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main.go
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main.go
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package main
import (
"bufio"
"compress/gzip"
"flag"
"github.com/prydin/zipkin-replay/reader"
"github.com/prydin/zipkin-replay/realtime"
"github.com/prydin/zipkin-replay/sender"
"github.com/prydin/zipkin-replay/transform"
"log"
"os"
)
func main() {
targetPtr := flag.String("target", "", "The target URL")
filePtr := flag.String("file", "", "Input file captured with usurp")
nsPtr := flag.String("namespace", "default", "Namespace substitution")
offsetPtr := flag.Duration("offset", 0, "Time offset in minutes")
rtPtr := flag.Bool("realtime", false, "Run realtime with delays according to original timing")
fePtr := flag.Bool("forever", false, "Run realtime with delays according to original timing")
gzPtr := flag.Bool("gz", false, "Input is gzipped")
flag.Parse()
if *filePtr == "" || *targetPtr == "" {
log.Fatal("Both -file and -target must be specified")
}
f, err := os.Open(*filePtr)
if err != nil {
log.Fatalf("Could not open input file: %s\n", err)
}
defer f.Close()
var rdr *bufio.Reader
if *gzPtr {
gzr, err := gzip.NewReader(f)
if err != nil {
log.Fatalf("Error initializing gzip: %s\n", err)
}
rdr = bufio.NewReader(gzr)
} else {
bufio.NewReader(f)
}
if *rtPtr {
rt, err := realtime.NewRealtime(rdr)
if err != nil {
log.Fatal(err)
}
if *fePtr {
rt.RunForever(*targetPtr, *nsPtr)
} else {
rt.Run(*targetPtr, *nsPtr)
}
rt.Run(*targetPtr, *nsPtr)
} else {
s := sender.NewHTTPSender(*targetPtr)
dr := reader.NewDumpReader(rdr)
tr, err := transform.NewTransformer()
if err != nil {
log.Fatalf("Could not open input file: %s\n", err)
}
for {
r, err := dr.Next()
if err != nil {
log.Fatalf("Error parsing input: %s\n", err)
}
if r == nil {
break
}
tr.Transform(&r.Span, *nsPtr, *offsetPtr)
if err := s.Send(r); err != nil {
log.Fatalf("Error posting traces: %s\n", err)
}
}
}
}