func configureLogging() {
if testing.Verbose() {
wlog.SetLevel(wlog.DEBUG)
} else {
wlog.SetLevel(wlog.OFF)
}
}
// SetupLogging configures the logging output.
// debug will set the log level to DEBUG
// quiet will set the log level to ERROR
// logfile will direct the logging output to a file. Empty string is
// interpreted as stderr. If there is an error opening the file the
// logger will fallback to stderr.
func SetupLogging(debug, quiet bool, logfile string) {
log.SetFlags(0)
if debug {
wlog.SetLevel(wlog.DEBUG)
}
if quiet {
wlog.SetLevel(wlog.ERROR)
}
var oFile *os.File
if logfile != "" {
if _, err := os.Stat(logfile); os.IsNotExist(err) {
if oFile, err = os.Create(logfile); err != nil {
log.Printf("E! Unable to create %s (%s), using stderr", logfile, err)
oFile = os.Stderr
}
} else {
if oFile, err = os.OpenFile(logfile, os.O_APPEND|os.O_WRONLY, os.ModeAppend); err != nil {
log.Printf("E! Unable to append to %s (%s), using stderr", logfile, err)
oFile = os.Stderr
}
}
} else {
oFile = os.Stderr
}
log.SetOutput(newTelegrafWriter(oFile))
}
// Helper test function for batcher
func testBatcher(t *testing.T, name, script string) (clock.Setter, *kapacitor.ExecutingTask, <-chan error, *kapacitor.TaskMaster) {
if testing.Verbose() {
wlog.SetLevel(wlog.DEBUG)
} else {
wlog.SetLevel(wlog.OFF)
}
// Create a new execution env
tm := kapacitor.NewTaskMaster("testBatcher", logService)
tm.HTTPDService = httpService
tm.TaskStore = taskStore{}
tm.DeadmanService = deadman{}
tm.Open()
// Create task
task, err := tm.NewTask(name, script, kapacitor.BatchTask, dbrps, 0, nil)
if err != nil {
t.Fatal(err)
}
// Load test data
var allData []io.ReadCloser
var data io.ReadCloser
for i := 0; err == nil; {
f := fmt.Sprintf("%s.%d.brpl", name, i)
data, err = os.Open(path.Join("data", f))
if err == nil {
allData = append(allData, data)
i++
}
}
if len(allData) == 0 {
t.Fatal("could not find any data files for", name)
}
//Start the task
et, err := tm.StartTask(task)
if err != nil {
t.Fatal(err)
}
// Replay test data to executor
batches := tm.BatchCollectors(name)
// Use 1971 so that we don't get true negatives on Epoch 0 collisions
c := clock.New(time.Date(1971, 1, 1, 0, 0, 0, 0, time.UTC))
replayErr := kapacitor.ReplayBatchFromIO(c, allData, batches, false)
t.Log(string(et.Task.Dot()))
return c, et, replayErr, tm
}