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Merge pull request #1161 from grafana/notifier-stuff
notifier: deprecate NSQ ( rip :'( ) + add mt-kafka-persist-sniff tool
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
|
|
||
| "github.com/grafana/metrictank/mdata" | ||
| "github.com/raintank/schema" | ||
| log "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| type PrintNotifierHandler struct{} | ||
|
|
||
| func NewPrintNotifierHandler() PrintNotifierHandler { | ||
| return PrintNotifierHandler{} | ||
| } | ||
|
|
||
| func (dn PrintNotifierHandler) PartitionOf(key schema.MKey) (int32, bool) { | ||
| return 0, false | ||
| } | ||
|
|
||
| func (dn PrintNotifierHandler) Handle(data []byte) { | ||
| version := uint8(data[0]) | ||
| if version == uint8(mdata.PersistMessageBatchV1) { | ||
| batch := mdata.PersistMessageBatch{} | ||
| err := json.Unmarshal(data[1:], &batch) | ||
| if err != nil { | ||
| log.Errorf("failed to unmarsh batch message: %s -- skipping", err) | ||
| return | ||
| } | ||
| for _, c := range batch.SavedChunks { | ||
| fmt.Printf("%s %d %s\n", batch.Instance, c.T0, c.Key) | ||
| } | ||
| } else { | ||
| log.Errorf("unknown message version %d", version) | ||
| } | ||
| return | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "flag" | ||
| "fmt" | ||
| "math/rand" | ||
| "os" | ||
| "os/signal" | ||
| "strconv" | ||
| "syscall" | ||
|
|
||
| "github.com/grafana/metrictank/logger" | ||
| "github.com/grafana/metrictank/mdata/notifierKafka" | ||
| "github.com/grafana/metrictank/stats" | ||
| log "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| func main() { | ||
| flag.Usage = func() { | ||
| fmt.Fprintln(os.Stderr, "mt-kafka-persist-sniff") | ||
| fmt.Fprintln(os.Stderr, "Print what's flowing through kafka metric persist topic") | ||
| fmt.Fprintf(os.Stderr, "\nFlags:\n\n") | ||
| flag.PrintDefaults() | ||
| notifierKafka.FlagSet.PrintDefaults() | ||
| } | ||
| formatter := &logger.TextFormatter{} | ||
| formatter.TimestampFormat = "2006-01-02 15:04:05.000" | ||
| log.SetFormatter(formatter) | ||
| log.SetLevel(log.InfoLevel) | ||
| instance := "mt-kafka-persist-sniff" + strconv.Itoa(rand.Int()) | ||
|
|
||
| notifierKafka.FlagSet.Usage = flag.Usage | ||
| notifierKafka.FlagSet.Parse(os.Args[1:]) | ||
| // config may have had it disabled | ||
| notifierKafka.Enabled = true | ||
|
|
||
| stats.NewDevnull() // make sure metrics don't pile up without getting discarded | ||
|
|
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| notifierKafka.ConfigProcess(instance) | ||
|
|
||
| done := make(chan struct{}) | ||
| go func() { | ||
| notifierKafka.New(instance, NewPrintNotifierHandler()) | ||
| close(done) | ||
| }() | ||
| sigChan := make(chan os.Signal, 1) | ||
| signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM) | ||
|
|
||
| select { | ||
| case sig := <-sigChan: | ||
| log.Infof("Received signal %q. Shutting down", sig) | ||
| case <-done: | ||
| } | ||
| // notifierKafka.Stop() | ||
| } |
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