@cloudsnorkel/cdk-github-runners
Version:
CDK construct to create GitHub Actions self-hosted runners. Creates ephemeral runners on demand. Easy to deploy and highly customizable.
66 lines • 8.5 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.handler = handler;
const lambda_github_1 = require("./lambda-github");
class RunnerBusy extends Error {
constructor(msg) {
super(msg);
this.name = 'RunnerBusy';
Object.setPrototypeOf(this, RunnerBusy.prototype);
}
}
class ReraisedError extends Error {
constructor(event) {
super(event.error.Cause);
this.name = event.error.Error;
this.message = event.error.Cause;
Object.setPrototypeOf(this, ReraisedError.prototype);
}
}
async function handler(event) {
const { octokit, githubSecrets } = await (0, lambda_github_1.getOctokit)(event.installationId);
// find runner id
const runner = await (0, lambda_github_1.getRunner)(octokit, githubSecrets.runnerLevel, event.owner, event.repo, event.runnerName);
if (!runner) {
console.error({
notice: 'Unable to find runner id',
owner: event.owner,
repo: event.repo,
runnerName: event.runnerName,
});
throw new ReraisedError(event);
}
console.log({
notice: 'Found runner id',
runnerName: event.runnerName,
runnerId: runner.id,
owner: event.owner,
repo: event.repo,
});
// delete runner (it usually gets deleted by ./run.sh, but it stopped prematurely if we're here).
// it seems like runners are automatically removed after a timeout, if they first accepted a job.
// we try removing it anyway for cases where a job wasn't accepted, and just in case it wasn't removed.
// repos have a limited number of self-hosted runners, so we can't leave dead ones behind.
try {
await (0, lambda_github_1.deleteRunner)(octokit, githubSecrets.runnerLevel, event.owner, event.repo, runner.id);
}
catch (e) {
const reqError = e;
if (reqError.message.includes('is still running a job')) {
// ideally we would stop the job that's hanging on this failed runner, but GitHub Actions only has API to stop the entire workflow
throw new RunnerBusy(reqError.message);
}
else {
console.error({
notice: 'Unable to delete runner',
owner: event.owner,
repo: event.repo,
runnerId: runner.id,
runnerName: event.runnerName,
error: e,
});
}
}
throw new ReraisedError(event);
}
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