1 files changed, 72 insertions, 0 deletions
diff --git a/src/orchestrator/pkg/infra/contextdb/contextdb.go b/src/orchestrator/pkg/infra/contextdb/contextdb.go
new file mode 100644
index 00000000..d18af227
--- /dev/null
+++ b/src/orchestrator/pkg/infra/contextdb/contextdb.go
@@ -0,0 +1,72 @@
+/*
+Copyright 2020 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 contextdb
+
+import (
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/config"
+	pkgerrors "github.com/pkg/errors"
+)
+
+// Db interface used to talk a concrete Database connection
+var Db ContextDb
+
+// ContextDb is an interface for accessing the context database
+type ContextDb interface {
+	// Returns nil if db health is good
+	HealthCheck() error
+	// Puts Json Struct in db with key
+	Put(key string, value interface{}) error
+	// Delete k,v
+	Delete(key string) error
+	// Gets Json Struct from db
+	Get(key string, value interface{}) error
+	// Returns all keys with a prefix
+	GetAllKeys(path string) ([]string, error)
+}
+
+// createContextDBClient creates the DB client
+func createContextDBClient(dbType string) error {
+	var err error
+	switch dbType {
+	case "etcd":
+		c := EtcdConfig{
+			Endpoint: config.GetConfiguration().EtcdIP,
+			CertFile: config.GetConfiguration().EtcdCert,
+			KeyFile:  config.GetConfiguration().EtcdKey,
+			CAFile:   config.GetConfiguration().EtcdCAFile,
+		}
+		Db, err = NewEtcdClient(nil, c)
+		if err != nil {
+			pkgerrors.Wrap(err, "Etcd Client Initialization failed with error")
+		}
+	default:
+		return pkgerrors.New(dbType + "DB not supported")
+	}
+	return err
+}
+
+// InitializeContextDatabase sets up the connection to the
+// configured database to allow the application to talk to it.
+func InitializeContextDatabase() error {
+	// Only support Etcd for now
+	err := createContextDBClient("etcd")
+	if err != nil {
+		return pkgerrors.Cause(err)
+	}
+	err = Db.HealthCheck()
+	if err != nil {
+		return pkgerrors.Cause(err)
+	}
+	return nil
+}