add compression level input

action.yml

@@ -1,7 +1,7 @@
 name: 'Upload a Build Artifact'
 description: 'Upload a build artifact that can be used by subsequent workflow steps'
 author: 'GitHub'
-inputs: 
+inputs:
   name:
     description: 'Artifact name'
     default: 'artifact'
@@ -23,6 +23,18 @@ inputs:
 
       Minimum 1 day.
       Maximum 90 days unless changed from the repository settings page.
+  compression-level:
+    description: >
+      The level of compression for Zlib to be applied to the artifact archive.
+      The value can range from 0 to 9:
+      - 0: No compression
+      - 1: Best speed
+      - 6: Default compression (same as GNU Gzip)
+      - 9: Best compression
+      Higher levels will result in better compression, but will take longer to complete.
+      For large files that are not easily compressed, a value of 0 is recommended for significantly faster uploads.
+    default: '6'
+
 outputs:
   artifact-id:
     description: >

dist/index.js

@@ -5126,12 +5126,16 @@ exports.createArtifactTwirpClient = createArtifactTwirpClient;
 /***/ }),
 
 /***/ 95042:
-/***/ ((__unused_webpack_module, exports) => {
+/***/ (function(__unused_webpack_module, exports, __nccwpck_require__) {
 
 "use strict";
 
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.getGitHubWorkspaceDir = exports.isGhes = exports.getResultsServiceUrl = exports.getRuntimeToken = exports.getUploadChunkSize = void 0;
+exports.getConcurrency = exports.getGitHubWorkspaceDir = exports.isGhes = exports.getResultsServiceUrl = exports.getRuntimeToken = exports.getUploadChunkSize = void 0;
+const os_1 = __importDefault(__nccwpck_require__(22037));
 // Used for controlling the highWaterMark value of the zip that is being streamed
 // The same value is used as the chunk size that is use during upload to blob storage
 function getUploadChunkSize() {
@@ -5167,6 +5171,18 @@ function getGitHubWorkspaceDir() {
     return ghWorkspaceDir;
 }
 exports.getGitHubWorkspaceDir = getGitHubWorkspaceDir;
+// Mimics behavior of azcopy: https://learn.microsoft.com/en-us/azure/storage/common/storage-use-azcopy-optimize
+// If your machine has fewer than 5 CPUs, then the value of this variable is set to 32.
+// Otherwise, the default value is equal to 16 multiplied by the number of CPUs. The maximum value of this variable is 300.
+function getConcurrency() {
+    const numCPUs = os_1.default.cpus().length;
+    if (numCPUs <= 4) {
+        return 32;
+    }
+    const concurrency = 16 * numCPUs;
+    return concurrency > 300 ? 300 : concurrency;
+}
+exports.getConcurrency = getConcurrency;
 //# sourceMappingURL=config.js.map
 
