Replace logrus with slog

check.go

@@ -5,12 +5,12 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"log/slog"
 	"os"
 	"strings"
 	"time"
 
 	"github.com/masterzen/winrm"
-	log "github.com/sirupsen/logrus"
 	"github.com/spf13/pflag"
 	"golang.org/x/crypto/ssh"
 )
@@ -126,7 +126,7 @@ func (c *Config) Validate() (err error) {
 		if c.AuthType == "" {
 			c.AuthType = AuthTLS
 		} else {
-			log.Warnf("auth type is %s, but TLS certificates are supplied", c.AuthType)
+			slog.Warn(fmt.Sprintf("auth type is %s, but TLS certificates are supplied", c.AuthType))
 		}
 	}
 
@@ -175,10 +175,11 @@ func (c *Config) BuildCommand() (cmd string) {
 		cmd = fmt.Sprintf(wrap, c.Command)
 	}
 
-	log.WithField("cmd", cmd).Debug("prepared pwsh for execution")
+	slog.Debug("prepared pwsh for execution", "cmd", cmd)
 
 	cmd = winrm.Powershell(cmd)
-	log.WithField("cmd", cmd).Debug("prepared winrm command for execution")
+
+	slog.Debug("prepared winrm command for execution", "cmd", cmd)
 
 	return
 }
@@ -188,8 +189,6 @@ func (c *Config) Run(timeout time.Duration) (rc int, output string, err error) {
 		panic("you need to call Validate() before Run()")
 	}
 
-	log.WithField("config", *c).Debug("Running check with config")
-
 	endpoint := winrm.NewEndpoint(
 		c.Host,     // Host to connect to
 		c.Port,     // Winrm port
@@ -254,11 +253,5 @@ func (c *Config) Run(timeout time.Duration) (rc int, output string, err error) {
 
 	output = stdout.String()
 
-	// Info the debug output can confuse testing
-	if log.GetLevel() >= log.DebugLevel && stderr.Len() > 0 {
-		output += fmt.Sprintln("stderr contained:")
-		output += fmt.Sprintln(stderr.String())
-	}
-
 	return
 }

go.mod

@@ -5,7 +5,6 @@ go 1.25.0
 require (
 	github.com/NETWAYS/go-check v0.6.4
 	github.com/masterzen/winrm v0.0.0-20260407182533-5570be7f80cf
-	github.com/sirupsen/logrus v1.9.4
 	github.com/spf13/pflag v1.0.10
 	github.com/stretchr/testify v1.11.1
 	golang.org/x/crypto v0.50.0

go.sum

@@ -48,8 +48,6 @@ github.com/masterzen/winrm v0.0.0-20260407182533-5570be7f80cf h1:UxGs98qiSWMqoqQ
 github.com/masterzen/winrm v0.0.0-20260407182533-5570be7f80cf/go.mod h1:JajVhkiG2bYSNYYPYuWG7WZHr42CTjMTcCjfInRNCqc=
 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 v1.9.4 h1:TsZE7l11zFCLZnZ+teH4Umoq5BhEIfIzfRDZ1Uzql2w=
-github.com/sirupsen/logrus v1.9.4/go.mod h1:ftWc9WdOfJ0a92nsE2jF5u5ZwH8Bv2zdeOC42RjbV2g=
 github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
 github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"log/slog"
 	"os"
 	"time"
 
@@ -53,6 +54,11 @@ func main() {
 	config := BuildConfigFlags(plugin.FlagSet)
 	plugin.ParseArguments()
 
+	if plugin.Debug {
+		logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelDebug}))
+		slog.SetDefault(logger)
+	}
+
 	err := config.Validate()
 	if err != nil {
 		check.ExitRaw(check.Unknown, "could not validate parameters: "+err.Error())