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authorEric Multanen <eric.w.multanen@intel.com>2020-05-28 17:07:20 -0700
committerEric Multanen <eric.w.multanen@intel.com>2020-06-02 14:00:07 -0700
commitad7782cbf83c11f152a6457f3808a4da99a1ae56 (patch)
treee88276d8f0d55bd58a903d1c31ab4e43e4011193 /src/ovnaction/api/workloadifintenthandler.go
parentc257a136355a794f5bf778f670c041e8958c3608 (diff)
Create OVN network action controller from ncm
Split out part of ncm microservice to act as the Onv4k8s network action controller for the orchestrator. No code changes really - just moving around to fit the architectural plan. Issue-ID: MULTICLOUD-1029 Signed-off-by: Eric Multanen <eric.w.multanen@intel.com> Change-Id: I17292ac72d041050269f05fc4a0c2a6ca741aeb5
Diffstat (limited to 'src/ovnaction/api/workloadifintenthandler.go')
-rw-r--r--src/ovnaction/api/workloadifintenthandler.go251
1 files changed, 251 insertions, 0 deletions
diff --git a/src/ovnaction/api/workloadifintenthandler.go b/src/ovnaction/api/workloadifintenthandler.go
new file mode 100644
index 00000000..cf8f45bf
--- /dev/null
+++ b/src/ovnaction/api/workloadifintenthandler.go
@@ -0,0 +1,251 @@
+/*
+ * 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 workloadifintentHandler struct {
+ // Interface that implements workload intent operations
+ // We will set this variable with a mock interface for testing
+ client moduleLib.WorkloadIfIntentManager
+}
+
+// Check for valid format of input parameters
+func validateWorkloadIfIntentInputs(wif moduleLib.WorkloadIfIntent) error {
+ // validate metadata
+ err := moduleLib.IsValidMetadata(wif.Metadata)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Invalid network controller intent metadata")
+ }
+
+ errs := validation.IsValidName(wif.Spec.IfName)
+ if len(errs) > 0 {
+ return pkgerrors.Errorf("Invalid interface name = [%v], errors: %v", wif.Spec.IfName, errs)
+ }
+
+ errs = validation.IsValidName(wif.Spec.NetworkName)
+ if len(errs) > 0 {
+ return pkgerrors.Errorf("Invalid network name = [%v], errors: %v", wif.Spec.NetworkName, errs)
+ }
+
+ // optional - only validate if supplied
+ if len(wif.Spec.DefaultGateway) > 0 {
+ errs = validation.IsValidName(wif.Spec.DefaultGateway)
+ if len(errs) > 0 {
+ return pkgerrors.Errorf("Invalid default interface = [%v], errors: %v", wif.Spec.DefaultGateway, errs)
+ }
+ }
+
+ // optional - only validate if supplied
+ if len(wif.Spec.IpAddr) > 0 {
+ err = validation.IsIp(wif.Spec.IpAddr)
+ if err != nil {
+ return pkgerrors.Errorf("Invalid IP address = [%v], errors: %v", wif.Spec.IpAddr, err)
+ }
+ }
+
+ // optional - only validate if supplied
+ if len(wif.Spec.MacAddr) > 0 {
+ err = validation.IsMac(wif.Spec.MacAddr)
+ if err != nil {
+ return pkgerrors.Errorf("Invalid MAC address = [%v], errors: %v", wif.Spec.MacAddr, err)
+ }
+ }
+ return nil
+}
+
+// Create handles creation of the Network entry in the database
+func (h workloadifintentHandler) createHandler(w http.ResponseWriter, r *http.Request) {
+ var wif moduleLib.WorkloadIfIntent
+ vars := mux.Vars(r)
+ project := vars["project"]
+ compositeApp := vars["composite-app-name"]
+ compositeAppVersion := vars["version"]
+ netControlIntent := vars["net-control-intent"]
+ workloadIntent := vars["workload-intent"]
+
+ err := json.NewDecoder(r.Body).Decode(&wif)
+
+ 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 wif.Metadata.Name == "" {
+ http.Error(w, "Missing name in POST request", http.StatusBadRequest)
+ return
+ }
+
+ // set default value
+ if len(wif.Spec.DefaultGateway) == 0 {
+ wif.Spec.DefaultGateway = "false" // set default value
+ }
+
+ err = validateWorkloadIfIntentInputs(wif)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusBadRequest)
+ return
+ }
+
+ ret, err := h.client.CreateWorkloadIfIntent(wif, project, compositeApp, compositeAppVersion, netControlIntent, workloadIntent, 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 workloadifintentHandler) putHandler(w http.ResponseWriter, r *http.Request) {
+ var wif moduleLib.WorkloadIfIntent
+ vars := mux.Vars(r)
+ name := vars["name"]
+ project := vars["project"]
+ compositeApp := vars["composite-app-name"]
+ compositeAppVersion := vars["version"]
+ netControlIntent := vars["net-control-intent"]
+ workloadIntent := vars["workload-intent"]
+
+ err := json.NewDecoder(r.Body).Decode(&wif)
+
+ 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 wif.Metadata.Name == "" {
+ http.Error(w, "Missing name in PUT request", http.StatusBadRequest)
+ return
+ }
+
+ // Name in URL should match name in body
+ if wif.Metadata.Name != name {
+ fmt.Printf("bodyname = %v, name= %v\n", wif.Metadata.Name, name)
+ http.Error(w, "Mismatched name in PUT request", http.StatusBadRequest)
+ return
+ }
+
+ // set default value
+ if len(wif.Spec.DefaultGateway) == 0 {
+ wif.Spec.DefaultGateway = "false" // set default value
+ }
+
+ err = validateWorkloadIfIntentInputs(wif)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusBadRequest)
+ return
+ }
+
+ ret, err := h.client.CreateWorkloadIfIntent(wif, project, compositeApp, compositeAppVersion, netControlIntent, workloadIntent, 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 workloadifintentHandler) 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"]
+ workloadIntent := vars["workload-intent"]
+ var ret interface{}
+ var err error
+
+ if len(name) == 0 {
+ ret, err = h.client.GetWorkloadIfIntents(project, compositeApp, compositeAppVersion, netControlIntent, workloadIntent)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+ } else {
+ ret, err = h.client.GetWorkloadIfIntent(name, project, compositeApp, compositeAppVersion, netControlIntent, workloadIntent)
+ 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 workloadifintentHandler) 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"]
+ workloadIntent := vars["workload-intent"]
+
+ err := h.client.DeleteWorkloadIfIntent(name, project, compositeApp, compositeAppVersion, netControlIntent, workloadIntent)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+
+ w.WriteHeader(http.StatusNoContent)
+}