+/*
+ * 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 (
- "encoding/json"
- "io/ioutil"
"net/http"
+ "gerrit.automotivelinux.org/gerrit/src/xds/xds-agent.git/lib/xaapiv1"
+ common "gerrit.automotivelinux.org/gerrit/src/xds/xds-common.git"
+ "gerrit.automotivelinux.org/gerrit/src/xds/xds-server.git/lib/xsapiv1"
+ "github.com/franciscocpg/reflectme"
"github.com/gin-gonic/gin"
- common "github.com/iotbzh/xds-common/golib"
+ uuid "github.com/satori/go.uuid"
)
-// Only define useful fields
-type ExecArgs struct {
- ID string `json:"id" binding:"required"`
-}
-
// ExecCmd executes remotely a command
func (s *APIService) execCmd(c *gin.Context) {
- s._execRequest("/exec", c)
-}
-// execSignalCmd executes remotely a command
-func (s *APIService) execSignalCmd(c *gin.Context) {
- s._execRequest("/signal", c)
-}
-
-func (s *APIService) _execRequest(url string, c *gin.Context) {
- data, err := c.GetRawData()
- if err != nil {
- common.APIError(c, err.Error())
+ args := xaapiv1.ExecArgs{}
+ if err := c.BindJSON(&args); err != nil {
+ s.Log.Warningf("/exec invalid args, err=%v", err)
+ common.APIError(c, "Invalid arguments")
+ return
}
// First get Project ID to retrieve Server ID and send command to right server
- id := c.Param("id")
- if id == "" {
- args := ExecArgs{}
- // XXX - we cannot use c.BindJSON, so directly unmarshall it
- // (see https://github.com/gin-gonic/gin/issues/1078)
- if err := json.Unmarshal(data, &args); err != nil {
- common.APIError(c, "Invalid arguments")
- return
- }
- id = args.ID
+ iid := c.Param("id")
+ if iid == "" {
+ iid = args.ID
+ }
+ id, err := s.projects.ResolveID(iid)
+ if err != nil {
+ common.APIError(c, err.Error())
+ return
}
prj := s.projects.Get(id)
if prj == nil {
return
}
- // Forward XDSServer WS events to client WS
- // TODO removed static event name list and get it from XDSServer
- for _, evName := range []string{
- "exec:input",
- "exec:output",
- "exec:exit",
- "exec:inferior-input",
- "exec:inferior-output",
- } {
+ // Forward input events from client to XDSServer through WS
+ // TODO use XDSServer events names definition
+ evtInList := []string{
+ xaapiv1.ExecInEvent,
+ xaapiv1.ExecInferiorInEvent,
+ }
+ for _, evName := range evtInList {
evN := evName
- svr.EventOn(evN, func(evData interface{}) {
- (*sock).Emit(evN, evData)
+ err := (*sock).On(evN, func(stdin string) {
+ s.LogSillyf("EXEC EVENT IN (%s) <<%v>>", evN, stdin)
+ svr.EventEmit(evN, stdin)
})
+ if err != nil {
+ msgErr := "Error while registering WS for " + evN + " event"
+ s.Log.Errorf(msgErr, ", err: %v", err)
+ common.APIError(c, msgErr)
+ return
+ }
}
- // Forward back command to right server
- response, err := svr.HTTPPostBody(url, string(data))
+ // Forward output events from XDSServer to client through WS
+ // TODO use XDSServer events names definition
+ var fwdFuncID []uuid.UUID
+ evtOutList := []string{
+ xaapiv1.ExecOutEvent,
+ xaapiv1.ExecInferiorOutEvent,
+ }
+ for _, evName := range evtOutList {
+ evN := evName
+ fwdFunc := func(pData interface{}, evData interface{}) error {
+ sid := pData.(string)
+ // IO socket can be nil when disconnected
+ so := s.sessions.IOSocketGet(sid)
+ if so == nil {
+ s.Log.Infof("%s not emitted: WS closed (sid:%s)", evN, sid)
+ return nil
+ }
+
+ // Add sessionID to event Data
+ reflectme.SetField(evData, "sessionID", sid)
+
+ s.LogSillyf("EXEC EVENT OUT (%s) <<%v>>", evN, evData)
+
+ // Forward event to Client/Dashboard
+ (*so).Emit(evN, evData)
+ return nil
+ }
