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-rw-r--r--src/orchestrator/internal/db/mock.go94
-rw-r--r--src/orchestrator/internal/db/mongo.go396
-rw-r--r--src/orchestrator/internal/db/mongo_test.go597
-rw-r--r--src/orchestrator/internal/db/store.go106
-rw-r--r--src/orchestrator/internal/db/store_test.go121
5 files changed, 1314 insertions, 0 deletions
diff --git a/src/orchestrator/internal/db/mock.go b/src/orchestrator/internal/db/mock.go
new file mode 100644
index 00000000..1dbca4b4
--- /dev/null
+++ b/src/orchestrator/internal/db/mock.go
@@ -0,0 +1,94 @@
+/*
+Copyright 2018 Intel Corporation.
+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 db
+
+import (
+ "encoding/json"
+
+ pkgerrors "github.com/pkg/errors"
+)
+
+type MockKey struct {
+ Key string
+}
+
+func (m MockKey) String() string {
+ return m.Key
+}
+
+//Creating an embedded interface via anonymous variable
+//This allows us to make mockDB satisfy the DatabaseConnection
+//interface even if we are not implementing all the methods in it
+type MockDB struct {
+ Store
+ Items map[string]map[string][]byte
+ Err error
+}
+
+func (m *MockDB) HealthCheck() error {
+ return m.Err
+}
+
+func (m *MockDB) Create(table string, key Key, tag string, data interface{}) error {
+ return m.Err
+}
+
+func (m *MockDB) Update(table string, key Key, tag string, data interface{}) error {
+ return m.Err
+}
+
+// MockDB uses simple JSON and not BSON
+func (m *MockDB) Unmarshal(inp []byte, out interface{}) error {
+ err := json.Unmarshal(inp, out)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Unmarshaling json")
+ }
+ return nil
+}
+
+func (m *MockDB) Read(table string, key Key, tag string) ([]byte, error) {
+ if m.Err != nil {
+ return nil, m.Err
+ }
+
+ for k, v := range m.Items {
+ if k == key.String() {
+ return v[tag], nil
+ }
+ }
+
+ return nil, m.Err
+}
+
+func (m *MockDB) Delete(table string, key Key, tag string) error {
+ return m.Err
+}
+
+func (m *MockDB) ReadAll(table string, tag string) (map[string][]byte, error) {
+ if m.Err != nil {
+ return nil, m.Err
+ }
+
+ ret := make(map[string][]byte)
+
+ for k, v := range m.Items {
+ for k1, v1 := range v {
+ if k1 == tag {
+ ret[k] = v1
+ }
+ }
+ }
+
+ return ret, nil
+}
diff --git a/src/orchestrator/internal/db/mongo.go b/src/orchestrator/internal/db/mongo.go
new file mode 100644
index 00000000..3720a4f2
--- /dev/null
+++ b/src/orchestrator/internal/db/mongo.go
@@ -0,0 +1,396 @@
+/*
+ * 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 db
+
+import (
+ "log"
+
+ "golang.org/x/net/context"
+
+ "github.com/onap/multicloud-k8s/src/orchestrator/internal/config"
+
+ pkgerrors "github.com/pkg/errors"
+ "go.mongodb.org/mongo-driver/bson"
+ "go.mongodb.org/mongo-driver/bson/primitive"
+ "go.mongodb.org/mongo-driver/mongo"
+ "go.mongodb.org/mongo-driver/mongo/options"
+)
+
+// MongoCollection defines the a subset of MongoDB operations
+// Note: This interface is defined mainly for mock testing
+type MongoCollection interface {
+ InsertOne(ctx context.Context, document interface{},
+ opts ...*options.InsertOneOptions) (*mongo.InsertOneResult, error)
+ FindOne(ctx context.Context, filter interface{},
+ opts ...*options.FindOneOptions) *mongo.SingleResult
+ FindOneAndUpdate(ctx context.Context, filter interface{},
+ update interface{}, opts ...*options.FindOneAndUpdateOptions) *mongo.SingleResult
+ DeleteOne(ctx context.Context, filter interface{},
+ opts ...*options.DeleteOptions) (*mongo.DeleteResult, error)
+ Find(ctx context.Context, filter interface{},
+ opts ...*options.FindOptions) (*mongo.Cursor, error)
+}
+
+// MongoStore is an implementation of the db.Store interface
+type MongoStore struct {
+ db *mongo.Database
+}
+
+// This exists only for allowing us to mock the collection object
+// for testing purposes
+var getCollection = func(coll string, m *MongoStore) MongoCollection {
+ return m.db.Collection(coll)
+}
+
+// This exists only for allowing us to mock the DecodeBytes function
+// Mainly because we cannot construct a SingleResult struct from our
+// tests. All fields in that struct are private.
+var decodeBytes = func(sr *mongo.SingleResult) (bson.Raw, error) {
+ return sr.DecodeBytes()
+}
+
+// These exists only for allowing us to mock the cursor.Next function
+// Mainly because we cannot construct a mongo.Cursor struct from our
+// tests. All fields in that struct are private and there is no public
+// constructor method.
