Use tries on all API calls

This reverts commit 6efe05572d.

__tests__/cacheHttpsClient.test.ts

@@ -1,4 +1,4 @@
-import { getCacheVersion } from "../src/cacheHttpClient";
+import { getCacheVersion, retry } from "../src/cacheHttpClient";
 import { CompressionMethod, Inputs } from "../src/constants";
 import * as testUtils from "../src/utils/testUtils";
 
@@ -37,3 +37,141 @@ test("getCacheVersion with gzip compression does not change vesion", async () =>
 test("getCacheVersion with no input throws", async () => {
     expect(() => getCacheVersion()).toThrow();
 });
+
+interface TestResponse {
+    statusCode: number;
+    result: string | null;
+}
+
+function handleResponse(
+    response: TestResponse | undefined
+): Promise<TestResponse> {
+    if (!response) {
+        fail("Retry method called too many times");
+    }
+
+    if (response.statusCode === 999) {
+        throw Error("Test Error");
+    } else {
+        return Promise.resolve(response);
+    }
+}
+
+async function testRetryExpectingResult(
+    responses: Array<TestResponse>,
+    expectedResult: string | null
+): Promise<void> {
+    responses = responses.reverse(); // Reverse responses since we pop from end
+
+    const actualResult = await retry(
+        "test",
+        () => handleResponse(responses.pop()),
+        (response: TestResponse) => response.statusCode
+    );
+
+    expect(actualResult.result).toEqual(expectedResult);
+}
+
+async function testRetryExpectingError(
+    responses: Array<TestResponse>
+): Promise<void> {
+    responses = responses.reverse(); // Reverse responses since we pop from end
+
+    expect(
+        retry(
+            "test",
+            () => handleResponse(responses.pop()),
+            (response: TestResponse) => response.statusCode
+        )
+    ).rejects.toBeInstanceOf(Error);
+}
+
+test("retry works on successful response", async () => {
+    await testRetryExpectingResult(
+        [
+            {
+                statusCode: 200,
+                result: "Ok"
+            }
+        ],
+        "Ok"
+    );
+});
+
+test("retry works after retryable status code", async () => {
+    await testRetryExpectingResult(
+        [
+            {
+                statusCode: 503,
+                result: null
+            },
+            {
+                statusCode: 200,
+                result: "Ok"
+            }
+        ],
+        "Ok"
+    );
+});
+
+test("retry fails after exhausting retries", async () => {
+    await testRetryExpectingError([
+        {
+            statusCode: 503,
+            result: null
+        },
+        {
+            statusCode: 503,
+            result: null
+        },
+        {
+            statusCode: 200,
+            result: "Ok"
+        }
+    ]);
+});
+
+test("retry fails after non-retryable status code", async () => {
+    await testRetryExpectingError([
+        {
+            statusCode: 500,
+            result: null
+        },
+        {
+            statusCode: 200,
+            result: "Ok"
+        }
+    ]);
+});
+
+test("retry works after error", async () => {
+    await testRetryExpectingResult(
+        [
+            {
+                statusCode: 999,
+                result: null
+            },
+            {
+                statusCode: 200,
+                result: "Ok"
+            }
+        ],
+        "Ok"
+    );
+});
+
+test("retry returns after client error", async () => {
+    await testRetryExpectingResult(
+        [
+            {
+                statusCode: 400,
+                result: null
+            },
+            {
+                statusCode: 200,
+                result: "Ok"
+            }
+        ],
+        null
+    );
+});

