go语言实现通过FTP库自动上传web日志

来源:互联网 时间:1970-01-01


因为平时管理的web服务器都是VM服务器,为节省硬盘空间,一般给虚拟机分配的硬盘空间都比较小,只有8G,因为,保存不了多少日志,所以每天都需要把每台WEB日志转移到一个硬盘比较大的服务器上,然后再使用NBU集中备份,本程序主要使用go语言实现实现将web日志通过FTP自动上传FTP服务器,使用了filepath.Walk遍历日志目录及第三方纯go库“github.com/jlaffaye/ftp”,而日志VM本地存储路径格式是 /var/log/weblog/www.domainName.com/month/20140616.access.log,

// uploadlog/*1.本程序主要是实现linux下上传web日志使用,2.使用方法是 uploadlog logfile_dir程序只上传当前时间点的日志文件,*/package mainimport ( "fmt" ftp "github.com/jlaffaye/ftp" "log" "net" "os" "path/filepath" "strconv" "strings" "time")func main() { fmt.Println("Hello World!") if len(os.Args) != 2 { log.Fatal("Usage:" + filepath.Base(os.Args[0]) + " log_dir ") os.Exit(1) } //logFileName是将要分析的日志 logFileName, _, _ := getLogFileName() serverIp := getLocalIpAddr() //serverName, _ := os.Hostname() time.Sleep(time.Duration(90) * time.Second) dir := os.Args[1] filepath.Walk(dir, func(path string, f os.FileInfo, err error) error { if f == nil { return err } if f.IsDir() { return nil } if f.Name() == logFileName { fmt.Println(path) //pathFields的作用是将日志path解析成一个数据,从而可以得到日志的域名,注意,如果是linux系统,要用“/” pathFields := strings.Split(path, "/") var domainName string if len(pathFields) > 3 { domainName = pathFields[len(pathFields)-3] } fmt.Println(time.Now()) ftpUploadFile("ftp-server-ip:21", "logftpuser", "ftp-password", path, domainName, serverIp+"_"+logFileName) fmt.Println(time.Now()) } return nil })}func getLogFileName() (string, string, string) { MonthTOstr := map[string]string{"January": "01", "February": "02", "March": "03", "April": "04", "May": "05", "June": "06", "July": "07", "August": "08", "September": "09", "October": "10", "November": "11", "December": "12"} timenow := time.Now() year, month, day := timenow.Date() //monthStr := month.String() hour, _, _ := timenow.Clock() yearStr := strings.TrimLeft(strconv.Itoa(year), "20") //去掉前面的四位数年份如"2014"年的“20” dayStr, hourStr := strconv.Itoa(day), strconv.Itoa(hour) if day < 10 { dayStr = "0" + dayStr } if hour < 10 { hourStr = "0" + hourStr } fileName := "ex" + yearStr + MonthTOstr[month.String()] + dayStr + hourStr + ".log" logDay := yearStr + MonthTOstr[month.String()] + dayStr logMonth := yearStr + MonthTOstr[month.String()] //monthSrt := strconv.Itoa(timenow.Month()) //fmt.Println(fileName, logDay) return fileName, logDay, logMonth //fmt.Println(fileName)}func getLocalIpAddr() string { //这里使用一个合法的IP就行了,端口随便,即使没有打开也行,也许因为使用UDP,如果用TCP的话,对端不打开就会有问题 conn, err := net.Dial("udp", "192.168.8.51:80") if err != nil { //fmt.Println(err.Error()) return "127.0.0.1" } defer conn.Close() //fmt.Println(conn.LocalAddr().String()) //conn. //fmt.Println(strings.Split(conn.LocalAddr().String(), ":")[0]) return strings.Split(conn.LocalAddr().String(), ":")[0]}func ftpUploadFile(ftpserver, ftpuser, pw, localFile, remoteSavePath, saveName string) { ftp, err := ftp.Connect(ftpserver) if err != nil { fmt.Println(err) } err = ftp.Login(ftpuser, pw) if err != nil { fmt.Println(err) } //注意是 pub/log,不能带“/”开头 ftp.ChangeDir("pub/log") dir, err := ftp.CurrentDir() fmt.Println(dir) ftp.MakeDir(remoteSavePath) ftp.ChangeDir(remoteSavePath) dir, _ = ftp.CurrentDir() fmt.Println(dir) file, err := os.Open(localFile) if err != nil { fmt.Println(err) } defer file.Close() err = ftp.Stor(saveName, file) if err != nil { fmt.Println(err) } ftp.Logout() ftp.Quit() fmt.Println("success upload file:", localFile)}

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