From 9f1d96c022002a6dad7ee107e39aa818003164d4 Mon Sep 17 00:00:00 2001
From: Diego d'Ursel <diego@rightsup.com>
Date: Fri, 8 Jun 2018 23:33:56 +0200
Subject: [PATCH] Add /healthz to the ignored requests (#2121)

---
 google-cloud-trace/lib/google/cloud/trace/time_sampler.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/google-cloud-trace/lib/google/cloud/trace/time_sampler.rb b/google-cloud-trace/lib/google/cloud/trace/time_sampler.rb
index 032a2ad6b727..0af6e5dd5cd0 100644
--- a/google-cloud-trace/lib/google/cloud/trace/time_sampler.rb
+++ b/google-cloud-trace/lib/google/cloud/trace/time_sampler.rb
@@ -30,7 +30,8 @@ module Trace
       #
       # 1.  It allows you to blacklist certain URI paths that should never be
       #     traced. For example, the Google App Engine health check request
-      #     path `/_ah/health` is blacklisted by default.
+      #     path `/_ah/health` is blacklisted by default. Kubernetes default
+      #     health check `/healthz` is also ignored.
       # 2.  It spaces samples out by delaying a minimum time between each
       #     sample. This enforces a maximum QPS for this Ruby process.
       #
@@ -38,7 +39,7 @@ class TimeSampler
         ##
         # Default list of paths for which to disable traces. Currently includes
         # App Engine Flex health checks.
-        DEFAULT_PATH_BLACKLIST = ["/_ah/health"].freeze
+        DEFAULT_PATH_BLACKLIST = ["/_ah/health", "/healthz"].freeze
 
         ##
         # Create a TimeSampler for the given QPS.