build/azure-pipelines/common/createAsset.ts/main
async function main(): Promise<void> {
	const [, , product, os, arch, unprocessedType, fileName, filePath] = process.argv;
	// getPlatform needs the unprocessedType
	const platform = getPlatform(product, os, arch, unprocessedType);
	const type = getRealType(unprocessedType);
	const quality = getEnv('VSCODE_QUALITY');
	const commit = getEnv('BUILD_SOURCEVERSION');

	console.log('Creating asset...');

	const stat = await new Promise<fs.Stats>((c, e) => fs.stat(filePath, (err, stat) => err ? e(err) : c(stat)));
	const size = stat.size;

	console.log('Size:', size);

	const stream = fs.createReadStream(filePath);
	const [sha1hash, sha256hash] = await Promise.all([hashStream('sha1', stream), hashStream('sha256', stream)]);

	console.log('SHA1:', sha1hash);
	console.log('SHA256:', sha256hash);

	const blobName = commit + '/' + fileName;
	const storageAccount = process.env['AZURE_STORAGE_ACCOUNT_2']!;

	const blobService = azure.createBlobService(storageAccount, process.env['AZURE_STORAGE_ACCESS_KEY_2']!)
		.withFilter(new azure.ExponentialRetryPolicyFilter(20));

	const blobExists = await doesAssetExist(blobService, quality, blobName);

	if (blobExists) {
		console.log(`Blob ${quality}, ${blobName} already exists, not publishing again.`);
		return;
	}

	const mooncakeBlobService = azure.createBlobService(storageAccount, process.env['MOONCAKE_STORAGE_ACCESS_KEY']!, `${storageAccount}.blob.core.chinacloudapi.cn`)
		.withFilter(new azure.ExponentialRetryPolicyFilter(20));

	// mooncake is fussy and far away, this is needed!
	blobService.defaultClientRequestTimeoutInMs = 10 * 60 * 1000;
	mooncakeBlobService.defaultClientRequestTimeoutInMs = 10 * 60 * 1000;

	console.log('Uploading blobs to Azure storage and Mooncake Azure storage...');

	await retry(() => Promise.all([
		uploadBlob(blobService, quality, blobName, filePath, fileName),
		uploadBlob(mooncakeBlobService, quality, blobName, filePath, fileName)
	]));

	console.log('Blobs successfully uploaded.');

	// TODO: Understand if blobName and blobPath are the same and replace blobPath with blobName if so.
	const assetUrl = `${process.env['AZURE_CDN_URL']}/${quality}/${blobName}`;
	const blobPath = url.parse(assetUrl).path;
	const mooncakeUrl = `${process.env['MOONCAKE_CDN_URL']}${blobPath}`;

	const asset: Asset = {
		platform,
		type,
		url: assetUrl,
		hash: sha1hash,
		mooncakeUrl,
		sha256hash,
		size
	};

	// Remove this if we ever need to rollback fast updates for windows
	if (/win32/.test(platform)) {
		asset.supportsFastUpdate = true;
	}

	console.log('Asset:', JSON.stringify(asset, null, '  '));

	const client = new CosmosClient({ endpoint: process.env['AZURE_DOCUMENTDB_ENDPOINT']!, key: process.env['AZURE_DOCUMENTDB_MASTERKEY'] });
	const scripts = client.database('builds').container(quality).scripts;
	await retry(() => scripts.storedProcedure('createAsset').execute('', [commit, asset, true]));

	console.log(`  Done ✔️`);
}