aboutsummaryrefslogtreecommitdiffstats
path: root/src/k8splugin/internal/rb/definition.go
diff options
context:
space:
mode:
authorVictor Morales <victor.morales@intel.com>2019-01-24 17:46:43 -0800
committerVictor Morales <victor.morales@intel.com>2019-01-25 16:52:38 -0800
commit083465d10c8fdeaffa89aa7daa93def3eca77df1 (patch)
tree23135a724a1628e986f9c6748b82f275763cdf10 /src/k8splugin/internal/rb/definition.go
parent5c4e91705457dc4bdb5526e6f5210fa879ab659d (diff)
Use a standard Go project layout
This project wasn't following some Standard Go Project Layout guidelines(https://github.com/golang-standards/project-layout). This change pretends to organize the source code and following those guidelines. Change-Id: I61085ac20f28069cede013f83034bed06892d87c Signed-off-by: Victor Morales <victor.morales@intel.com> Issue-ID: MULTICLOUD-301
Diffstat (limited to 'src/k8splugin/internal/rb/definition.go')
-rw-r--r--src/k8splugin/internal/rb/definition.go164
1 files changed, 164 insertions, 0 deletions
diff --git a/src/k8splugin/internal/rb/definition.go b/src/k8splugin/internal/rb/definition.go
new file mode 100644
index 00000000..8a26332b
--- /dev/null
+++ b/src/k8splugin/internal/rb/definition.go
@@ -0,0 +1,164 @@
+/*
+ * Copyright 2018 Intel Corporation, Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package rb
+
+import (
+ "bytes"
+ "encoding/base64"
+ "k8splugin/internal/db"
+ "log"
+
+ uuid "github.com/hashicorp/go-uuid"
+ pkgerrors "github.com/pkg/errors"
+)
+
+// Definition contains the parameters needed for resource bundle (rb) definitions
+// It implements the interface for managing the definitions
+type Definition struct {
+ UUID string `json:"uuid,omitempty"`
+ Name string `json:"name"`
+ ChartName string `json:"chart-name"`
+ Description string `json:"description"`
+ ServiceType string `json:"service-type"`
+}
+
+// DefinitionManager is an interface exposes the resource bundle definition functionality
+type DefinitionManager interface {
+ Create(def Definition) (Definition, error)
+ List() ([]Definition, error)
+ Get(resID string) (Definition, error)
+ Delete(resID string) error
+ Upload(resID string, inp []byte) error
+}
+
+// DefinitionClient implements the DefinitionManager
+// It will also be used to maintain some localized state
+type DefinitionClient struct {
+ storeName string
+ tagMeta, tagContent string
+}
+
+// NewDefinitionClient returns an instance of the DefinitionClient
+// which implements the DefinitionManager
+// Uses rbdef collection in underlying db
+func NewDefinitionClient() *DefinitionClient {
+ return &DefinitionClient{
+ storeName: "rbdef",
+ tagMeta: "metadata",
+ tagContent: "content",
+ }
+}
+
+// Create an entry for the resource in the database
+func (v *DefinitionClient) Create(def Definition) (Definition, error) {
+ // If UUID is empty, we will generate one
+ if def.UUID == "" {
+ def.UUID, _ = uuid.GenerateUUID()
+ }
+ key := def.UUID
+
+ err := db.DBconn.Create(v.storeName, key, v.tagMeta, def)
+ if err != nil {
+ return Definition{}, pkgerrors.Wrap(err, "Creating DB Entry")
+ }
+
+ return def, nil
+}
+
+// List all resource entries in the database
+func (v *DefinitionClient) List() ([]Definition, error) {
+ res, err := db.DBconn.ReadAll(v.storeName, v.tagMeta)
+ if err != nil || len(res) == 0 {
+ return []Definition{}, pkgerrors.Wrap(err, "Listing Resource Bundle Definitions")
+ }
+
+ var results []Definition
+ for key, value := range res {
+ //value is a byte array
+ if len(value) > 0 {
+ def := Definition{}
+ err = db.DBconn.Unmarshal(value, &def)
+ if err != nil {
+ log.Printf("[Definition] Error Unmarshaling value for: %s", key)
+ continue
+ }
+ results = append(results, def)
+ }
+ }
+
+ return results, nil
+}
+
+// Get returns the Resource Bundle Definition for corresponding ID
+func (v *DefinitionClient) Get(id string) (Definition, error) {
+ value, err := db.DBconn.Read(v.storeName, id, v.tagMeta)
+ if err != nil {
+ return Definition{}, pkgerrors.Wrap(err, "Get Resource Bundle definition")
+ }
+
+ //value is a byte array
+ if value != nil {
+ def := Definition{}
+ err = db.DBconn.Unmarshal(value, &def)
+ if err != nil {
+ return Definition{}, pkgerrors.Wrap(err, "Unmarshaling Value")
+ }
+ return def, nil
+ }
+
+ return Definition{}, pkgerrors.New("Error getting Resource Bundle Definition")
+}
+
+// Delete the Resource Bundle definition from database
+func (v *DefinitionClient) Delete(id string) error {
+ err := db.DBconn.Delete(v.storeName, id, v.tagMeta)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Delete Resource Bundle Definition")
+ }
+
+ //Delete the content when the delete operation happens
+ err = db.DBconn.Delete(v.storeName, id, v.tagContent)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Delete Resource Bundle Definition Content")
+ }
+
+ 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 Definition ID provided: %s", err.Error())
+ }
+
+ err = isTarGz(bytes.NewBuffer(inp))
+ if err != nil {
+ return pkgerrors.Errorf("Error in file format: %s", err.Error())
+ }
+
+ //Encode given byte stream to text for storage
+ encodedStr := base64.StdEncoding.EncodeToString(inp)
+ err = db.DBconn.Create(v.storeName, id, v.tagContent, encodedStr)
+ if err != nil {
+ return pkgerrors.Errorf("Error uploading data to db: %s", err.Error())
+ }
+
+ return nil
+}