add s3 logs bucket config

mailroom.go

@@ -131,6 +131,7 @@ func (mr *Mailroom) Start() error {
 		}
 		mr.rt.AttachmentStorage = storage.NewS3(s3Client, mr.rt.Config.S3AttachmentsBucket, c.S3Region, s3.BucketCannedACLPublicRead, 32)
 		mr.rt.SessionStorage = storage.NewS3(s3Client, mr.rt.Config.S3SessionsBucket, c.S3Region, s3.ObjectCannedACLPrivate, 32)
+		mr.rt.LogStorage = storage.NewS3(s3Client, mr.rt.Config.S3LogsBucket, c.S3Region, s3.ObjectCannedACLPrivate, 32)
 	} else {
 		mr.rt.AttachmentStorage = storage.NewFS("_storage/attachments", 0766)
 		mr.rt.SessionStorage = storage.NewFS("_storage/sessions", 0766)

runtime/config.go

@@ -58,6 +58,7 @@ type Config struct {
 	S3AttachmentsBucket  string `help:"the S3 bucket we will write attachments to"`
 	S3AttachmentsPrefix  string `help:"the prefix that will be added to attachment filenames"`
 	S3SessionsBucket     string `help:"the S3 bucket we will write attachments to"`
+	S3LogsBucket         string `help:"the S3 bucket we will write logs to"`
 	S3SessionPrefix      string `help:"the prefix that will be added to attachment filenames"`
 	S3MediaPrefixZendesk string `help:"the prefix that will be added to file attachment names for Zendesk tickets"`
 	S3DisableSSL         bool   `help:"whether we disable SSL when accessing S3. Should always be set to False unless you're hosting an S3 compatible service within a secure internal network"`
@@ -124,6 +125,7 @@ func NewDefaultConfig() *Config {
 		S3AttachmentsBucket: "attachments-bucket",
 		S3AttachmentsPrefix: "attachments/",
 		S3SessionsBucket:    "sessions-bucket",
+		S3LogsBucket:        "logs-bucket",
 		S3DisableSSL:        false,
 		S3ForcePathStyle:    false,