+var cursorNext = func(ctx context.Context, cursor *mongo.Cursor) bool {
+ return cursor.Next(ctx)
+}
+var cursorClose = func(ctx context.Context, cursor *mongo.Cursor) error {
+ return cursor.Close(ctx)
+}
+
+// NewMongoStore initializes a Mongo Database with the name provided
+// If a database with that name exists, it will be returned
+func NewMongoStore(name string, store *mongo.Database) (Store, error) {
+ if store == nil {
+ ip := "mongodb://" + config.GetConfiguration().DatabaseIP + ":27017"
+ clientOptions := options.Client()
+ clientOptions.ApplyURI(ip)
+ mongoClient, err := mongo.NewClient(clientOptions)
+ if err != nil {
+ return nil, err
+ }
+
+ err = mongoClient.Connect(context.Background())
+ if err != nil {
+ return nil, err
+ }
+ store = mongoClient.Database(name)
+ }
+
+ return &MongoStore{
+ db: store,
+ }, nil
+}
+
+// HealthCheck verifies if the database is up and running
+func (m *MongoStore) HealthCheck() error {
+
+ _, err := decodeBytes(m.db.RunCommand(context.Background(), bson.D{{"serverStatus", 1}}))
+ if err != nil {
+ return pkgerrors.Wrap(err, "Error getting server status")
+ }
+
+ return nil
+}
+
+// validateParams checks to see if any parameters are empty
+func (m *MongoStore) validateParams(args ...interface{}) bool {
+ for _, v := range args {
+ val, ok := v.(string)
+ if ok {
+ if val == "" {
+ return false
+ }
+ } else {
+ if v == nil {
+ return false
+ }
+ }
+ }
+
+ return true
+}
+
+// Create is used to create a DB entry
+func (m *MongoStore) Create(coll string, key Key, tag string, data interface{}) error {
+ if data == nil || !m.validateParams(coll, key, tag) {
+ return pkgerrors.New("No Data to store")
+ }
+
+ c := getCollection(coll, m)
+ ctx := context.Background()
+
+ //Insert the data and then add the objectID to the masterTable
+ res, err := c.InsertOne(ctx, bson.D{
+ {tag, data},
+ })
+ if err != nil {
+ return pkgerrors.Errorf("Error inserting into database: %s", err.Error())
+ }
+
+ //Add objectID of created data to masterKey document
+ //Create masterkey document if it does not exist
+ filter := bson.D{{"key", key}}
+
+ _, err = decodeBytes(
+ c.FindOneAndUpdate(
+ ctx,
+ filter,
+ bson.D{
+ {"$set", bson.D{
+ {tag, res.InsertedID},
+ }},
+ },
+ options.FindOneAndUpdate().SetUpsert(true).SetReturnDocument(options.After)))
+
+ if err != nil {
+ return pkgerrors.Errorf("Error updating master table: %s", err.Error())
+ }
+
+ return nil
+}
+
+// Update is used to update a DB entry
+func (m *MongoStore) Update(coll string, key Key, tag string, data interface{}) error {
+ if data == nil || !m.validateParams(coll, key, tag) {
+ return pkgerrors.New("No Data to update")
+ }
+
+ c := getCollection(coll, m)
+ ctx := context.Background()
+
+ //Get the masterkey document based on given key
+ filter := bson.D{{"key", key}}
+ keydata, err := decodeBytes(c.FindOne(context.Background(), filter))
+ if err != nil {
+ return pkgerrors.Errorf("Error finding master table: %s", err.Error())
+ }
+
+ //Read the tag objectID from document
+ tagoid, ok := keydata.Lookup(tag).ObjectIDOK()
+ if !ok {
+ return pkgerrors.Errorf("Error finding objectID for tag %s", tag)
+ }
+
+ //Update the document with new data
+ filter = bson.D{{"_id", tagoid}}
+
+ _, err = decodeBytes(
+ c.FindOneAndUpdate(
+ ctx,
+ filter,
+ bson.D{
+ {"$set", bson.D{
+ {tag, data},
+ }},
+ },
+ options.FindOneAndUpdate().SetReturnDocument(options.After)))
+
+ if err != nil {
+ return pkgerrors.Errorf("Error updating record: %s", err.Error())
+ }
+
+ return nil
+}
+
+// Unmarshal implements an unmarshaler for bson data that
+// is produced from the mongo database
+func (m *MongoStore) Unmarshal(inp []byte, out interface{}) error {
+ err := bson.Unmarshal(inp, out)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Unmarshaling bson")
+ }
+ return nil
+}
+
+// Read method returns the data stored for this key and for this particular tag
+func (m *MongoStore) Read(coll string, key Key, tag string) ([]byte, error) {
+ if !m.validateParams(coll, key, tag) {
+ return nil, pkgerrors.New("Mandatory fields are missing")
+ }
+
+ c := getCollection(coll, m)
+ ctx := context.Background()
+
+ //Get the masterkey document based on given key
+ filter := bson.D{{"key", key}}
+ keydata, err := decodeBytes(c.FindOne(context.Background(), filter))
+ if err != nil {
+ return nil, pkgerrors.Errorf("Error finding master table: %s", err.Error())
+ }
+
+ //Read the tag objectID from document
+ tagoid, ok := keydata.Lookup(tag).ObjectIDOK()
+ if !ok {
+ return nil, pkgerrors.Errorf("Error finding objectID for tag %s", tag)
+ }
+
+ //Use tag objectID to read the data from store
+ filter = bson.D{{"_id", tagoid}}
+ tagdata, err := decodeBytes(c.FindOne(ctx, filter))
+ if err != nil {
+ return nil, pkgerrors.Errorf("Error reading found object: %s", err.Error())
+ }
+
+ //Return the data as a byte array
+ //Convert string data to byte array using the built-in functions
+ switch tagdata.Lookup(tag).Type {
+ case bson.TypeString:
+ return []byte(tagdata.Lookup(tag).StringValue()), nil
+ default:
+ return tagdata.Lookup(tag).Value, nil
+ }
+}
+
+// Helper function that deletes an object by its ID
+func (m *MongoStore) deleteObjectByID(coll string, objID primitive.ObjectID) error {
+
+ c := getCollection(coll, m)
+ ctx := context.Background()
+
+ _, err := c.DeleteOne(ctx, bson.D{{"_id", objID}})
+ if err != nil {
+ return pkgerrors.Errorf("Error Deleting from database: %s", err.Error())
+ }
+
+ log.Printf("Deleted Obj with ID %s", objID.String())
+ return nil
+}
+
+// Delete method removes a document from the Database that matches key
+// TODO: delete all referenced docs if tag is empty string
+func (m *MongoStore) Delete(coll string, key Key, tag string) error {
+ if !m.validateParams(coll, key, tag) {
+ return pkgerrors.New("Mandatory fields are missing")
+ }
+
+ c := getCollection(coll, m)
+ ctx := context.Background()
+
+ //Get the masterkey document based on given key
+ filter := bson.D{{"key", key}}
+ //Remove the tag ID entry from masterkey table
+ update := bson.D{
+ {
+ "$unset", bson.D{
+ {tag, ""},
+ },
+ },
+ }
+ keydata, err := decodeBytes(c.FindOneAndUpdate(ctx, filter, update,
+ options.FindOneAndUpdate().SetReturnDocument(options.Before)))
+ if err != nil {
+ //No document was found. Return nil.
