67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
package main
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import (
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"container/ring"
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"flag"
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"fmt"
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"net/http"
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syslog "gopkg.in/mcuadros/go-syslog.v2"
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"gopkg.in/mcuadros/go-syslog.v2/format"
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)
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var circbuf *ring.Ring
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func syslogdHandler(channel syslog.LogPartsChannel) {
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for logParts := range channel {
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fmt.Println(logParts)
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circbuf.Value = logParts
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circbuf = circbuf.Next()
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}
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}
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func httpHandler(w http.ResponseWriter, r *http.Request) {
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circbuf.Do(func(x interface{}) {
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if x == nil {
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return
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}
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logmsg := x.(format.LogParts)
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if logmsg["message"] == nil {
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return
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}
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c := logmsg["message"].(string)
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w.Write([]byte(c))
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w.Write([]byte("\n"))
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})
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}
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func main() {
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syslogSocketPath := flag.String("syslogd-socket", "", "The socket to listen to syslog addresses")
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// dumpSocketPath := flag.String("dump-socket", "/run/buffer.sock", "The socket that user will connect to in order to receive logs")
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bufsize := flag.Int("buffer-size", 1000, "Number of messages to keep")
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syslogAddr := flag.String("syslog-addr", "127.0.0.1:9514", "Address:port where to listen for syslog messages")
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queryAddr := flag.String("query-addr", "127.0.0.1:9080", "Address:port where to bind the query service")
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flag.Parse()
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channel := make(chan format.LogParts)
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handler := syslog.NewChannelHandler(channel)
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server := syslog.NewServer()
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server.SetFormat(syslog.RFC5424)
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server.SetHandler(handler)
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if *syslogSocketPath != "" {
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server.ListenUnixgram(*syslogSocketPath)
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fmt.Printf("Binding socket `%s` [syslog]\n", *syslogSocketPath)
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} else {
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fmt.Printf("Binding address `%s` [syslog]\n", *syslogAddr)
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server.ListenUDP(*syslogAddr)
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}
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circbuf = ring.New(*bufsize)
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server.Boot()
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go syslogdHandler(channel)
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http.HandleFunc("/", httpHandler)
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fmt.Printf("Binding address `%s` [http]\n", *queryAddr)
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http.ListenAndServe(*queryAddr, nil)
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server.Wait()
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}
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