425 lines
17 KiB
JavaScript
425 lines
17 KiB
JavaScript
var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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// src/index.ts
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var src_exports = {};
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__export(src_exports, {
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AdaptiveRetryStrategy: () => AdaptiveRetryStrategy,
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CONFIG_MAX_ATTEMPTS: () => CONFIG_MAX_ATTEMPTS,
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CONFIG_RETRY_MODE: () => CONFIG_RETRY_MODE,
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ENV_MAX_ATTEMPTS: () => ENV_MAX_ATTEMPTS,
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ENV_RETRY_MODE: () => ENV_RETRY_MODE,
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NODE_MAX_ATTEMPT_CONFIG_OPTIONS: () => NODE_MAX_ATTEMPT_CONFIG_OPTIONS,
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NODE_RETRY_MODE_CONFIG_OPTIONS: () => NODE_RETRY_MODE_CONFIG_OPTIONS,
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StandardRetryStrategy: () => StandardRetryStrategy,
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defaultDelayDecider: () => defaultDelayDecider,
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defaultRetryDecider: () => defaultRetryDecider,
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getOmitRetryHeadersPlugin: () => getOmitRetryHeadersPlugin,
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getRetryAfterHint: () => getRetryAfterHint,
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getRetryPlugin: () => getRetryPlugin,
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omitRetryHeadersMiddleware: () => omitRetryHeadersMiddleware,
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omitRetryHeadersMiddlewareOptions: () => omitRetryHeadersMiddlewareOptions,
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resolveRetryConfig: () => resolveRetryConfig,
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retryMiddleware: () => retryMiddleware,
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retryMiddlewareOptions: () => retryMiddlewareOptions
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});
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module.exports = __toCommonJS(src_exports);
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// src/AdaptiveRetryStrategy.ts
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// src/StandardRetryStrategy.ts
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var import_protocol_http = require("@smithy/protocol-http");
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var import_uuid = require("uuid");
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// src/defaultRetryQuota.ts
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var import_util_retry = require("@smithy/util-retry");
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var getDefaultRetryQuota = /* @__PURE__ */ __name((initialRetryTokens, options) => {
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const MAX_CAPACITY = initialRetryTokens;
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const noRetryIncrement = (options == null ? void 0 : options.noRetryIncrement) ?? import_util_retry.NO_RETRY_INCREMENT;
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const retryCost = (options == null ? void 0 : options.retryCost) ?? import_util_retry.RETRY_COST;
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const timeoutRetryCost = (options == null ? void 0 : options.timeoutRetryCost) ?? import_util_retry.TIMEOUT_RETRY_COST;
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let availableCapacity = initialRetryTokens;
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const getCapacityAmount = /* @__PURE__ */ __name((error) => error.name === "TimeoutError" ? timeoutRetryCost : retryCost, "getCapacityAmount");
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const hasRetryTokens = /* @__PURE__ */ __name((error) => getCapacityAmount(error) <= availableCapacity, "hasRetryTokens");
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const retrieveRetryTokens = /* @__PURE__ */ __name((error) => {
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if (!hasRetryTokens(error)) {
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throw new Error("No retry token available");
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}
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const capacityAmount = getCapacityAmount(error);
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availableCapacity -= capacityAmount;
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return capacityAmount;
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}, "retrieveRetryTokens");
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const releaseRetryTokens = /* @__PURE__ */ __name((capacityReleaseAmount) => {
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availableCapacity += capacityReleaseAmount ?? noRetryIncrement;
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availableCapacity = Math.min(availableCapacity, MAX_CAPACITY);
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}, "releaseRetryTokens");
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return Object.freeze({
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hasRetryTokens,
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retrieveRetryTokens,
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releaseRetryTokens
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});
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}, "getDefaultRetryQuota");
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// src/delayDecider.ts
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var defaultDelayDecider = /* @__PURE__ */ __name((delayBase, attempts) => Math.floor(Math.min(import_util_retry.MAXIMUM_RETRY_DELAY, Math.random() * 2 ** attempts * delayBase)), "defaultDelayDecider");
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// src/retryDecider.ts
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var import_service_error_classification = require("@smithy/service-error-classification");
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var defaultRetryDecider = /* @__PURE__ */ __name((error) => {
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if (!error) {
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return false;
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}
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return (0, import_service_error_classification.isRetryableByTrait)(error) || (0, import_service_error_classification.isClockSkewError)(error) || (0, import_service_error_classification.isThrottlingError)(error) || (0, import_service_error_classification.isTransientError)(error);