+ if err == mongo.ErrNoDocuments {
+ return nil
+ }
+ //Return any other error that was found.
+ return pkgerrors.Errorf("Error decoding master table after update: %s",
+ err.Error())
+ }
+
+ //Read the tag objectID from document
+ elems, err := keydata.Elements()
+ if err != nil {
+ return pkgerrors.Errorf("Error reading elements from database: %s", err.Error())
+ }
+
+ tagoid, ok := keydata.Lookup(tag).ObjectIDOK()
+ if !ok {
+ return pkgerrors.Errorf("Error finding objectID for tag %s", tag)
+ }
+
+ //Use tag objectID to read the data from store
+ err = m.deleteObjectByID(coll, tagoid)
+ if err != nil {
+ return pkgerrors.Errorf("Error deleting from database: %s", err.Error())
+ }
+
+ //Delete master table if no more tags left
+ //_id, key and tag should be elements in before doc
+ //if master table needs to be removed too
+ if len(elems) == 3 {
+ keyid, ok := keydata.Lookup("_id").ObjectIDOK()
+ if !ok {
+ return pkgerrors.Errorf("Error finding objectID for key %s", key)
+ }
+ err = m.deleteObjectByID(coll, keyid)
+ if err != nil {
+ return pkgerrors.Errorf("Error deleting master table from database: %s", err.Error())
+ }
+ }
+
+ return nil
+}
+
+// ReadAll is used to get all documents in db of a particular tag
+func (m *MongoStore) ReadAll(coll, tag string) (map[string][]byte, error) {
+ if !m.validateParams(coll, tag) {
+ return nil, pkgerrors.New("Missing collection or tag name")
+ }
+
+ c := getCollection(coll, m)
+ ctx := context.Background()
+
+ //Get all master tables in this collection
+ filter := bson.D{
+ {"key", bson.D{
+ {"$exists", true},
+ }},
+ }
+ cursor, err := c.Find(ctx, filter)
+ if err != nil {
+ return nil, pkgerrors.Errorf("Error reading from database: %s", err.Error())
+ }
+ defer cursorClose(ctx, cursor)
+
+ //Iterate over all the master tables
+ result := make(map[string][]byte)
+ for cursorNext(ctx, cursor) {
+ d := cursor.Current
+
+ //Read key of each master table
+ key, ok := d.Lookup("key").DocumentOK()
+ if !ok {
+ //Throw error if key is not found
+ pkgerrors.New("Unable to read key from mastertable")
+ }
+
+ //Get objectID of tag document
+ tid, ok := d.Lookup(tag).ObjectIDOK()
+ if !ok {
+ log.Printf("Did not find tag: %s", tag)
+ continue
+ }
+
+ //Find tag document and unmarshal it into []byte
+ tagData, err := decodeBytes(c.FindOne(ctx, bson.D{{"_id", tid}}))
+ if err != nil {
+ log.Printf("Unable to decode tag data %s", err.Error())
+ continue
+ }
+ result[key.String()] = tagData.Lookup(tag).Value
+ }
+
+ if len(result) == 0 {
+ return result, pkgerrors.Errorf("Did not find any objects with tag: %s", tag)
+ }
+
+ return result, nil
+}
diff --git a/src/orchestrator/internal/db/mongo_test.go b/src/orchestrator/internal/db/mongo_test.go
new file mode 100644
index 00000000..171c908f
--- /dev/null
+++ b/src/orchestrator/internal/db/mongo_test.go
@@ -0,0 +1,597 @@
+/*
+ * 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 db
+
+import (
+ "bytes"
+ "context"
+ "reflect"
+ "strings"
+ "testing"
+
+ pkgerrors "github.com/pkg/errors"
+ "go.mongodb.org/mongo-driver/bson"
+ "go.mongodb.org/mongo-driver/mongo"
+ "go.mongodb.org/mongo-driver/mongo/options"
+)
+
+//Implements the functions used currently in mongo.go
+type mockCollection struct {
+ Err error
+ mCursor *mongo.Cursor
+ mCursorCount int
+}
+
+func (c *mockCollection) InsertOne(ctx context.Context, document interface{},
+ opts ...*options.InsertOneOptions) (*mongo.InsertOneResult, error) {
+
+ if c.Err != nil {
+ return nil, c.Err
+ }
+
+ return &mongo.InsertOneResult{InsertedID: "_id1234"}, nil
+}
+
+func (c *mockCollection) FindOne(ctx context.Context, filter interface{},
+ opts ...*options.FindOneOptions) *mongo.SingleResult {
+
+ return &mongo.SingleResult{}
+}
+
+func (c *mockCollection) FindOneAndUpdate(ctx context.Context, filter interface{},
+ update interface{}, opts ...*options.FindOneAndUpdateOptions) *mongo.SingleResult {
+
+ return &mongo.SingleResult{}
+}
+
+func (c *mockCollection) DeleteOne(ctx context.Context, filter interface{},
+ opts ...*options.DeleteOptions) (*mongo.DeleteResult, error) {
+
+ return nil, c.Err
+}
+
+func (c *mockCollection) Find(ctx context.Context, filter interface{},
+ opts ...*options.FindOptions) (*mongo.Cursor, error) {
+
+ return c.mCursor, c.Err
+}
+
+func TestCreate(t *testing.T) {
+ testCases := []struct {
+ label string
+ input map[string]interface{}
+ mockColl *mockCollection
+ bson bson.Raw
+ expectedError string
+ }{
+ {
