Remove metrics, can be access via the /metrics

Author: elfranne

go.mod

@@ -3,7 +3,6 @@ module github.com/elfranne/sensu-etcd-check
 go 1.19
 
 require (
-	github.com/Showmax/go-fqdn v1.0.0
 	github.com/sensu/core/v2 v2.19.0
 	github.com/sensu/sensu-plugin-sdk v0.18.0
 	go.etcd.io/etcd/client/v3 v3.5.10

go.sum

@@ -15,8 +15,6 @@ github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/Showmax/go-fqdn v1.0.0 h1:0rG5IbmVliNT5O19Mfuvna9LL7zlHyRfsSvBPZmF9tM=
-github.com/Showmax/go-fqdn v1.0.0/go.mod h1:SfrFBzmDCtCGrnHhoDjuvFnKsWjEQX/Q9ARZvOrJAko=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=

main.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/Showmax/go-fqdn"
 	corev2 "github.com/sensu/core/v2"
 	"github.com/sensu/sensu-plugin-sdk/sensu"
 	clientv3 "go.etcd.io/etcd/client/v3"
@@ -16,7 +15,6 @@ type Config struct {
 	sensu.PluginConfig
 	Url    []string
 	Size   int64
-	Scheme string
 }
 
 var (
@@ -43,13 +41,6 @@ var (
 			Usage:    "Maximum aatabase Size",
 			Value:    &plugin.Size,
 		},
-		&sensu.PluginConfigOption[string]{
-			Path:      "scheme",
-			Argument:  "scheme",
-			Shorthand: "s",
-			Usage:     "Scheme to prepend metric",
-			Value:     &plugin.Scheme,
-		},
 	}
 )
 
@@ -62,18 +53,6 @@ func checkArgs(event *corev2.Event) (int, error) {
 	return sensu.CheckStateOK, nil
 }
 
-func GetScheme() string {
-	if len(plugin.Scheme) > 0 {
-		return plugin.Scheme
-	} else {
-		realfqdn, err := fqdn.FqdnHostname()
-		if err != nil {
-			fmt.Printf("failed to get FQDN: %s", err)
-		}
-		return realfqdn
-	}
-}
-
 func executeCheck(event *corev2.Event) (int, error) {
 
 	cli, err := clientv3.New(clientv3.Config{
@@ -92,13 +71,10 @@ func executeCheck(event *corev2.Event) (int, error) {
 		return sensu.CheckStateCritical, nil
 	}
 
-	// print metrics
-	fmt.Printf("etcd_dbsize{hostname=\"%s\"} %d %d\n", GetScheme(), status.DbSize, time.Now().Unix())
-
 	if status.DbSize > plugin.Size {
-		fmt.Printf("# Database exeeding set limit (%d): %d\n", plugin.Size, status.DbSize)
+		fmt.Printf("Database exeeding set limit (%d): %d\n", plugin.Size, status.DbSize)
 		return sensu.CheckStateCritical, nil
 	}
-
+	fmt.Printf("Database is within size limit (%d): %d\n", plugin.Size, status.DbSize)
 	return sensu.CheckStateOK, nil
 }