244 lines
8.9 KiB
JavaScript
244 lines
8.9 KiB
JavaScript
// Description:
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// Script that listens for PRs moving into the 'TO TEST' column
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// and triggers a Jenkins build.
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//
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// Dependencies:
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// github: "^13.1.0"
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// jenkins: "^0.20.1"
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// probot-config: "^1.0.0"
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//
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// Author:
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// PombeirP
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const getConfig = require('probot-config')
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const createScheduler = require('probot-scheduler')
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const jenkins = require('jenkins')({ baseUrl: process.env.JENKINS_URL, crumbIssuer: true, promisify: true })
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const HashMap = require('hashmap')
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const HashSet = require('hashset')
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const defaultConfig = require('../lib/config')
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const gitHubHelpers = require('../lib/github-helpers')
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const botName = 'trigger-automation-test-build'
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const pendingPullRequests = new HashMap()
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const existingProjectsProcessed = new HashSet()
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module.exports = (robot) => {
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if (!process.env.JENKINS_URL) {
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robot.log.info(`${botName} - Jenkins is not configured, not loading script`)
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return
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}
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robot.log.info(`${botName} - Starting up`)
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const { stop } = createScheduler(robot, { interval: 1 * 60 * 1000, delay: false })
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robot.on('schedule.repository', context => processExistingProjectCards(robot, context, stop))
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setInterval(checkPendingPullRequests, 5 * 1000 * 60, robot)
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registerForRelevantCardEvents(robot)
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}
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function registerForRelevantCardEvents (robot) {
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robot.on(['project_card.created', 'project_card.moved'], context => processChangedProjectCard(robot, context, undefined))
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}
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const last = (a, index) => {
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return a[a.length + index]
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}
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async function processExistingProjectCards (robot, context, stopScheduler) {
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stopScheduler(context.payload.repository)
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if (existingProjectsProcessed.contains(context.payload.repository.id)) {
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return
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}
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existingProjectsProcessed.add(context.payload.repository.id)
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const { github } = context
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const config = await getConfig(context, 'github-bot.yml', defaultConfig(robot, '.github/github-bot.yml'))
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const projectBoardConfig = config ? config['project-board'] : null
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const automatedTestsConfig = config ? config['automated-tests'] : null
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if (!projectBoardConfig || !automatedTestsConfig) {
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return
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}
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const repoInfo = context.repo()
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const projectBoardName = projectBoardConfig['name']
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const kickoffColumnName = automatedTestsConfig['kickoff-column-name']
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// Find 'Pipeline for QA' project
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const project = await gitHubHelpers.getRepoProjectByName(github, robot, repoInfo, projectBoardName, botName)
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if (!project) {
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robot.log.trace(`${botName} - Project doesn't have the specified project board`, repoInfo, projectBoardName)
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return
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}
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const allColumns = await github.paginate(
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github.projects.listColumns({ project_id: project.id }),
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res => res.data
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)
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const kickoffColumn = allColumns.find(c => c.name === kickoffColumnName)
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if (!kickoffColumn) {
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robot.log.debug(`${botName} - Kickoff column not found in project`, kickoffColumnName, allColumns, projectBoardName)
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return
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}
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const columnCards = await github.paginate(
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github.projects.listCards({ column_id: kickoffColumn.id }),
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res => res.data
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)
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robot.log.debug(`${botName} - Fetched ${columnCards.length} cards`, columnCards)
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for (const { url } of columnCards) {
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try {
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const cardId = last(url.split('/'), -1)
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const { data: card } = await github.projects.getCard({ card_id: cardId })
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await processChangedProjectCard(robot, context, { ...card, column_id: kickoffColumn.id })
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} catch (err) {
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robot.log.error(`${botName} - Unhandled exception while processing card: ${err}`, url)
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}
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}
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}
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async function processChangedProjectCard (robot, context, card) {
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const { github, payload } = context
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const repo = payload.repository
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const repoInfo = context.repo()
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if (!repoInfo.repo) {
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robot.log.debug(`${botName} - Repository info is not present in payload, ignoring`, context)
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return
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}
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if (!card) {
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card = payload.project_card
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}
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const config = await getConfig(context, 'github-bot.yml', defaultConfig(robot, '.github/github-bot.yml'))
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const projectBoardConfig = config ? config['project-board'] : null
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const automatedTestsConfig = config ? config['automated-tests'] : null
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if (!projectBoardConfig || !automatedTestsConfig) {
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return
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}
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robot.log.debug(`${botName} - Processing changed project card`, card)
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if (card.note) {