+ id, err := svr.EventOn(evN, sess.ID, fwdFunc)
+ if err != nil {
+ common.APIError(c, err.Error())
+ return
+ }
+ fwdFuncID = append(fwdFuncID, id)
+ }
+
+ // Handle Exit event separately to cleanup registered listener
+ var exitFuncID uuid.UUID
+ exitFunc := func(privD interface{}, evData interface{}) error {
+ evN := xaapiv1.ExecExitEvent
+
+ pData := privD.(map[string]string)
+ sid := pData["sessID"]
+ prjID := pData["prjID"]
+
+ // Add sessionID to event Data
+ reflectme.SetField(evData, "sessionID", sid)
+
+ // IO socket can be nil when disconnected
+ so := s.sessions.IOSocketGet(sid)
+ if so != nil {
+ (*so).Emit(evN, evData)
+ } else {
+ s.Log.Infof("%s not emitted: WS closed (sid:%s)", evN, sid)
+ }
+
+ prj := s.projects.Get(prjID)
+ if prj != nil {
+ evD := evData.(map[string]interface{})
+ cmdIDData, cmdIDExist := evD["cmdID"]
+ svr := (*prj).GetServer()
+ if svr != nil && cmdIDExist {
+ svr.CommandDelete(cmdIDData.(string))
+ } else {
+ s.Log.Infof("%s: cannot retrieve server for sid=%s, prjID=%s, evD=%v", evN, sid, prjID, evD)
+ }
+ } else {
+ s.Log.Infof("%s: cannot retrieve project for sid=%s, prjID=%s", evN, sid, prjID)
+ }
+
+ // cleanup listener
+ for i, evName := range evtOutList {
+ svr.EventOff(evName, fwdFuncID[i])
+ }
+ svr.EventOff(evN, exitFuncID)
+
+ return nil
+ }
+
+ prjCfg := (*prj).GetProject()
+ privData := map[string]string{"sessID": sess.ID, "prjID": prjCfg.ID}
+ exitFuncID, err = svr.EventOn(xaapiv1.ExecExitEvent, privData, exitFunc)
if err != nil {
common.APIError(c, err.Error())
return
}
- // Decode response
- body, err := ioutil.ReadAll(response.Body)
- if err != nil {
- common.APIError(c, "Cannot read response body")
+ // Forward back command to right server
+ res := xsapiv1.ExecResult{}
+ xsArgs := &xsapiv1.ExecArgs{
+ ID: args.ID,
+ SdkID: args.SdkID,
+ CmdID: args.CmdID,
+ Cmd: args.Cmd,
+ Args: args.Args,
+ Env: args.Env,
+ RPath: args.RPath,
+ TTY: args.TTY,
+ TTYGdbserverFix: args.TTYGdbserverFix,
+ LdLibPathNoReset: args.LdLibPathNoReset,
+ ExitImmediate: args.ExitImmediate,
+ CmdTimeout: args.CmdTimeout,
+ }
+ if err := svr.CommandExec(xsArgs, &res); err != nil {
+ common.APIError(c, err.Error())
+ return
+ }
+
+ // Add command to running commands list
+ if err := svr.CommandAdd(res.CmdID, xsArgs); err != nil {
+ common.APIError(c, err.Error())
+ return
+ }
+
+ c.JSON(http.StatusOK, xaapiv1.ExecResult{Status: res.Status, CmdID: res.CmdID})
+}
+
+// execSignalCmd executes remotely the signal command
+func (s *APIService) execSignalCmd(c *gin.Context) {
+
+ args := xaapiv1.ExecSignalArgs{}
+ if err := c.BindJSON(&args); err != nil {
+ s.Log.Warningf("/signal invalid args, err=%v", err)
+ common.APIError(c, "Invalid arguments")
+ return
+ }
+
+ // Retrieve on which xds-server the command is running
+ var svr *XdsServer
+ var dataCmd interface{}
+ for _, svr = range s.xdsServers {
+ dataCmd = svr.CommandGet(args.CmdID)
+ if dataCmd != nil {
+ break
+ }
+ }
+ if dataCmd == nil {
+ common.APIError(c, "Cannot retrieve XDS Server for this cmdID")
+ return
+ }
+
+ // Forward back command to right server
+ res := xsapiv1.ExecSigResult{}
+ xsArgs := &xsapiv1.ExecSignalArgs{
+ CmdID: args.CmdID,
+ Signal: args.Signal,
+ }
+ if err := svr.CommandSignal(xsArgs, &res); err != nil {
+ common.APIError(c, err.Error())
return
}
- c.JSON(http.StatusOK, string(body))
+ c.JSON(http.StatusOK, xaapiv1.ExecSignalResult{Status: res.Status, CmdID: res.CmdID})
}
Code Review / src / xds / xds-agent.git / blobdiff