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}, "defaultRetryDecider");
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// src/util.ts
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var asSdkError = /* @__PURE__ */ __name((error) => {
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if (error instanceof Error)
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return error;
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if (error instanceof Object)
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return Object.assign(new Error(), error);
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if (typeof error === "string")
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return new Error(error);
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return new Error(`AWS SDK error wrapper for ${error}`);
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}, "asSdkError");
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// src/StandardRetryStrategy.ts
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var _StandardRetryStrategy = class _StandardRetryStrategy {
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constructor(maxAttemptsProvider, options) {
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this.maxAttemptsProvider = maxAttemptsProvider;
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this.mode = import_util_retry.RETRY_MODES.STANDARD;
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this.retryDecider = (options == null ? void 0 : options.retryDecider) ?? defaultRetryDecider;
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this.delayDecider = (options == null ? void 0 : options.delayDecider) ?? defaultDelayDecider;
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this.retryQuota = (options == null ? void 0 : options.retryQuota) ?? getDefaultRetryQuota(import_util_retry.INITIAL_RETRY_TOKENS);
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}
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shouldRetry(error, attempts, maxAttempts) {
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return attempts < maxAttempts && this.retryDecider(error) && this.retryQuota.hasRetryTokens(error);
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}
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async getMaxAttempts() {
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let maxAttempts;
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try {
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maxAttempts = await this.maxAttemptsProvider();
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} catch (error) {
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maxAttempts = import_util_retry.DEFAULT_MAX_ATTEMPTS;
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}
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return maxAttempts;
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}
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async retry(next, args, options) {
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let retryTokenAmount;
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let attempts = 0;
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let totalDelay = 0;
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const maxAttempts = await this.getMaxAttempts();
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const { request } = args;
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if (import_protocol_http.HttpRequest.isInstance(request)) {
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request.headers[import_util_retry.INVOCATION_ID_HEADER] = (0, import_uuid.v4)();
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}
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while (true) {
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try {
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if (import_protocol_http.HttpRequest.isInstance(request)) {
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request.headers[import_util_retry.REQUEST_HEADER] = `attempt=${attempts + 1}; max=${maxAttempts}`;
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}
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if (options == null ? void 0 : options.beforeRequest) {
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await options.beforeRequest();
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}
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const { response, output } = await next(args);
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if (options == null ? void 0 : options.afterRequest) {
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options.afterRequest(response);
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}
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this.retryQuota.releaseRetryTokens(retryTokenAmount);
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output.$metadata.attempts = attempts + 1;
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output.$metadata.totalRetryDelay = totalDelay;
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return { response, output };
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} catch (e) {
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const err = asSdkError(e);
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attempts++;
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if (this.shouldRetry(err, attempts, maxAttempts)) {
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retryTokenAmount = this.retryQuota.retrieveRetryTokens(err);
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const delayFromDecider = this.delayDecider(
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(0, import_service_error_classification.isThrottlingError)(err) ? import_util_retry.THROTTLING_RETRY_DELAY_BASE : import_util_retry.DEFAULT_RETRY_DELAY_BASE,
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attempts
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);
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const delayFromResponse = getDelayFromRetryAfterHeader(err.$response);
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const delay = Math.max(delayFromResponse || 0, delayFromDecider);
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totalDelay += delay;
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await new Promise((resolve) => setTimeout(resolve, delay));
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continue;
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}
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if (!err.$metadata) {
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err.$metadata = {};
