cloud drive: add support for Aliyun OSS

weed/remote_storage/s3/aliyun.go

@@ -0,0 +1,42 @@
+package s3
+
+import (
+	"fmt"
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/aws/aws-sdk-go/aws/session"
+	"github.com/aws/aws-sdk-go/service/s3"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/remote_storage"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	"os"
+)
+
+func init() {
+	remote_storage.RemoteStorageClientMakers["aliyun"] = new(AliyunRemoteStorageMaker)
+}
+
+type AliyunRemoteStorageMaker struct{}
+
+func (s AliyunRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
+	client := &s3RemoteStorageClient{
+		conf: conf,
+	}
+	accessKey := util.Nvl(conf.AliyunAccessKey, os.Getenv("ALICLOUD_ACCESS_KEY_ID"))
+	secretKey := util.Nvl(conf.AliyunSecretKey, os.Getenv("ALICLOUD_ACCESS_KEY_SECRET"))
+
+	config := &aws.Config{
+		Endpoint:         aws.String(conf.AliyunEndpoint),
+		S3ForcePathStyle: aws.Bool(false),
+	}
+	if conf.AliyunAccessKey != "" && conf.AliyunSecretKey != "" {
+		config.Credentials = credentials.NewStaticCredentials(accessKey, secretKey, "")
+	}
+
+	sess, err := session.NewSession(config)
+	if err != nil {
+		return nil, fmt.Errorf("create aws session: %v", err)
+	}
+	client.conn = s3.New(sess)
+	return client, nil
+}