Add etcd support in infrastructure layer

Create a etcd client and provide minimal
functionality needed by the orchestrator
for using etcd

Issue-ID: MULTICLOUD-871
Signed-off-by: Ritu Sood <ritu.sood@intel.com>
Change-Id: I56fb4643addf43cdc59366e7163b66bb1618876d

1 files changed, 58 insertions, 0 deletions

diff --git a/src/orchestrator/pkg/infra/contextdb/mock.go b/src/orchestrator/pkg/infra/contextdb/mock.go
new file mode 100644
index 00000000..fc0f8ff7
--- /dev/null
+++ b/src/orchestrator/pkg/infra/contextdb/mock.go
@@ -0,0 +1,58 @@
+/*
+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 (
+	pkgerrors "github.com/pkg/errors"
+)
+
+type MockEtcd struct {
+	Items map[string]interface{}
+	Err   error
+}
+
+func (c *MockEtcd) Put(key string, value interface{}) error {
+	if c.Items == nil {
+		c.Items = make(map[string]interface{})
+	}
+	c.Items[key] = value
+	return c.Err
+}
+
+func (c *MockEtcd) Get(key string, value interface{}) error {
+	for kvKey, kvValue := range c.Items {
+		if kvKey == key {
+			value = kvValue
+			return nil
+		}
+	}
+	return pkgerrors.Errorf("Key doesn't exist")
+}
+
+func (c *MockEtcd) Delete(key string) error {
+	delete(c.Items, key)
+	return c.Err
+}
+
+func (c *MockEtcd) GetAllKeys(path string) ([]string, error) {
+	var keys []string
+	for k, _ := range c.Items {
+		keys = append(keys, string(k))
+	}
+	return keys, nil
+}
+
+func (e *MockEtcd) HealthCheck() error {
+	return nil
+}