+ label: "Successfull creation of entry",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "key": MockKey{Key: "keyvalue"},
+ "tag": "tagName",
+ "data": "Data In String Format",
+ },
+ bson: bson.Raw{'\x08', '\x00', '\x00', '\x00', '\x0A', 'x', '\x00', '\x00'},
+ mockColl: &mockCollection{},
+ },
+ {
+ label: "UnSuccessfull creation of entry",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "key": MockKey{Key: "keyvalue"},
+ "tag": "tagName",
+ "data": "Data In String Format",
+ },
+ mockColl: &mockCollection{
+ Err: pkgerrors.New("DB Error"),
+ },
+ expectedError: "DB Error",
+ },
+ {
+ label: "Missing input fields",
+ input: map[string]interface{}{
+ "coll": "",
+ "key": MockKey{Key: ""},
+ "tag": "",
+ "data": "",
+ },
+ expectedError: "No Data to store",
+ mockColl: &mockCollection{},
+ },
+ }
+
+ for _, testCase := range testCases {
+ t.Run(testCase.label, func(t *testing.T) {
+ m, _ := NewMongoStore("name", &mongo.Database{})
+ // Override the getCollection function with our mocked version
+ getCollection = func(coll string, m *MongoStore) MongoCollection {
+ return testCase.mockColl
+ }
+
+ decodeBytes = func(sr *mongo.SingleResult) (bson.Raw, error) {
+ return testCase.bson, testCase.mockColl.Err
+ }
+
+ err := m.Create(testCase.input["coll"].(string), testCase.input["key"].(Key),
+ testCase.input["tag"].(string), testCase.input["data"])
+ if err != nil {
+ if testCase.expectedError == "" {
+ t.Fatalf("Create method returned an un-expected (%s)", err)
+ }
+ if !strings.Contains(string(err.Error()), testCase.expectedError) {
+ t.Fatalf("Create method returned an error (%s)", err)
+ }
+ }
+ })
+ }
+}
+
+func TestUpdate(t *testing.T) {
+ testCases := []struct {
+ label string
+ input map[string]interface{}
+ mockColl *mockCollection
+ bson bson.Raw
+ expectedError string
+ }{
+ {
+ label: "Successfull update of entry",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "key": MockKey{Key: "keyvalue"},
+ "tag": "metadata",
+ "data": "Data In String Format",
+ },
+ // Binary form of
+ // {
+ // "_id" : ObjectId("5c115156777ff85654248ae1"),
+ // "key" : bson.D{{"name","testdef"},{"version","v1"}},
+ // "metadata" : ObjectId("5c115156c9755047e318bbfd")
+ // }
+ bson: bson.Raw{
+ '\x58', '\x00', '\x00', '\x00', '\x03', '\x6b', '\x65', '\x79',
+ '\x00', '\x27', '\x00', '\x00', '\x00', '\x02', '\x6e', '\x61',
+ '\x6d', '\x65', '\x00', '\x08', '\x00', '\x00', '\x00', '\x74',
+ '\x65', '\x73', '\x74', '\x64', '\x65', '\x66', '\x00', '\x02',
+ '\x76', '\x65', '\x72', '\x73', '\x69', '\x6f', '\x6e', '\x00',
+ '\x03', '\x00', '\x00', '\x00', '\x76', '\x31', '\x00', '\x00',
+ '\x07', '\x6d', '\x65', '\x74', '\x61', '\x64', '\x61', '\x74',
+ '\x61', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77', '\x7f',
+ '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x07', '\x5f',
+ '\x69', '\x64', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77',
+ '\x7f', '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x00',
+ },
+ mockColl: &mockCollection{},
+ },
+ {
+ label: "Entry does not exist",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "key": MockKey{Key: "keyvalue"},
+ "tag": "tagName",
+ "data": "Data In String Format",
+ },
+ mockColl: &mockCollection{
+ Err: pkgerrors.New("DB Error"),
+ },
+ expectedError: "DB Error",
+ },
+ }
+
+ for _, testCase := range testCases {
+ t.Run(testCase.label, func(t *testing.T) {
+ m, _ := NewMongoStore("name", &mongo.Database{})
+ // Override the getCollection function with our mocked version
+ getCollection = func(coll string, m *MongoStore) MongoCollection {
+ return testCase.mockColl
+ }
+
+ decodeBytes = func(sr *mongo.SingleResult) (bson.Raw, error) {
+ return testCase.bson, testCase.mockColl.Err
+ }
+
+ err := m.Update(testCase.input["coll"].(string), testCase.input["key"].(Key),
+ testCase.input["tag"].(string), testCase.input["data"])
+ if err != nil {
+ if testCase.expectedError == "" {
+ t.Fatalf("Create method returned an un-expected (%s)", err)
+ }
+ if !strings.Contains(string(err.Error()), testCase.expectedError) {
+ t.Fatalf("Create method returned an error (%s)", err)
+ }
+ }
+ })
+ }
+}
+
+func TestRead(t *testing.T) {
+ testCases := []struct {
+ label string
+ input map[string]interface{}
+ mockColl *mockCollection
+ bson bson.Raw
+ expectedError string
+ expected []byte
+ }{
+ {
+ label: "Successfull Read of entry",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "key": MockKey{Key: "keyvalue"},
+ "tag": "metadata",
+ },
+ // Binary form of
+ // {
+ // "_id" : ObjectId("5c115156777ff85654248ae1"),