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}
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err.$metadata.attempts = attempts;
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err.$metadata.totalRetryDelay = totalDelay;
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throw err;
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}
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}
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}
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};
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__name(_StandardRetryStrategy, "StandardRetryStrategy");
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var StandardRetryStrategy = _StandardRetryStrategy;
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var getDelayFromRetryAfterHeader = /* @__PURE__ */ __name((response) => {
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if (!import_protocol_http.HttpResponse.isInstance(response))
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return;
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const retryAfterHeaderName = Object.keys(response.headers).find((key) => key.toLowerCase() === "retry-after");
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if (!retryAfterHeaderName)
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return;
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const retryAfter = response.headers[retryAfterHeaderName];
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const retryAfterSeconds = Number(retryAfter);
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if (!Number.isNaN(retryAfterSeconds))
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return retryAfterSeconds * 1e3;
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const retryAfterDate = new Date(retryAfter);
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return retryAfterDate.getTime() - Date.now();
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}, "getDelayFromRetryAfterHeader");
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// src/AdaptiveRetryStrategy.ts
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var _AdaptiveRetryStrategy = class _AdaptiveRetryStrategy extends StandardRetryStrategy {
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constructor(maxAttemptsProvider, options) {
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const { rateLimiter, ...superOptions } = options ?? {};
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super(maxAttemptsProvider, superOptions);
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this.rateLimiter = rateLimiter ?? new import_util_retry.DefaultRateLimiter();
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this.mode = import_util_retry.RETRY_MODES.ADAPTIVE;
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}
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async retry(next, args) {
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return super.retry(next, args, {
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beforeRequest: async () => {
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return this.rateLimiter.getSendToken();
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},
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afterRequest: (response) => {
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this.rateLimiter.updateClientSendingRate(response);
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}
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});
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}
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};
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__name(_AdaptiveRetryStrategy, "AdaptiveRetryStrategy");
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var AdaptiveRetryStrategy = _AdaptiveRetryStrategy;
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// src/configurations.ts
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var import_util_middleware = require("@smithy/util-middleware");
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var ENV_MAX_ATTEMPTS = "AWS_MAX_ATTEMPTS";
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var CONFIG_MAX_ATTEMPTS = "max_attempts";
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var NODE_MAX_ATTEMPT_CONFIG_OPTIONS = {
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environmentVariableSelector: (env) => {
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const value = env[ENV_MAX_ATTEMPTS];
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if (!value)
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return void 0;
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const maxAttempt = parseInt(value);
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if (Number.isNaN(maxAttempt)) {
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throw new Error(`Environment variable ${ENV_MAX_ATTEMPTS} mast be a number, got "${value}"`);
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}
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return maxAttempt;
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},
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configFileSelector: (profile) => {
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const value = profile[CONFIG_MAX_ATTEMPTS];
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if (!value)
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return void 0;
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const maxAttempt = parseInt(value);
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if (Number.isNaN(maxAttempt)) {
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throw new Error(`Shared config file entry ${CONFIG_MAX_ATTEMPTS} mast be a number, got "${value}"`);
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}
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return maxAttempt;
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},
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default: import_util_retry.DEFAULT_MAX_ATTEMPTS
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};
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var resolveRetryConfig = /* @__PURE__ */ __name((input) => {
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const { retryStrategy } = input;
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const maxAttempts = (0, import_util_middleware.normalizeProvider)(input.maxAttempts ?? import_util_retry.DEFAULT_MAX_ATTEMPTS);
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return {
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...input,
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maxAttempts,
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retryStrategy: async () => {
