add basic logging

This commit is contained in:
Nils 2021-12-23 01:35:47 +01:00
parent 99ff702d5d
commit 9af6ed7b41
Signed by: byreqz
GPG Key ID: 396A62D7D436749E
3 changed files with 50 additions and 4 deletions

7
go.mod Normal file
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@ -0,0 +1,7 @@
module main
go 1.17
require github.com/sirupsen/logrus v1.8.1
require golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e // indirect

12
go.sum Normal file
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@ -0,0 +1,12 @@
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 h1:YyJpGZS1sBuBCzLAR1VEpK193GlqGZbnPFnPV/5Rsb4=
golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e h1:fLOSk5Q00efkSvAm+4xcoXD+RRmLmmulPn5I3Y9F2EM=
golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

35
main.go
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@ -1,17 +1,44 @@
package main
import (
"fmt"
"os"
"os/exec"
"log"
"strings"
"net/http"
log "github.com/sirupsen/logrus"
)
func runner(command string, args... string) string{
var logstdout = log.New()
var logfile = log.New()
func init() {
logstdout.SetOutput(os.Stdout)
logstdout.SetLevel(log.WarnLevel)
logpath, err := os.OpenFile("probehost2.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0660)
if err != nil {
logstdout.Fatal("Failed to initialize the logfile: ", err.Error())
}
logfile.SetLevel(log.InfoLevel)
logfile.SetOutput(logpath)
logfile.Info("probehost2 initialized")
}
func runner(remoteip string, command string, args... string) string{
cmd, err := exec.Command(command, args...).Output()
if err != nil {
if ! strings.Contains(err.Error(), "1") { // dont exit if error code is 1
log.Fatal(command, args, "caused an error: ", err)
logstdout.WithFields(log.Fields{
"remote_ip": remoteip,
"command": fmt.Sprint(command, args),
"error": err.Error(),
}).Warn("the following request failed:")
logfile.WithFields(log.Fields{
"remote_ip": remoteip,
"command": fmt.Sprint(command, args),
"error": err.Error(),
}).Warn("the following request failed:")
}
}
return string(cmd)
@ -24,7 +51,7 @@ func showhelp(w http.ResponseWriter, req *http.Request) {
func ping(w http.ResponseWriter, req *http.Request) {
geturl := strings.Split(req.URL.String(), "/")
target := geturl[2]
pingres := runner("ping", "-c5", target)
pingres := runner(req.RemoteAddr, "ping", "-c5", target)
fmt.Fprintln(w, pingres)
}