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Cache Status Analyzer ​

Analyzer IDCategorySeverityTime To Fix
cache-status✅ ReliabilityCritical15 minutes

What This Checks ​

  • Performs a real cache write/read/forget cycle using the configured default cache store
  • Reports failures when the cache driver throws exceptions or returns unexpected values
  • Skips automatically in CI (where cache backends may not be available)
  • Points to config/cache.php so you know where to fix connection details

Why It Matters ​

  • Session stability: Laravel sessions, rate limiters, and queues often depend on Redis/Memcached; if cache is offline, user logins fail silently
  • Deployment surprises: Misconfigured cache hosts or credentials show up only at runtime—this analyzer surfaces them before production deploys
  • Shared environments: Platform-as-a-service providers require explicit configuration; forgetting a prefix or host leads to cross-tenant leaks

How to Fix ​

Quick Fix (5 minutes) ​

  1. Verify your cache server is running and reachable:
bash
redis-cli ping
  1. Update config/cache.php with the correct connection/credentials:
php
'redis' => [
    'driver' => 'redis',
    'connection' => 'cache',
],
  1. Deploy updated .env values (REDIS_HOST, REDIS_PASSWORD, etc.)

Proper Fix (15 minutes) ​

  1. Add monitoring: Use a health endpoint or Laravel Pulse to confirm cache availability continuously
  2. Graceful degradation: Add fallbacks (Cache::remember() with local defaults) for critical flows
  3. Automate testing: Include a smoke test in CI/CD that boots the app and runs php artisan cache:table/php artisan config:cache
  4. Secure credentials: Ensure secrets are injected securely (Vault/Parameter Store) so deployments don’t reference outdated hosts
  5. Document recovery steps: Standardize how to restart Redis/Memcached, flush keys, or switch to the array driver temporarily

ShieldCI Configuration ​

This analyzer is automatically skipped in CI environments ($runInCI = false).

Why skip in CI?

  • Cache backends (Redis, Memcached) may not be available in CI pipelines
  • CI environments often use different cache configurations (array/file) than production
  • Prevents false failures when external cache services aren't configured in CI

When to run this analyzer:

  • ✅ Local development: Ensures your cache is properly configured during development
  • ✅ Staging/Production servers: Confirms cache is accessible and functioning
  • ❌ CI/CD pipelines: Skipped automatically (cache services typically unavailable)

References ​

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