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robot.log.trace(`${botName} - Card is a note, ignoring`)
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return
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}
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const projectBoardName = projectBoardConfig['name']
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const kickoffColumnName = automatedTestsConfig['kickoff-column-name']
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if (repo.full_name !== automatedTestsConfig['repo-full-name']) {
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robot.log.trace(`${botName} - Pull request project doesn't match watched repo, exiting`, repo.full_name, automatedTestsConfig['repo-full-name'])
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return
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}
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let targetKickoffColumn
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try {
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const columnPayload = await github.projects.getColumn({ column_id: card.column_id })
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if (columnPayload.data.name !== kickoffColumnName) {
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robot.log.trace(`${botName} - Card column name doesn't match watched column name, exiting`, columnPayload.data.name, kickoffColumnName)
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return
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}
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targetKickoffColumn = columnPayload.data
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} catch (error) {
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robot.log.warn(`${botName} - Error while fetching project column`, card.column_id, error)
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return
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}
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try {
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const projectId = last(targetKickoffColumn.project_url.split('/'), -1)
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const projectPayload = await github.projects.get({ project_id: projectId })
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const project = projectPayload.data
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if (project.name !== projectBoardName) {
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robot.log.trace(`${botName} - Project board name doesn't match watched project board, exiting`, project.name, projectBoardName)
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return
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}
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} catch (error) {
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robot.log.warn(`${botName} - Error while fetching project column`, card.column_id, error)
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return
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}
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const prNumber = last(card.content_url.split('/'), -1)
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const fullJobName = automatedTestsConfig['job-full-name']
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await processPullRequest(context, robot, { ...repoInfo, number: prNumber }, fullJobName)
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}
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async function processPullRequest (context, robot, prInfo, fullJobName) {
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const { github } = context
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// Remove the PR from the pending PR list, if it is there
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pendingPullRequests.delete(prInfo.number)
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robot.log.debug(`${botName} - Removed PR #${prInfo.number} from queue, current queue length is ${pendingPullRequests.size}`)
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try {
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// Get detailed pull request
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const pullRequestPayload = await github.pullRequests.get(prInfo)
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const pullRequest = pullRequestPayload.data
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if (!pullRequest) {
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robot.log.warn(`${botName} - Could not find PR`, prInfo)
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return
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}
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if (pullRequest.state === 'closed') {
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robot.log.info(`${botName} - PR is closed, discarded`, prInfo)
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return
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}
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const statusContext = 'jenkins/prs/android-e2e'
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const currentStatus = await gitHubHelpers.getPullRequestCurrentStatusForContext(context, statusContext, pullRequest)
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switch (currentStatus) {
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case undefined:
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case 'pending':
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case 'failure':
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pendingPullRequests.set(prInfo.number, { context: context, prInfo, fullJobName: fullJobName })
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robot.log.debug(`${botName} - Status for ${statusContext} is '${currentStatus}', adding to backlog to check periodically, current queue length is ${pendingPullRequests.size}`, prInfo)
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return
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case 'error':
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robot.log.debug(`${botName} - Status for ${statusContext} is '${currentStatus}', exiting`, prInfo)
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return
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case 'success':
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robot.log.debug(`${botName} - Status for ${statusContext} is '${currentStatus}', proceeding`, prInfo)
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break
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default:
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robot.log.warn(`${botName} - Status for ${statusContext} is '${currentStatus}', ignoring`, prInfo)
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return
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}
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} catch (err) {
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robot.log.error(`Couldn't calculate the PR approval state: ${err}`, prInfo)
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return
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}
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try {
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const args = { parameters: { pr_id: prInfo.number, apk: `--apk=${prInfo.number}.apk` } }
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if (process.env.DRY_RUN) {
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robot.log(`${botName} - Would start ${fullJobName} job in Jenkins`, prInfo, args)
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} else {
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robot.log(`${botName} - Starting ${fullJobName} job in Jenkins`, prInfo, args)
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const buildId = await jenkins.job.build(fullJobName, args)
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robot.log(`${botName} - Started job in Jenkins`, prInfo, buildId)
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}
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} catch (error) {
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pendingPullRequests.set(prInfo.number, { context: context, prInfo: prInfo, fullJobName: fullJobName })
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robot.log.error(`${botName} - Error while triggering Jenkins build. Will retry later, current queue length is ${pendingPullRequests.size}`, prInfo, error)
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}
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}
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async function checkPendingPullRequests (robot) {
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const _pendingPullRequests = pendingPullRequests.clone()
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robot.log.debug(`${botName} - Processing ${_pendingPullRequests.size} pending PRs`)
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for (const { context, prInfo, fullJobName } of _pendingPullRequests.values()) {
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await processPullRequest(context, robot, prInfo, fullJobName)
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}
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robot.log.debug(`${botName} - Finished processing ${_pendingPullRequests.size} pending PRs`)
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}
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