 /***/ }),
@@ -5309,11 +5325,11 @@ const stream = __importStar(__nccwpck_require__(12781));
 function uploadZipToBlobStorage(authenticatedUploadURL, zipUploadStream) {
     return __awaiter(this, void 0, void 0, function* () {
         let uploadByteCount = 0;
-        const maxBuffers = 5;
+        const maxConcurrency = (0, config_1.getConcurrency)();
         const bufferSize = (0, config_1.getUploadChunkSize)();
         const blobClient = new storage_blob_1.BlobClient(authenticatedUploadURL);
         const blockBlobClient = blobClient.getBlockBlobClient();
-        core.debug(`Uploading artifact zip to blob storage with maxBuffers: ${maxBuffers}, bufferSize: ${bufferSize}`);
+        core.debug(`Uploading artifact zip to blob storage with maxConcurrency: ${maxConcurrency}, bufferSize: ${bufferSize}`);
         const uploadCallback = (progress) => {
             core.info(`Uploaded bytes ${progress.loadedBytes}`);
             uploadByteCount = progress.loadedBytes;
@@ -5329,7 +5345,7 @@ function uploadZipToBlobStorage(authenticatedUploadURL, zipUploadStream) {
         zipUploadStream.pipe(hashStream).setEncoding('hex'); // This stream is used to compute a hash of the zip content that gets used. Integrity check
         try {
             core.info('Beginning upload of artifact content to blob storage');
-            yield blockBlobClient.uploadStream(uploadStream, bufferSize, maxBuffers, options);
+            yield blockBlobClient.uploadStream(uploadStream, bufferSize, maxConcurrency, options);
             core.info('Finished uploading artifact content to blob storage!');
             hashStream.end();
             sha256Hash = hashStream.read();
@@ -5553,7 +5569,7 @@ function uploadArtifact(name, files, rootDirectory, options) {
                 success: false
             };
         }
-        const zipUploadStream = yield (0, zip_1.createZipUploadStream)(zipSpecification);
+        const zipUploadStream = yield (0, zip_1.createZipUploadStream)(zipSpecification, options === null || options === void 0 ? void 0 : options.compressionLevel);
         // get the IDs needed for the artifact creation
         const backendIds = (0, util_1.getBackendIdsFromToken)();
         if (!backendIds.workflowRunBackendId || !backendIds.workflowJobRunBackendId) {
@@ -5784,12 +5800,13 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.createZipUploadStream = exports.ZipUploadStream = void 0;
+exports.createZipUploadStream = exports.ZipUploadStream = exports.DEFAULT_COMPRESSION_LEVEL = void 0;
 const stream = __importStar(__nccwpck_require__(12781));
 const archiver = __importStar(__nccwpck_require__(71160));
 const core = __importStar(__nccwpck_require__(66526));
 const fs_1 = __nccwpck_require__(57147);
 const config_1 = __nccwpck_require__(95042);
+exports.DEFAULT_COMPRESSION_LEVEL = 6;
 // Custom stream transformer so we can set the highWaterMark property
 // See https://github.com/nodejs/node/issues/8855
 class ZipUploadStream extends stream.Transform {
@@ -5804,14 +5821,11 @@ class ZipUploadStream extends stream.Transform {
     }
 }
 exports.ZipUploadStream = ZipUploadStream;
-function createZipUploadStream(uploadSpecification) {
+function createZipUploadStream(uploadSpecification, compressionLevel = exports.DEFAULT_COMPRESSION_LEVEL) {
     return __awaiter(this, void 0, void 0, function* () {
         const zip = archiver.create('zip', {
-            zlib: { level: 9 } // Sets the compression level.
+            highWaterMark: (0, config_1.getUploadChunkSize)(),
-            // Available options are 0-9
+            zlib: { level: compressionLevel }
-            // 0 => no compression
-            // 1 => fastest with low compression
-            // 9 => highest compression ratio but the slowest
         });
         // register callbacks for various events during the zip lifecycle
         zip.on('error', zipErrorCallback);
@@ -121087,6 +121101,7 @@ var Inputs;
     Inputs["Path"] = "path";
     Inputs["IfNoFilesFound"] = "if-no-files-found";
     Inputs["RetentionDays"] = "retention-days";
+    Inputs["CompressionLevel"] = "compression-level";
 })(Inputs = exports.Inputs || (exports.Inputs = {}));
 var NoFileOptions;
 (function (NoFileOptions) {
@@ -121162,6 +121177,16 @@ function getInputs() {
             core.setFailed('Invalid retention-days');
         }
     }
+    const compressionLevelStr = core.getInput(constants_1.Inputs.CompressionLevel);
+    if (compressionLevelStr) {
+        inputs.compressionLevel = parseInt(compressionLevelStr);
+        if (isNaN(inputs.compressionLevel)) {
+            core.setFailed('Invalid compression-level');
+        }
+        if (inputs.compressionLevel < 0 || inputs.compressionLevel > 9) {
+            core.setFailed('Invalid compression-level. Valid values are 0-9');
+        }
+    }
     return inputs;
 }
 exports.getInputs = getInputs;
@@ -121411,6 +121436,9 @@ function run() {
                 if (inputs.retentionDays) {
                     options.retentionDays = inputs.retentionDays;
                 }
+                if (typeof inputs.compressionLevel !== 'undefined') {
+                    options.compressionLevel = inputs.compressionLevel;
+                }
                 const uploadResponse = yield artifactClient.uploadArtifact(inputs.artifactName, searchResult.filesToUpload, searchResult.rootDirectory, options);
                 if (uploadResponse.success === false) {
                     core.setFailed(`An error was encountered when uploading ${inputs.artifactName}.`);

src/constants.ts

@@ -3,7 +3,8 @@ export enum Inputs {
   Name = 'name',
   Path = 'path',
   IfNoFilesFound = 'if-no-files-found',
-  RetentionDays = 'retention-days'
+  RetentionDays = 'retention-days',
+  CompressionLevel = 'compression-level'
 }
 
 export enum NoFileOptions {

src/input-helper.ts

@@ -36,5 +36,17 @@ export function getInputs(): UploadInputs {
     }
   }
 
+  const compressionLevelStr = core.getInput(Inputs.CompressionLevel)
+  if (compressionLevelStr) {
+    inputs.compressionLevel = parseInt(compressionLevelStr)
+    if (isNaN(inputs.compressionLevel)) {
+      core.setFailed('Invalid compression-level')
+    }
+
+    if (inputs.compressionLevel < 0 || inputs.compressionLevel > 9) {
+      core.setFailed('Invalid compression-level. Valid values are 0-9')
+    }
+  }
+
   return inputs
 }

src/upload-artifact.ts

@@ -1,5 +1,8 @@
 import * as core from '../node_modules/@actions/core/'
-import {UploadOptions, create} from '../node_modules/@actions/artifact/lib/artifact'
+import {
+  UploadOptions,
+  create
+} from '../node_modules/@actions/artifact/lib/artifact'
 import {findFilesToUpload} from './search'
 import {getInputs} from './input-helper'
 import {NoFileOptions} from './constants'
@@ -43,6 +46,10 @@ async function run(): Promise<void> {
         options.retentionDays = inputs.retentionDays
       }
 
+      if (typeof inputs.compressionLevel !== 'undefined') {
+        options.compressionLevel = inputs.compressionLevel
+      }
+
       const uploadResponse = await artifactClient.uploadArtifact(
         inputs.artifactName,
         searchResult.filesToUpload,

src/upload-inputs.ts

@@ -20,4 +20,9 @@ export interface UploadInputs {
    * Duration after which artifact will expire in days
    */
   retentionDays: number
+
+  /**
+   * The level of compression for Zlib to be applied to the artifact archive.
+   */
+  compressionLevel?: number
 }