@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.
150 lines • 19.2 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.clearFailuresCache = clearFailuresCache;
exports.handler = handler;
const lambda_github_1 = require("./lambda-github");
/**
* Get webhook delivery failures since the last processed delivery ID.
*
* @internal
*/
async function newDeliveryFailures(octokit, sinceId) {
const deliveries = new Map();
const successfulDeliveries = new Set();
const timeLimitMs = 1000 * 60 * 30; // don't look at deliveries over 30 minutes old
let lastId = 0n;
let processedCount = 0;
for await (const response of octokit.paginate.iterator('GET /app/hook/deliveries')) {
if (response.status !== 200) {
throw new Error('Failed to fetch webhook deliveries');
}
for (const delivery of response.data) {
const deliveryId = BigInt(delivery.id);
const deliveredAt = new Date(delivery.delivered_at);
const success = delivery.status === 'OK';
if (deliveryId <= sinceId) {
// stop processing if we reach the last processed delivery ID
console.info({
notice: 'Reached last processed delivery ID',
sinceId: String(sinceId),
deliveryId: String(deliveryId),
guid: delivery.guid,
processedCount,
});
return { deliveries, lastId };
}
lastId = deliveryId > lastId ? deliveryId : lastId;
if (deliveredAt.getTime() < Date.now() - timeLimitMs) {
// stop processing if the delivery is too old (for first iteration and performance of further iterations)
console.info({
notice: 'Stopping at old delivery',
deliveryId: String(deliveryId),
guid: delivery.guid,
deliveredAt: deliveredAt,
processedCount,
});
return { deliveries, lastId };
}
console.debug({
notice: 'Processing webhook delivery',
deliveryId: String(deliveryId),
guid: delivery.guid,
status: delivery.status,
deliveredAt: delivery.delivered_at,
redelivery: delivery.redelivery,
});
processedCount++;
if (success) {
successfulDeliveries.add(delivery.guid);
continue;
}
if (successfulDeliveries.has(delivery.guid)) {
// do not redeliver deliveries that were already successful
continue;
}
deliveries.set(delivery.guid, { id: deliveryId, deliveredAt, redelivery: delivery.redelivery });
}
}
console.info({
notice: 'No more webhook deliveries to process',
deliveryId: 'DONE',
guid: 'DONE',
deliveredAt: 'DONE',
processedCount,
});
return { deliveries, lastId };
}
let lastDeliveryIdProcessed = 0n;
const failures = new Map();
/**
* Clear the cache of webhook delivery failures.
*
* For unit testing purposes only.
*
* @internal
*/
function clearFailuresCache() {
lastDeliveryIdProcessed = 0n;
failures.clear();
}
async function handler() {
const octokit = await (0, lambda_github_1.getAppOctokit)();
if (!octokit) {
console.info({
notice: 'Skipping webhook redelivery',
reason: 'App installation might not be configured or the app is not installed.',
});
return;
}
// fetch deliveries since the last processed delivery ID
// for any failures:
// 1. if this is not a redelivery, save the delivery ID and time, and finally retry
// 2. if this is a redelivery, check if the original delivery is still within the time limit and retry if it is
const { deliveries, lastId } = await newDeliveryFailures(octokit, lastDeliveryIdProcessed);
lastDeliveryIdProcessed = lastId > lastDeliveryIdProcessed ? lastId : lastDeliveryIdProcessed;
const timeLimitMs = 1000 * 60 * 60 * 3; // retry for up to 3 hours
for (const [guid, details] of deliveries) {
if (!details.redelivery) {
failures.set(guid, { id: details.id, firstDeliveredAt: details.deliveredAt });
console.log({
notice: 'Redelivering failed delivery',
deliveryId: String(details.id),
guid: guid,
firstDeliveredAt: details.deliveredAt,
});
await (0, lambda_github_1.redeliver)(octokit, details.id);
}
else {
// if this is a redelivery, check if the original delivery is still within the time limit
const originalFailure = failures.get(guid);
if (originalFailure) {
if (new Date().getTime() - originalFailure.firstDeliveredAt.getTime() < timeLimitMs) {
console.log({
notice: 'Redelivering failed delivery',
deliveryId: String(details.id),
guid: guid,
firstDeliveredAt: originalFailure.firstDeliveredAt,
});
await (0, lambda_github_1.redeliver)(octokit, details.id);
}
else {
failures.delete(guid); // no need to keep track of this anymore
console.log({
notice: 'Skipping redelivery of old failed delivery',
deliveryId: String(details.id),
guid: guid,
firstDeliveredAt: originalFailure?.firstDeliveredAt,
});
}
}
else {
console.log({
notice: 'Skipping redelivery of old failed delivery',
deliveryId: String(details.id),
guid: guid,
});
}
}
}
}
