add new package mongodb and install lib mongodb

weed/filer2/mongodb/mongodb_store.go

@@ -0,0 +1,77 @@
+package mongodb
+
+import (
+	"context"
+	"github.com/chrislusf/seaweedfs/weed/filer2"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+	"time"
+)
+
+func init() {
+	filer2.Stores = append(filer2.Stores, &MongodbStore{})
+}
+
+type MongodbStore struct {
+	connect *mongo.Client
+}
+
+func (store *MongodbStore) GetName() string {
+	return "mongodb"
+}
+
+func (store *MongodbStore) Initialize(configuration util.Configuration, prefix string) (err error) {
+	return store.connection(configuration.GetString(prefix + "uri"))
+}
+
+func (store *MongodbStore) connection(uri string) (err error) {
+	ctx, _ := context.WithTimeout(context.Background(), 10*time.Second)
+	client, err := mongo.Connect(ctx, options.Client().ApplyURI(uri))
+	store.connect = client
+	return err
+}
+
+func (store *MongodbStore) BeginTransaction(ctx context.Context) (context.Context, error) {
+	return ctx, nil
+}
+
+func (store *MongodbStore) CommitTransaction(ctx context.Context) error {
+	return nil
+}
+
+func (store *MongodbStore) RollbackTransaction(ctx context.Context) error {
+	return nil
+}
+
+func (store *MongodbStore) InsertEntry(ctx context.Context, entry *filer2.Entry) (err error) {
+	return nil
+}
+
+func (store *MongodbStore) UpdateEntry(ctx context.Context, entry *filer2.Entry) (err error) {
+	return nil
+}
+
+func (store *MongodbStore) FindEntry(ctx context.Context, fullpath util.FullPath) (entry *filer2.Entry, err error) {
+	return nil, nil
+}
+
+func (store *MongodbStore) DeleteEntry(ctx context.Context, fullpath util.FullPath) error {
+
+	return nil
+}
+
+func (store *MongodbStore) DeleteFolderChildren(ctx context.Context, fullpath util.FullPath) error {
+
+	return nil
+}
+
+func (store *MongodbStore) ListDirectoryEntries(ctx context.Context, fullpath util.FullPath, startFileName string, inclusive bool, limit int) (entries []*filer2.Entry, err error) {
+
+	return nil, nil
+}
+
+func (store *MongodbStore) Shutdown() {
+	ctx, _ := context.WithTimeout(context.Background(), 10*time.Second)
+	store.connect.Disconnect(ctx)
+}