func (r *Service) handleReplay(w http.ResponseWriter, req *http.Request) {
name := req.URL.Query().Get("name")
id := req.URL.Query().Get("id")
clockTyp := req.URL.Query().Get("clock")
recTimeStr := req.URL.Query().Get("rec-time")
var recTime bool
if recTimeStr != "" {
var err error
recTime, err = strconv.ParseBool(recTimeStr)
if err != nil {
httpd.HttpError(w, err.Error(), true, http.StatusBadRequest)
return
}
}
t, err := r.TaskStore.Load(name)
if err != nil {
httpd.HttpError(w, "task load: "+err.Error(), true, http.StatusNotFound)
return
}
var clk clock.Clock
switch clockTyp {
case "", "wall":
clk = clock.Wall()
case "fast":
clk = clock.Fast()
}
// Create new isolated task master
tm := r.TaskMaster.New()
tm.Open()
defer tm.Close()
et, err := tm.StartTask(t)
if err != nil {
httpd.HttpError(w, "task start: "+err.Error(), true, http.StatusBadRequest)
return
}
replay := kapacitor.NewReplay(clk)
var replayC <-chan error
switch t.Type {
case kapacitor.StreamTask:
f, err := r.FindStreamRecording(id)
if err != nil {
httpd.HttpError(w, "replay find: "+err.Error(), true, http.StatusNotFound)
return
}
stream, err := tm.Stream(id)
if err != nil {
httpd.HttpError(w, "stream start: "+err.Error(), true, http.StatusInternalServerError)
return
}
replayC = replay.ReplayStream(f, stream, recTime, precision)
case kapacitor.BatchTask:
fs, err := r.FindBatchRecording(id)
if err != nil {
httpd.HttpError(w, "replay find: "+err.Error(), true, http.StatusNotFound)
return
}
batches := tm.BatchCollectors(name)
replayC = replay.ReplayBatch(fs, batches, recTime)
}
// Check for error on replay
err = <-replayC
if err != nil {
httpd.HttpError(w, "replay: "+err.Error(), true, http.StatusInternalServerError)
return
}
// Drain tm so the task can finish
tm.Drain()
// Check for error on task
err = et.Err()
if err != nil {
httpd.HttpError(w, "task run: "+err.Error(), true, http.StatusInternalServerError)
return
}
// Call close explicity to check for error
err = tm.Close()
if err != nil {
httpd.HttpError(w, "closing: "+err.Error(), true, http.StatusInternalServerError)
return
}
}
func (s *Service) handleCreateReplay(w http.ResponseWriter, req *http.Request) {
var opt kclient.CreateReplayOptions
// Default clock to the Fast clock
opt.Clock = kclient.Fast
dec := json.NewDecoder(req.Body)
err := dec.Decode(&opt)
if err != nil {
httpd.HttpError(w, err.Error(), true, http.StatusBadRequest)
return
}
if opt.ID == "" {
opt.ID = uuid.NewV4().String()
}
if !validID.MatchString(opt.ID) {
httpd.HttpError(w, fmt.Sprintf("replay ID must contain only letters, numbers, '-', '.' and '_'. %q", opt.ID), true, http.StatusBadRequest)
return
}
t, err := s.TaskStore.Load(opt.Task)
if err != nil {
httpd.HttpError(w, "task load: "+err.Error(), true, http.StatusNotFound)
return
}
recording, err := s.recordings.Get(opt.Recording)
if err != nil {
httpd.HttpError(w, "recording not found: "+err.Error(), true, http.StatusNotFound)
return
}
var clk clock.Clock
var clockType Clock
switch opt.Clock {
case kclient.Real:
clk = clock.Wall()
clockType = Real
case kclient.Fast:
clk = clock.Fast()
clockType = Fast
default:
httpd.HttpError(w, fmt.Sprintf("invalid clock type %v", opt.Clock), true, http.StatusBadRequest)
return
}
// Successfully started replay
replay := Replay{
ID: opt.ID,
RecordingID: opt.Recording,
TaskID: opt.Task,
RecordingTime: opt.RecordingTime,
Clock: clockType,
Date: time.Now(),
Status: Running,
