freeleaps-ops/first-class-pipeline/vars/executeFreeleapsPipeline.groovy

#!groovy

import com.freeleaps.devops.SourceFetcher
import com.freeleaps.devops.DependenciesResolver
import com.freeleaps.devops.enums.DependenciesManager
import com.freeleaps.devops.enums.ServiceLanguage
import com.freeleaps.devops.CommitMessageLinter
import com.freeleaps.devops.ChangedComponentsDetector

def generateComponentStages(component, configurations) {
    return [
      stage("${component.name} :: Build Agent Setup") {
        script {
            if (env.executeMode == "fully" || env.changedComponents.contains(component.name)) {
                def buildAgentImage = component.buildAgentImage
                if (buildAgentImage == null || buildAgentImage.isEmpty()) {
                    log.warn("Pipeline", "Not set buildAgentImage for ${component.name}, using default build agent image")

                    def language = ServiceLanguage.parse(component.language)
                    switch(language) {
                        case ServiceLanguage.PYTHON:
                            buildAgentImage = "docker.io/python:3.10-slim-buster"
                            break
                        case ServiceLanguage.JS:
                            buildAgentImage = "docker.io/node:lts-alpine"
                            break
                        default:
                            error("Unknown service language")
                    }
                }
                log.info("Pipeline", "Using ${buildAgentImage} as build agent image for ${component.name}")
                env.buildAgentImage = buildAgentImage
            }
        }
    },

    stage("${component.name} :: Dependencies Resolving") {
      podTemplate(
        label: "dep-resolver-${component.name}",
        containers: [
          containerTemplate(
            name: 'dep-resolver',
            image: env.buildAgentImage,
            ttyEnabled: true,
            command: 'sleep',
            args: 'infinity'
          )
        ]
      ) {
        node("dep-resolver-${component.name}") {
          script {
            if (env.executeMode == "fully" || env.changedComponents.contains(component.name)) {
              log.info("Pipeline", "Using ${env.buildAgentImage} as build agent image for dependencies resolving")
              def sourceFetcher = new SourceFetcher(this)
              sourceFetcher.fetch(configurations)

              def language = ServiceLanguage.parse(component.language)
              def depManager = DependenciesManager.parse(component.dependenciesManager)

              def dependenciesResolver = new DependenciesResolver(this, language, env.workspace + "/" + component.root + "/")
              dependenciesResolver.useManager(depManager)
              
              if (component.buildCacheEnabled) {
                  dependenciesResolver.enableCachingSupport()
              } else {
                  dependenciesResolver.disableCachingSupport()
              }

              dependenciesResolver.resolve(component)
            }
          }
        }
      }
    }
  ]
}

def call(Closure closure) {
  def configurations = [:]
  closure.resolveStrategy = Closure.DELEGATE_FIRST
  closure.delegate = configurations
  closure()

  pipeline {
    agent any
    options {
      buildDiscarder(logRotator(numToKeepStr: '25'))
      timeout(time: 30, unit: 'MINUTES')
      parallelsAlwaysFailFast()
    }

    stages {
      stage("Commit Linting If Enabled") {
        when {
          expression {
            return configurations.commitMessageLintEnabled != null && configurations.commitMessageLintEnabled
          }
        }
        agent {
          kubernetes {
            defaultContainer 'commit-message-linter'
            yaml """
apiVersion: v1
kind: Pod
metadata:
  labels:
    freeleaps-devops-system/milestone: commit-message-linting
spec:
  containers:
  - name: commit-message-linter
    image: docker.io/commitlint/commitlint:master
    command:
    - cat
    tty: true
    volumeMounts:
    - name: workspace
      mountPath: /workspace
  volumes:
    - name: workspace
      emptyDir: {} 
"""
          }
        }
        steps {
          script {
            log.info("Pipeline","Commit message linting is enabled")
            def sourceFetcher = new SourceFetcher(this)
            sourceFetcher.fetch(configurations)

            def linter = new CommitMessageLinter(this)
            linter.lint(configurations)
          }
        }
      }

      stage("Execute Mode Detection") {
        steps {
          script {
            def executeMode = configurations.executeMode
            if (executeMode == null || executeMode.isEmpty()) {
              log.warn("Pipeline","Not set executeMode, using fully as default execute mode")
              env.executeMode = "fully"
            } else if (executeMode == 'on-demand' && configurations.serviceGitRepoType != 'monorepo') {
              log.warn("Pipeline","serviceGirRepoType is not monorepo, on-demand mode is not supported, using fully mode")
              env.executeMode = "fully"
            } else {
              log.info("Pipeline","Using ${executeMode} as execute mode")
              env.executeMode = executeMode
            }
          }
        }
      }

      stage("Code Changes Detection") {
        when {
          expression {
            return env.executeMode == "on-demand"
          }
        }

        steps {
          script {
            sourceFetcher.fetch(configurations)

            def changedComponentsDetector = new ChangedComponentsDetector(this)
            def changedComponents = changedComponentsDetector.detect(env.workspace, configurations.components)

            log.info("Pipeline","Changed components: ${changedComponents}")
            env.changedComponents = changedComponents.join(' ')
          }
        }
      }

      stage("Components Build (Dynamic Generated Stages)") {
        when {
          expression {
            return env.executeMode == "fully" || env.changedComponents.size() > 0
          }
        }
        steps {
          script {
            configurations.components.each { component ->
              def generatedStages = generateComponentStages(component, configurations)
              generatedStages.each { stage ->
                stage(stage)
              }
            }
          }
        }
      }

    }
  }
}