dist/restore/index.js

@@ -2197,6 +2197,12 @@ function isSuccessStatusCode(statusCode) {
     }
     return statusCode >= 200 && statusCode < 300;
 }
+function isServerErrorStatusCode(statusCode) {
+    if (!statusCode) {
+        return true;
+    }
+    return statusCode >= 500;
+}
 function isRetryableStatusCode(statusCode) {
     if (!statusCode) {
         return false;
@@ -2246,19 +2252,60 @@ function getCacheVersion(compressionMethod) {
         .digest("hex");
 }
 exports.getCacheVersion = getCacheVersion;
+function retry(name, method, getStatusCode, maxAttempts = 2) {
+    return __awaiter(this, void 0, void 0, function* () {
+        let response = undefined;
+        let statusCode = undefined;
+        let isRetryable = false;
+        let errorMessage = "";
+        let attempt = 1;
+        while (attempt <= maxAttempts) {
+            try {
+                response = yield method();
+                statusCode = getStatusCode(response);
+                if (!isServerErrorStatusCode(statusCode)) {
+                    return response;
+                }
+                isRetryable = isRetryableStatusCode(statusCode);
+                errorMessage = `Cache service responded with ${statusCode}`;
+            }
+            catch (error) {
+                isRetryable = true;
+                errorMessage = error.message;
+            }
+            core.debug(`${name} - Attempt ${attempt} of ${maxAttempts} failed with error: ${errorMessage}`);
+            if (!isRetryable) {
+                core.debug(`${name} - Error is not retryable`);
+                break;
+            }
+            attempt++;
+        }
+        throw Error(`${name} failed: ${errorMessage}`);
+    });
+}
+exports.retry = retry;
+function retryTypedResponse(name, method, maxAttempts = 2) {
+    return __awaiter(this, void 0, void 0, function* () {
+        return yield retry(name, method, (response) => response.statusCode, maxAttempts);
+    });
+}
+exports.retryTypedResponse = retryTypedResponse;
+function retryHttpClientResponse(name, method, maxAttempts = 2) {
+    return __awaiter(this, void 0, void 0, function* () {
+        return yield retry(name, method, (response) => response.message.statusCode, maxAttempts);
+    });
+}
+exports.retryHttpClientResponse = retryHttpClientResponse;
 function getCacheEntry(keys, options) {
     var _a, _b;
     return __awaiter(this, void 0, void 0, function* () {
         const httpClient = createHttpClient();
         const version = getCacheVersion((_a = options) === null || _a === void 0 ? void 0 : _a.compressionMethod);
         const resource = `cache?keys=${encodeURIComponent(keys.join(","))}&version=${version}`;
-        const response = yield httpClient.getJson(getCacheApiUrl(resource));
+        const response = yield retryTypedResponse("getCacheEntry", () => httpClient.getJson(getCacheApiUrl(resource)));
         if (response.statusCode === 204) {
             return null;
         }
-        if (!isSuccessStatusCode(response.statusCode)) {
-            throw new Error(`Cache service responded with ${response.statusCode}`);
-        }
         const cacheResult = response.result;
         const cacheDownloadUrl = (_b = cacheResult) === null || _b === void 0 ? void 0 : _b.archiveLocation;
         if (!cacheDownloadUrl) {
@@ -2281,7 +2328,7 @@ function downloadCache(archiveLocation, archivePath) {
     return __awaiter(this, void 0, void 0, function* () {
         const stream = fs.createWriteStream(archivePath);
         const httpClient = new http_client_1.HttpClient("actions/cache");
-        const downloadResponse = yield httpClient.get(archiveLocation);
+        const downloadResponse = yield retryHttpClientResponse("downloadCache", () => httpClient.get(archiveLocation));
         // Abort download if no traffic received over the socket.
         downloadResponse.message.socket.setTimeout(constants_1.SocketTimeout, () => {
             downloadResponse.message.destroy();
@@ -2313,7 +2360,7 @@ function reserveCache(key, options) {
             key,
             version
         };
-        const response = yield httpClient.postJson(getCacheApiUrl("caches"), reserveCacheRequest);
+        const response = yield retryTypedResponse("reserveCache", () => httpClient.postJson(getCacheApiUrl("caches"), reserveCacheRequest));
         return _d = (_c = (_b = response) === null || _b === void 0 ? void 0 : _b.result) === null || _c === void 0 ? void 0 : _c.cacheId, (_d !== null && _d !== void 0 ? _d : -1);
     });
 }
@@ -2326,7 +2373,7 @@ function getContentRange(start, end) {
     // Content-Range: bytes 0-199/*
     return `bytes ${start}-${end}/*`;
 }
-function uploadChunk(httpClient, resourceUrl, data, start, end) {
+function uploadChunk(httpClient, resourceUrl, openStream, start, end) {
     return __awaiter(this, void 0, void 0, function* () {
         core.debug(`Uploading chunk of size ${end -
             start +
@@ -2336,20 +2383,9 @@ function uploadChunk(httpClient, resourceUrl, data, start, end) {
             "Content-Range": getContentRange(start, end)
         };
         const uploadChunkRequest = () => __awaiter(this, void 0, void 0, function* () {
-            return yield httpClient.sendStream("PATCH", resourceUrl, data, additionalHeaders);
+            return yield httpClient.sendStream("PATCH", resourceUrl, openStream(), additionalHeaders);
         });
-        const response = yield uploadChunkRequest();
+        yield retryHttpClientResponse(`uploadChunk (start: ${start}, end: ${end})`, uploadChunkRequest);
-        if (isSuccessStatusCode(response.message.statusCode)) {
-            return;
-        }
-        if (isRetryableStatusCode(response.message.statusCode)) {
-            core.debug(`Received ${response.message.statusCode}, retrying chunk at offset ${start}.`);
-            const retryResponse = yield uploadChunkRequest();
-            if (isSuccessStatusCode(retryResponse.message.statusCode)) {
-                return;
-            }
-        }
-        throw new Error(`Cache service responded with ${response.message.statusCode} during chunk upload.`);
     });
 }
 function parseEnvNumber(key) {
@@ -2379,13 +2415,12 @@ function uploadFile(httpClient, cacheId, archivePath) {
                     const start = offset;
                     const end = offset + chunkSize - 1;
                     offset += MAX_CHUNK_SIZE;
-                    const chunk = fs.createReadStream(archivePath, {
+                    yield uploadChunk(httpClient, resourceUrl, () => fs.createReadStream(archivePath, {
                         fd,
                         start,
                         end,
                         autoClose: false
-                    });
+                    }), start, end);
-                    yield uploadChunk(httpClient, resourceUrl, chunk, start, end);
                 }
             })));
         }
