diff options
Diffstat (limited to 'src/ovnaction/api/netcontrolintenthandler.go')
| -rw-r--r-- | src/ovnaction/api/netcontrolintenthandler.go | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/src/ovnaction/api/netcontrolintenthandler.go b/src/ovnaction/api/netcontrolintenthandler.go new file mode 100644 index 00000000..fe2109b6 --- /dev/null +++ b/src/ovnaction/api/netcontrolintenthandler.go @@ -0,0 +1,232 @@ +/* + * 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/ovnaction/pkg/module" + pkgerrors "github.com/pkg/errors" + + "github.com/gorilla/mux" +) + +// Used to store backend implementations objects +// Also simplifies mocking for unit testing purposes +type netcontrolintentHandler struct { + // Interface that implements Cluster operations + // We will set this variable with a mock interface for testing + client moduleLib.NetControlIntentManager +} + +// Check for valid format of input parameters +func validateNetControlIntentInputs(nci moduleLib.NetControlIntent) error { + // validate metadata + err := moduleLib.IsValidMetadata(nci.Metadata) + if err != nil { + return pkgerrors.Wrap(err, "Invalid network controller intent metadata") + } + return nil +} + +// Create handles creation of the NetControlIntent entry in the database +func (h netcontrolintentHandler) createHandler(w http.ResponseWriter, r *http.Request) { + var nci moduleLib.NetControlIntent + vars := mux.Vars(r) + project := vars["project"] + compositeApp := vars["composite-app-name"] + compositeAppVersion := vars["version"] + + err := json.NewDecoder(r.Body).Decode(&nci) + + 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 nci.Metadata.Name == "" { + http.Error(w, "Missing name in POST request", http.StatusBadRequest) + return + } + + err = validateNetControlIntentInputs(nci) + if err != nil { + http.Error(w, err.Error(), http.StatusBadRequest) + return + } + + ret, err := h.client.CreateNetControlIntent(nci, project, compositeApp, compositeAppVersion, 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 NetControlIntent entry in the database +func (h netcontrolintentHandler) putHandler(w http.ResponseWriter, r *http.Request) { + var nci moduleLib.NetControlIntent + vars := mux.Vars(r) + name := vars["name"] + project := vars["project"] + compositeApp := vars["composite-app-name"] + compositeAppVersion := vars["version"] + + err := json.NewDecoder(r.Body).Decode(&nci) + + 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 nci.Metadata.Name == "" { + http.Error(w, "Missing name in PUT request", http.StatusBadRequest) + return + } + + // Name in URL should match name in body + if nci.Metadata.Name != name { + fmt.Printf("bodyname = %v, name= %v\n", nci.Metadata.Name, name) + http.Error(w, "Mismatched name in PUT request", http.StatusBadRequest) + return + } + + err = validateNetControlIntentInputs(nci) + if err != nil { + http.Error(w, err.Error(), http.StatusBadRequest) + return + } + + ret, err := h.client.CreateNetControlIntent(nci, project, compositeApp, compositeAppVersion, 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 NetControlIntent Name +// Returns a NetControlIntent +func (h netcontrolintentHandler) getHandler(w http.ResponseWriter, r *http.Request) { + vars := mux.Vars(r) + name := vars["name"] + project := vars["project"] + compositeApp := vars["composite-app-name"] + compositeAppVersion := vars["version"] + var ret interface{} + var err error + + if len(name) == 0 { + ret, err = h.client.GetNetControlIntents(project, compositeApp, compositeAppVersion) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + } else { + ret, err = h.client.GetNetControlIntent(name, project, compositeApp, compositeAppVersion) + 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 NetControlIntent Name +func (h netcontrolintentHandler) deleteHandler(w http.ResponseWriter, r *http.Request) { + vars := mux.Vars(r) + name := vars["name"] + project := vars["project"] + compositeApp := vars["composite-app-name"] + compositeAppVersion := vars["version"] + + err := h.client.DeleteNetControlIntent(name, project, compositeApp, compositeAppVersion) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + + w.WriteHeader(http.StatusNoContent) +} + +// Apply handles POST operations to Apply a particular NetControlIntent to the App Context +// TODO: This is a test API - it can be removed once the orchestrator has been implemented to +// invoke the appcontext update via grpc. +func (h netcontrolintentHandler) applyHandler(w http.ResponseWriter, r *http.Request) { + vars := mux.Vars(r) + name := vars["name"] + project := vars["project"] + compositeApp := vars["composite-app-name"] + compositeAppVersion := vars["version"] + + var aci struct { + AppContextId string `json:"appContextId"` + } + + err := json.NewDecoder(r.Body).Decode(&aci) + + switch { + case err == io.EOF: + http.Error(w, "Empty body", http.StatusBadRequest) + return + case err != nil: + http.Error(w, err.Error(), http.StatusUnprocessableEntity) + return + } + + err = h.client.ApplyNetControlIntent(name, project, compositeApp, compositeAppVersion, aci.AppContextId) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + + w.WriteHeader(http.StatusNoContent) +} |