text: import os
  
  from rectifier import settings
  from healthcheck import HealthCheck
  from redis.exceptions import ConnectionError, TimeoutError
  
  
  class HealthChecker:
      """
      Configures a health checker
      """
  
      def __init__(self, redis_storage):
          self._redis_store = redis_storage
          self._health_check = HealthCheck(
              failed_status=settings.HEALTH_CHECKER_FAILED_STATUS
          )
  
          self._health_check.add_section(
              'commit', os.environ.get('HEROKU_SLUG_COMMIT', None)
          )
          self._health_check.add_section(
              'release', {"version": os.environ.get('HEROKU_RELEASE_VERSION', None)}
          )
          self._health_check.add_check(self._redis_available)
  
      def _redis_available(self):
          try:
              info = self._redis_store.redis.info()
          except ConnectionError:
              return False, "Could not connect to Redis instance"
          except TimeoutError:
              return False, "Redis connection timed out"
          return True, info
  
      def run(self):
          return self._health_check.run()
  