}
s.replays.Create(replay)
go func(replay Replay) {
err := s.doReplayFromRecording(opt.ID, t, recording, clk, opt.RecordingTime)
s.updateReplayResult(replay, err)
}(replay)
w.WriteHeader(http.StatusCreated)
w.Write(httpd.MarshalJSON(convertReplay(replay), true))
}
func (s *Service) handleReplayBatch(w http.ResponseWriter, req *http.Request) {
var opt kclient.ReplayBatchOptions
// Default clock to the Fast clock
opt.Clock = kclient.Fast
dec := json.NewDecoder(req.Body)
err := dec.Decode(&opt)
if err != nil {
httpd.HttpError(w, err.Error(), true, http.StatusBadRequest)
return
}
if opt.ID == "" {
opt.ID = uuid.NewV4().String()
}
if !validID.MatchString(opt.ID) {
httpd.HttpError(w, fmt.Sprintf("replay ID must match %v %q", validID, opt.ID), true, http.StatusBadRequest)
return
}
t, err := s.TaskStore.Load(opt.Task)
if err != nil {
httpd.HttpError(w, "task load: "+err.Error(), true, http.StatusNotFound)
return
}
var clk clock.Clock
var clockType Clock
switch opt.Clock {
case kclient.Real:
clk = clock.Wall()
clockType = Real
case kclient.Fast:
clk = clock.Fast()
clockType = Fast
default:
httpd.HttpError(w, fmt.Sprintf("invalid clock type %v", opt.Clock), true, http.StatusBadRequest)
return
}
if t.Type == kapacitor.StreamTask {
httpd.HttpError(w, fmt.Sprintf("cannot replay batch against stream task: %s", opt.Task), true, http.StatusBadRequest)
return
}
// Successfully started replay
replay := Replay{
ID: opt.ID,
TaskID: opt.Task,
RecordingTime: opt.RecordingTime,
Clock: clockType,
Date: time.Now(),
Status: Running,
}
err = s.replays.Create(replay)
if err != nil {
httpd.HttpError(w, err.Error(), true, http.StatusInternalServerError)
return
}
go func(replay Replay) {
err := s.doLiveBatchReplay(opt.ID, t, clk, opt.RecordingTime, opt.Start, opt.Stop)
s.updateReplayResult(replay, err)
}(replay)
w.WriteHeader(http.StatusCreated)
w.Write(httpd.MarshalJSON(convertReplay(replay), true))
}
func (r *Service) handleReplayQuery(w http.ResponseWriter, req *http.Request) {
var opt kclient.ReplayQueryOptions
dec := json.NewDecoder(req.Body)
err := dec.Decode(&opt)
if err != nil {
httpd.HttpError(w, err.Error(), true, http.StatusBadRequest)
return
}
if opt.ID == "" {
opt.ID = uuid.NewV4().String()
}
if !validID.MatchString(opt.ID) {
httpd.HttpError(w, fmt.Sprintf("recording ID must match %v %q", validID, opt.ID), true, http.StatusBadRequest)
return
}
if opt.Query == "" {
httpd.HttpError(w, "must provide query", true, http.StatusBadRequest)
return
}
t, err := r.TaskStore.Load(opt.Task)
if err != nil {
httpd.HttpError(w, "task load: "+err.Error(), true, http.StatusNotFound)
return
}
var clk clock.Clock
var clockType Clock
switch opt.Clock {
case kclient.Real:
clk = clock.Wall()
clockType = Real
case kclient.Fast:
clk = clock.Fast()
clockType = Fast
default:
httpd.HttpError(w, fmt.Sprintf("invalid clock type %v", opt.Clock), true, http.StatusBadRequest)
return
}
replay := Replay{
ID: opt.ID,
TaskID: opt.Task,
RecordingTime: opt.RecordingTime,
Clock: clockType,
Date: time.Now(),
Status: Running,
}
err = r.replays.Create(replay)
if err != nil {
httpd.HttpError(w, err.Error(), true, http.StatusInternalServerError)
return
}
go func(replay Replay) {
err := r.doLiveQueryReplay(replay.ID, t, clk, opt.RecordingTime, opt.Query, opt.Cluster)
r.updateReplayResult(replay, err)
}(replay)
w.WriteHeader(http.StatusCreated)
w.Write(httpd.MarshalJSON(convertReplay(replay), true))
}