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-rw-r--r--src/k8splugin/api/handler.go379
1 files changed, 0 insertions, 379 deletions
diff --git a/src/k8splugin/api/handler.go b/src/k8splugin/api/handler.go
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--- a/src/k8splugin/api/handler.go
+++ /dev/null
@@ -1,379 +0,0 @@
-/*
-Copyright 2018 Intel Corporation.
-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"
- "errors"
- "io"
- "log"
- "net/http"
- "os"
- "strings"
-
- "github.com/gorilla/mux"
- pkgerrors "github.com/pkg/errors"
- "k8s.io/client-go/kubernetes"
-
- helper "k8splugin/internal/app"
- "k8splugin/internal/db"
- "k8splugin/internal/rb"
-)
-
-//TODO: Separate the http handler code and backend code out
-var storeName = "rbinst"
-var tagData = "data"
-
-type instanceKey struct {
- Key string
-}
-
-func (dk instanceKey) String() string {
- return dk.Key
-}
-
-// GetVNFClient retrieves the client used to communicate with a Kubernetes Cluster
-var GetVNFClient = func(kubeConfigPath string) (kubernetes.Clientset, error) {
- client, err := helper.GetKubeClient(kubeConfigPath)
- if err != nil {
- return client, err
- }
- return client, nil
-}
-
-func validateBody(body interface{}) error {
- switch b := body.(type) {
- case CreateVnfRequest:
- if b.CloudRegionID == "" {
- werr := pkgerrors.Wrap(errors.New("Invalid/Missing CloudRegionID in POST request"), "CreateVnfRequest bad request")
- return werr
- }
- if b.CsarID == "" {
- werr := pkgerrors.Wrap(errors.New("Invalid/Missing CsarID in POST request"), "CreateVnfRequest bad request")
- return werr
- }
- if b.RBName == "" || b.RBVersion == "" {
- werr := pkgerrors.Wrap(errors.New("Invalid/Missing resource bundle parameters in POST request"), "CreateVnfRequest bad request")
- return werr
- }
- if b.ProfileName == "" {
- werr := pkgerrors.Wrap(errors.New("Invalid/Missing profile name in POST request"), "CreateVnfRequest bad request")
- return werr
- }
- if strings.Contains(b.CloudRegionID, "|") {
- werr := pkgerrors.Wrap(errors.New("Character \"|\" not allowed in CSAR ID"), "CreateVnfRequest bad request")
- return werr
- }
- case UpdateVnfRequest:
- if b.CloudRegionID == "" || b.CsarID == "" {
- werr := pkgerrors.Wrap(errors.New("Invalid/Missing Data in PUT request"), "UpdateVnfRequest bad request")
- return werr
- }
- }
- return nil
-}
-
-// CreateHandler is the POST method creates a new VNF instance resource.
-func CreateHandler(w http.ResponseWriter, r *http.Request) {
- var resource CreateVnfRequest
-
- err := json.NewDecoder(r.Body).Decode(&resource)
- switch {
- case err == io.EOF:
- http.Error(w, "Body empty", http.StatusBadRequest)
- return
- case err != nil:
- http.Error(w, err.Error(), http.StatusUnprocessableEntity)
- return
- }
-
- err = validateBody(resource)
- if err != nil {
- http.Error(w, err.Error(), http.StatusUnprocessableEntity)
- return
- }
-
- // (TODO): Read kubeconfig for specific Cloud Region from local file system
- // if present or download it from AAI
- // err := DownloadKubeConfigFromAAI(resource.CloudRegionID, os.Getenv("KUBE_CONFIG_DIR")
- kubeclient, err := GetVNFClient(os.Getenv("KUBE_CONFIG_DIR") + "/" + resource.CloudRegionID)
- if err != nil {
- http.Error(w, err.Error(), http.StatusInternalServerError)
- return
- }
-
- /*
- uuid,
- {
- "deployment": ["cloud1-default-uuid-sisedeploy1", "cloud1-default-uuid-sisedeploy2", ... ]
- "service": ["cloud1-default-uuid-sisesvc1", "cloud1-default-uuid-sisesvc2", ... ]
- },
- nil
- */
- profile, err := rb.NewProfileClient().Get(resource.RBName, resource.RBVersion, resource.ProfileName)
- if err != nil {
- http.Error(w, err.Error(), http.StatusInternalServerError)
- return
- }
- externalVNFID, resourceNameMap, err := helper.CreateVNF(resource.CsarID, resource.CloudRegionID,
- profile, &kubeclient)
- if err != nil {
- werr := pkgerrors.Wrap(err, "Read Kubernetes Data information error")
- http.Error(w, werr.Error(), http.StatusInternalServerError)
- return
- }
-
- namespace := profile.Namespace
- // cloud1-default-uuid
- internalVNFID := resource.CloudRegionID + "-" + namespace + "-" + externalVNFID
-
- // Persist in AAI database.
