status-github-bot/scripts/assign-approved-pr-to-test.js

269 lines
9.3 KiB
JavaScript

// Description:
// Script that listens to GitHub pull reviews
// and assigns the PR to TO TEST column on the "Pipeline for QA" project
//
// Dependencies:
// github: "^13.1.0"
// probot-config: "^0.1.0"
// probot-scheduler: "^1.0.3"
// probot-slack-status: "^0.2.2"
//
// Author:
// PombeirP
const getConfig = require('probot-config')
const defaultConfig = require('../lib/config')
const createScheduler = require('probot-scheduler')
const Slack = require('probot-slack-status')
let slackClient = null
module.exports = function(robot) {
// robot.on('slack.connected', ({ slack }) => {
Slack(robot, (slack) => {
robot.log.trace("Connected, assigned slackClient")
slackClient = slack
})
createScheduler(robot, { interval: 10 * 60 * 1000 })
robot.on('schedule.repository', context => checkOpenPullRequests(robot, context))
}
async function getReviewApprovalState(github, robot, repo, pullRequest) {
const ownerName = repo.owner.login
const repoName = repo.name
const prNumber = pullRequest.number
const threshold = 2
var finalReviewsMap = new Map()
const ghreviews = await github.paginate(
github.pullRequests.getReviews({owner: ownerName, repo: repoName, number: prNumber}),
res => res.data)
for (var review of ghreviews) {
finalReviewsMap.set(review.user.id, review.state)
}
var finalReviews = Array.from(finalReviewsMap.values())
if (process.env.DRY_RUN_PR_TO_TEST) {
robot.log.debug(finalReviews)
}
const approvedReviews = finalReviews.filter(reviewState => reviewState === 'APPROVED')
if (approvedReviews.length >= threshold) {
const reviewsWithChangesRequested = finalReviews.filter(reviewState => reviewState === 'CHANGES_REQUESTED')
if (reviewsWithChangesRequested.length == 0) {
var isGreen = await isStatusGreen(github, robot, repo, pullRequest)
if (isGreen) {
return 'approved'
}
}
}
return 'pending'
}
async function isStatusGreen(github, robot, repo, pullRequest) {
const ownerName = repo.owner.login
const repoName = repo.name
// Accumulate all the statuses by chronological order and check if we have a green light
var finalStatesMap = new Map()
const ghstatuses = await github.paginate(
github.repos.getStatuses({owner: ownerName, repo: repoName, ref: pullRequest.head.sha}),
res => res.data)
var sortedStatuses = Array.from(ghstatuses).sort((a, b) => {
if (a.updated_at < b.updated_at) {
return -1
}
if (a.updated_at > b.updated_at) {
return 1
}
// dates must be equal
return 0
})
for (var status of sortedStatuses) {
finalStatesMap.set(status.context, status.state)
}
var finalStates = Array.from(finalStatesMap.values())
const statusStates = finalStates.filter(state => state === 'success')
if (process.env.DRY_RUN_PR_TO_TEST) {
robot.log.debug(finalStates)
}
return statusStates.length == finalStates.length
}
async function getProjectFromName(github, ownerName, repoName, projectBoardName) {
ghprojects = await github.projects.getRepoProjects({
owner: ownerName,
repo: repoName,
state: "open"
})
return ghprojects.data.find(p => p.name === projectBoardName)
}
async function getProjectCardForPullRequest(github, robot, columnId, pullRequestUrl) {
const ghcards = await github.projects.getProjectCards({column_id: columnId})
ghcard = ghcards.data.find(c => c.content_url === pullRequestUrl)
return ghcard
}
async function checkOpenPullRequests(robot, context) {
const github = context.github
const repo = context.payload.repository
const ownerName = repo.owner.login
const repoName = repo.name
//const config = await getConfig(context, 'github-bot.yml', defaultConfig(robot, '.github/github-bot.yml'))
const config = defaultConfig(robot, '.github/github-bot.yml')
const projectBoardConfig = config['project-board']
if (!projectBoardConfig) {
return
}
const reviewColumnName = projectBoardConfig['review-column-name']
const testColumnName = projectBoardConfig['test-column-name']
// Fetch repo projects
// TODO: The repo project and project column info should be cached
// in order to improve performance and reduce roundtrips
try {
// Find "Pipeline for QA" project
project = await getProjectFromName(github, ownerName, repoName, projectBoardConfig.name)
if (!project) {
robot.log.error(`Couldn't find project ${projectBoardConfig.name} in repo ${ownerName}/${repoName}`)
return
}
robot.log.debug(`Fetched ${project.name} project (${project.id})`)
