142 lines
3.7 KiB
Go
142 lines
3.7 KiB
Go
package main
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import (
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"encoding/base64"
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"fmt"
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"github.com/hpcloud/tail"
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"github.com/jessevdk/go-flags"
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"strings"
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log "unknwon.dev/clog/v2"
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dt "github.com/JetBlink/dingtalk-notify-go-sdk"
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"os"
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"regexp"
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)
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var (
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AppName string
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Version string
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BuildTime string
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GitCommit string
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GoVersion string
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versionTpl = `%s
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Name: %s
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Version: %s
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BuildTime: %s
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GitCommit: %s
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GoVersion: %s
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`
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bannerBase64 = "DQogX18gIF9fICBfX19fXyAgXyAgXyAgX19fXyAgX19fXyAgX19fX18gIF9fX18gDQooICBcLyAgKSggIF8gICkoIFwoICkoXyAgXykoXyAgXykoICBfICApKCAgXyBcDQogKSAgICAoICApKF8pKCAgKSAgKCAgXykoXyAgICkoICAgKShfKSggICkgICAvDQooXy9cL1xfKShfX19fXykoXylcXykoX19fXykgKF9fKSAoX19fX18pKF8pXF8pDQo="
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opts struct {
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AppName string `short:"n" long:"monitor-app-name" env:"MONITOR_APP_NAME" description:"The name of the application being monitored, which will be added to the content before"`
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File string `short:"f" long:"monitor-file" env:"MONITOR_FILE" description:"The file to be monitored" required:"true"`
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KeyWord string `short:"k" long:"search-keyword" env:"SEARCH_KEYWORD" description:"Keyword to be search for" default:"ERRO"`
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KeyWordIgnoreCase bool `short:"c" long:"keyword-case-sensitive" env:"KEYWORD_IGNORE_CASE" description:"Whether Keyword ignore case"`
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Version bool `short:"v" long:"version" description:"Show version info"`
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Robot robot `group:"DingTalk Robot Options" namespace:"robot" env-namespace:"ROBOT" `
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}
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)
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type robot struct {
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Token string `short:"t" long:"token" env:"TOKEN" description:"DingTalk robot access token" required:"true"`
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Secret string `short:"s" long:"secret" env:"SECRET" description:"DingTalk robot secret"`
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AtMobiles []string `short:"m" long:"at-mobiles" env:"AT_MOBILES" env-delim:"," description:"The mobile of the person will be at"`
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IsAtAll bool `short:"a" long:"at-all" env:"AT_ALL" description:"Whether at everyone"`
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}
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func init() {
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initLog()
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}
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func main() {
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parseArg()
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tf, err := tail.TailFile(opts.File,
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tail.Config{
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ReOpen: true,
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Follow: true,
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Location: &tail.SeekInfo{Offset: 0, Whence: 2},
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})
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if err != nil {
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log.Fatal("Tail file %+v", err)
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}
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log.Info("monitor app <%s> file <%s>, filter by <%s>, ignore case <%v>...",
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opts.AppName,
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opts.File,
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opts.KeyWord,
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opts.KeyWordIgnoreCase)
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dingTalk := dt.NewRobot(opts.Robot.Token, opts.Robot.Secret)
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if opts.KeyWordIgnoreCase {
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opts.KeyWord = strings.ToLower(opts.KeyWord)
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}
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for line := range tf.Lines {
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text := line.Text
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if opts.KeyWordIgnoreCase {
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text = strings.ToLower(text)
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}
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if ok, _ := regexp.Match(opts.KeyWord, []byte(text)); ok {
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if err = dingTalk.SendTextMessage(
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// opts.AppName,
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fmt.Sprintf("%s\n%s", opts.AppName, line.Text),
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opts.Robot.AtMobiles,
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opts.Robot.IsAtAll,
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); err != nil {
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log.Error("%+v", err)
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continue
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}
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log.Info("send message <%s> success", line.Text)
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}
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}
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}
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func initLog() {
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err := log.NewConsole()
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if err != nil {
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panic("unable to create new logger: " + err.Error())
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}
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}
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func parseArg() {
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parser := flags.NewParser(&opts, flags.HelpFlag|flags.PassDoubleDash)
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parser.NamespaceDelimiter = "-"
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if AppName != "" {
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parser.Name = AppName
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}
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if _, err := parser.Parse(); err != nil {
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if opts.Version {
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// -v
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printVersion()
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os.Exit(0)
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}
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if flagsErr, ok := err.(*flags.Error); ok && flagsErr.Type == flags.ErrHelp {
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// -h
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_, _ = fmt.Fprintln(os.Stdout, err)
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os.Exit(0)
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}
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// err
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_, _ = fmt.Fprintln(os.Stderr, err)
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parser.WriteHelp(os.Stderr)
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os.Exit(1)
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}
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}
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// printVersion Print out version information
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func printVersion() {
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banner, _ := base64.StdEncoding.DecodeString(bannerBase64)
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fmt.Printf(versionTpl, banner, AppName, Version, BuildTime, GitCommit, GoVersion)
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}
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