allow SNS subject configurable

Author: crm-dhu

.sprinkler.yaml

@@ -35,6 +35,11 @@ cleanup:
   workflowActivationLock: "1h"
   workflowSchedulerLock: "1h"
 
+# SNS notification configuration
+sns:
+  # Subject for workflow failure notifications
+  subject: "Workflow Schedule Failure"
+
 # configs for static credentials or role arn to assume
 # aws:
 #   clientRegion: "changeme"

common/config_keys.go

@@ -11,4 +11,5 @@ const (
 	DBConfigPassword        = "db.password"
 	DBConfigDBName          = "db.dbname"
 	DBConfigSSLMode         = "db.sslmode"
+	SNSConfigSubject        = "sns.subject"
 )

service/scheduler.go

@@ -13,6 +13,7 @@ import (
 
 	"github.com/aws/aws-sdk-go-v2/service/sns"
 	"github.com/google/uuid"
+	"github.com/spf13/viper"
 	"gorm.io/gorm"
 	"mce.salesforce.com/sprinkler/common"
 	"mce.salesforce.com/sprinkler/database"
@@ -292,9 +293,16 @@ func notifyOwner(wf table.Workflow, orchardErr error) {
 		log.Println("[error] error initiating SNS client")
 	}
 
+	subject := viper.GetString(common.SNSConfigSubject)
+
+	if len(subject) > 100 {
+		subject = subject[:100]
+	}
+
 	croppedErrMsg := truncate(errMsg, SNSMessageMaxBytes)
 	input := &sns.PublishInput{
 		Message:  &croppedErrMsg,
+		Subject:  &subject,
 		TopicArn: wf.Owner,
 	}