2 ==================================================================================
3 Copyright (c) 2019 AT&T Intellectual Property.
4 Copyright (c) 2019 Nokia
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
10 http://www.apache.org/licenses/LICENSE-2.0
12 Unless required by applicable law or agreed to in writing, software
13 distributed under the License is distributed on an "AS IS" BASIS,
14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 See the License for the specific language governing permissions and
16 limitations under the License.
17 ==================================================================================
29 "github.com/gorilla/mux"
30 "github.com/spf13/viper"
32 "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/models"
36 ReadyURL = "/ric/v1/health/ready"
37 AliveURL = "/ric/v1/health/alive"
38 ConfigURL = "/ric/v1/cm/{name}"
39 AppConfigURL = "/ric/v1/config"
46 type StatusCb func() bool
53 func NewRouter() *Router {
55 router: mux.NewRouter().StrictSlash(true),
56 cbMap: make([]StatusCb, 0),
59 // Inject default routes for health probes
60 r.InjectRoute(ReadyURL, readyHandler, "GET")
61 r.InjectRoute(AliveURL, aliveHandler, "GET")
62 r.InjectRoute(ConfigURL, configHandler, "POST")
63 r.InjectRoute(AppConfigURL, appconfigHandler, "GET")
68 func (r *Router) serviceChecker(inner http.HandlerFunc) http.HandlerFunc {
69 return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
70 Logger.Info("restapi: method=%s url=%s", req.Method, req.URL.RequestURI())
71 if req.URL.RequestURI() == AliveURL || r.CheckStatus() {
72 inner.ServeHTTP(w, req)
74 respondWithJSON(w, http.StatusServiceUnavailable, nil)
79 func (r *Router) InjectRoute(url string, handler http.HandlerFunc, method string) *mux.Route {
80 return r.router.Path(url).HandlerFunc(r.serviceChecker(handler)).Methods(method)
83 func (r *Router) InjectQueryRoute(url string, h http.HandlerFunc, m string, q ...string) *mux.Route {
84 return r.router.Path(url).HandlerFunc(r.serviceChecker(h)).Methods(m).Queries(q...)
87 func (r *Router) InjectRoutePrefix(prefix string, handler http.HandlerFunc) *mux.Route {
88 return r.router.PathPrefix(prefix).HandlerFunc(r.serviceChecker(handler))
91 func (r *Router) InjectStatusCb(f StatusCb) {
92 r.cbMap = append(r.cbMap, f)
95 func (r *Router) CheckStatus() (status bool) {
96 if len(r.cbMap) == 0 {
100 for _, f := range r.cbMap {
106 func (r *Router) GetSymptomDataParams(w http.ResponseWriter, req *http.Request) SymptomDataParams {
107 params := SymptomDataParams{}
108 queryParams := req.URL.Query()
110 for p := range queryParams {
112 fmt.Sscanf(p, "%d", ¶ms.Timeout)
115 fmt.Sscanf(p, "%d", ¶ms.FromTime)
118 fmt.Sscanf(p, "%d", ¶ms.ToTime)
124 func (r *Router) CollectDefaultSymptomData(fileName string, data interface{}) string {
125 baseDir := Config.GetString("controls.symptomdata.baseDir")
127 baseDir = "/tmp/xapp/"
130 if err := Util.CreateDir(baseDir); err != nil {
131 Logger.Error("CreateDir failed: %v", err)
135 if metrics, err := r.GetLocalMetrics(GetPortData("http").Port); err == nil {
136 if err := Util.WriteToFile(baseDir+"metrics.json", metrics); err != nil {
137 Logger.Error("writeToFile failed for metrics.json: %v", err)
142 if b, err := json.MarshalIndent(data, "", " "); err == nil {
143 Util.WriteToFile(baseDir+fileName, string(b))
147 rtPath := os.Getenv("RMR_STASH_RT")