+ // "key" : bson.D{{"name","testdef"},{"version","v1"}},
+ // "metadata" : ObjectId("5c115156c9755047e318bbfd")
+ // }
+ bson: bson.Raw{
+ '\x58', '\x00', '\x00', '\x00', '\x03', '\x6b', '\x65', '\x79',
+ '\x00', '\x27', '\x00', '\x00', '\x00', '\x02', '\x6e', '\x61',
+ '\x6d', '\x65', '\x00', '\x08', '\x00', '\x00', '\x00', '\x74',
+ '\x65', '\x73', '\x74', '\x64', '\x65', '\x66', '\x00', '\x02',
+ '\x76', '\x65', '\x72', '\x73', '\x69', '\x6f', '\x6e', '\x00',
+ '\x03', '\x00', '\x00', '\x00', '\x76', '\x31', '\x00', '\x00',
+ '\x07', '\x6d', '\x65', '\x74', '\x61', '\x64', '\x61', '\x74',
+ '\x61', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77', '\x7f',
+ '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x07', '\x5f',
+ '\x69', '\x64', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77',
+ '\x7f', '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x00',
+ },
+ mockColl: &mockCollection{},
+ // This is not the document because we are mocking decodeBytes
+ expected: []byte{92, 17, 81, 86, 119, 127, 248, 86, 84, 36, 138, 225},
+ },
+ {
+ label: "UnSuccessfull Read of entry: object not found",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "key": MockKey{Key: "keyvalue"},
+ "tag": "badtag",
+ },
+ // Binary form of
+ // {
+ // "_id" : ObjectId("5c115156777ff85654248ae1"),
+ // "key" : bson.D{{"name","testdef"},{"version","v1"}},
+ // "metadata" : ObjectId("5c115156c9755047e318bbfd")
+ // }
+ bson: bson.Raw{
+ '\x58', '\x00', '\x00', '\x00', '\x03', '\x6b', '\x65', '\x79',
+ '\x00', '\x27', '\x00', '\x00', '\x00', '\x02', '\x6e', '\x61',
+ '\x6d', '\x65', '\x00', '\x08', '\x00', '\x00', '\x00', '\x74',
+ '\x65', '\x73', '\x74', '\x64', '\x65', '\x66', '\x00', '\x02',
+ '\x76', '\x65', '\x72', '\x73', '\x69', '\x6f', '\x6e', '\x00',
+ '\x03', '\x00', '\x00', '\x00', '\x76', '\x31', '\x00', '\x00',
+ '\x07', '\x6d', '\x65', '\x74', '\x61', '\x64', '\x61', '\x74',
+ '\x61', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77', '\x7f',
+ '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x07', '\x5f',
+ '\x69', '\x64', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77',
+ '\x7f', '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x00',
+ },
+ mockColl: &mockCollection{},
+ expectedError: "Error finding objectID",
+ },
+ {
+ label: "UnSuccessfull Read of entry",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "key": MockKey{Key: "keyvalue"},
+ "tag": "tagName",
+ },
+ mockColl: &mockCollection{
+ Err: pkgerrors.New("DB Error"),
+ },
+ expectedError: "DB Error",
+ },
+ {
+ label: "Missing input fields",
+ input: map[string]interface{}{
+ "coll": "",
+ "key": MockKey{Key: ""},
+ "tag": "",
+ },
+ expectedError: "Mandatory fields are missing",
+ mockColl: &mockCollection{},
+ },
+ }
+
+ for _, testCase := range testCases {
+ t.Run(testCase.label, func(t *testing.T) {
+ m, _ := NewMongoStore("name", &mongo.Database{})
+ // Override the getCollection function with our mocked version
+ getCollection = func(coll string, m *MongoStore) MongoCollection {
+ return testCase.mockColl
+ }
+
+ decodeBytes = func(sr *mongo.SingleResult) (bson.Raw, error) {
+ return testCase.bson, testCase.mockColl.Err
+ }
+ got, err := m.Read(testCase.input["coll"].(string), testCase.input["key"].(Key),
+ testCase.input["tag"].(string))
+ if err != nil {
+ if testCase.expectedError == "" {
+ t.Fatalf("Read method returned an un-expected (%s)", err)
+ }
+ if !strings.Contains(string(err.Error()), testCase.expectedError) {
+ t.Fatalf("Read method returned an error (%s)", err)
+ }
+ } else {
+ if bytes.Compare(got, testCase.expected) != 0 {
+ t.Fatalf("Read returned unexpected data: %v, expected: %v",
+ string(got), testCase.expected)
+ }
+ }
+ })
+ }
+}
+
+func TestDelete(t *testing.T) {
+ testCases := []struct {
+ label string
+ input map[string]interface{}
+ mockColl *mockCollection
+ bson bson.Raw
+ expectedError string
+ }{
+ {
+ label: "Successfull Delete of entry",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "key": MockKey{Key: "keyvalue"},
+ "tag": "metadata",
+ },
+ // Binary form of
+ // {
+ // "_id" : ObjectId("5c115156777ff85654248ae1"),
+ // "key" : bson.D{{"name","testdef"},{"version","v1"}},
+ // "metadata" : ObjectId("5c115156c9755047e318bbfd")
+ // }
+ bson: bson.Raw{
+ '\x58', '\x00', '\x00', '\x00', '\x03', '\x6b', '\x65', '\x79',
+ '\x00', '\x27', '\x00', '\x00', '\x00', '\x02', '\x6e', '\x61',
+ '\x6d', '\x65', '\x00', '\x08', '\x00', '\x00', '\x00', '\x74',
