cdk-nextjs
Version:
Deploy Next.js apps on AWS with CDK
101 lines • 15.2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.pruneS3 = pruneS3;
// eslint-disable-next-line import/no-extraneous-dependencies
const client_s3_1 = require("@aws-sdk/client-s3");
const utils_1 = require("../utils");
const s3Client = new client_s3_1.S3Client();
// Maximum number of concurrent operations
const MAX_CONCURRENT_OPERATIONS = 50;
/**
* Given `bucketName`, `currentBuildId`, and `msTtl`, list all objects
* in the bucket and delete any that 1/ do not have a metadata key of "next-build-id"
* and value of `currentBuildId` and 2/ were created more than `msTtl` ago
*/
async function pruneS3(props) {
const { bucketName, currentBuildId, msTtl } = props;
const cutoffDate = new Date(Date.now() - msTtl);
const objectsToDelete = [];
let continuationToken = undefined;
let listObjectsCount = 0;
do {
// List objects in the bucket
const listObjectsV2Input = {
Bucket: bucketName,
ContinuationToken: continuationToken,
};
const listResponse = await s3Client.send(new client_s3_1.ListObjectsV2Command(listObjectsV2Input));
if (!listResponse.Contents || listResponse.Contents.length === 0) {
break;
}
// Filter out objects without keys
const oldObjects = listResponse.Contents.filter((obj) => {
const lastModified = obj.LastModified || new Date();
return obj.Key && lastModified < cutoffDate;
});
(0, utils_1.debug)(`Checking old objects metadata to determine pruning: ${oldObjects.map((o) => o.Key)}`);
// Process objects in parallel with controlled concurrency
const checkResults = await processBatch(oldObjects, MAX_CONCURRENT_OPERATIONS, async (object) => {
if (!object.Key)
return null;
try {
const headResponse = await s3Client.send(new client_s3_1.HeadObjectCommand({
Bucket: bucketName,
Key: object.Key,
}));
const objectBuildId = headResponse.Metadata?.["next-build-id"];
// Return the key if it should be deleted
if (objectBuildId !== currentBuildId) {
return { Key: object.Key };
}
}
catch (error) {
console.error(`Error checking object ${object.Key}:`, error);
}
return null;
});
// Add valid objects to delete list
objectsToDelete.push(...checkResults.filter(Boolean));
if (listResponse.NextContinuationToken) {
continuationToken = listResponse.NextContinuationToken;
}
listObjectsCount++;
// assume less than 100K objects (100 * 1K objects per ListObjectsV2Command = 100K)
} while (continuationToken && listObjectsCount <= 100);
// Delete objects in parallel batches (respecting S3's 1000 objects per request limit)
if (objectsToDelete.length > 0) {
const deleteBatches = [];
for (let i = 0; i < objectsToDelete.length; i += 1000) {
const batch = objectsToDelete.slice(i, i + 1000);
deleteBatches.push(batch);
}
await processBatch(deleteBatches, 5, // Process up to 5 delete batches in parallel
async (batch) => {
try {
(0, utils_1.debug)(`Deleting objects: ${batch.map((b) => b.Key)} from ${bucketName}`);
await s3Client.send(new client_s3_1.DeleteObjectsCommand({
Bucket: bucketName,
Delete: { Objects: batch },
}));
(0, utils_1.debug)(`Deleted ${batch.length} objects from ${bucketName}`);
}
catch (error) {
console.error("Error deleting objects:", error);
}
});
}
(0, utils_1.debug)(`Pruning complete. Deleted ${objectsToDelete.length} objects from ${bucketName}`);
}
/**
* Process objects in batches to avoid overwhelming the system
*/
async function processBatch(items, batchSize, processFn) {
const results = [];
for (let i = 0; i < items.length; i += batchSize) {
const batch = items.slice(i, i + batchSize);
const batchResults = await Promise.all(batch.map(processFn));
results.push(...batchResults);
}
return results;
}
