Carlos Florêncio
57 lines
2.0 KiB
TypeScript
57 lines
2.0 KiB
TypeScript
import { dwell } from "./causal-waits";
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const appStatePath = "/api/v1/app-state?path=%2Fsettings%2Fagents";
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// The backend serves a temporary bootstrap response while it restores the
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// database. CI can spend tens of seconds in that window when many shards
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// start together, so keep the bounded retry longer than the normal readiness
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// probe without waiting forever on a genuinely unhealthy server.
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const MAX_STARTUP_RETRIES = 120;
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const STARTUP_RETRY_DELAY_MS = 500;
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export async function loadInterimSettingsInterlockToken(baseUrl: string): Promise<string> {
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let lastError: unknown;
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for (let attempt = 0; attempt < MAX_STARTUP_RETRIES; attempt++) {
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let response: Response;
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try {
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response = await fetch(`${baseUrl}${appStatePath}`);
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} catch (error) {
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lastError = error;
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if (attempt === MAX_STARTUP_RETRIES - 1) {
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throw new Error("Unable to load E2E settings interlock after backend startup retries", {
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cause: error,
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});
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}
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await dwell(
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STARTUP_RETRY_DELAY_MS,
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"poll-interval",
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"backend startup before the settings interlock is reachable",
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);
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continue;
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}
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if (response.ok) {
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const payload = (await response.json()) as { interimSettingsInterlockToken?: unknown };
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if (
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typeof payload.interimSettingsInterlockToken !== "string" ||
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!payload.interimSettingsInterlockToken
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) {
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throw new Error("E2E settings interlock token missing from boot payload");
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}
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return payload.interimSettingsInterlockToken;
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}
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if (response.status !== 503 || attempt === MAX_STARTUP_RETRIES - 1) {
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throw new Error(`Unable to load E2E settings interlock (${response.status})`);
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}
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await dwell(
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STARTUP_RETRY_DELAY_MS,
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"poll-interval",
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"backend startup before the settings interlock is available",
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);
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}
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throw new Error("Unable to load E2E settings interlock after backend startup retries", {
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cause: lastError,
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});
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}
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