@@ -2398,7 +2433,7 @@ function uploadFile(httpClient, cacheId, archivePath) {
 function commitCache(httpClient, cacheId, filesize) {
     return __awaiter(this, void 0, void 0, function* () {
         const commitCacheRequest = { size: filesize };
-        return yield httpClient.postJson(getCacheApiUrl(`caches/${cacheId.toString()}`), commitCacheRequest);
+        return yield retryTypedResponse("commitCache", () => httpClient.postJson(getCacheApiUrl(`caches/${cacheId.toString()}`), commitCacheRequest));
     });
 }
 function saveCache(cacheId, archivePath) {
@@ -2440,7 +2475,9 @@ class BasicCredentialHandler {
         this.password = password;
     }
     prepareRequest(options) {
-        options.headers['Authorization'] = 'Basic ' + Buffer.from(this.username + ':' + this.password).toString('base64');
+        options.headers['Authorization'] =
+            'Basic ' +
+                Buffer.from(this.username + ':' + this.password).toString('base64');
     }
     // This handler cannot handle 401
     canHandleAuthentication(response) {
@@ -2476,7 +2513,8 @@ class PersonalAccessTokenCredentialHandler {
     // currently implements pre-authorization
     // TODO: support preAuth = false where it hooks on 401
     prepareRequest(options) {
-        options.headers['Authorization'] = 'Basic ' + Buffer.from('PAT:' + this.token).toString('base64');
+        options.headers['Authorization'] =
+            'Basic ' + Buffer.from('PAT:' + this.token).toString('base64');
     }
     // This handler cannot handle 401
     canHandleAuthentication(response) {
@@ -3203,6 +3241,7 @@ const exec = __importStar(__webpack_require__(986));
 const glob = __importStar(__webpack_require__(281));
 const io = __importStar(__webpack_require__(1));
 const fs = __importStar(__webpack_require__(747));
+const os = __importStar(__webpack_require__(87));
 const path = __importStar(__webpack_require__(622));
 const util = __importStar(__webpack_require__(669));
 const uuidV4 = __importStar(__webpack_require__(826));
@@ -3343,6 +3382,10 @@ function getVersion(app) {
 }
 function getCompressionMethod() {
     return __awaiter(this, void 0, void 0, function* () {
+        // Disabling zstd on Windows due to https://github.com/actions/cache/issues/301
+        if (os.platform() === "win32") {
+            return constants_1.CompressionMethod.Gzip;
+        }
         const versionOutput = yield getVersion("zstd");
         return versionOutput.toLowerCase().includes("zstd command line interface")
             ? constants_1.CompressionMethod.Zstd
@@ -3603,6 +3646,7 @@ var HttpCodes;
     HttpCodes[HttpCodes["RequestTimeout"] = 408] = "RequestTimeout";
     HttpCodes[HttpCodes["Conflict"] = 409] = "Conflict";
     HttpCodes[HttpCodes["Gone"] = 410] = "Gone";
+    HttpCodes[HttpCodes["TooManyRequests"] = 429] = "TooManyRequests";
     HttpCodes[HttpCodes["InternalServerError"] = 500] = "InternalServerError";
     HttpCodes[HttpCodes["NotImplemented"] = 501] = "NotImplemented";
     HttpCodes[HttpCodes["BadGateway"] = 502] = "BadGateway";
@@ -3627,8 +3671,18 @@ function getProxyUrl(serverUrl) {
     return proxyUrl ? proxyUrl.href : '';
 }
 exports.getProxyUrl = getProxyUrl;
-const HttpRedirectCodes = [HttpCodes.MovedPermanently, HttpCodes.ResourceMoved, HttpCodes.SeeOther, HttpCodes.TemporaryRedirect, HttpCodes.PermanentRedirect];
+const HttpRedirectCodes = [
-const HttpResponseRetryCodes = [HttpCodes.BadGateway, HttpCodes.ServiceUnavailable, HttpCodes.GatewayTimeout];
+    HttpCodes.MovedPermanently,
+    HttpCodes.ResourceMoved,
+    HttpCodes.SeeOther,
+    HttpCodes.TemporaryRedirect,
+    HttpCodes.PermanentRedirect
+];
+const HttpResponseRetryCodes = [
+    HttpCodes.BadGateway,
+    HttpCodes.ServiceUnavailable,
+    HttpCodes.GatewayTimeout
+];
 const RetryableHttpVerbs = ['OPTIONS', 'GET', 'DELETE', 'HEAD'];
 const ExponentialBackoffCeiling = 10;
 const ExponentialBackoffTimeSlice = 5;
@@ -3753,18 +3807,22 @@ class HttpClient {
      */
     async request(verb, requestUrl, data, headers) {
         if (this._disposed) {
-            throw new Error("Client has already been disposed.");
+            throw new Error('Client has already been disposed.');
         }
         let parsedUrl = url.parse(requestUrl);
         let info = this._prepareRequest(verb, parsedUrl, headers);
         // Only perform retries on reads since writes may not be idempotent.
-        let maxTries = (this._allowRetries && RetryableHttpVerbs.indexOf(verb) != -1) ? this._maxRetries + 1 : 1;
+        let maxTries = this._allowRetries && RetryableHttpVerbs.indexOf(verb) != -1
+            ? this._maxRetries + 1
+            : 1;
         let numTries = 0;
         let response;
         while (numTries < maxTries) {
             response = await this.requestRaw(info, data);
             // Check if it's an authentication challenge
-            if (response && response.message && response.message.statusCode === HttpCodes.Unauthorized) {
+            if (response &&
+                response.message &&
+                response.message.statusCode === HttpCodes.Unauthorized) {
                 let authenticationHandler;
                 for (let i = 0; i < this.handlers.length; i++) {
                     if (this.handlers[i].canHandleAuthentication(response)) {
@@ -3782,21 +3840,32 @@ class HttpClient {
                 }
             }
             let redirectsRemaining = this._maxRedirects;
-            while (HttpRedirectCodes.indexOf(response.message.statusCode) != -1
+            while (HttpRedirectCodes.indexOf(response.message.statusCode) != -1 &&
-                && this._allowRedirects
+                this._allowRedirects &&
-                && redirectsRemaining > 0) {
+                redirectsRemaining > 0) {
-                const redirectUrl = response.message.headers["location"];
+                const redirectUrl = response.message.headers['location'];
                 if (!redirectUrl) {
                     // if there's no location to redirect to, we won't
                     break;
                 }
                 let parsedRedirectUrl = url.parse(redirectUrl);
-                if (parsedUrl.protocol == 'https:' && parsedUrl.protocol != parsedRedirectUrl.protocol && !this._allowRedirectDowngrade) {
+                if (parsedUrl.protocol == 'https:' &&
-                    throw new Error("Redirect from HTTPS to HTTP protocol. This downgrade is not allowed for security reasons. If you want to allow this behavior, set the allowRedirectDowngrade option to true.");
+                    parsedUrl.protocol != parsedRedirectUrl.protocol &&
+                    !this._allowRedirectDowngrade) {
+                    throw new Error('Redirect from HTTPS to HTTP protocol. This downgrade is not allowed for security reasons. If you want to allow this behavior, set the allowRedirectDowngrade option to true.');
                 }
                 // we need to finish reading the response before reassigning response
