feat: make SupersetClient retry on 502-504 (#34290)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

superset-frontend/src/setup/setupClient.ts

@@ -31,12 +31,44 @@ function getDefaultConfiguration(): ClientConfig {
     bootstrapData.common.conf.JWT_ACCESS_CSRF_COOKIE_NAME;
   const cookieCSRFToken = parseCookie()[jwtAccessCsrfCookieName] || '';
 
+  // Configure retry behavior from backend settings
+  const retryConfig = bootstrapData.common.conf;
+
+  // Create exponential backoff delay function with jitter
+  const createRetryDelayFunction = () => {
+    const baseDelay = retryConfig.SUPERSET_CLIENT_RETRY_DELAY || 1000;
+    const multiplier =
+      retryConfig.SUPERSET_CLIENT_RETRY_BACKOFF_MULTIPLIER || 2;
+    const maxDelay = retryConfig.SUPERSET_CLIENT_RETRY_MAX_DELAY || 10000;
+
+    return (attempt: number) => {
+      // Calculate exponential backoff: baseDelay * Math.pow(multiplier, attempt)
+      const safeAttempt = Math.min(attempt, 10); // Limit attempt to prevent overflow
+      const exponentialDelay = baseDelay * Math.pow(multiplier, safeAttempt);
+
+      // Apply max delay cap
+      const cappedDelay = Math.min(exponentialDelay, maxDelay);
+
+      // Add random jitter to prevent thundering herd
+      const jitter = Math.random() * cappedDelay;
+
+      return cappedDelay + jitter;
+    };
+  };
+
+  const fetchRetryOptions = {
+    retries: retryConfig.SUPERSET_CLIENT_RETRY_ATTEMPTS || 3,
+    retryDelay: createRetryDelayFunction(),
+    retryOn: retryConfig.SUPERSET_CLIENT_RETRY_STATUS_CODES || [502, 503, 504],
+  };
+
   return {
     protocol: ['http:', 'https:'].includes(window?.location?.protocol)
       ? (window?.location?.protocol as 'http:' | 'https:')
       : undefined,
     host: window.location?.host || '',
     csrfToken: csrfToken || cookieCSRFToken,
+    fetchRetryOptions,
   };
 }