1 files changed, 215 insertions, 0 deletions
diff --git a/src/ncm/api/networkhandler.go b/src/ncm/api/networkhandler.go
new file mode 100644
index 00000000..01d077a7
--- /dev/null
+++ b/src/ncm/api/networkhandler.go
@@ -0,0 +1,215 @@
+/*
+ * 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"
+	"fmt"
+	"io"
+	"net/http"
+
+	moduleLib "github.com/onap/multicloud-k8s/src/ncm/pkg/module"
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/validation"
+	pkgerrors "github.com/pkg/errors"
+
+	"github.com/gorilla/mux"
+)
+
+// Used to store backend implementations objects
+// Also simplifies mocking for unit testing purposes
+type networkHandler struct {
+	// Interface that implements Cluster operations
+	// We will set this variable with a mock interface for testing
+	client moduleLib.NetworkManager
+}
+
+// Check for valid format of input parameters
+func validateNetworkInputs(p moduleLib.Network) error {
+	// validate name
+	errs := validation.IsValidName(p.Metadata.Name)
+	if len(errs) > 0 {
+		return pkgerrors.Errorf("Invalid network name - name=[%v], errors: %v", p.Metadata.Name, errs)
+	}
+
+	// validate cni type
+	found := false
+	for _, val := range moduleLib.CNI_TYPES {
+		if p.Spec.CniType == val {
+			found = true
+			break
+		}
+	}
+	if !found {
+		return pkgerrors.Errorf("Invalid cni type: %v", p.Spec.CniType)
+	}
+
+	subnets := p.Spec.Ipv4Subnets
+	for _, subnet := range subnets {
+		err := moduleLib.ValidateSubnet(subnet)
+		if err != nil {
+			return pkgerrors.Wrap(err, "invalid subnet")
+		}
+	}
+	return nil
+}
+
+// Create handles creation of the Network entry in the database
+func (h networkHandler) createNetworkHandler(w http.ResponseWriter, r *http.Request) {
+	var p moduleLib.Network
+	vars := mux.Vars(r)
+	clusterProvider := vars["provider-name"]
+	cluster := vars["cluster-name"]
+
+	err := json.NewDecoder(r.Body).Decode(&p)
+
+	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 p.Metadata.Name == "" {
+		http.Error(w, "Missing name in POST request", http.StatusBadRequest)
+		return
+	}
+
+	err = validateNetworkInputs(p)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.CreateNetwork(p, clusterProvider, cluster, false)
+	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
+	}
+}
+
+// Put handles creation/update of the Network entry in the database
+func (h networkHandler) putNetworkHandler(w http.ResponseWriter, r *http.Request) {
+	var p moduleLib.Network
+	vars := mux.Vars(r)
+	clusterProvider := vars["provider-name"]
+	cluster := vars["cluster-name"]
+	name := vars["name"]
+
+	err := json.NewDecoder(r.Body).Decode(&p)
+
+	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 p.Metadata.Name == "" {
+		http.Error(w, "Missing name in PUT request", http.StatusBadRequest)
+		return
+	}
+
+	// Name in URL should match name in body
+	if p.Metadata.Name != name {
+		fmt.Printf("bodyname = %v, name= %v\n", p.Metadata.Name, name)
+		http.Error(w, "Mismatched name in PUT request", http.StatusBadRequest)
+		return
+	}
+
+	err = validateNetworkInputs(p)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.CreateNetwork(p, clusterProvider, cluster, true)
+	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
+	}
+}
+
+// Get handles GET operations on a particular Network Name
+// Returns a Network
+func (h networkHandler) getNetworkHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	clusterProvider := vars["provider-name"]
+	cluster := vars["cluster-name"]
+	name := vars["name"]
+	var ret interface{}
+	var err error
+
+	if len(name) == 0 {
+		ret, err = h.client.GetNetworks(clusterProvider, cluster)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	} else {
+		ret, err = h.client.GetNetwork(name, clusterProvider, cluster)
+		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
+	}
+}
+
+// Delete handles DELETE operations on a particular Network  Name
+func (h networkHandler) deleteNetworkHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	clusterProvider := vars["provider-name"]
+	cluster := vars["cluster-name"]
+	name := vars["name"]
+
+	err := h.client.DeleteNetwork(name, clusterProvider, cluster)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}