I hate Redis!

- Remove redis check from our health endpoint in prod entirely
- Have the redis check have a maximum timeout of 1 second

health/healthcheck.py

@@ -10,16 +10,17 @@ def get_healthchecker(app, config_provider):
 
 
 class HealthCheck(object):
-  def __init__(self, app, config_provider):
+  def __init__(self, app, config_provider, instance_skips=None):
     self.app = app
     self.config_provider = config_provider
+    self.instance_skips = instance_skips or []
 
   def check_instance(self):
     """
     Conducts a check on this specific instance, returning a dict representing the HealthCheck
     output and a number indicating the health check response code.
     """
-    service_statuses = check_all_services(self.app)
+    service_statuses = check_all_services(self.app, skip=self.instance_skips)
     return self.get_instance_health(service_statuses)
 
   def check_endtoend(self):
@@ -80,7 +81,7 @@ class LocalHealthCheck(HealthCheck):
 
 class ProductionHealthCheck(HealthCheck):
   def __init__(self, app, config_provider, access_key, secret_key, db_instance='quay'):
-    super(ProductionHealthCheck, self).__init__(app, config_provider)
+    super(ProductionHealthCheck, self).__init__(app, config_provider, ['redis'])
     self.access_key = access_key
     self.secret_key = secret_key
     self.db_instance = db_instance
@@ -92,7 +93,7 @@ class ProductionHealthCheck(HealthCheck):
   def get_instance_health(self, service_statuses):
     # Note: We skip the redis check because if redis is down, we don't want ELB taking the
     # machines out of service. Redis is not considered a high avaliability-required service.
-    skip = ['redis']
+    skip = []
     notes = []
 
     # If the database is marked as unhealthy, check the status of RDS directly. If RDS is