- log.Printf("Cloud Region ID: %s, Namespace: %s, VNF ID: %s ", resource.CloudRegionID, namespace, externalVNFID)
-
- // TODO: Uncomment when annotations are done
- // krd.AddNetworkAnnotationsToPod(kubeData, resource.Networks)
-
- // key: cloud1-default-uuid
- // value: "{"deployment":<>,"service":<>}"
- err = db.DBconn.Create(storeName, instanceKey{Key: internalVNFID}, tagData, resourceNameMap)
- if err != nil {
- werr := pkgerrors.Wrap(err, "Create VNF deployment DB error")
- http.Error(w, werr.Error(), http.StatusInternalServerError)
- return
- }
-
- resp := CreateVnfResponse{
- VNFID: externalVNFID,
- CloudRegionID: resource.CloudRegionID,
- Namespace: namespace,
- VNFComponents: resourceNameMap,
- }
-
- w.Header().Set("Content-Type", "application/json")
- w.WriteHeader(http.StatusCreated)
- json.NewEncoder(w).Encode(resp)
-}
-
-// ListHandler the existing VNF instances created in a given Kubernetes cluster
-func ListHandler(w http.ResponseWriter, r *http.Request) {
- vars := mux.Vars(r)
-
- cloudRegionID := vars["cloudRegionID"]
- namespace := vars["namespace"]
- prefix := cloudRegionID + "-" + namespace
-
- res, err := db.DBconn.ReadAll(storeName, tagData)
- if err != nil {
- http.Error(w, pkgerrors.Wrap(err, "Get VNF list error").Error(),
- http.StatusInternalServerError)
- return
- }
-
- // TODO: There is an edge case where if namespace is passed but is missing some characters
- // trailing, it will print the result with those excluding characters. This is because of
- // the way I am trimming the Prefix. This fix is needed.
-
- var editedList []string
-
- for key, value := range res {
- if len(value) > 0 {
- editedList = append(editedList, strings.TrimPrefix(key, prefix)[1:])
- }
- }
-
- if len(editedList) == 0 {
- editedList = append(editedList, "")
- }
-
- resp := ListVnfsResponse{
- VNFs: editedList,
- }
-
- w.Header().Set("Content-Type", "application/json")
- w.WriteHeader(http.StatusOK)
- json.NewEncoder(w).Encode(resp)
-}
-
-// DeleteHandler method terminates an individual VNF instance.
-func DeleteHandler(w http.ResponseWriter, r *http.Request) {
- vars := mux.Vars(r)
-
- cloudRegionID := vars["cloudRegionID"] // cloud1
- namespace := vars["namespace"] // default
- externalVNFID := vars["externalVNFID"] // uuid
-
- // cloud1-default-uuid
- internalVNFID := cloudRegionID + "-" + namespace + "-" + externalVNFID
-
- // key: cloud1-default-uuid
- // value: "{"deployment":<>,"service":<>}"
- res, err := db.DBconn.Read(storeName, instanceKey{Key: internalVNFID}, tagData)
- if err != nil {
- http.Error(w, err.Error(), http.StatusInternalServerError)
- return
- }
-
- /*
- {
- "deployment": ["cloud1-default-uuid-sisedeploy1", "cloud1-default-uuid-sisedeploy2", ... ]
- "service": ["cloud1-default-uuid-sisesvc1", "cloud1-default-uuid-sisesvc2", ... ]
- },
- */
- data := make(map[string][]string)
- err = db.DBconn.Unmarshal(res, &data)
- if err != nil {
- werr := pkgerrors.Wrap(err, "Unmarshal VNF error")
- http.Error(w, werr.Error(), http.StatusInternalServerError)
- return
- }
-
- // (TODO): Read kubeconfig for specific Cloud Region from local file system
- // if present or download it from AAI
- // err := DownloadKubeConfigFromAAI(resource.CloudRegionID, os.Getenv("KUBE_CONFIG_DIR")
- kubeclient, err := GetVNFClient(os.Getenv("KUBE_CONFIG_DIR") + "/" + cloudRegionID)
- if err != nil {
- http.Error(w, err.Error(), http.StatusInternalServerError)
- return
- }
- err = helper.DestroyVNF(data, namespace, &kubeclient)
- if err != nil {
- werr := pkgerrors.Wrap(err, "Delete VNF error")
- http.Error(w, werr.Error(), http.StatusInternalServerError)
- return
- }
-
- err = db.DBconn.Delete(storeName, instanceKey{Key: internalVNFID}, tagData)
- if err != nil {
- werr := pkgerrors.Wrap(err, "Delete VNF db record error")
- http.Error(w, werr.Error(), http.StatusInternalServerError)
- return
- }
-
- w.Header().Set("Content-Type", "application/json")
- w.WriteHeader(http.StatusAccepted)
-}
-
-// // UpdateHandler method to update a VNF instance.
