Add upload backend implementation

Upload is a seperate API where it takes
a binary stream and stores it. The api supports
tar.gz file format only.
P2: Check if ID is valid before trying upload
    Add test with an invalid ID

Issue-ID: MULTICLOUD-393
Change-Id: Id636a95823a046e1795d3be72d0214e953a8c5fc
Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>

1 files changed, 28 insertions, 1 deletions

diff --git a/src/k8splugin/rb/definition.go b/src/k8splugin/rb/definition.go
index 03fffdda..2d1c2cd0 100644
--- a/src/k8splugin/rb/definition.go
+++ b/src/k8splugin/rb/definition.go
@@ -17,6 +17,8 @@
 package rb
 
 import (
+	"bytes"
+	"encoding/base64"
 	"k8splugin/db"
 	"log"
 
@@ -39,6 +41,7 @@ type DefinitionManager interface {
 	List() ([]Definition, error)
 	Get(resID string) (Definition, error)
 	Delete(resID string) error
+	Upload(resID string, inp []byte) error
 }
 
 // DefinitionClient implements the DefinitionManager
@@ -63,7 +66,7 @@ func (v *DefinitionClient) Create(def Definition) (Definition, error) {
 	}
 	key := v.keyPrefix + def.UUID
 
-	serData, err := db.Serialize(v)
+	serData, err := db.Serialize(def)
 	if err != nil {
 		return Definition{}, pkgerrors.Wrap(err, "Serialize Resource Bundle Definition")
 	}
@@ -133,3 +136,27 @@ func (v *DefinitionClient) Delete(id string) error {
 
 	return nil
 }
+
+// Upload the contents of resource bundle into database
+func (v *DefinitionClient) Upload(id string, inp []byte) error {
+
+	//ignore the returned data here.
+	_, err := v.Get(id)
+	if err != nil {
+		return pkgerrors.Errorf("Invalid ID provided %s", err.Error())
+	}
+
+	err = isTarGz(bytes.NewBuffer(inp))
+	if err != nil {
+		return pkgerrors.Errorf("Error in file format %s", err.Error())
+	}
+
+	encodedStr := base64.StdEncoding.EncodeToString(inp)
+	key := v.keyPrefix + id + "/content"
+	err = db.DBconn.Create(key, encodedStr)
+	if err != nil {
+		return pkgerrors.Errorf("Error uploading data to db %s", err.Error())
+	}
+
+	return nil
+}