diff options
Diffstat (limited to 'src/dcm/api/keyValueHandler.go')
| -rw-r--r-- | src/dcm/api/keyValueHandler.go | 261 |
1 files changed, 142 insertions, 119 deletions
diff --git a/src/dcm/api/keyValueHandler.go b/src/dcm/api/keyValueHandler.go index 57df6556..69333efb 100644 --- a/src/dcm/api/keyValueHandler.go +++ b/src/dcm/api/keyValueHandler.go @@ -14,148 +14,171 @@ * 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" -) + "encoding/json" + "io" + "net/http" + "github.com/gorilla/mux" + "github.com/onap/multicloud-k8s/src/dcm/pkg/module" +) // keyValueHandler is used to store backend implementations objects type keyValueHandler struct { - client module.KeyValueManager + 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 - } + 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 handles GET operations over key-value pairs +// Returns a list of Key Values +func (h keyValueHandler) getAllHandler(w http.ResponseWriter, r *http.Request) { + vars := mux.Vars(r) + project := vars["project-name"] + logicalCloud := vars["logical-cloud-name"] + var ret interface{} + var err error + + ret, err = h.client.GetAllKVPairs(project, logicalCloud) + 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 + } } // 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 - } + vars := mux.Vars(r) + project := vars["project-name"] + logicalCloud := vars["logical-cloud-name"] + name := vars["kv-pair-name"] + var ret interface{} + var err error + + ret, err = h.client.GetKVPair(project, logicalCloud, name) + if err != nil { + if err.Error() == "KV Pair does not exist" { + http.Error(w, err.Error(), http.StatusNotFound) + return + } + 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 - } + 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 { + if err.Error() == "KV Pair does not exist" { + http.Error(w, err.Error(), http.StatusNotFound) + return + } + 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 + } } //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) + 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) } |