                 // which will leak the open socket.
                 await response.readBody();
+                // strip authorization header if redirected to a different hostname
+                if (parsedRedirectUrl.hostname !== parsedUrl.hostname) {
+                    for (let header in headers) {
+                        // header names are case insensitive
+                        if (header.toLowerCase() === 'authorization') {
+                            delete headers[header];
+                        }
+                    }
+                }
                 // let's make the request with the new redirectUrl
                 info = this._prepareRequest(verb, parsedRedirectUrl, headers);
                 response = await this.requestRaw(info, data);
@@ -3847,8 +3916,8 @@ class HttpClient {
      */
     requestRawWithCallback(info, data, onResult) {
         let socket;
-        if (typeof (data) === 'string') {
+        if (typeof data === 'string') {
-            info.options.headers["Content-Length"] = Buffer.byteLength(data, 'utf8');
+            info.options.headers['Content-Length'] = Buffer.byteLength(data, 'utf8');
         }
         let callbackCalled = false;
         let handleResult = (err, res) => {
@@ -3861,7 +3930,7 @@ class HttpClient {
             let res = new HttpClientResponse(msg);
             handleResult(null, res);
         });
-        req.on('socket', (sock) => {
+        req.on('socket', sock => {
             socket = sock;
         });
         // If we ever get disconnected, we want the socket to timeout eventually
@@ -3876,10 +3945,10 @@ class HttpClient {
             // res should have headers
             handleResult(err, null);
         });
-        if (data && typeof (data) === 'string') {
+        if (data && typeof data === 'string') {
             req.write(data, 'utf8');
         }
-        if (data && typeof (data) !== 'string') {
+        if (data && typeof data !== 'string') {
             data.on('close', function () {
                 req.end();
             });
@@ -3906,31 +3975,34 @@ class HttpClient {
         const defaultPort = usingSsl ? 443 : 80;
         info.options = {};
         info.options.host = info.parsedUrl.hostname;
-        info.options.port = info.parsedUrl.port ? parseInt(info.parsedUrl.port) : defaultPort;
+        info.options.port = info.parsedUrl.port
-        info.options.path = (info.parsedUrl.pathname || '') + (info.parsedUrl.search || '');
+            ? parseInt(info.parsedUrl.port)
+            : defaultPort;
+        info.options.path =
+            (info.parsedUrl.pathname || '') + (info.parsedUrl.search || '');
         info.options.method = method;
         info.options.headers = this._mergeHeaders(headers);
         if (this.userAgent != null) {
-            info.options.headers["user-agent"] = this.userAgent;
+            info.options.headers['user-agent'] = this.userAgent;
         }
         info.options.agent = this._getAgent(info.parsedUrl);
         // gives handlers an opportunity to participate
         if (this.handlers) {
-            this.handlers.forEach((handler) => {
+            this.handlers.forEach(handler => {
                 handler.prepareRequest(info.options);
             });
         }
         return info;
     }
     _mergeHeaders(headers) {
-        const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => (c[k.toLowerCase()] = obj[k], c), {});
+        const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => ((c[k.toLowerCase()] = obj[k]), c), {});
         if (this.requestOptions && this.requestOptions.headers) {
             return Object.assign({}, lowercaseKeys(this.requestOptions.headers), lowercaseKeys(headers));
         }
         return lowercaseKeys(headers || {});
     }
     _getExistingOrDefaultHeader(additionalHeaders, header, _default) {
-        const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => (c[k.toLowerCase()] = obj[k], c), {});
+        const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => ((c[k.toLowerCase()] = obj[k]), c), {});
         let clientHeader;
         if (this.requestOptions && this.requestOptions.headers) {
             clientHeader = lowercaseKeys(this.requestOptions.headers)[header];
@@ -3968,7 +4040,7 @@ class HttpClient {
                     proxyAuth: proxyUrl.auth,
                     host: proxyUrl.hostname,
                     port: proxyUrl.port
-                },
+                }
             };
             let tunnelAgent;
             const overHttps = proxyUrl.protocol === 'https:';
@@ -3995,7 +4067,9 @@ class HttpClient {
             // we don't want to set NODE_TLS_REJECT_UNAUTHORIZED=0 since that will affect request for entire process
             // http.RequestOptions doesn't expose a way to modify RequestOptions.agent.options
             // we have to cast it to any and change it directly
-            agent.options = Object.assign(agent.options || {}, { rejectUnauthorized: false });
+            agent.options = Object.assign(agent.options || {}, {
+                rejectUnauthorized: false
+            });
         }
         return agent;
     }
@@ -4056,7 +4130,7 @@ class HttpClient {
                     msg = contents;
                 }
                 else {
-                    msg = "Failed request: (" + statusCode + ")";
+                    msg = 'Failed request: (' + statusCode + ')';
                 }
                 let err = new Error(msg);
                 // attach statusCode and body obj (if available) to the error object
@@ -5145,12 +5219,10 @@ function getProxyUrl(reqUrl) {
     }
     let proxyVar;
     if (usingSsl) {
-        proxyVar = process.env["https_proxy"] ||
+        proxyVar = process.env['https_proxy'] || process.env['HTTPS_PROXY'];
-            process.env["HTTPS_PROXY"];
     }
     else {
-        proxyVar = process.env["http_proxy"] ||
+        proxyVar = process.env['http_proxy'] || process.env['HTTP_PROXY'];
-            process.env["HTTP_PROXY"];
     }
     if (proxyVar) {
         proxyUrl = url.parse(proxyVar);
@@ -5162,7 +5234,7 @@ function checkBypass(reqUrl) {
     if (!reqUrl.hostname) {
         return false;
     }
-    let noProxy = process.env["no_proxy"] || process.env["NO_PROXY"] || '';
+    let noProxy = process.env['no_proxy'] || process.env['NO_PROXY'] || '';
     if (!noProxy) {
         return false;
     }
@@ -5183,7 +5255,10 @@ function checkBypass(reqUrl) {
         upperReqHosts.push(`${upperReqHosts[0]}:${reqPort}`);
     }
     // Compare request host against noproxy
-    for (let upperNoProxyItem of noProxy.split(',').map(x => x.trim().toUpperCase()).filter(x => x)) {
+    for (let upperNoProxyItem of noProxy
+        .split(',')
+        .map(x => x.trim().toUpperCase())
+        .filter(x => x)) {
         if (upperReqHosts.some(x => x === upperNoProxyItem)) {
             return true;
         }

