refact: 对原有文件进行重构

1. 增加本地filebeat的压缩包
2. 清理给alpine使用的glibc
3. 改用kingpin重写命令行参数解析

.gitignore

@@ -24,3 +24,4 @@ _testmain.go
 *.prof
 bin/
 docker-images/pilot
+log-pilot

assets/filebeat/VERSION

@@ -0,0 +1 @@
+version = filebeat-5.6.9-linux-x86_66

log-pilot.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	log "github.com/Sirupsen/logrus"
+	"github.com/diablowu/log-pilot/pilot"
+	"io/ioutil"
+	"os"
+	"github.com/alecthomas/kingpin"
+)
+
+const DEFUALT_VERSION = "0.1"
+
+func main() {
+
+	app := kingpin.New("log-pilot", "collect loggger file from docker host")
+
+	app.Version(DEFUALT_VERSION)
+
+	// 模板路径
+	template := app.Flag("template", "Template filepath for fluentd or filebeat.").Short('t').Required().ExistingFile()
+
+	// 主机文件系统挂在到容器内的路径，默认为 /host
+	baseDir := app.Flag("base", "Directory which mount host root.").Default("/host").Short('b').ExistingDir()
+
+	// 日志级别
+	level := app.Flag("log", "Log level").Default("info").Short('v').Enum("panic", "fatal", "error", "warn", "info", "debug")
+
+	dry := app.Flag("dryrun", "Dry run.").Short('d').Default("false").Bool()
+
+
+	kingpin.MustParse(app.Parse(os.Args[1:]))
+
+	log.SetOutput(os.Stdout)
+
+	// 不会error
+	logLevel, _ := log.ParseLevel(*level)
+	log.SetLevel(logLevel)
+
+	if !*dry {
+		b, err := ioutil.ReadFile(*template)
+		if err != nil {
+			log.Panic(err)
+		}
+
+		log.Fatal(pilot.Run(string(b), *baseDir))
+	}
+
+}

pilot/pilot_test.go

@@ -2,7 +2,7 @@ package pilot
 
 import (
 	"github.com/docker/docker/api/types"
-	log "github.com/sirupsen/logrus"
+	log "github.com/Sirupsen/logrus"
 	check "gopkg.in/check.v1"
 	"os"
 	"testing"