/* beacon_chain
 * Copyright (c) 2019-2023 Status Research & Development GmbH
 * Licensed and distributed under either of
 *   * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
 *   * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
 * at your option. This file may not be copied, modified, or distributed except according to those terms.
 */

pipeline {
  /* This way we run the same Jenkinsfile on different platforms. */
  agent { label params.AGENT_LABEL }

  parameters {
    string(
      name: 'AGENT_LABEL',
      description: 'Label for targetted CI slave host: linux/macos',
      defaultValue: params.AGENT_LABEL ?: getAgentLabel(),
    )
    choice(
      name: 'VERBOSITY',
      description: 'Value for the V make flag to increase log verbosity',
      choices: [0, 1, 2]
    )
  }

  options {
    timestamps()
    ansiColor('xterm')
    /* This also includes wait time in the queue. */
    timeout(time: 24, unit: 'HOURS')
    /* Limit builds retained. */
    buildDiscarder(logRotator(
      numToKeepStr: '5',
      daysToKeepStr: '30',
      artifactNumToKeepStr: '3',
    ))
    /* Throttle number of concurrent builds. */
    throttleJobProperty(
      throttleEnabled: true,
      throttleOption: 'category',
      categories: ['nimbus-eth2'],
      maxConcurrentPerNode: 1,
      maxConcurrentTotal: 9
    )
    /* Abort old builds for non-main branches. */
    disableConcurrentBuilds(
      abortPrevious: !isMainBranch()
    )
  }

  environment {
    NPROC = Runtime.getRuntime().availableProcessors()
    MAKEFLAGS = "V=${params.VERBOSITY} -j${env.NPROC}"
  }

  stages {
    stage('Deps') {
      steps { timeout(20) {
        /* To allow the following parallel stages. */
        sh 'make QUICK_AND_DIRTY_COMPILER=1 update'
        /* Allow the following parallel stages. */
        sh 'make deps'
        /* Download test vectors. */
        sh './scripts/setup_scenarios.sh'
      } }
    }

    stage('Build') {
      steps { timeout(50) {
        sh 'make LOG_LEVEL=TRACE'
        /* Check documentation reflects `nimbus_beacon_node --help`. */
        sh '''#!/usr/bin/env bash
          if ! diff -u \\
              <(sed -n '/Usage/,/^...$/ { /^...$/d; p; }' \\
                docs/the_nimbus_book/src/options.md) \\
              <(COLUMNS=200 build/nimbus_beacon_node --help | \\
                sed -n '/Usage/,/Available sub-commands/ { /Available sub-commands/d; p; }' | \\
                sed 's/\\x1B\\[[0-9;]*[mG]//g' | \\
                sed 's/[[:space:]]*$//'); then \\
            echo "Please update 'docs/the_nimbus_book/src/options.md' to match 'COLUMNS=200 nimbus_beacon_node --help'"; \\
            false; \\
          fi
        '''
      } }
    }

    stage('Tests') {
      parallel {
        stage('General') {
          steps { timeout(60) {
            sh 'make DISABLE_TEST_FIXTURES_SCRIPT=1 test'
            sh 'git diff --exit-code'  /* Check no uncommitted changes. */
          } }
        }

        stage('REST') {
          steps { timeout(5) {
            sh 'make restapi-test'
          } }
          post { always {
            sh 'tar cjf restapi-test.tar.gz resttest0_data/*.txt'
          } }
        }
      }
      post { always { timeout(5) {
        archiveArtifacts(artifacts: '*.tar.gz', allowEmptyArchive: true)
      } } }
    }

    stage('Finalizations') {
      stages {  /* parallel builds of minimal / mainnet not yet supported */
        stage('minimal') {
          steps { timeout(26) {
            sh 'make local-testnet-minimal'
          } }
          post { always {
            sh 'tar cjf local-testnet-minimal.tar.gz local-testnet-minimal/logs/*'
          } }
        }

        stage('mainnet') {
          steps { timeout(62) {
            sh 'make local-testnet-mainnet'
          } }
          post { always {
            sh 'tar cjf local-testnet-mainnet.tar.gz local-testnet-mainnet/logs/*'
          } }
        }
      }
      post { always { timeout(5) {
        archiveArtifacts(
          artifacts: '*.tar.gz',
          excludes: '**/geth-*.tar.gz',  /* `scripts/geth_binaries.sh` */
          allowEmptyArchive: true
        )
      } } }
    }
  }

  post {
    always {
      cleanWs(
        disableDeferredWipeout: true,
        deleteDirs: true
      )
    }
  }
}

def isMainBranch() {
  return ['stable', 'testing', 'unstable'].contains(env.BRANCH_NAME)
}

/* This allows us to use one Jenkinsfile and run
 * jobs on different platforms based on job name. */
def getAgentLabel() {
    if (params.AGENT_LABEL) { return params.AGENT_LABEL }
    /* We extract the name of the job from currentThread because
     * before an agent is picket env is not available. */
    def tokens = Thread.currentThread().getName().split('/')
    def labels = []
    /* Check if the job path contains any of the valid labels. */
    ['linux', 'macos', 'x86_64', 'aarch64', 'arm64'].each {
        if (tokens.contains(it)) { labels.add(it) }
    }
    return labels.join(' && ')
}