Support signed URL's from minio. (#17)

* Sign on minio

* missing

flyteadmin/Gopkg.toml

@@ -116,3 +116,6 @@
   go-tests = true
   unused-packages = true
 
+[[constraint]]
+  name = "github.com/graymeta/stow"
+  revision = "903027f87de7054953efcdb8ba70d5dc02df38c7"

flyteadmin/flyteadmin_config.yaml

@@ -57,7 +57,7 @@ notifications:
       http://example.com/projects/{{ project }}/domains/{{ domain }}/executions/{{ name }}</a>. {{ error }}
 Logger:
   show-source: true
-  level: 5
+  level: 6
 storage:
   type: minio
   connection:

flyteadmin/pkg/data/factory.go

@@ -4,6 +4,9 @@ import (
 	"context"
 	"time"
 
+	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/graymeta/stow"
+	"github.com/graymeta/stow/s3"
 	"github.com/lyft/flytestdlib/logger"
 
 	"github.com/lyft/flytestdlib/storage"
@@ -43,7 +46,35 @@ func GetRemoteDataHandler(cfg RemoteDataHandlerConfig) RemoteDataHandler {
 			remoteURL: implementations.NewAWSRemoteURL(awsConfig, presignedURLDuration),
 		}
 	case common.Local:
-		fallthrough
+		logger.Infof(context.TODO(), "setting up local signer ----- ")
+		// Since minio = aws s3, we are creating the same client but using the config primitives from aws
+		storageCfg := storage.GetConfig()
+		accessKeyID := ""
+		secret := ""
+		endpoint := ""
+		if storageCfg.Stow != nil {
+			stowCfg := stow.ConfigMap(storageCfg.Stow.Config)
+			accessKeyID, _ = stowCfg.Config(s3.ConfigAccessKeyID)
+			secret, _ = stowCfg.Config(s3.ConfigSecretKey)
+			endpoint, _ = stowCfg.Config(s3.ConfigEndpoint)
+		} else {
+			accessKeyID = storageCfg.Connection.AccessKey
+			secret = storageCfg.Connection.SecretKey
+			endpoint = storageCfg.Connection.Endpoint.String()
+		}
+		logger.Infof(context.TODO(), "setting up local signer - %s, %s, %s", accessKeyID, secret, endpoint)
+		creds := credentials.NewStaticCredentials(accessKeyID, secret, "")
+		awsConfig := aws.NewConfig().
+			WithRegion(cfg.Region).
+			WithMaxRetries(cfg.Retries).
+			WithCredentials(creds).
+			WithEndpoint(endpoint).
+			WithDisableSSL(true).
+			WithS3ForcePathStyle(true)
+		presignedURLDuration := time.Minute * time.Duration(cfg.SignedURLDurationMinutes)
+		return &remoteDataHandler{
+			remoteURL: implementations.NewAWSRemoteURL(awsConfig, presignedURLDuration),
+		}
 	default:
 		logger.Infof(context.Background(),
 			"Using default noop remote url implementation for cloud provider type [%s]", cfg.CloudProvider)

flyteadmin/pkg/data/implementations/aws_remote_url.go

@@ -53,6 +53,7 @@ func (a *AWSRemoteURL) splitURI(ctx context.Context, uri string) (AWSS3Object, e
 }
 
 func (a *AWSRemoteURL) Get(ctx context.Context, uri string) (admin.UrlBlob, error) {
+	logger.Debugf(ctx, "Getting signed url for - %s", uri)
 	s3URI, err := a.splitURI(ctx, uri)
 	if err != nil {
 		logger.Debugf(ctx, "failed to extract s3 bucket and key from uri: %s", uri)