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TeamCity: Create empty branch off tip of main to aid nightly-testing #187

TeamCity: Create empty branch off tip of main to aid nightly-testing

TeamCity: Create empty branch off tip of main to aid nightly-testing #187

name: "TeamCity: Create empty branch off tip of main to aid nightly-testing"
# To ensure nightly tests/builds run on the same commit, we checkout and create a new branch from main for TeamCity to run builds on
on:
workflow_call:
workflow_dispatch:
inputs:
dayThreshold:
default: '3'
schedule:
- cron: '0 3 * * *' # UTC 3AM (-7)-> 8PM PST
jobs:
rename-TC-nightly-branch:
if: github.repository == 'hashicorp/terraform-provider-google' || github.repository == 'hashicorp/terraform-provider-google-beta'
runs-on: ubuntu-latest
steps:
- uses: actions/github-script@e69ef5462fd455e02edcaf4dd7708eda96b9eda0 # v7.0.0
with:
retries: 3
retry-exempt-status-codes: 400, 401, 403, 404, 422
script: |
// Get yesterday's date, when the branch was originally made
const date = new Date()
date.setDate(date.getDate() -1);
// Get YYYY-MM-DD string
dateString = date.toJSON().slice(0, 10)
const oldBranchName = "nightly-test";
const newBranchName = "UTC-nightly-tests-" + dateString;
try{
await github.rest.repos.renameBranch({
owner: context.repo.owner,
repo: context.repo.repo,
branch: oldBranchName,
new_name: newBranchName,
})
} catch (error){
core.setFailed(error + "- Failed to rename branch to be used running tonight\'s tests")
}
console.log("Renamed branch " + oldBranchName + " to " + newBranchName)
nightly-test-branch-creation:
needs: rename-TC-nightly-branch
if: always()
runs-on: ubuntu-latest
steps:
- uses: actions/github-script@e69ef5462fd455e02edcaf4dd7708eda96b9eda0 # v7.0.0
with:
retries: 3
retry-exempt-status-codes: 400, 401, 403, 404, 422
script: |
let dateToday = new Date().toJSON().slice(0, 10);
const mainRef = await github.rest.git.getRef({
owner: context.repo.owner,
repo: context.repo.repo,
ref: "heads/main"
})
const branchName = "nightly-test";
const commitHash = mainRef.data.object.sha;
try{
await github.rest.git.createRef({
owner: context.repo.owner,
repo: context.repo.repo,
ref: "refs/heads/" + branchName,
sha: commitHash
})
} catch (error){
core.setFailed(error + "- Failed to create new branch to be used running tonight\'s tests; branch with name " + branchName + " already exists")
}
console.log("Created Branch: " + branchName + " using commit " + commitHash + " from main.")
sweeping-outdated-branches:
needs: rename-TC-nightly-branch
runs-on: ubuntu-latest
steps:
- uses: actions/github-script@e69ef5462fd455e02edcaf4dd7708eda96b9eda0 # v7.0.0
env:
DAYS_THRESHOLD: ${{ inputs.dayThreshold || '3'}} # this allows the default value to be 3 when triggered on schedule
with:
retries: 3
retry-exempt-status-codes: 400, 401, 403, 404, 422
script: |
const { DAYS_THRESHOLD } = process.env
console.log(`Removing nightly-test branches not made in the last ${DAYS_THRESHOLD} days`)
function dateDifference(dateToday, branchDate){
dateToday = new Date(dateToday)
branchDate = new Date(branchDate)
return (dateToday - branchDate) / 86_400_000 // calculates the difference in days based on milliseconds
}
async function branchSweeper(daysThreshold){
let dateToday = new Date().toJSON().slice(0, 10);
console.log("Today\'s date: ",dateToday);
// grab the list of branches then iterate through the list checking for the difference in days
const branchList = await github.rest.repos.listBranches({
owner: context.repo.owner,
repo: context.repo.repo,
protected: false
})
const filteredBranches = branchList.data.filter( (branch) => {
const branchDate = /^UTC-nightly-tests-\d{4}-\d{2}-\d{2}$/g.exec(branch.name)
return branchDate != null // skips if regex fails (is successful if matches with UTC-nightly-test branch format)
})
let branchesToDelete = []
for (let i = 0; i < filteredBranches.length; i++) {
const branchName = filteredBranches.at(i).name
const branchDate = /\d{4}-\d{1,2}-\d{1,2}/g.exec(branchName)
if (dateDifference(dateToday, branchDate[0]) >= daysThreshold) { // only happens if difference is greater than or equal to 3, we only want to keep the last 3 night branches
branchesToDelete.push(branchName)
}
}
console.log("branches to be deleted: " + branchesToDelete)
for (let i = 0; i < branchesToDelete.length; i++) {
const resp = await github.rest.git.deleteRef({
owner: context.repo.owner,
repo: context.repo.repo,
ref: "heads/" + branchesToDelete[i],
})
if (resp.status == "422"){
console.error("Branch doesn\'t exist")
} else{
console.log("Deleted branch: " + branchesToDelete[i])
}
}
}
branchSweeper(DAYS_THRESHOLD)