From ec943b23028d7360565a48f2148556fbf874ada5 Mon Sep 17 00:00:00 2001
From: zhuojie <zhuojie@checkr.com>
Date: Fri, 8 Mar 2019 18:03:43 -0800
Subject: [PATCH] Add EvalDebugEnabled env variable

---
 pkg/config/env.go   | 5 +++++
 pkg/handler/eval.go | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkg/config/env.go b/pkg/config/env.go
index 8c0feb36..dc543e24 100644
--- a/pkg/config/env.go
+++ b/pkg/config/env.go
@@ -30,6 +30,11 @@ var Config = struct {
 	EvalCacheRefreshTimeout time.Duration `env:"FLAGR_EVALCACHE_REFRESHTIMEOUT" envDefault:"59s"`
 	// EvalCacheRefreshInterval - time interval of getting the flags data from DB into the in-memory evaluation cache
 	EvalCacheRefreshInterval time.Duration `env:"FLAGR_EVALCACHE_REFRESHINTERVAL" envDefault:"3s"`
+	// EvalEnableDebug - controls if we want to return evaluation debugging information back to the api requests
+	// Note that this is a global switch:
+	//     if it's disabled, no evaluation debug info will be returned.
+	//     if it's enabled, it respects evaluation request's enableDebug field
+	EvalDebugEnabled bool `env:"FLAGR_EVAL_DEBUG_ENABLED" envDefault:"true"`
 
 	// DBDriver - Flagr supports sqlite3, mysql, postgres
 	DBDriver string `env:"FLAGR_DB_DBDRIVER" envDefault:"sqlite3"`
diff --git a/pkg/handler/eval.go b/pkg/handler/eval.go
index cfe2d8b4..85ce805a 100644
--- a/pkg/handler/eval.go
+++ b/pkg/handler/eval.go
@@ -144,7 +144,7 @@ var evalFlag = func(evalContext models.EvalContext) *models.EvalResult {
 	for _, segment := range f.Segments {
 		sID = util.Int64Ptr(int64(segment.ID))
 		variantID, log, evalNextSegment := evalSegment(f.ID, evalContext, segment)
-		if evalContext.EnableDebug {
+		if config.Config.EvalDebugEnabled && evalContext.EnableDebug {
 			logs = append(logs, log)
 		}
 		if variantID != nil {