152 input, err := ioutil.ReadFile(rtPath)
154 Logger.Error("ioutil.ReadFile failed: %v", err)
158 Util.WriteToFile(baseDir+"rttable.txt", string(input))
162 func (r *Router) SendSymptomDataJson(w http.ResponseWriter, req *http.Request, data interface{}, n string) {
163 w.Header().Set("Content-Type", "application/json")
164 w.Header().Set("Content-Disposition", "attachment; filename="+n)
165 w.WriteHeader(http.StatusOK)
167 response, _ := json.MarshalIndent(data, "", " ")
172 func (r *Router) SendSymptomDataFile(w http.ResponseWriter, req *http.Request, baseDir, zipFile string) {
173 // Compress and reply with attachment
174 tmpFile, err := ioutil.TempFile("", "symptom")
176 r.SendSymptomDataError(w, req, "Failed to create a tmp file: "+err.Error())
179 defer os.Remove(tmpFile.Name())
181 var fileList []string
182 fileList = Util.FetchFiles(baseDir, fileList)
183 err = Util.ZipFiles(tmpFile, baseDir, fileList)
185 r.SendSymptomDataError(w, req, "Failed to zip the files: "+err.Error())
189 w.Header().Set("Content-Disposition", "attachment; filename="+zipFile)
190 http.ServeFile(w, req, tmpFile.Name())
193 func (r *Router) SendSymptomDataError(w http.ResponseWriter, req *http.Request, message string) {
194 w.Header().Set("Content-Disposition", "attachment; filename=error_status.txt")
195 http.Error(w, message, http.StatusInternalServerError)
198 func (r *Router) GetLocalMetrics(port int) (string, error) {
199 resp, err := http.Get(fmt.Sprintf("http://localhost:%d/ric/v1/metrics", port))
203 defer resp.Body.Close()
205 metrics, err := ioutil.ReadAll(resp.Body)
210 return string(metrics), nil
213 func IsHealthProbeReady() bool {
217 func readyHandler(w http.ResponseWriter, r *http.Request) {
219 respondWithJSON(w, http.StatusOK, nil)
222 func aliveHandler(w http.ResponseWriter, r *http.Request) {
223 respondWithJSON(w, http.StatusOK, nil)
226 func configHandler(w http.ResponseWriter, r *http.Request) {
227 xappName := mux.Vars(r)["name"]
228 if xappName == "" || r.Body == nil {
229 respondWithJSON(w, http.StatusBadRequest, nil)
234 body, err := ioutil.ReadAll(r.Body)
236 Logger.Error("ioutil.ReadAll failed: %v", err)
237 respondWithJSON(w, http.StatusInternalServerError, nil)
241 if err := PublishConfigChange(xappName, string(body)); err != nil {
242 respondWithJSON(w, http.StatusInternalServerError, nil)
246 respondWithJSON(w, http.StatusOK, nil)
249 func respondWithJSON(w http.ResponseWriter, code int, payload interface{}) {
250 w.Header().Set("Content-Type", "application/json")
253 response, _ := json.Marshal(payload)
258 func appconfigHandler(w http.ResponseWriter, r *http.Request) {
260 Logger.Info("Inside appconfigHandler")
262 var appconfig models.XappConfigList
263 var metadata models.ConfigMetadata
264 var xappconfig models.XAppConfig
265 name := viper.GetString("name")
267 metadata.XappName = &name
268 metadata.ConfigType = &configtype
270 configFile, err := os.Open("/opt/ric/config/config-file.json")
272 Logger.Error("Cannot open config file: %v", err)
273 respondWithJSON(w, http.StatusInternalServerError, nil)
274 // return nil,errors.New("Could Not parse the config file")
277 body, err := ioutil.ReadAll(configFile)
279 defer configFile.Close()
281 xappconfig.Metadata = &metadata
282 xappconfig.Config = string(body)
284 appconfig = append(appconfig, &xappconfig)
286 respondWithJSON(w, http.StatusOK, appconfig)
288 //return appconfig,nil