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Merge pull request #306 from actions/with-retries

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Add retries to all API calls
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David Hadka 2020-05-11 16:56:45 -05:00 committed by GitHub
commit bac1a40c81
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4 changed files with 350 additions and 74 deletions
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140
__tests__/cacheHttpsClient.test.ts
View file

@ -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
);
});

74
dist/restore/index.js vendored
View file

@ -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;
@ -2246,13 +2252,57 @@ 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;
}
@ -2281,7 +2331,7 @@ 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 +2363,7 @@ 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);
});
}
@ -2335,21 +2385,7 @@ function uploadChunk(httpClient, resourceUrl, openStream, start, end) {
"Content-Type": "application/octet-stream",
"Content-Range": getContentRange(start, end)
};
const uploadChunkRequest = () => __awaiter(this, void 0, void 0, function* () {
return yield httpClient.sendStream("PATCH", resourceUrl, openStream(), additionalHeaders);
});
const response = yield 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.`);
yield retryHttpClientResponse(`uploadChunk (start: ${start}, end: ${end})`, () => httpClient.sendStream("PATCH", resourceUrl, openStream(), additionalHeaders));
});
}
function parseEnvNumber(key) {
@ -2401,7 +2437,7 @@ function uploadFile(httpClient, cacheId, archivePath) {
function commitCache(httpClient, cacheId, filesize) {
return __awaiter(this, void 0, void 0, function* () {
const commitCacheRequest = { size: filesize };
return yield httpClient.postJson(getCacheApiUrl(`caches/${cacheId.toString()}`), commitCacheRequest);
return yield retryTypedResponse("commitCache", () => httpClient.postJson(getCacheApiUrl(`caches/${cacheId.toString()}`), commitCacheRequest));
});
}
function saveCache(cacheId, archivePath) {

74
dist/save/index.js vendored
View file

@ -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;
@ -2246,13 +2252,57 @@ 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;
}
@ -2281,7 +2331,7 @@ 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 +2363,7 @@ 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);
});
}
@ -2335,21 +2385,7 @@ function uploadChunk(httpClient, resourceUrl, openStream, start, end) {
"Content-Type": "application/octet-stream",
"Content-Range": getContentRange(start, end)
};
const uploadChunkRequest = () => __awaiter(this, void 0, void 0, function* () {
return yield httpClient.sendStream("PATCH", resourceUrl, openStream(), additionalHeaders);
});
const response = yield 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.`);
yield retryHttpClientResponse(`uploadChunk (start: ${start}, end: ${end})`, () => httpClient.sendStream("PATCH", resourceUrl, openStream(), additionalHeaders));
});
}
function parseEnvNumber(key) {
@ -2401,7 +2437,7 @@ function uploadFile(httpClient, cacheId, archivePath) {
function commitCache(httpClient, cacheId, filesize) {
return __awaiter(this, void 0, void 0, function* () {
const commitCacheRequest = { size: filesize };
return yield httpClient.postJson(getCacheApiUrl(`caches/${cacheId.toString()}`), commitCacheRequest);
return yield retryTypedResponse("commitCache", () => httpClient.postJson(getCacheApiUrl(`caches/${cacheId.toString()}`), commitCacheRequest));
});
}
function saveCache(cacheId, archivePath) {

136
src/cacheHttpClient.ts
View file

@ -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: ${errorMessage}`);
}
export async function retryTypedResponse<T>(
name: string,
method: () => Promise<ITypedResponse<T>>,
maxAttempts = 2
): Promise<ITypedResponse<T>> {
return await retry(
name,
method,
(response: ITypedResponse<T>) => response.statusCode,
maxAttempts
);
}
export async function retryHttpClientResponse<T>(
name: string,
method: () => Promise<IHttpClientResponse>,
maxAttempts = 2
): Promise<IHttpClientResponse> {
return await retry(
name,
method,
(response: IHttpClientResponse) => response.message.statusCode,
maxAttempts
);
}
export async function getCacheEntry(
keys: string[],
options?: CacheOptions
@ -109,8 +185,8 @@ export async function getCacheEntry(
keys.join(",")
)}&version=${version}`;
const response = await httpClient.getJson<ArtifactCacheEntry>(
getCacheApiUrl(resource)
const response = await retryTypedResponse("getCacheEntry", () =>
httpClient.getJson<ArtifactCacheEntry>(getCacheApiUrl(resource))
);
if (response.statusCode === 204) {
return null;
@ -145,7 +221,10 @@ 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, () => {
@ -187,9 +266,11 @@ export async function reserveCache(
key,
version
};
const response = await httpClient.postJson<ReserveCacheResponse>(
getCacheApiUrl("caches"),
reserveCacheRequest
const response = await retryTypedResponse("reserveCache", () =>
httpClient.postJson<ReserveCacheResponse>(
getCacheApiUrl("caches"),
reserveCacheRequest
)
);
return response?.result?.cacheId ?? -1;
}
@ -223,32 +304,15 @@ async function uploadChunk(
"Content-Range": getContentRange(start, end)
};
const uploadChunkRequest = async (): Promise<IHttpClientResponse> => {
return await httpClient.sendStream(
"PATCH",
resourceUrl,
openStream(),
additionalHeaders
);
};
const response = await 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 = await uploadChunkRequest();
if (isSuccessStatusCode(retryResponse.message.statusCode)) {
return;
}
}
throw new Error(
`Cache service responded with ${response.message.statusCode} during chunk upload.`
await retryHttpClientResponse(
`uploadChunk (start: ${start}, end: ${end})`,
() =>
httpClient.sendStream(
"PATCH",
resourceUrl,
openStream(),
additionalHeaders
)
);
}
@ -325,9 +389,11 @@ async function commitCache(
filesize: number
): Promise<ITypedResponse<null>> {
const commitCacheRequest: CommitCacheRequest = { size: filesize };
return await httpClient.postJson<null>(
getCacheApiUrl(`caches/${cacheId.toString()}`),
commitCacheRequest
return await retryTypedResponse("commitCache", () =>
httpClient.postJson<null>(
getCacheApiUrl(`caches/${cacheId.toString()}`),
commitCacheRequest
)
);
}