+ '\x65', '\x73', '\x74', '\x64', '\x65', '\x66', '\x00', '\x02',
+ '\x76', '\x65', '\x72', '\x73', '\x69', '\x6f', '\x6e', '\x00',
+ '\x03', '\x00', '\x00', '\x00', '\x76', '\x31', '\x00', '\x00',
+ '\x07', '\x6d', '\x65', '\x74', '\x61', '\x64', '\x61', '\x74',
+ '\x61', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77', '\x7f',
+ '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x07', '\x5f',
+ '\x69', '\x64', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77',
+ '\x7f', '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x00',
+ },
+ mockColl: &mockCollection{},
+ },
+ {
+ label: "UnSuccessfull Delete of entry",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "key": MockKey{Key: "keyvalue"},
+ "tag": "tagName",
+ },
+ mockColl: &mockCollection{
+ Err: pkgerrors.New("DB Error"),
+ },
+ expectedError: "DB Error",
+ },
+ {
+ label: "UnSuccessfull Delete, key not found",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "key": MockKey{Key: "keyvalue"},
+ "tag": "tagName",
+ },
+ // Binary form of
+ // {
+ // "_id" : ObjectId("5c115156777ff85654248ae1"),
+ // "key" : bson.D{{"name","testdef"},{"version","v1"}},
+ // "metadata" : ObjectId("5c115156c9755047e318bbfd")
+ // }
+ bson: bson.Raw{
+ '\x58', '\x00', '\x00', '\x00', '\x03', '\x6b', '\x65', '\x79',
+ '\x00', '\x27', '\x00', '\x00', '\x00', '\x02', '\x6e', '\x61',
+ '\x6d', '\x65', '\x00', '\x08', '\x00', '\x00', '\x00', '\x74',
+ '\x65', '\x73', '\x74', '\x64', '\x65', '\x66', '\x00', '\x02',
+ '\x76', '\x65', '\x72', '\x73', '\x69', '\x6f', '\x6e', '\x00',
+ '\x03', '\x00', '\x00', '\x00', '\x76', '\x31', '\x00', '\x00',
+ '\x07', '\x6d', '\x65', '\x74', '\x61', '\x64', '\x61', '\x74',
+ '\x61', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77', '\x7f',
+ '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x07', '\x5f',
+ '\x69', '\x64', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77',
+ '\x7f', '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x00',
+ },
+ mockColl: &mockCollection{},
+ expectedError: "Error finding objectID",
+ },
+ {
+ label: "Missing input fields",
+ input: map[string]interface{}{
+ "coll": "",
+ "key": MockKey{Key: ""},
+ "tag": "",
+ },
+ expectedError: "Mandatory fields are missing",
+ mockColl: &mockCollection{},
+ },
+ }
+
+ for _, testCase := range testCases {
+ t.Run(testCase.label, func(t *testing.T) {
+ m, _ := NewMongoStore("name", &mongo.Database{})
+ // Override the getCollection function with our mocked version
+ getCollection = func(coll string, m *MongoStore) MongoCollection {
+ return testCase.mockColl
+ }
+
+ decodeBytes = func(sr *mongo.SingleResult) (bson.Raw, error) {
+ return testCase.bson, testCase.mockColl.Err
+ }
+ err := m.Delete(testCase.input["coll"].(string), testCase.input["key"].(Key),
+ testCase.input["tag"].(string))
+ if err != nil {
+ if testCase.expectedError == "" {
+ t.Fatalf("Delete method returned an un-expected (%s)", err)
+ }
+ if !strings.Contains(string(err.Error()), testCase.expectedError) {
+ t.Fatalf("Delete method returned an error (%s)", err)
+ }
+ }
+ })
+ }
+}
+
+func TestReadAll(t *testing.T) {
+ testCases := []struct {
+ label string
+ input map[string]interface{}
+ mockColl *mockCollection
+ bson bson.Raw
+ expectedError string
+ expected map[string][]byte
+ }{
+ {
+ label: "Successfully Read all entries",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "tag": "metadata",
+ },
+ mockColl: &mockCollection{
+ mCursor: &mongo.Cursor{
+ // Binary form of
+ // {
+ // "_id" : ObjectId("5c115156777ff85654248ae1"),
+ // "key" : bson.D{{"name","testdef"},{"version","v1"}},
+ // "metadata" : ObjectId("5c115156c9755047e318bbfd")
+ // }
+
+ Current: bson.Raw{
+ '\x58', '\x00', '\x00', '\x00', '\x03', '\x6b', '\x65', '\x79',
+ '\x00', '\x27', '\x00', '\x00', '\x00', '\x02', '\x6e', '\x61',
+ '\x6d', '\x65', '\x00', '\x08', '\x00', '\x00', '\x00', '\x74',
+ '\x65', '\x73', '\x74', '\x64', '\x65', '\x66', '\x00', '\x02',
+ '\x76', '\x65', '\x72', '\x73', '\x69', '\x6f', '\x6e', '\x00',
+ '\x03', '\x00', '\x00', '\x00', '\x76', '\x31', '\x00', '\x00',
+ '\x07', '\x6d', '\x65', '\x74', '\x61', '\x64', '\x61', '\x74',
+ '\x61', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77', '\x7f',
+ '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x07', '\x5f',
+ '\x69', '\x64', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77',
+ '\x7f', '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x00',
+ },
+ },
+ mCursorCount: 1,
+ },
+ expected: map[string][]byte{