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msTtl);\n  const objectsToDelete: { Key: string }[] = [];\n\n  let continuationToken: string | undefined = undefined;\n  let listObjectsCount = 0;\n\n  do {\n    // List objects in the bucket\n    const listObjectsV2Input: ListObjectsV2CommandInput = {\n      Bucket: bucketName,\n      ContinuationToken: continuationToken,\n    };\n    const listResponse = await s3Client.send(\n      new ListObjectsV2Command(listObjectsV2Input),\n    );\n\n    if (!listResponse.Contents || listResponse.Contents.length === 0) {\n      break;\n    }\n\n    // Filter out objects without keys\n    const oldObjects = listResponse.Contents.filter((obj) => {\n      const lastModified = obj.LastModified || new Date();\n      return obj.Key && lastModified < cutoffDate;\n    });\n    debug(\n      `Checking old objects metadata to determine pruning: ${oldObjects.map((o) => o.Key)}`,\n    );\n\n    // Process objects in parallel with controlled concurrency\n    const checkResults = await processBatch(\n      oldObjects,\n      MAX_CONCURRENT_OPERATIONS,\n      async (object) => {\n        if (!object.Key) return null;\n\n        try {\n          const headResponse = await s3Client.send(\n            new HeadObjectCommand({\n              Bucket: bucketName,\n              Key: object.Key,\n            }),\n          );\n\n          const objectBuildId = headResponse.Metadata?.[\"next-build-id\"];\n\n          // Return the key if it should be deleted\n          if (objectBuildId !== currentBuildId) {\n            return { Key: object.Key };\n          }\n        } catch (error) {\n          console.error(`Error checking object ${object.Key}:`, error);\n        }\n\n        return null;\n      },\n    );\n\n    // Add valid objects to delete list\n    objectsToDelete.push(\n      ...(checkResults.filter(Boolean) as { Key: string }[]),\n    );\n\n    if (listResponse.NextContinuationToken) {\n      continuationToken = listResponse.NextContinuationToken;\n    }\n    listObjectsCount++;\n    // assume less than 100K objects (100 * 1K objects per ListObjectsV2Command = 100K)\n  } while (continuationToken && listObjectsCount <= 100);\n\n  // Delete objects in parallel batches (respecting S3's 1000 objects per request limit)\n  if (objectsToDelete.length > 0) {\n    const deleteBatches = [];\n\n    for (let i = 0; i < objectsToDelete.length; i += 1000) {\n      const batch = objectsToDelete.slice(i, i + 1000);\n      deleteBatches.push(batch);\n    }\n\n    await processBatch(\n      deleteBatches,\n      5, // Process up to 5 delete batches in parallel\n      async (batch) => {\n        try {\n          debug(\n            `Deleting objects: ${batch.map((b) => b.Key)} from ${bucketName}`,\n          );\n          await s3Client.send(\n            new DeleteObjectsCommand({\n              Bucket: bucketName,\n              Delete: { Objects: batch },\n            }),\n          );\n          debug(`Deleted ${batch.length} objects from ${bucketName}`);\n        } catch (error) {\n          console.error(\"Error deleting objects:\", error);\n        }\n      },\n    );\n  }\n\n  debug(\n    `Pruning complete. Deleted ${objectsToDelete.length} objects from ${bucketName}`,\n  );\n}\n\n/**\n * Process objects in batches to avoid overwhelming the system\n */\nasync function processBatch<T, R>(\n  items: T[],\n  batchSize: number,\n  processFn: (item: T) => Promise<R>,\n): Promise<R[]> {\n  const results: R[] = [];\n\n  for (let i = 0; i < items.length; i += batchSize) {\n    const batch = items.slice(i, i + batchSize);\n    const batchResults = await Promise.all(batch.map(processFn));\n    results.push(...batchResults);\n  }\n\n  return results;\n}\n"]}