// Fetch column IDs
try {
ghcolumns = await github.projects.getProjectColumns({ project_id: project.id })
} catch (err) {
robot.log.error(`Couldn't fetch the github columns for project: ${err}`, ownerName, repoName, project.id)
return
}
const reviewColumn = ghcolumns.data.find(c => c.name === reviewColumnName)
if (!reviewColumn) {
robot.log.error(`Couldn't find ${reviewColumnName} column in project ${project.name}`)
return
}
const testColumn = ghcolumns.data.find(c => c.name === testColumnName)
if (!testColumn) {
robot.log.error(`Couldn't find ${testColumnName} column in project ${project.name}`)
return
}
robot.log.debug(`Fetched ${reviewColumn.name} (${reviewColumn.id}), ${testColumn.name} (${testColumn.id}) columns`)
// Gather all open PRs in this repo
const allPullRequests = await github.paginate(
github.pullRequests.getAll({owner: ownerName, repo: repoName}),
res => res.data
)
// And make sure they are assigned to the correct prject column
for (var pullRequest of allPullRequests) {
await assignPullRequestToCorrectColumn(github, robot, repo, pullRequest, reviewColumn, testColumn, config.slack.notification.room)
}
} catch (err) {
robot.log.error(`Couldn't fetch the github projects for repo: ${err}`, ownerName, repoName)
}
}
async function assignPullRequestToCorrectColumn(github, robot, repo, pullRequest, reviewColumn, testColumn, room) {
const ownerName = repo.owner.login
const repoName = repo.name
const prNumber = pullRequest.number
try {
state = await getReviewApprovalState(github, robot, repo, pullRequest)
} catch (err) {
robot.log.error(`Couldn't calculate the PR approval state: ${err}`, ownerName, repoName, prNumber)
}
if (state === 'approved') {
srcColumn = reviewColumn
dstColumn = testColumn
} else {
srcColumn = testColumn
dstColumn = reviewColumn
}
robot.log.debug(`assignPullRequestToTest - Handling Pull Request #${prNumber} on repo ${ownerName}/${repoName}. PR should be in ${dstColumn.name} column`)
// Look for PR card in source column
let ghcard = null
try {
ghcard = await getProjectCardForPullRequest(github, robot, srcColumn.id, pullRequest.issue_url)
} catch (err) {
robot.log.error(`Failed to retrieve project card for the PR, aborting: ${err}`, srcColumn.id, pullRequest.issue_url)
return
}
if (ghcard) {
// Move PR card to the destination column
try {
robot.log.trace(`Found card in source column`, ghcard.id, srcColumn.id)
if (!process.env.DRY_RUN && !process.env.DRY_RUN_PR_TO_TEST) {
// Found in the source column, let's move it to the destination column
await github.projects.moveProjectCard({id: ghcard.id, position: 'bottom', column_id: dstColumn.id})
}
robot.log.info(`Moved card ${ghcard.id} to ${dstColumn.name} for PR #${prNumber}`)
} catch (err) {
const slackHelper = require('../lib/slack')
robot.log.error(`Couldn't move project card for the PR: ${err}`, srcColumn.id, dstColumn.id, pullRequest.id)
if (!process.env.DRY_RUN_PR_TO_TEST) {
slackHelper.sendMessage(robot, slackClient, room, `I couldn't move the PR to ${dstColumnName} column :confused:\n${pullRequest.html_url}`)
}
return
}
} else {
try {
robot.log.debug(`Didn't find card in source column`, srcColumn.id)
// Look for PR card in destination column
try {
ghcard = await getProjectCardForPullRequest(github, robot, dstColumn.id, pullRequest.issue_url)
if (ghcard) {
robot.log.trace(`Found card in target column, ignoring`, ghcard.id, dstColumn.id)
return
}
} catch (err) {
robot.log.error(`Failed to retrieve project card for the PR, aborting: ${err}`, dstColumn.id, pullRequest.issue_url)
return
}
if (!process.env.DRY_RUN && !process.env.DRY_RUN_PR_TO_TEST) {
// It wasn't in either the source nor the destination columns, let's create a new card for it in the destination column
ghcard = await github.projects.createProjectCard({
column_id: dstColumn.id,
content_type: 'PullRequest',
content_id: pullRequest.id
})
robot.log.info(`Created card ${ghcard.data.id} in ${dstColumn.name} for PR #${prNumber}`)
}
} catch (err) {
// We normally arrive here because there is already a card for the PR in another column
robot.log.debug(`Couldn't create project card for the PR: ${err}`, dstColumn.id, pullRequest.id)
return
}
}
if (!process.env.DRY_RUN_PR_TO_TEST) {
const slackHelper = require('../lib/slack')
slackHelper.sendMessage(robot, slackClient, room, `Assigned PR to ${dstColumn.name} column\n${pullRequest.html_url}`)
}
}