+ `{"name": "testdef","version": "v1"}`: []byte{
+ 92, 17, 81, 86, 119, 127, 248, 86, 84, 36, 138, 225},
+ },
+ },
+ {
+ label: "UnSuccessfully Read of all entries",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "tag": "tagName",
+ },
+ mockColl: &mockCollection{
+ Err: pkgerrors.New("DB Error"),
+ },
+ expectedError: "DB Error",
+ },
+ {
+ label: "UnSuccessfull Readall, tag not found",
+ input: map[string]interface{}{
+ "coll": "collname",
+ "tag": "tagName",
+ },
+ mockColl: &mockCollection{
+ mCursor: &mongo.Cursor{
+ // Binary form of
+ // {
+ // "_id" : ObjectId("5c115156777ff85654248ae1"),
+ // "key" : bson.D{{"name","testdef"},{"version","v1"}},
+ // "metadata" : ObjectId("5c115156c9755047e318bbfd")
+ // }
+ Current: bson.Raw{
+ '\x58', '\x00', '\x00', '\x00', '\x03', '\x6b', '\x65', '\x79',
+ '\x00', '\x27', '\x00', '\x00', '\x00', '\x02', '\x6e', '\x61',
+ '\x6d', '\x65', '\x00', '\x08', '\x00', '\x00', '\x00', '\x74',
+ '\x65', '\x73', '\x74', '\x64', '\x65', '\x66', '\x00', '\x02',
+ '\x76', '\x65', '\x72', '\x73', '\x69', '\x6f', '\x6e', '\x00',
+ '\x03', '\x00', '\x00', '\x00', '\x76', '\x31', '\x00', '\x00',
+ '\x07', '\x6d', '\x65', '\x74', '\x61', '\x64', '\x61', '\x74',
+ '\x61', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77', '\x7f',
+ '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x07', '\x5f',
+ '\x69', '\x64', '\x00', '\x5c', '\x11', '\x51', '\x56', '\x77',
+ '\x7f', '\xf8', '\x56', '\x54', '\x24', '\x8a', '\xe1', '\x00',
+ },
+ },
+ mCursorCount: 1,
+ },
+ expectedError: "Did not find any objects with tag",
+ },
+ {
+ label: "Missing input fields",
+ input: map[string]interface{}{
+ "coll": "",
+ "tag": "",
+ },
+ expectedError: "Missing collection or tag name",
+ mockColl: &mockCollection{},
+ },
+ }
+
+ for _, testCase := range testCases {
+ t.Run(testCase.label, func(t *testing.T) {
+ m, _ := NewMongoStore("name", &mongo.Database{})
+ // Override the getCollection function with our mocked version
+ getCollection = func(coll string, m *MongoStore) MongoCollection {
+ return testCase.mockColl
+ }
+
+ decodeBytes = func(sr *mongo.SingleResult) (bson.Raw, error) {
+ return testCase.mockColl.mCursor.Current, testCase.mockColl.Err
+ }
+
+ cursorNext = func(ctx context.Context, cursor *mongo.Cursor) bool {
+ if testCase.mockColl.mCursorCount > 0 {
+ testCase.mockColl.mCursorCount -= 1
+ return true
+ }
+ return false
+ }
+
+ cursorClose = func(ctx context.Context, cursor *mongo.Cursor) error {
+ return nil
+ }
+
+ got, err := m.ReadAll(testCase.input["coll"].(string), testCase.input["tag"].(string))
+ if err != nil {
+ if testCase.expectedError == "" {
+ t.Fatalf("Readall method returned an un-expected (%s)", err)
+ }
+ if !strings.Contains(string(err.Error()), testCase.expectedError) {
+ t.Fatalf("Readall method returned an error (%s)", err)
+ }
+ } else {
+ if reflect.DeepEqual(got, testCase.expected) == false {
+ t.Fatalf("Readall returned unexpected data: %v, expected: %v",
+ got, testCase.expected)
+ }
+ }
+ })
+ }
+}
diff --git a/src/orchestrator/internal/db/store.go b/src/orchestrator/internal/db/store.go
new file mode 100644
index 00000000..ed394205
--- /dev/null
+++ b/src/orchestrator/internal/db/store.go
@@ -0,0 +1,106 @@
+/*
+Copyright 2018 Intel Corporation.
+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 db
+
+import (
+ "encoding/json"
+ "reflect"
+
+ "github.com/onap/multicloud-k8s/src/orchestrator/internal/config"
+
+ pkgerrors "github.com/pkg/errors"
+)
+
+// DBconn interface used to talk a concrete Database connection
+var DBconn Store
+
+// Key is an interface that will be implemented by anypackage
+// that wants to use the Store interface. This allows various
+// db backends and key types.
+type Key interface {
+ String() string
+}
+
+// Store is an interface for accessing the database
+type Store interface {
+ // Returns nil if db health is good
+ HealthCheck() error
+
+ // Unmarshal implements any unmarshaling needed for the database
+ Unmarshal(inp []byte, out interface{}) error
+
+ // Creates a new master document with key and links data with tag and
+ // creates a pointer(row) to the newly added data in the master table
+ Create(table string, key Key, tag string, data interface{}) error
+
+ // Reads data for a particular key with specific tag.
+ Read(table string, key Key, tag string) ([]byte, error)
+
+ // Update data for particular key with specific tag
+ Update(table string, key Key, tag string, data interface{}) error
+
+ // Deletes a specific tag data for key.