dist/save/index.js

@@ -2197,6 +2197,12 @@ function isSuccessStatusCode(statusCode) {
     }
     return statusCode >= 200 && statusCode < 300;
 }
+function isServerErrorStatusCode(statusCode) {
+    if (!statusCode) {
+        return true;
+    }
+    return statusCode >= 500;
+}
 function isRetryableStatusCode(statusCode) {
     if (!statusCode) {
         return false;
@@ -2246,19 +2252,60 @@ function getCacheVersion(compressionMethod) {
         .digest("hex");
 }
 exports.getCacheVersion = getCacheVersion;
+function retry(name, method, getStatusCode, maxAttempts = 2) {
+    return __awaiter(this, void 0, void 0, function* () {
+        let response = undefined;
+        let statusCode = undefined;
+        let isRetryable = false;
+        let errorMessage = "";
+        let attempt = 1;
+        while (attempt <= maxAttempts) {
+            try {
+                response = yield method();
+                statusCode = getStatusCode(response);
+                if (!isServerErrorStatusCode(statusCode)) {
+                    return response;
+                }
+                isRetryable = isRetryableStatusCode(statusCode);
+                errorMessage = `Cache service responded with ${statusCode}`;
+            }
+            catch (error) {
+                isRetryable = true;
+                errorMessage = error.message;
+            }
+            core.debug(`${name} - Attempt ${attempt} of ${maxAttempts} failed with error: ${errorMessage}`);
+            if (!isRetryable) {
+                core.debug(`${name} - Error is not retryable`);
+                break;
+            }
+            attempt++;
+        }
+        throw Error(`${name} failed: ${errorMessage}`);
+    });
+}
+exports.retry = retry;
+function retryTypedResponse(name, method, maxAttempts = 2) {
+    return __awaiter(this, void 0, void 0, function* () {
+        return yield retry(name, method, (response) => response.statusCode, maxAttempts);
+    });
+}
+exports.retryTypedResponse = retryTypedResponse;
+function retryHttpClientResponse(name, method, maxAttempts = 2) {
+    return __awaiter(this, void 0, void 0, function* () {
+        return yield retry(name, method, (response) => response.message.statusCode, maxAttempts);
+    });
+}
+exports.retryHttpClientResponse = retryHttpClientResponse;
 function getCacheEntry(keys, options) {
     var _a, _b;
     return __awaiter(this, void 0, void 0, function* () {
         const httpClient = createHttpClient();
         const version = getCacheVersion((_a = options) === null || _a === void 0 ? void 0 : _a.compressionMethod);
         const resource = `cache?keys=${encodeURIComponent(keys.join(","))}&version=${version}`;
-        const response = yield httpClient.getJson(getCacheApiUrl(resource));
+        const response = yield retryTypedResponse("getCacheEntry", () => httpClient.getJson(getCacheApiUrl(resource)));
         if (response.statusCode === 204) {
             return null;
         }
-        if (!isSuccessStatusCode(response.statusCode)) {
-            throw new Error(`Cache service responded with ${response.statusCode}`);
-        }
         const cacheResult = response.result;
         const cacheDownloadUrl = (_b = cacheResult) === null || _b === void 0 ? void 0 : _b.archiveLocation;
         if (!cacheDownloadUrl) {
@@ -2281,7 +2328,7 @@ function downloadCache(archiveLocation, archivePath) {
     return __awaiter(this, void 0, void 0, function* () {
         const stream = fs.createWriteStream(archivePath);
         const httpClient = new http_client_1.HttpClient("actions/cache");
-        const downloadResponse = yield httpClient.get(archiveLocation);
+        const downloadResponse = yield retryHttpClientResponse("downloadCache", () => httpClient.get(archiveLocation));
         // Abort download if no traffic received over the socket.
         downloadResponse.message.socket.setTimeout(constants_1.SocketTimeout, () => {
             downloadResponse.message.destroy();
@@ -2313,7 +2360,7 @@ function reserveCache(key, options) {
             key,
             version
         };
-        const response = yield httpClient.postJson(getCacheApiUrl("caches"), reserveCacheRequest);
+        const response = yield retryTypedResponse("reserveCache", () => httpClient.postJson(getCacheApiUrl("caches"), reserveCacheRequest));
         return _d = (_c = (_b = response) === null || _b === void 0 ? void 0 : _b.result) === null || _c === void 0 ? void 0 : _c.cacheId, (_d !== null && _d !== void 0 ? _d : -1);
     });
 }
@@ -2326,7 +2373,7 @@ function getContentRange(start, end) {
     // Content-Range: bytes 0-199/*
     return `bytes ${start}-${end}/*`;
 }
-function uploadChunk(httpClient, resourceUrl, data, start, end) {
+function uploadChunk(httpClient, resourceUrl, openStream, start, end) {
     return __awaiter(this, void 0, void 0, function* () {
         core.debug(`Uploading chunk of size ${end -
             start +
@@ -2336,20 +2383,9 @@ function uploadChunk(httpClient, resourceUrl, data, start, end) {
             "Content-Range": getContentRange(start, end)
         };
         const uploadChunkRequest = () => __awaiter(this, void 0, void 0, function* () {
-            return yield httpClient.sendStream("PATCH", resourceUrl, data, additionalHeaders);
+            return yield httpClient.sendStream("PATCH", resourceUrl, openStream(), additionalHeaders);
         });
-        const response = yield uploadChunkRequest();
+        yield retryHttpClientResponse(`uploadChunk (start: ${start}, end: ${end})`, uploadChunkRequest);
-        if (isSuccessStatusCode(response.message.statusCode)) {
-            return;
-        }
-        if (isRetryableStatusCode(response.message.statusCode)) {
-            core.debug(`Received ${response.message.statusCode}, retrying chunk at offset ${start}.`);
-            const retryResponse = yield uploadChunkRequest();
-            if (isSuccessStatusCode(retryResponse.message.statusCode)) {
-                return;
-            }
-        }
-        throw new Error(`Cache service responded with ${response.message.statusCode} during chunk upload.`);
     });
 }
 function parseEnvNumber(key) {
@@ -2379,13 +2415,12 @@ function uploadFile(httpClient, cacheId, archivePath) {
                     const start = offset;
                     const end = offset + chunkSize - 1;
                     offset += MAX_CHUNK_SIZE;
-                    const chunk = fs.createReadStream(archivePath, {
+                    yield uploadChunk(httpClient, resourceUrl, () => fs.createReadStream(archivePath, {
                         fd,
                         start,
                         end,
                         autoClose: false
-                    });
+                    }), start, end);
-                    yield uploadChunk(httpClient, resourceUrl, chunk, start, end);
                 }
             })));
         }
