feat(gerrit-tvl): add Buildkite-backed Checks plugin implementation

This small(*) pile of JavaScript queries the Buildkite API for the
latest builds for the depot and displays the results in the rebooted
Check UI.

Change-Id: I7025a1c6d0d0afa000a9df4682133e03824ea10d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2881
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
This commit is contained in:
Luke Granger-Brown 2021-04-06 21:01:22 +01:00 committed by lukegb
parent 21765a1407
commit 6d008f6412

View file

@ -1,3 +1,134 @@
// vim: set noai ts=2 sw=2 et: */
// This is a read-only Buildkite token: it was generated by lukegb@, and has
// read_builds, read_build_logs, and read_pipelines permissions.
const BUILDKITE_TOKEN = 'a150658fb61062e432f13a032962d70fa9352088';
function encodeParams(p) {
const pieces = [];
for (let k of Object.getOwnPropertyNames(p)) {
pieces.push(`${encodeURIComponent(k)}=${encodeURIComponent(p[k])}`);
}
return pieces.join('&');
}
function formatDuration(from, to) {
const millisecondsTook = Math.floor(to.valueOf() - from.valueOf());
if (millisecondsTook < 2000) return `${millisecondsTook} ms`;
const secondsTook = Math.floor(millisecondsTook / 1000);
if (secondsTook < 100) return `${secondsTook} seconds`;
const minutesTook = Math.floor(secondsTook / 60);
if (minutesTook < 60) return `${minutesTook} minutes`;
const hoursTook = Math.floor(minutesTook / 60);
const minutesRemainder = minutesTook - (hoursTook * 60);
return `${hoursTook}hr ${minutesRemainder}min`;
}
const tvlChecksProvider = {
async fetch(change) {
let {changeNumber, patchsetNumber, repo} = change;
const experiments = window.ENABLED_EXPERIMENTS || [];
if (experiments.includes("UiFeature__tvl_check_debug")) {
changeNumber = 2872;
patchsetNumber = 4;
repo = 'depot';
}
if (repo !== 'depot') {
// We only handle TVL's depot at the moment.
return {responseCode: 'OK'};
}
const params = {
// besadii uses the patchset ref as the branch name.
branch: `refs/changes/${changeNumber.toString().slice(-2)}/${changeNumber}/${patchsetNumber}`,
};
const url = `https://api.buildkite.com/v2/organizations/tvl/pipelines/depot/builds?${encodeParams(params)}`;
const resp = await fetch(url, {
headers: {
Authorization: `Bearer ${BUILDKITE_TOKEN}`,
},
});
const respJSON = await resp.json();
const runs = [];
for (let i = 0; i < respJSON.length; i++) {
const attempt = respJSON.length - i;
const build = respJSON[i];
for (let job of build.jobs) {
// TODO(lukegb): add the ability to retry these (sometimes whitby runs out of disk...)
const checkRun = {
attempt: attempt,
externalId: job.id,
checkName: job.name,
checkDescription: job.command,
checkLink: job.web_url,
status: {
'running': 'RUNNING',
'scheduled': 'RUNNABLE',
'passed': 'COMPLETED',
'failed': 'COMPLETED',
'blocked': 'RUNNABLE',
'canceled': 'COMPLETED',
'canceling': 'RUNNING',
'skipped': 'COMPLETED',
'not_run': 'COMPLETED',
}[job.state],
labelName: 'Verified',
};
if (job.scheduled_at) {
checkRun.scheduledTimestamp = new Date(job.scheduled_at);
}
if (job.started_at) {
checkRun.startedTimestamp = new Date(job.started_at);
}
if (job.finished_at) {
checkRun.finishedTimestamp = new Date(job.finished_at);
}
let statusDescription = job.state;
if (checkRun.startedTimestamp && checkRun.finishedTimestamp) {
statusDescription = `${statusDescription} in ${formatDuration(checkRun.startedTimestamp, checkRun.finishedTimestamp)}`;
} else if (checkRun.startedTimestamp) {
statusDescription = `${statusDescription} for ${formatDuration(checkRun.startedTimestamp, new Date())}`;
} else if (checkRun.scheduledTimestamp) {
statusDescription = `${statusDescription} for ${formatDuration(checkRun.scheduledTimestamp, new Date())}`;
}
checkRun.statusDescription = statusDescription;
if (job.state === 'failed') {
const result = {
// TODO(lukegb): get the log as the message here (the Gerrit
// implementation doesn't yet seem to support newlines in message
// strings...)
links: [{
url: job.web_url,
tooltip: "Buildkite",
primary: true,
icon: 'EXTERNAL',
}],
category: 'ERROR',
summary: `${job.command} failed`,
};
checkRun.results = [result];
}
console.log(checkRun);
runs.push(checkRun);
}
}
return {
responseCode: 'OK',
runs: runs,
};
},
};
Gerrit.install(plugin => { Gerrit.install(plugin => {
console.log('TVL plugin initialising'); console.log('TVL plugin initialising');
plugin.checks().register(tvlChecksProvider);
}); });