+ // TODO: If tag is empty, it will delete all tags under key.
+ Delete(table string, key Key, tag string) error
+
+ // Reads all master tables and data from the specified tag in table
+ ReadAll(table string, tag string) (map[string][]byte, error)
+}
+
+// CreateDBClient creates the DB client
+func createDBClient(dbType string) error {
+ var err error
+ switch dbType {
+ case "mongo":
+ // create a mongodb database with orchestrator as the name
+ DBconn, err = NewMongoStore("orchestrator", nil)
+ default:
+ return pkgerrors.New(dbType + "DB not supported")
+ }
+ return err
+}
+
+// Serialize converts given data into a JSON string
+func Serialize(v interface{}) (string, error) {
+ out, err := json.Marshal(v)
+ if err != nil {
+ return "", pkgerrors.Wrap(err, "Error serializing "+reflect.TypeOf(v).String())
+ }
+ return string(out), nil
+}
+
+// DeSerialize converts string to a json object specified by type
+func DeSerialize(str string, v interface{}) error {
+ err := json.Unmarshal([]byte(str), &v)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Error deSerializing "+str)
+ }
+ return nil
+}
+
+// InitializeDatabaseConnection sets up the connection to the
+// configured database to allow the application to talk to it.
+func InitializeDatabaseConnection() error {
+ err := createDBClient(config.GetConfiguration().DatabaseType)
+ if err != nil {
+ return pkgerrors.Cause(err)
+ }
+
+ err = DBconn.HealthCheck()
+ if err != nil {
+ return pkgerrors.Cause(err)
+ }
+
+ return nil
+}
diff --git a/src/orchestrator/internal/db/store_test.go b/src/orchestrator/internal/db/store_test.go
new file mode 100644
index 00000000..42a41787
--- /dev/null
+++ b/src/orchestrator/internal/db/store_test.go
@@ -0,0 +1,121 @@
+/*
+Copyright 2018 Intel Corporation.
+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 db
+
+import (
+ "reflect"
+ "strings"
+ "testing"
+)
+
+func TestCreateDBClient(t *testing.T) {
+ t.Run("Successfully create DB client", func(t *testing.T) {
+ expected := &MongoStore{}
+
+ err := createDBClient("mongo")
+ if err != nil {
+ t.Fatalf("CreateDBClient returned an error (%s)", err)
+ }
+ if reflect.TypeOf(DBconn) != reflect.TypeOf(expected) {
+ t.Fatalf("CreateDBClient set DBconn as:\n result=%T\n expected=%T", DBconn, expected)
+ }
+ })
+ t.Run("Fail to create client for unsupported DB", func(t *testing.T) {
+ err := createDBClient("fakeDB")
+ if err == nil {
+ t.Fatal("CreateDBClient didn't return an error")
+ }
+ if !strings.Contains(string(err.Error()), "DB not supported") {
+ t.Fatalf("CreateDBClient method returned an error (%s)", err)
+ }
+ })
+}
+
+func TestSerialize(t *testing.T) {
+
+ inp := map[string]interface{}{
+ "UUID": "123e4567-e89b-12d3-a456-426655440000",
+ "Data": "sdaijsdiodalkfjsdlagf",
+ "Number": 23,
+ "Float": 34.4,
+ "Map": map[string]interface{}{
+ "m1": "m1",
+ "m2": 2,
+ "m3": 3.0,
+ },
+ }
+
+ got, err := Serialize(inp)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ expected := "{\"Data\":\"sdaijsdiodalkfjsdlagf\"," +
+ "\"Float\":34.4,\"Map\":{\"m1\":\"m1\",\"m2\":2,\"m3\":3}," +
+ "\"Number\":23,\"UUID\":\"123e4567-e89b-12d3-a456-426655440000\"}"
+
+ if expected != got {
+ t.Errorf("Serialize returned unexpected string: %s;"+
+ " expected %sv", got, expected)
+ }
+}
+
+func TestDeSerialize(t *testing.T) {
+ testCases := []struct {
+ label string
+ input string
+ expected map[string]interface{}
+ errMsg string
+ }{
+ {
+ label: "Sucessful deserialize entry",
+ input: "{\"Data\":\"sdaijsdiodalkfjsdlagf\"," +
+ "\"Float\":34.4,\"Map\":{\"m1\":\"m1\",\"m3\":3}," +
+ "\"UUID\":\"123e4567-e89b-12d3-a456-426655440000\"}",
+ expected: map[string]interface{}{
+ "UUID": "123e4567-e89b-12d3-a456-426655440000",
+ "Data": "sdaijsdiodalkfjsdlagf",
+ "Float": 34.4,
+ "Map": map[string]interface{}{
+ "m1": "m1",
+ "m3": 3.0,
+ },
+ },
+ },
+ {
+ label: "Fail to deserialize invalid entry",
+ input: "{invalid}",
+ errMsg: "Error deSerializing {invalid}: invalid character 'i' looking for beginning of object key string",
+ },
+ }
+ for _, testCase := range testCases {
+ t.Run(testCase.label, func(t *testing.T) {
+ got := make(map[string]interface{})
+ err := DeSerialize(testCase.input, &got)
+ if err != nil {
+ if testCase.errMsg == "" {
+ t.Fatalf("DeSerialize method return an un-expected (%s)", err)
+ }
+ if !strings.Contains(string(err.Error()), testCase.errMsg) {
+ t.Fatalf("DeSerialize method returned an error (%s)", err)
+ }
+ } else {
+ if !reflect.DeepEqual(testCase.expected, got) {
+ t.Errorf("Serialize returned unexpected : %v;"+
+ " expected %v", got, testCase.expected)
+ }
+ }
+ })
+ }
+}