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if (retryStrategy) {
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return retryStrategy;
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}
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const retryMode = await (0, import_util_middleware.normalizeProvider)(input.retryMode)();
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if (retryMode === import_util_retry.RETRY_MODES.ADAPTIVE) {
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return new import_util_retry.AdaptiveRetryStrategy(maxAttempts);
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}
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return new import_util_retry.StandardRetryStrategy(maxAttempts);
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}
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};
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}, "resolveRetryConfig");
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var ENV_RETRY_MODE = "AWS_RETRY_MODE";
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var CONFIG_RETRY_MODE = "retry_mode";
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var NODE_RETRY_MODE_CONFIG_OPTIONS = {
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environmentVariableSelector: (env) => env[ENV_RETRY_MODE],
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configFileSelector: (profile) => profile[CONFIG_RETRY_MODE],
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default: import_util_retry.DEFAULT_RETRY_MODE
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};
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// src/omitRetryHeadersMiddleware.ts
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var omitRetryHeadersMiddleware = /* @__PURE__ */ __name(() => (next) => async (args) => {
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const { request } = args;
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if (import_protocol_http.HttpRequest.isInstance(request)) {
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delete request.headers[import_util_retry.INVOCATION_ID_HEADER];
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delete request.headers[import_util_retry.REQUEST_HEADER];
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}
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return next(args);
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}, "omitRetryHeadersMiddleware");
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var omitRetryHeadersMiddlewareOptions = {
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name: "omitRetryHeadersMiddleware",
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tags: ["RETRY", "HEADERS", "OMIT_RETRY_HEADERS"],
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relation: "before",
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toMiddleware: "awsAuthMiddleware",
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override: true
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};
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var getOmitRetryHeadersPlugin = /* @__PURE__ */ __name((options) => ({
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applyToStack: (clientStack) => {
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clientStack.addRelativeTo(omitRetryHeadersMiddleware(), omitRetryHeadersMiddlewareOptions);
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}
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}), "getOmitRetryHeadersPlugin");
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// src/retryMiddleware.ts
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var import_smithy_client = require("@smithy/smithy-client");
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var import_isStreamingPayload = require("./isStreamingPayload/isStreamingPayload");
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var retryMiddleware = /* @__PURE__ */ __name((options) => (next, context) => async (args) => {
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var _a;
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let retryStrategy = await options.retryStrategy();
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const maxAttempts = await options.maxAttempts();
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if (isRetryStrategyV2(retryStrategy)) {
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retryStrategy = retryStrategy;
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let retryToken = await retryStrategy.acquireInitialRetryToken(context["partition_id"]);
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let lastError = new Error();
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let attempts = 0;
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let totalRetryDelay = 0;
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const { request } = args;
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const isRequest = import_protocol_http.HttpRequest.isInstance(request);
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if (isRequest) {
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request.headers[import_util_retry.INVOCATION_ID_HEADER] = (0, import_uuid.v4)();
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}
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while (true) {
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try {
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if (isRequest) {
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request.headers[import_util_retry.REQUEST_HEADER] = `attempt=${attempts + 1}; max=${maxAttempts}`;
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}
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const { response, output } = await next(args);
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retryStrategy.recordSuccess(retryToken);
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output.$metadata.attempts = attempts + 1;
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output.$metadata.totalRetryDelay = totalRetryDelay;
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return { response, output };
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} catch (e) {
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const retryErrorInfo = getRetryErrorInfo(e);
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lastError = asSdkError(e);
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if (isRequest && (0, import_isStreamingPayload.isStreamingPayload)(request)) {
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(_a = context.logger instanceof import_smithy_client.NoOpLogger ? console : context.logger) == null ? void 0 : _a.warn(
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"An error was encountered in a non-retryable streaming request."