@@ -2398,7 +2433,7 @@ function uploadFile(httpClient, cacheId, archivePath) {
 function commitCache(httpClient, cacheId, filesize) {
     return __awaiter(this, void 0, void 0, function* () {
         const commitCacheRequest = { size: filesize };
-        return yield httpClient.postJson(getCacheApiUrl(`caches/${cacheId.toString()}`), commitCacheRequest);
+        return yield retryTypedResponse("commitCache", () => httpClient.postJson(getCacheApiUrl(`caches/${cacheId.toString()}`), commitCacheRequest));
     });
 }
 function saveCache(cacheId, archivePath) {
@@ -2440,7 +2475,9 @@ class BasicCredentialHandler {
         this.password = password;
     }
     prepareRequest(options) {
-        options.headers['Authorization'] = 'Basic ' + Buffer.from(this.username + ':' + this.password).toString('base64');
+        options.headers['Authorization'] =
+            'Basic ' +
+                Buffer.from(this.username + ':' + this.password).toString('base64');
     }
     // This handler cannot handle 401
     canHandleAuthentication(response) {
@@ -2476,7 +2513,8 @@ class PersonalAccessTokenCredentialHandler {
     // currently implements pre-authorization
     // TODO: support preAuth = false where it hooks on 401
     prepareRequest(options) {
-        options.headers['Authorization'] = 'Basic ' + Buffer.from('PAT:' + this.token).toString('base64');
+        options.headers['Authorization'] =
+            'Basic ' + Buffer.from('PAT:' + this.token).toString('base64');
     }
     // This handler cannot handle 401
     canHandleAuthentication(response) {
@@ -3203,6 +3241,7 @@ const exec = __importStar(__webpack_require__(986));
 const glob = __importStar(__webpack_require__(281));
 const io = __importStar(__webpack_require__(1));
 const fs = __importStar(__webpack_require__(747));
+const os = __importStar(__webpack_require__(87));
 const path = __importStar(__webpack_require__(622));
 const util = __importStar(__webpack_require__(669));
 const uuidV4 = __importStar(__webpack_require__(826));
@@ -3343,6 +3382,10 @@ function getVersion(app) {
 }
 function getCompressionMethod() {
     return __awaiter(this, void 0, void 0, function* () {
+        // Disabling zstd on Windows due to https://github.com/actions/cache/issues/301
+        if (os.platform() === "win32") {
+            return constants_1.CompressionMethod.Gzip;
+        }
         const versionOutput = yield getVersion("zstd");
         return versionOutput.toLowerCase().includes("zstd command line interface")
             ? constants_1.CompressionMethod.Zstd
@@ -3603,6 +3646,7 @@ var HttpCodes;
     HttpCodes[HttpCodes["RequestTimeout"] = 408] = "RequestTimeout";
     HttpCodes[HttpCodes["Conflict"] = 409] = "Conflict";
     HttpCodes[HttpCodes["Gone"] = 410] = "Gone";
+    HttpCodes[HttpCodes["TooManyRequests"] = 429] = "TooManyRequests";
     HttpCodes[HttpCodes["InternalServerError"] = 500] = "InternalServerError";
     HttpCodes[HttpCodes["NotImplemented"] = 501] = "NotImplemented";
     HttpCodes[HttpCodes["BadGateway"] = 502] = "BadGateway";
@@ -3627,8 +3671,18 @@ function getProxyUrl(serverUrl) {
     return proxyUrl ? proxyUrl.href : '';
 }
 exports.getProxyUrl = getProxyUrl;
-const HttpRedirectCodes = [HttpCodes.MovedPermanently, HttpCodes.ResourceMoved, HttpCodes.SeeOther, HttpCodes.TemporaryRedirect, HttpCodes.PermanentRedirect];
+const HttpRedirectCodes = [
-const HttpResponseRetryCodes = [HttpCodes.BadGateway, HttpCodes.ServiceUnavailable, HttpCodes.GatewayTimeout];
+    HttpCodes.MovedPermanently,
+    HttpCodes.ResourceMoved,
+    HttpCodes.SeeOther,
+    HttpCodes.TemporaryRedirect,
+    HttpCodes.PermanentRedirect
+];
+const HttpResponseRetryCodes = [
+    HttpCodes.BadGateway,
+    HttpCodes.ServiceUnavailable,
+    HttpCodes.GatewayTimeout
+];
 const RetryableHttpVerbs = ['OPTIONS', 'GET', 'DELETE', 'HEAD'];
 const ExponentialBackoffCeiling = 10;
 const ExponentialBackoffTimeSlice = 5;
@@ -3753,18 +3807,22 @@ class HttpClient {
      */
     async request(verb, requestUrl, data, headers) {
         if (this._disposed) {
-            throw new Error("Client has already been disposed.");
+            throw new Error('Client has already been disposed.');
         }
         let parsedUrl = url.parse(requestUrl);
         let info = this._prepareRequest(verb, parsedUrl, headers);
         // Only perform retries on reads since writes may not be idempotent.
-        let maxTries = (this._allowRetries && RetryableHttpVerbs.indexOf(verb) != -1) ? this._maxRetries + 1 : 1;
+        let maxTries = this._allowRetries && RetryableHttpVerbs.indexOf(verb) != -1
+            ? this._maxRetries + 1
+            : 1;
         let numTries = 0;
         let response;
         while (numTries < maxTries) {
             response = await this.requestRaw(info, data);
             // Check if it's an authentication challenge
-            if (response && response.message && response.message.statusCode === HttpCodes.Unauthorized) {
+            if (response &&
+                response.message &&
+                response.message.statusCode === HttpCodes.Unauthorized) {
                 let authenticationHandler;
                 for (let i = 0; i < this.handlers.length; i++) {
                     if (this.handlers[i].canHandleAuthentication(response)) {
@@ -3782,21 +3840,32 @@ class HttpClient {
                 }
             }
             let redirectsRemaining = this._maxRedirects;
-            while (HttpRedirectCodes.indexOf(response.message.statusCode) != -1
+            while (HttpRedirectCodes.indexOf(response.message.statusCode) != -1 &&
-                && this._allowRedirects
+                this._allowRedirects &&
-                && redirectsRemaining > 0) {
+                redirectsRemaining > 0) {
-                const redirectUrl = response.message.headers["location"];
+                const redirectUrl = response.message.headers['location'];
                 if (!redirectUrl) {
                     // if there's no location to redirect to, we won't
                     break;
                 }
                 let parsedRedirectUrl = url.parse(redirectUrl);
-                if (parsedUrl.protocol == 'https:' && parsedUrl.protocol != parsedRedirectUrl.protocol && !this._allowRedirectDowngrade) {
+                if (parsedUrl.protocol == 'https:' &&
-                    throw new Error("Redirect from HTTPS to HTTP protocol. This downgrade is not allowed for security reasons. If you want to allow this behavior, set the allowRedirectDowngrade option to true.");
+                    parsedUrl.protocol != parsedRedirectUrl.protocol &&
+                    !this._allowRedirectDowngrade) {
+                    throw new Error('Redirect from HTTPS to HTTP protocol. This downgrade is not allowed for security reasons. If you want to allow this behavior, set the allowRedirectDowngrade option to true.');
                 }
                 // we need to finish reading the response before reassigning response
