Implemented AppIntents and GenPlaceIntents

Implemented the routes for creating,
getting, and deleting generic placement intents
and App intents.

Issue-ID: MULTICLOUD-875
Signed-off-by: Rajamohan Raj <rajamohan.raj@intel.com>
Change-Id: Iecb11c442958a43a517772e066de45213e3d7030

1 files changed, 130 insertions, 0 deletions

diff --git a/src/orchestrator/api/generic_placement_intent_handler.go b/src/orchestrator/api/generic_placement_intent_handler.go
new file mode 100644
index 00000000..e186735c
--- /dev/null
+++ b/src/orchestrator/api/generic_placement_intent_handler.go
@@ -0,0 +1,130 @@
+/*
+ * 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"
+	"io"
+	"net/http"
+
+	moduleLib "github.com/onap/multicloud-k8s/src/orchestrator/pkg/module"
+
+	"github.com/gorilla/mux"
+)
+
+/* Used to store backend implementation objects
+Also simplifies mocking for unit testing purposes
+*/
+type genericPlacementIntentHandler struct {
+	client moduleLib.GenericPlacementIntentManager
+}
+
+// createGenericPlacementIntentHandler handles the create operation of intent
+func (h genericPlacementIntentHandler) createGenericPlacementIntentHandler(w http.ResponseWriter, r *http.Request) {
+
+	var g moduleLib.GenericPlacementIntent
+
+	err := json.NewDecoder(r.Body).Decode(&g)
+	switch {
+	case err == io.EOF:
+		http.Error(w, "Empty body", http.StatusBadRequest)
+		return
+	case err != nil:
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	if g.MetaData.Name == "" {
+		http.Error(w, "Missing genericPlacementIntentName in POST request", http.StatusBadRequest)
+		return
+	}
+
+	vars := mux.Vars(r)
+	projectName := vars["project-name"]
+	compositeAppName := vars["composite-app-name"]
+	version := vars["composite-app-version"]
+
+	gPIntent, createErr := h.client.CreateGenericPlacementIntent(g, projectName, compositeAppName, version)
+	if createErr != nil {
+		http.Error(w, createErr.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	err = json.NewEncoder(w).Encode(gPIntent)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// getGenericPlacementHandler handles the GET operations on intent
+func (h genericPlacementIntentHandler) getGenericPlacementHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	intentName := vars["intent-name"]
+	if intentName == "" {
+		http.Error(w, "Missing genericPlacementIntentName in GET request", http.StatusBadRequest)
+		return
+	}
+	projectName := vars["project-name"]
+	if projectName == "" {
+		http.Error(w, "Missing projectName in GET request", http.StatusBadRequest)
+		return
+	}
+	compositeAppName := vars["composite-app-name"]
+	if compositeAppName == "" {
+		http.Error(w, "Missing compositeAppName in GET request", http.StatusBadRequest)
+		return
+	}
+
+	version := vars["composite-app-version"]
+	if version == "" {
+		http.Error(w, "Missing version in GET request", http.StatusBadRequest)
+		return
+	}
+
+	gPIntent, err := h.client.GetGenericPlacementIntent(intentName, projectName, compositeAppName, version)
+	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(gPIntent)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+// deleteGenericPlacementHandler handles the delete operations on intent
+func (h genericPlacementIntentHandler) deleteGenericPlacementHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	i := vars["intent-name"]
+	p := vars["project-name"]
+	ca := vars["composite-app-name"]
+	v := vars["composite-app-version"]
+
+	err := h.client.DeleteGenericPlacementIntent(i, p, ca, v)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.WriteHeader(http.StatusNoContent)
+}