diff options
Diffstat (limited to 'src/dcm/api/clusterHandler.go')
-rw-r--r-- | src/dcm/api/clusterHandler.go | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/dcm/api/clusterHandler.go b/src/dcm/api/clusterHandler.go new file mode 100644 index 00000000..3e483f06 --- /dev/null +++ b/src/dcm/api/clusterHandler.go @@ -0,0 +1,162 @@ +/* +* 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" +) + + +// clusterHandler is used to store backend implementations objects +type clusterHandler struct { + client module.ClusterManager +} + +// CreateHandler handles creation of the cluster reference entry in the database + +func (h clusterHandler) createHandler(w http.ResponseWriter, r *http.Request) { + vars := mux.Vars(r) + project := vars["project-name"] + logicalCloud := vars["logical-cloud-name"] + var v module.Cluster + + 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 + } + + // Cluster Reference Name is required. + if v.MetaData.ClusterReference == "" { + http.Error(w, "Missing name in POST request", http.StatusBadRequest) + return + } + + ret, err := h.client.CreateCluster(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 Cluster Reference +func (h clusterHandler) getHandler(w http.ResponseWriter, r *http.Request) { + vars := mux.Vars(r) + project := vars["project-name"] + logicalCloud := vars["logical-cloud-name"] + name := vars["cluster-reference"] + var ret interface{} + var err error + + if len(name) == 0 { + ret, err = h.client.GetAllClusters(project, logicalCloud) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + } else { + ret, err = h.client.GetCluster(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 cluster reference +func (h clusterHandler) updateHandler(w http.ResponseWriter, r *http.Request) { + var v module.Cluster + vars := mux.Vars(r) + project := vars["project-name"] + logicalCloud := vars["logical-cloud-name"] + name := vars["cluster-reference"] + + 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.ClusterReference == "" { + http.Error(w, "Missing name in PUT request", http.StatusBadRequest) + return + } + + ret, err := h.client.UpdateCluster(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 clusterHandler) deleteHandler(w http.ResponseWriter, r *http.Request) { + vars := mux.Vars(r) + project := vars["project-name"] + logicalCloud := vars["logical-cloud-name"] + name := vars["cluster-reference"] + + err := h.client.DeleteCluster(project, logicalCloud, name) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + + w.WriteHeader(http.StatusNoContent) +} |