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deliveredAt: Date; redelivery: boolean }> = new Map();\n  const successfulDeliveries: Set<string> = new Set();\n  const timeLimitMs = 1000 * 60 * 30; // don't look at deliveries over 30 minutes old\n  let lastId = 0n;\n  let processedCount = 0;\n\n  for await (const response of octokit.paginate.iterator('GET /app/hook/deliveries')) {\n    if (response.status !== 200) {\n      throw new Error('Failed to fetch webhook deliveries');\n    }\n\n    for (const delivery of response.data) {\n      const deliveryId = BigInt(delivery.id);\n      const deliveredAt = new Date(delivery.delivered_at);\n      const success = delivery.status === 'OK';\n\n      if (deliveryId <= sinceId) {\n        // stop processing if we reach the last processed delivery ID\n        console.info({\n          notice: 'Reached last processed delivery ID',\n          sinceId: String(sinceId),\n          deliveryId: String(deliveryId),\n          guid: delivery.guid,\n          processedCount,\n        });\n        return { deliveries, lastId };\n      }\n\n      lastId = deliveryId > lastId ? deliveryId : lastId;\n\n      if (deliveredAt.getTime() < Date.now() - timeLimitMs) {\n        // stop processing if the delivery is too old (for first iteration and performance of further iterations)\n        console.info({\n          notice: 'Stopping at old delivery',\n          deliveryId: String(deliveryId),\n          guid: delivery.guid,\n          deliveredAt: deliveredAt,\n          processedCount,\n        });\n        return { deliveries, lastId };\n      }\n\n      console.debug({\n        notice: 'Processing webhook delivery',\n        deliveryId: String(deliveryId),\n        guid: delivery.guid,\n        status: delivery.status,\n        deliveredAt: delivery.delivered_at,\n        redelivery: delivery.redelivery,\n      });\n      processedCount++;\n\n      if (success) {\n        successfulDeliveries.add(delivery.guid);\n        continue;\n      }\n\n      if (successfulDeliveries.has(delivery.guid)) {\n        // do not redeliver deliveries that were already successful\n        continue;\n      }\n\n      deliveries.set(delivery.guid, { id: deliveryId, deliveredAt, redelivery: delivery.redelivery });\n    }\n  }\n\n  console.info({\n    notice: 'No more webhook deliveries to process',\n    deliveryId: 'DONE',\n    guid: 'DONE',\n    deliveredAt: 'DONE',\n    processedCount,\n  });\n\n  return { deliveries, lastId };\n}\n\nlet lastDeliveryIdProcessed = 0n;\nconst failures: Map<string, { id: bigint; firstDeliveredAt: Date }> = new Map();\n\n/**\n * Clear the cache of webhook delivery failures.\n *\n * For unit testing purposes only.\n *\n * @internal\n */\nexport function clearFailuresCache() {\n  lastDeliveryIdProcessed = 0n;\n  failures.clear();\n}\n\nexport async function handler() {\n  const octokit = await getAppOctokit();\n  if (!octokit) {\n    console.info({\n      notice: 'Skipping webhook redelivery',\n      reason: 'App installation might not be configured or the app is not installed.',\n    });\n    return;\n  }\n\n  // fetch deliveries since the last processed delivery ID\n  // for any failures:\n  //  1. if this is not a redelivery, save the delivery ID and time, and finally retry\n  //  2. if this is a redelivery, check if the original delivery is still within the time limit and retry if it is\n  const { deliveries, lastId } = await newDeliveryFailures(octokit, lastDeliveryIdProcessed);\n  lastDeliveryIdProcessed = lastId > lastDeliveryIdProcessed ? lastId : lastDeliveryIdProcessed;\n  const timeLimitMs = 1000 * 60 * 60 * 3; // retry for up to 3 hours\n  for (const [guid, details] of deliveries) {\n    if (!details.redelivery) {\n      failures.set(guid, { id: details.id, firstDeliveredAt: details.deliveredAt });\n      console.log({\n        notice: 'Redelivering failed delivery',\n        deliveryId: String(details.id),\n        guid: guid,\n        firstDeliveredAt: details.deliveredAt,\n      });\n      await redeliver(octokit, details.id);\n    } else {\n      // if this is a redelivery, check if the original delivery is still within the time limit\n      const originalFailure = failures.get(guid);\n      if (originalFailure) {\n        if (new Date().getTime() - originalFailure.firstDeliveredAt.getTime() < timeLimitMs) {\n          console.log({\n            notice: 'Redelivering failed delivery',\n            deliveryId: String(details.id),\n            guid: guid,\n            firstDeliveredAt: originalFailure.firstDeliveredAt,\n          });\n          await redeliver(octokit, details.id);\n        } else {\n          failures.delete(guid); // no need to keep track of this anymore\n          console.log({\n            notice: 'Skipping redelivery of old failed delivery',\n            deliveryId: String(details.id),\n            guid: guid,\n            firstDeliveredAt: originalFailure?.firstDeliveredAt,\n          });\n        }\n      } else {\n        console.log({\n          notice: 'Skipping redelivery of old failed delivery',\n          deliveryId: String(details.id),\n          guid: guid,\n        });\n      }\n    }\n  }\n}\n"]}