fix(client.go,run.go,config.go): specify storage region

Author: Aaron Schlesinger

pkg/gitreceive/config.go

@@ -18,6 +18,7 @@ type Config struct {
 	Username           string `envconfig:"USERNAME" required:"true"`
 	Fingerprint        string `envconfig:"FINGERPRINT" required:"true"`
 	PodNamespace       string `envconfig:"POD_NAMESPACE" required:"true"`
+	StorageRegion      string `envconfig:"STORAGE_REGION" default:""`
 }
 
 func (c Config) App() string {

pkg/gitreceive/run.go

@@ -32,7 +32,7 @@ func Run(conf *Config) error {
 	}
 	builderKey := string(builderKeyBytes)
 
-	s3Client, err := storage.GetClient()
+	s3Client, err := storage.GetClient(conf.StorageRegion)
 	if err != nil {
 		return fmt.Errorf("configuring S3 client (%s)", err)
 	}

pkg/gitreceive/storage/client.go

@@ -6,8 +6,9 @@ import (
 	"github.com/aws/aws-sdk-go/service/s3"
 )
 
-func GetClient() (*s3.S3, error) {
+func GetClient(region string) (*s3.S3, error) {
 	awsCfg := new(aws.Config)
+	awsCfg.Region = aws.String(region)
 	endpt, err := getEndpoint()
 	if err != nil {
 		return nil, err