = getFailedStages( currentBuild )
echo "Failed stages:\n" + failedStages.join('\n')
// To get a list of just the stage names:
//echo "Failed stage names: " + failedStages.displayName
}
}
}
}
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如果您想获得具有其他结果的阶段,请FAILURE查看我的函数getFailedStages()。您可以简单地更改条件,例如:
it.result in ['FAILURE','UNSTABLE']
it.result != 'SUCCESS'
可能的替代实现:
严格来说,Blue Ocean API 不是必需的。它只是简化了很多代码。你可以只使用基本的 Jenkins 管道 API 来做同样的事情。作为起点,寻找FlowGraphWalker迭代管道节点。查看 Blue Ocean 的代码,PipelineNodeGraphVisitor了解他们如何确定“舞台”节点类型。
您可以在每个阶段使用post指令,通过特定操作和通知来应对失败。
这并不完全理想,因为如果您希望在所有阶段都必须重复它,而且我不认为您可以动态访问您的阶段名称,所以它确实是冗长和硬编码的。不过,您可能可以重构它以使用库。
pipeline {
agent { label 'master'}
stages {
stage('Ok') {
steps {
echo 'do thing'
}
post {
failure {
echo 'FAILED (in stage OK - should not happen :))'
}
}
}
stage('NotOK') {
steps {
sh 'make fail'
}
post {
failure {
echo 'FAILED (in stage NotOK)'
}
}
}
}
post {
always {
echo 'COMPLETED (global)'
}
failure {
echo 'FAILED (global)'
}
}
}
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PipelineVisitor 是一个很好的方法。但是,如果您只想查看错误,那么可以利用FlowGraphTable可能会更好。
下面提供了每个失败步骤的映射列表,并遍历下游作业。我发现它非常有用。
您需要使用共享库来避免安全沙箱警告/批准
List<Map> getStepResults() {
def result = []
WorkflowRun build = currentBuild()
FlowGraphTable t = new FlowGraphTable(build.execution)
t.build()
for (def row in t.rows) {
if (row.node.error) {
def nodeInfo = [
'name': "${row.node.displayName}",
'url': "${env.JENKINS_URL}${row.node.url}",
'error': "${row.node.error.error}",
'downstream': [:]
]
if (row.node.getAction(LogStorageAction)) {
nodeInfo.url += 'log/'
}
for (def entry in getDownStreamJobAndBuildNumber(row.node)) {
nodeInfo.downstream["${entry.key}-${entry.value}"] = getStepResults(entry.key, entry.value)
}
result << nodeInfo
}
}
log(result)
return result
}
Map getDownStreamJobAndBuildNumber(def node) {
Map downStreamJobsAndBuilds = [:]
for (def action in node.getActions(NodeDownstreamBuildAction)) {
def result = (action.link =~ /.*\/(?!\/)(.*)\/runs\/(.*)\//).findAll()
if (result) {
downStreamJobsAndBuilds[result[0][1]] = result[0][2]
}
}
return downStreamJobsAndBuilds
}
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