From faae6a7c3b9af1411503326335dbbe6de234256c Mon Sep 17 00:00:00 2001
From: stefanprodan <stefan.prodan@gmail.com>
Date: Wed, 9 Oct 2019 16:03:30 +0300
Subject: [PATCH] Add env vars for Slack and Teams URLs

---
 cmd/flagger/main.go | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/cmd/flagger/main.go b/cmd/flagger/main.go
index 5556a940..44c4810d 100644
--- a/cmd/flagger/main.go
+++ b/cmd/flagger/main.go
@@ -286,10 +286,10 @@ func startLeaderElection(ctx context.Context, run func(), ns string, kubeClient
 
 func initNotifier(logger *zap.SugaredLogger) (client notifier.Interface) {
 	provider := "slack"
-	notifierURL := slackURL
+	notifierURL := fromEnv("SLACK_URL", slackURL)
 	if msteamsURL != "" {
 		provider = "msteams"
-		notifierURL = msteamsURL
+		notifierURL = fromEnv("MSTEAMS_URL", msteamsURL)
 	}
 	notifierFactory := notifier.NewFactory(notifierURL, slackUser, slackChannel)
 
@@ -304,3 +304,10 @@ func initNotifier(logger *zap.SugaredLogger) (client notifier.Interface) {
 	}
 	return
 }
+
+func fromEnv(envVar string, defaultVal string) string {
+	if os.Getenv(envVar) != "" {
+		return os.Getenv(envVar)
+	}
+	return defaultVal
+}