diff options
Diffstat (limited to 'src/ovnaction/api/workloadintenthandler.go')
| -rw-r--r-- | src/ovnaction/api/workloadintenthandler.go | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/src/ovnaction/api/workloadintenthandler.go b/src/ovnaction/api/workloadintenthandler.go new file mode 100644 index 00000000..cf7ecebc --- /dev/null +++ b/src/ovnaction/api/workloadintenthandler.go @@ -0,0 +1,218 @@ +/* + * 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" + "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 workloadintentHandler struct { + // Interface that implements workload intent operations + // We will set this variable with a mock interface for testing + client moduleLib.WorkloadIntentManager +} + +// Check for valid format of input parameters +func validateWorkloadIntentInputs(wi moduleLib.WorkloadIntent) error { + // validate metadata + err := moduleLib.IsValidMetadata(wi.Metadata) + if err != nil { + return pkgerrors.Wrap(err, "Invalid network controller intent metadata") + } + + errs := validation.IsValidName(wi.Spec.AppName) + if len(errs) > 0 { + return pkgerrors.Errorf("Invalid application name = [%v], errors: %v", wi.Spec.AppName, errs) + } + + errs = validation.IsValidName(wi.Spec.WorkloadResource) + if len(errs) > 0 { + return pkgerrors.Errorf("Invalid workload resource = [%v], errors: %v", wi.Spec.WorkloadResource, errs) + } + + errs = validation.IsValidName(wi.Spec.Type) + if len(errs) > 0 { + return pkgerrors.Errorf("Invalid workload type = [%v], errors: %v", wi.Spec.Type, errs) + } + return nil +} + +// Create handles creation of the Network entry in the database +func (h workloadintentHandler) createHandler(w http.ResponseWriter, r *http.Request) { + var wi moduleLib.WorkloadIntent + vars := mux.Vars(r) + project := vars["project"] + compositeApp := vars["composite-app-name"] + compositeAppVersion := vars["version"] + netControlIntent := vars["net-control-intent"] + + err := json.NewDecoder(r.Body).Decode(&wi) + + 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 wi.Metadata.Name == "" { + http.Error(w, "Missing name in POST request", http.StatusBadRequest) + return + } + + err = validateWorkloadIntentInputs(wi) + if err != nil { + http.Error(w, err.Error(), http.StatusBadRequest) + return + } + + ret, err := h.client.CreateWorkloadIntent(wi, project, compositeApp, compositeAppVersion, netControlIntent, 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 workloadintentHandler) putHandler(w http.ResponseWriter, r *http.Request) { + var wi moduleLib.WorkloadIntent + vars := mux.Vars(r) + name := vars["name"] + project := vars["project"] + compositeApp := vars["composite-app-name"] + compositeAppVersion := vars["version"] + netControlIntent := vars["net-control-intent"] + + err := json.NewDecoder(r.Body).Decode(&wi) + + 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 wi.Metadata.Name == "" { + http.Error(w, "Missing name in PUT request", http.StatusBadRequest) + return + } + + // Name in URL should match name in body + if wi.Metadata.Name != name { + fmt.Printf("bodyname = %v, name= %v\n", wi.Metadata.Name, name) + http.Error(w, "Mismatched name in PUT request", http.StatusBadRequest) + return + } + + err = validateWorkloadIntentInputs(wi) + if err != nil { + http.Error(w, err.Error(), http.StatusBadRequest) + return + } + + ret, err := h.client.CreateWorkloadIntent(wi, project, compositeApp, compositeAppVersion, netControlIntent, 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 workloadintentHandler) 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"] + netControlIntent := vars["net-control-intent"] + var ret interface{} + var err error + + if len(name) == 0 { + ret, err = h.client.GetWorkloadIntents(project, compositeApp, compositeAppVersion, netControlIntent) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + } else { + ret, err = h.client.GetWorkloadIntent(name, project, compositeApp, compositeAppVersion, netControlIntent) + 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 workloadintentHandler) 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"] + netControlIntent := vars["net-control-intent"] + + err := h.client.DeleteWorkloadIntent(name, project, compositeApp, compositeAppVersion, netControlIntent) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + + w.WriteHeader(http.StatusNoContent) +} |