Move Linux client & common packages into a public repo.

logtail/example/logtail/logtail.go

@@ -0,0 +1,46 @@
+// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// The logtail program logs stdin.
+package main
+
+import (
+	"bufio"
+	"flag"
+	"io"
+	"log"
+	"os"
+
+	"tailscale.com/logtail"
+)
+
+func main() {
+	collection := flag.String("c", "", "logtail collection name")
+	privateID := flag.String("k", "", "machine private identifier, 32-bytes in hex")
+	flag.Parse()
+	if len(flag.Args()) != 0 {
+		flag.Usage()
+		os.Exit(1)
+	}
+
+	log.SetFlags(0)
+
+	var id logtail.PrivateID
+	if err := id.UnmarshalText([]byte(*privateID)); err != nil {
+		log.Fatalf("logtail: bad -privateid: %v", err)
+	}
+
+	logger := logtail.Log(logtail.Config{
+		Collection: *collection,
+		PrivateID:  id,
+	})
+	log.SetOutput(io.MultiWriter(logger, os.Stdout))
+	defer logger.Flush()
+	defer log.Printf("logtail exited")
+
+	scanner := bufio.NewScanner(os.Stdin)
+	for scanner.Scan() {
+		log.Println(scanner.Text())
+	}
+}