                 // which will leak the open socket.
                 await response.readBody();
+                // strip authorization header if redirected to a different hostname
+                if (parsedRedirectUrl.hostname !== parsedUrl.hostname) {
+                    for (let header in headers) {
+                        // header names are case insensitive
+                        if (header.toLowerCase() === 'authorization') {
+                            delete headers[header];
+                        }
+                    }
+                }
                 // let's make the request with the new redirectUrl
                 info = this._prepareRequest(verb, parsedRedirectUrl, headers);
                 response = await this.requestRaw(info, data);
@@ -3847,8 +3916,8 @@ class HttpClient {
      */
     requestRawWithCallback(info, data, onResult) {
         let socket;
-        if (typeof (data) === 'string') {
+        if (typeof data === 'string') {
-            info.options.headers["Content-Length"] = Buffer.byteLength(data, 'utf8');
+            info.options.headers['Content-Length'] = Buffer.byteLength(data, 'utf8');
         }
         let callbackCalled = false;
         let handleResult = (err, res) => {
@@ -3861,7 +3930,7 @@ class HttpClient {
             let res = new HttpClientResponse(msg);
             handleResult(null, res);
         });
-        req.on('socket', (sock) => {
+        req.on('socket', sock => {
             socket = sock;
         });
         // If we ever get disconnected, we want the socket to timeout eventually
@@ -3876,10 +3945,10 @@ class HttpClient {
             // res should have headers
             handleResult(err, null);
         });
-        if (data && typeof (data) === 'string') {
+        if (data && typeof data === 'string') {
             req.write(data, 'utf8');
         }
-        if (data && typeof (data) !== 'string') {
+        if (data && typeof data !== 'string') {
             data.on('close', function () {
                 req.end();
             });
@@ -3906,31 +3975,34 @@ class HttpClient {
         const defaultPort = usingSsl ? 443 : 80;
         info.options = {};
         info.options.host = info.parsedUrl.hostname;
-        info.options.port = info.parsedUrl.port ? parseInt(info.parsedUrl.port) : defaultPort;
+        info.options.port = info.parsedUrl.port
-        info.options.path = (info.parsedUrl.pathname || '') + (info.parsedUrl.search || '');
+            ? parseInt(info.parsedUrl.port)
+            : defaultPort;
+        info.options.path =
+            (info.parsedUrl.pathname || '') + (info.parsedUrl.search || '');
         info.options.method = method;
         info.options.headers = this._mergeHeaders(headers);
         if (this.userAgent != null) {
-            info.options.headers["user-agent"] = this.userAgent;
+            info.options.headers['user-agent'] = this.userAgent;
         }
         info.options.agent = this._getAgent(info.parsedUrl);
         // gives handlers an opportunity to participate
         if (this.handlers) {
-            this.handlers.forEach((handler) => {
+            this.handlers.forEach(handler => {
                 handler.prepareRequest(info.options);
             });
         }
         return info;
     }
     _mergeHeaders(headers) {
-        const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => (c[k.toLowerCase()] = obj[k], c), {});
+        const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => ((c[k.toLowerCase()] = obj[k]), c), {});
         if (this.requestOptions && this.requestOptions.headers) {
             return Object.assign({}, lowercaseKeys(this.requestOptions.headers), lowercaseKeys(headers));
         }
         return lowercaseKeys(headers || {});
     }
     _getExistingOrDefaultHeader(additionalHeaders, header, _default) {
-        const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => (c[k.toLowerCase()] = obj[k], c), {});
+        const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => ((c[k.toLowerCase()] = obj[k]), c), {});
         let clientHeader;
         if (this.requestOptions && this.requestOptions.headers) {
             clientHeader = lowercaseKeys(this.requestOptions.headers)[header];
@@ -3968,7 +4040,7 @@ class HttpClient {
                     proxyAuth: proxyUrl.auth,
                     host: proxyUrl.hostname,
                     port: proxyUrl.port
-                },
+                }
             };
             let tunnelAgent;
             const overHttps = proxyUrl.protocol === 'https:';
@@ -3995,7 +4067,9 @@ class HttpClient {
             // we don't want to set NODE_TLS_REJECT_UNAUTHORIZED=0 since that will affect request for entire process
             // http.RequestOptions doesn't expose a way to modify RequestOptions.agent.options
             // we have to cast it to any and change it directly
-            agent.options = Object.assign(agent.options || {}, { rejectUnauthorized: false });
+            agent.options = Object.assign(agent.options || {}, {
+                rejectUnauthorized: false
+            });
         }
         return agent;
     }
@@ -4056,7 +4130,7 @@ class HttpClient {
                     msg = contents;
                 }
                 else {
-                    msg = "Failed request: (" + statusCode + ")";
+                    msg = 'Failed request: (' + statusCode + ')';
                 }
                 let err = new Error(msg);
                 // attach statusCode and body obj (if available) to the error object
@@ -5122,12 +5196,10 @@ function getProxyUrl(reqUrl) {
     }
     let proxyVar;
     if (usingSsl) {
-        proxyVar = process.env["https_proxy"] ||
+        proxyVar = process.env['https_proxy'] || process.env['HTTPS_PROXY'];
-            process.env["HTTPS_PROXY"];
     }
     else {
-        proxyVar = process.env["http_proxy"] ||
+        proxyVar = process.env['http_proxy'] || process.env['HTTP_PROXY'];
-            process.env["HTTP_PROXY"];
     }
     if (proxyVar) {
         proxyUrl = url.parse(proxyVar);
@@ -5139,7 +5211,7 @@ function checkBypass(reqUrl) {
     if (!reqUrl.hostname) {
         return false;
     }
-    let noProxy = process.env["no_proxy"] || process.env["NO_PROXY"] || '';
+    let noProxy = process.env['no_proxy'] || process.env['NO_PROXY'] || '';
     if (!noProxy) {
         return false;
     }
@@ -5160,7 +5232,10 @@ function checkBypass(reqUrl) {
         upperReqHosts.push(`${upperReqHosts[0]}:${reqPort}`);
     }
     // Compare request host against noproxy
-    for (let upperNoProxyItem of noProxy.split(',').map(x => x.trim().toUpperCase()).filter(x => x)) {
+    for (let upperNoProxyItem of noProxy
+        .split(',')
+        .map(x => x.trim().toUpperCase())
+        .filter(x => x)) {
         if (upperReqHosts.some(x => x === upperNoProxyItem)) {
             return true;
         }

