#!/usr/bin/env groovy

/*
 * Copyright (C) 2019 - present Instructure, Inc.
 *
 * This file is part of Canvas.
 *
 * Canvas is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the Free
 * Software Foundation, version 3 of the License.
 *
 * Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

def ci_node_total = 10; // how many nodes to run on
pipeline {
  agent none
  options {
    ansiColor('xterm')
  }

  environment {
    COMPOSE_FILE = 'docker-compose.new-jenkins.yml'
    // 'refs/changes/63/181863/8' -> '63.181863.8'
    NAME = "${env.GERRIT_REFSPEC}".minus('refs/changes/').replaceAll('/','.')
    PATCHSET_TAG = "$DOCKER_REGISTRY_FQDN/jenkins/canvas-lms:$NAME"
    KNAPSACK_ENABLED = 1
    KNAPSACK_GENERATE_REPORT = 'false'
    KNAPSACK_TEST_FILE_PATTERN = '{spec,gems/plugins/*/spec_canvas}/**/*_spec.rb'
    KNAPSACK_EXCLUDE_REGEX = '/selenium/'
    KNAPSACK_TEST_DIR = 'spec'
  }
  stages {
    stage ('Distribute Rspec Tests') {
      steps {
        script {
          def nodes = [:];
          for(int i = 0; i < ci_node_total; i++) {
            def index = i;
            nodes["rspec set ${(i+1).toString().padLeft(2, '0')}"] = {
              withEnv(["CI_NODE_INDEX=$index", "CI_NODE_TOTAL=$ci_node_total"]) {
                node('canvas-docker') {
                  stage("Running RSpec Set ${index}") {
                    try {
                      sh 'rm -rf ./tmp/spec_failures'
                      checkout scm
                      timeout(time: 60) {
                        sh 'printenv | sort'
                        sh 'build/new-jenkins/docker-compose-build-up.sh'
                        sh 'build/new-jenkins/docker-compose-create-migrate-database.sh'
                        sh 'build/new-jenkins/rspec-tests.sh'
                      }
                    }
                    catch (ex) {
                      // copy spec failures to local
                      sh 'mkdir -p tmp'
                      sh 'docker cp $(docker-compose ps -q web):/usr/src/app/log/spec_failures/ ./tmp/spec_failures/'
                      throw ex
                    }
                    finally {
                      dir ('tmp') {
                        stash name: "rspec_failures_${index}", includes: 'spec_failures/**/*', allowEmpty: true
                      }
                      sh 'rm -rf ./tmp/spec_failures'
                      sh 'build/new-jenkins/docker-cleanup.sh'
                    }
                  }
                }
              }
            }
          }
          parallel(nodes);
        }
      }
    }
  }
  post {
    failure {
      script {
        node {
          sh 'rm -rf ./compiled_failures'
          def htmlFiles;
          dir('compiled_failures') {
            for(int i = 0; i < ci_node_total; i++) {
              def index = i;
              dir ("node_${index}") {
                unstash "rspec_failures_${index}"
              }
            }
            htmlFiles = findFiles glob: '**/index.html'
          }
          publishHTML target: [
            allowMissing: false,
            alwaysLinkToLastBuild: false,
            keepAll: true,
            reportDir: 'compiled_failures',
            reportFiles: htmlFiles.join(','),
            reportName: 'Test Failures'
          ]
          sh 'rm -rf ./compiled_failures'
        }
      }
    }
  }
}