Added Supervision/Monitoring support

[src/xds/xds-agent.git] / lib / agent / apiv1-supervisor.go

diff --git a/lib/agent/apiv1-supervisor.go b/lib/agent/apiv1-supervisor.go
new file mode 100644 (file)
index 0000000..a34a913
--- /dev/null
+++ b/lib/agent/apiv1-supervisor.go
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2017-2018 "IoT.bzh"
+ * Author Sebastien Douheret <sebastien@iot.bzh>
+ *
+ * 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 agent
+
+import (
+       "net/http"
+
+       common "gerrit.automotivelinux.org/gerrit/src/xds/xds-common.git/golib"
+       "github.com/gin-gonic/gin"
+)
+
+// getSupervisorTopo : return current AGL daemons topology using supervisor
+func (s *APIService) getSupervisorTopo(c *gin.Context) {
+
+       xdspvr, err := s._initXdsSupervisor()
+       if err != nil {
+               common.APIError(c, err.Error())
+               return
+       }
+
+       var res XdsSuperVReply
+       if err = xdspvr.GetTopo(&res); err != nil {
+               common.APIError(c, err.Error())
+               return
+       }
+
+       if res.Request.Status != "success" {
+               common.APIError(c, res.Request.Info)
+               return
+       }
+
+       c.JSON(http.StatusOK, res.Response)
+}
+
+// startSupervisor : resquest to supervisor to start tracing
+func (s *APIService) startSupervisor(c *gin.Context) {
+
+       xdspvr, err := s._initXdsSupervisor()
+       if err != nil {
+               common.APIError(c, err.Error())
+               return
+       }
+
+       var cfg XdsSuperVTraceConfig
+       if c.BindJSON(&cfg) != nil {
+               common.APIError(c, "Invalid config argument")
+               return
+       }
+       s.Log.Debugf("Start Supervisor cfgArg %v\n", cfg)
+
+       var res XdsSuperVReply
+       if err = xdspvr.StartTrace(cfg, &res); err != nil {
+               common.APIError(c, err.Error())
+               return
+       }
+
+       if res.Request.Status != "success" {
+               common.APIError(c, res.Request.Info)
+               return
+       }
+
+       c.JSON(http.StatusOK, res.Response)
+}
+
+// stopSupervisor : resquest to supervisor to stop tracing
+func (s *APIService) stopSupervisor(c *gin.Context) {
+
+       xdspvr, err := s._initXdsSupervisor()
+       if err != nil {
+               common.APIError(c, err.Error())
+               return
+       }
+
+       var res XdsSuperVReply
+       if err = xdspvr.StopTrace(&res); err != nil {
+               common.APIError(c, err.Error())
+               return
+       }
+
+       if res.Request.Status != "success" {
+               common.APIError(c, res.Request.Info)
+               return
+       }
+
+       c.JSON(http.StatusOK, res.Response)
+}
+
+// _initXdsSupervisor .
+func (s *APIService) _initXdsSupervisor() (*XdsSupervisor, error) {
+
+       if s.XdsSupervisor == nil {
+               xs := NewXdsSupervisor(s.Context)
+               if err := xs.Connect(); err != nil {
+                       return nil, err
+               }
+               s.XdsSupervisor = xs
+       }
+       return s.XdsSupervisor, nil
+}