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-rw-r--r--src/dcm/api/keyValueHandler.go161
1 files changed, 161 insertions, 0 deletions
diff --git a/src/dcm/api/keyValueHandler.go b/src/dcm/api/keyValueHandler.go
new file mode 100644
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--- /dev/null
+++ b/src/dcm/api/keyValueHandler.go
@@ -0,0 +1,161 @@
+/*
+* Copyright 2020 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 api
+
+import (
+ "encoding/json"
+ "net/http"
+ "io"
+ "github.com/onap/multicloud-k8s/src/dcm/pkg/module"
+ "github.com/gorilla/mux"
+)
+
+
+// keyValueHandler is used to store backend implementations objects
+type keyValueHandler struct {
+ client module.KeyValueManager
+}
+
+// CreateHandler handles creation of the key value entry in the database
+
+func (h keyValueHandler) createHandler(w http.ResponseWriter, r *http.Request) {
+ vars := mux.Vars(r)
+ project := vars["project-name"]
+ logicalCloud := vars["logical-cloud-name"]
+ var v module.KeyValue
+
+ err := json.NewDecoder(r.Body).Decode(&v)
+ switch {
+ case err == io.EOF:
+ http.Error(w, "Empty body", http.StatusBadRequest)
+ return
+ case err != nil:
+ http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+ return
+ }
+
+ // Key Value Name is required.
+ if v.MetaData.KeyValueName == "" {
+ http.Error(w, "Missing name in POST request", http.StatusBadRequest)
+ return
+ }
+
+ ret, err := h.client.CreateKVPair(project, logicalCloud, v)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+
+ w.Header().Set("Content-Type", "application/json")
+ w.WriteHeader(http.StatusCreated)
+ err = json.NewEncoder(w).Encode(ret)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+}
+
+// getHandler handle GET operations on a particular name
+// Returns a Key Value
+func (h keyValueHandler) getHandler(w http.ResponseWriter, r *http.Request) {
+ vars := mux.Vars(r)
+ project := vars["project-name"]
+ logicalCloud := vars["logical-cloud-name"]
+ name := vars["kv-pair-name"]
+ var ret interface{}
+ var err error
+
+ if len(name) == 0 {
+ ret, err = h.client.GetAllKVPairs(project, logicalCloud)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+ } else {
+ ret, err = h.client.GetKVPair(project, logicalCloud, name)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+ }
+
+ w.Header().Set("Content-Type", "application/json")
+ w.WriteHeader(http.StatusOK)
+ err = json.NewEncoder(w).Encode(ret)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+}
+
+// UpdateHandler handles Update operations on a particular Key Value
+func (h keyValueHandler) updateHandler(w http.ResponseWriter, r *http.Request) {
+ var v module.KeyValue
+ vars := mux.Vars(r)
+ project := vars["project-name"]
+ logicalCloud := vars["logical-cloud-name"]
+ name := vars["kv-pair-name"]
+
+ err := json.NewDecoder(r.Body).Decode(&v)
+ switch {
+ case err == io.EOF:
+ http.Error(w, "Empty body", http.StatusBadRequest)
+ return
+ case err != nil:
+ http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+ return
+ }
+
+ // Name is required.
+ if v.MetaData.KeyValueName == "" {
+ http.Error(w, "Missing name in PUT request", http.StatusBadRequest)
+ return
+ }
+
+ ret, err := h.client.UpdateKVPair(project, logicalCloud, name, v)
+ if err != nil {
+ http.Error(w, err.Error(),
+ http.StatusInternalServerError)
+ return
+ }
+ w.Header().Set("Content-Type", "application/json")
+ w.WriteHeader(http.StatusCreated)
+ err = json.NewEncoder(w).Encode(ret)
+ if err != nil {
+ http.Error(w, err.Error(),
+ http.StatusInternalServerError)
+ return
+ }
+}
+
+//deleteHandler handles DELETE operations on a particular record
+func (h keyValueHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
+ vars := mux.Vars(r)
+ project := vars["project-name"]
+ logicalCloud := vars["logical-cloud-name"]
+ name := vars["kv-pair-name"]
+
+ err := h.client.DeleteKVPair(project, logicalCloud, name)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+
+ w.WriteHeader(http.StatusNoContent)
+}