-// func UpdateHandler(w http.ResponseWriter, r *http.Request) {
-// vars := mux.Vars(r)
-// id := vars["vnfInstanceId"]
-
-// var resource UpdateVnfRequest
-
-// if r.Body == nil {
-// http.Error(w, "Body empty", http.StatusBadRequest)
-// return
-// }
-
-// err := json.NewDecoder(r.Body).Decode(&resource)
-// if err != nil {
-// http.Error(w, err.Error(), http.StatusUnprocessableEntity)
-// return
-// }
-
-// err = validateBody(resource)
-// if err != nil {
-// http.Error(w, err.Error(), http.StatusUnprocessableEntity)
-// return
-// }
-
-// kubeData, err := utils.ReadCSARFromFileSystem(resource.CsarID)
-
-// if kubeData.Deployment == nil {
-// werr := pkgerrors.Wrap(err, "Update VNF deployment error")
-// http.Error(w, werr.Error(), http.StatusInternalServerError)
-// return
-// }
-// kubeData.Deployment.SetUID(types.UID(id))
-
-// if err != nil {
-// werr := pkgerrors.Wrap(err, "Update VNF deployment information error")
-// http.Error(w, werr.Error(), http.StatusInternalServerError)
-// return
-// }
-
-// // (TODO): Read kubeconfig for specific Cloud Region from local file system
-// // if present or download it from AAI
-// s, err := NewVNFInstanceService("../kubeconfig/config")
-// if err != nil {
-// http.Error(w, err.Error(), http.StatusInternalServerError)
-// return
-// }
-
-// err = s.Client.UpdateDeployment(kubeData.Deployment, resource.Namespace)
-// if err != nil {
-// werr := pkgerrors.Wrap(err, "Update VNF error")
-
-// http.Error(w, werr.Error(), http.StatusInternalServerError)
-// return
-// }
-
-// resp := UpdateVnfResponse{
-// DeploymentID: id,
-// }
-
-// w.Header().Set("Content-Type", "application/json")
-// w.WriteHeader(http.StatusCreated)
-
-// err = json.NewEncoder(w).Encode(resp)
-// if err != nil {
-// werr := pkgerrors.Wrap(err, "Parsing output of new VNF error")
-// http.Error(w, werr.Error(), http.StatusInternalServerError)
-// }
-// }
-
-// GetHandler retrieves information about a VNF instance by reading an individual VNF instance resource.
-func GetHandler(w http.ResponseWriter, r *http.Request) {
- vars := mux.Vars(r)
-
- cloudRegionID := vars["cloudRegionID"] // cloud1
- namespace := vars["namespace"] // default
- externalVNFID := vars["externalVNFID"] // uuid
-
- // cloud1-default-uuid
- internalVNFID := cloudRegionID + "-" + namespace + "-" + externalVNFID
-
- // key: cloud1-default-uuid
- // value: "{"deployment":<>,"service":<>}"
- res, err := db.DBconn.Read(storeName, instanceKey{Key: internalVNFID}, tagData)
- if err != nil {
- http.Error(w, err.Error(), http.StatusInternalServerError)
- return
- }
-
- /*
- {
- "deployment": ["cloud1-default-uuid-sisedeploy1", "cloud1-default-uuid-sisedeploy2", ... ]
- "service": ["cloud1-default-uuid-sisesvc1", "cloud1-default-uuid-sisesvc2", ... ]
- },
- */
- data := make(map[string][]string)
- err = db.DBconn.Unmarshal(res, &data)
- if err != nil {
- werr := pkgerrors.Wrap(err, "Unmarshal VNF error")
- http.Error(w, werr.Error(), http.StatusInternalServerError)
- return
- }
-
- resp := GetVnfResponse{
- VNFID: externalVNFID,
- CloudRegionID: cloudRegionID,
- Namespace: namespace,
- VNFComponents: data,
- }
-
- w.Header().Set("Content-Type", "application/json")
- w.WriteHeader(http.StatusOK)
- json.NewEncoder(w).Encode(resp)
-}