From b93ba338b39fd61aa0d300261bcfca30c0fcfc94 Mon Sep 17 00:00:00 2001
From: Jordan Halterman <jordan.halterman@gmail.com>
Date: Fri, 21 Apr 2023 14:40:08 -0700
Subject: [PATCH] Add LOGGING_CONFIG environment variable for explicitly
 setting the path to the logging configuration file

---
 config.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/config.go b/config.go
index b40f5dd..4d60a14 100644
--- a/config.go
+++ b/config.go
@@ -12,6 +12,7 @@ import (
 )
 
 const configFile = "logging.yaml"
+const configEnv = "LOGGING_CONFIG"
 
 type loggingConfig struct {
 	Encoders   encodersConfig          `json:"encoders" yaml:"encoders"`
@@ -34,6 +35,16 @@ func (c *loggingConfig) getLogger(name string) (loggerConfig, bool) {
 
 // load the dazl configuration
 func load(config *loggingConfig) error {
+	configPath := os.Getenv(configEnv)
+	if configPath != "" {
+		bytes, err := os.ReadFile(configPath)
+		if err == nil {
+			return yaml.Unmarshal(bytes, config)
+		} else if !os.IsNotExist(err) {
+			return err
+		}
+	}
+
 	bytes, err := os.ReadFile(configFile)
 	if err == nil {
 		return yaml.Unmarshal(bytes, config)