src/cacheHttpClient.ts

@@ -30,6 +30,13 @@ function isSuccessStatusCode(statusCode?: number): boolean {
     return statusCode >= 200 && statusCode < 300;
 }
 
+function isServerErrorStatusCode(statusCode?: number): boolean {
+    if (!statusCode) {
+        return true;
+    }
+    return statusCode >= 500;
+}
+
 function isRetryableStatusCode(statusCode?: number): boolean {
     if (!statusCode) {
         return false;
@@ -99,6 +106,75 @@ export function getCacheVersion(compressionMethod?: CompressionMethod): string {
         .digest("hex");
 }
 
+export async function retry<T>(
+    name: string,
+    method: () => Promise<T>,
+    getStatusCode: (T) => number | undefined,
+    maxAttempts = 2
+): Promise<T> {
+    let response: T | undefined = undefined;
+    let statusCode: number | undefined = undefined;
+    let isRetryable = false;
+    let errorMessage = "";
+    let attempt = 1;
+
+    while (attempt <= maxAttempts) {
+        try {
+            response = await method();
+            statusCode = getStatusCode(response);
+
+            if (!isServerErrorStatusCode(statusCode)) {
+                return response;
+            }
+
+            isRetryable = isRetryableStatusCode(statusCode);
+            errorMessage = `Cache service responded with ${statusCode}`;
+        } catch (error) {
+            isRetryable = true;
+            errorMessage = error.message;
+        }
+
+        core.debug(
+            `${name} - Attempt ${attempt} of ${maxAttempts} failed with error: ${errorMessage}`
+        );
+
+        if (!isRetryable) {
+            core.debug(`${name} - Error is not retryable`);
+            break;
+        }
+
+        attempt++;
+    }
+
+    throw Error(`${name} failed: ${errorMessage}`);
+}
+
+export async function retryTypedResponse<T>(
+    name: string,
+    method: () => Promise<ITypedResponse<T>>,
+    maxAttempts = 2
+): Promise<ITypedResponse<T>> {
+    return await retry(
+        name,
+        method,
+        (response: ITypedResponse<T>) => response.statusCode,
+        maxAttempts
+    );
+}
+
+export async function retryHttpClientResponse<T>(
+    name: string,
+    method: () => Promise<IHttpClientResponse>,
+    maxAttempts = 2
+): Promise<IHttpClientResponse> {
+    return await retry(
+        name,
+        method,
+        (response: IHttpClientResponse) => response.message.statusCode,
+        maxAttempts
+    );
+}
+
 export async function getCacheEntry(
     keys: string[],
     options?: CacheOptions
@@ -109,15 +185,13 @@ export async function getCacheEntry(
         keys.join(",")
     )}&version=${version}`;
 
-    const response = await httpClient.getJson<ArtifactCacheEntry>(
+    const response = await retryTypedResponse("getCacheEntry", () =>
-        getCacheApiUrl(resource)
+        httpClient.getJson<ArtifactCacheEntry>(getCacheApiUrl(resource))
     );
+
     if (response.statusCode === 204) {
         return null;
     }
-    if (!isSuccessStatusCode(response.statusCode)) {
-        throw new Error(`Cache service responded with ${response.statusCode}`);
-    }
 
     const cacheResult = response.result;
     const cacheDownloadUrl = cacheResult?.archiveLocation;
@@ -145,7 +219,10 @@ export async function downloadCache(
 ): Promise<void> {
     const stream = fs.createWriteStream(archivePath);
     const httpClient = new HttpClient("actions/cache");
-    const downloadResponse = await httpClient.get(archiveLocation);
+    const downloadResponse = await retryHttpClientResponse(
+        "downloadCache",
+        () => httpClient.get(archiveLocation)
+    );
 
     // Abort download if no traffic received over the socket.
     downloadResponse.message.socket.setTimeout(SocketTimeout, () => {
@@ -187,10 +264,13 @@ export async function reserveCache(
         key,
         version
     };
-    const response = await httpClient.postJson<ReserveCacheResponse>(
+    const response = await retryTypedResponse("reserveCache", () =>
-        getCacheApiUrl("caches"),
+        httpClient.postJson<ReserveCacheResponse>(
-        reserveCacheRequest
+            getCacheApiUrl("caches"),
+            reserveCacheRequest
+        )
     );
+
     return response?.result?.cacheId ?? -1;
 }
 
@@ -206,7 +286,7 @@ function getContentRange(start: number, end: number): string {
 async function uploadChunk(
     httpClient: HttpClient,
     resourceUrl: string,
-    data: NodeJS.ReadableStream,
+    openStream: () => NodeJS.ReadableStream,
     start: number,
     end: number
 ): Promise<void> {
@@ -227,28 +307,14 @@ async function uploadChunk(
         return await httpClient.sendStream(
             "PATCH",
             resourceUrl,
-            data,
+            openStream(),
             additionalHeaders
         );
     };
 
-    const response = await uploadChunkRequest();
+    await retryHttpClientResponse(
-    if (isSuccessStatusCode(response.message.statusCode)) {
+        `uploadChunk (start: ${start}, end: ${end})`,
-        return;
+        uploadChunkRequest
-    }
-
-    if (isRetryableStatusCode(response.message.statusCode)) {
-        core.debug(
-            `Received ${response.message.statusCode}, retrying chunk at offset ${start}.`
-        );
-        const retryResponse = await uploadChunkRequest();
-        if (isSuccessStatusCode(retryResponse.message.statusCode)) {
-            return;
-        }
-    }
-
-    throw new Error(
-        `Cache service responded with ${response.message.statusCode} during chunk upload.`
     );
 }
 
@@ -290,17 +356,17 @@ async function uploadFile(
                     const start = offset;
                     const end = offset + chunkSize - 1;
                     offset += MAX_CHUNK_SIZE;
-                    const chunk = fs.createReadStream(archivePath, {
-                        fd,
-                        start,
-                        end,
-                        autoClose: false
-                    });
 
                     await uploadChunk(
                         httpClient,
                         resourceUrl,
-                        chunk,
+                        () =>
+                            fs.createReadStream(archivePath, {
+                                fd,
+                                start,
+                                end,
+                                autoClose: false
+                            }),
                         start,
                         end
                     );
@@ -319,9 +385,11 @@ async function commitCache(
     filesize: number
 ): Promise<ITypedResponse<null>> {
     const commitCacheRequest: CommitCacheRequest = { size: filesize };
-    return await httpClient.postJson<null>(
+    return await retryTypedResponse("commitCache", () =>
-        getCacheApiUrl(`caches/${cacheId.toString()}`),
+        httpClient.postJson<null>(
-        commitCacheRequest
+            getCacheApiUrl(`caches/${cacheId.toString()}`),
+            commitCacheRequest
+        )
     );
 }
 

src/utils/actionUtils.ts

@@ -3,6 +3,7 @@ import * as exec from "@actions/exec";
 import * as glob from "@actions/glob";
 import * as io from "@actions/io";
 import * as fs from "fs";
+import * as os from "os";
 import * as path from "path";
 import * as util from "util";
 import * as uuidV4 from "uuid/v4";
@@ -148,6 +149,11 @@ async function getVersion(app: string): Promise<string> {
 }
 
 export async function getCompressionMethod(): Promise<CompressionMethod> {
+    // Disabling zstd on Windows due to https://github.com/actions/cache/issues/301
+    if (os.platform() === "win32") {
+        return CompressionMethod.Gzip;
+    }
+
     const versionOutput = await getVersion("zstd");
     return versionOutput.toLowerCase().includes("zstd command line interface")
         ? CompressionMethod.Zstd