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);
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throw lastError;
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}
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try {
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retryToken = await retryStrategy.refreshRetryTokenForRetry(retryToken, retryErrorInfo);
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} catch (refreshError) {
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if (!lastError.$metadata) {
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lastError.$metadata = {};
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}
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lastError.$metadata.attempts = attempts + 1;
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lastError.$metadata.totalRetryDelay = totalRetryDelay;
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throw lastError;
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}
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attempts = retryToken.getRetryCount();
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const delay = retryToken.getRetryDelay();
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totalRetryDelay += delay;
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await new Promise((resolve) => setTimeout(resolve, delay));
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}
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}
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} else {
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retryStrategy = retryStrategy;
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if (retryStrategy == null ? void 0 : retryStrategy.mode)
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context.userAgent = [...context.userAgent || [], ["cfg/retry-mode", retryStrategy.mode]];
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return retryStrategy.retry(next, args);
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}
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}, "retryMiddleware");
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var isRetryStrategyV2 = /* @__PURE__ */ __name((retryStrategy) => typeof retryStrategy.acquireInitialRetryToken !== "undefined" && typeof retryStrategy.refreshRetryTokenForRetry !== "undefined" && typeof retryStrategy.recordSuccess !== "undefined", "isRetryStrategyV2");
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var getRetryErrorInfo = /* @__PURE__ */ __name((error) => {
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const errorInfo = {
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error,
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errorType: getRetryErrorType(error)
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};
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const retryAfterHint = getRetryAfterHint(error.$response);
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if (retryAfterHint) {
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errorInfo.retryAfterHint = retryAfterHint;
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}
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return errorInfo;
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}, "getRetryErrorInfo");
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var getRetryErrorType = /* @__PURE__ */ __name((error) => {
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if ((0, import_service_error_classification.isThrottlingError)(error))
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return "THROTTLING";
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if ((0, import_service_error_classification.isTransientError)(error))
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return "TRANSIENT";
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if ((0, import_service_error_classification.isServerError)(error))
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return "SERVER_ERROR";
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return "CLIENT_ERROR";
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}, "getRetryErrorType");
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var retryMiddlewareOptions = {
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name: "retryMiddleware",
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tags: ["RETRY"],
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step: "finalizeRequest",
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priority: "high",
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override: true
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};
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var getRetryPlugin = /* @__PURE__ */ __name((options) => ({
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applyToStack: (clientStack) => {
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clientStack.add(retryMiddleware(options), retryMiddlewareOptions);
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}
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}), "getRetryPlugin");
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var getRetryAfterHint = /* @__PURE__ */ __name((response) => {
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if (!import_protocol_http.HttpResponse.isInstance(response))
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return;
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const retryAfterHeaderName = Object.keys(response.headers).find((key) => key.toLowerCase() === "retry-after");
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if (!retryAfterHeaderName)
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return;
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const retryAfter = response.headers[retryAfterHeaderName];
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const retryAfterSeconds = Number(retryAfter);
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if (!Number.isNaN(retryAfterSeconds))
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return new Date(retryAfterSeconds * 1e3);
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const retryAfterDate = new Date(retryAfter);
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return retryAfterDate;
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}, "getRetryAfterHint");
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// Annotate the CommonJS export names for ESM import in node:
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0 && (module.exports = {
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AdaptiveRetryStrategy,
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StandardRetryStrategy,
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|
ENV_MAX_ATTEMPTS,
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|
CONFIG_MAX_ATTEMPTS,
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|
NODE_MAX_ATTEMPT_CONFIG_OPTIONS,
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resolveRetryConfig,
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|
ENV_RETRY_MODE,
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|
CONFIG_RETRY_MODE,
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|
NODE_RETRY_MODE_CONFIG_OPTIONS,
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|
defaultDelayDecider,
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|
omitRetryHeadersMiddleware,
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|
omitRetryHeadersMiddlewareOptions,
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|
getOmitRetryHeadersPlugin,
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|
defaultRetryDecider,
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retryMiddleware,
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retryMiddlewareOptions,
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getRetryPlugin,
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getRetryAfterHint
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});
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