senuma logging

spargcom/senuma/database/database.go

@@ -2,7 +2,7 @@ package database
 
 import (
 	"database/sql"
-	"fmt"
+	"log"
 	"spargcom/senuma/domain"
 
 	_ "github.com/go-sql-driver/mysql"
@@ -16,15 +16,15 @@ var (
 func CreateArtikel(art domain.Artikel) (resArt domain.Artikel, err error) {
 	conn, err := sql.Open(dbType, dbConnection)
 	if err != nil {
-		fmt.Println("Error while connecting DB: ", err)
+		log.Println("Error while connecting DB: ", err)
 	}
-	fmt.Println("Verbindung hergestellt")
-	fmt.Println("Bezeichnung = ", art.Bezeichnung)
+	log.Println("Verbindung hergestellt")
+	log.Println("Bezeichnung = ", art.Bezeichnung)
 	defer conn.Close()
 
 	res, err := conn.Exec("INSERT INTO artikel VALUES(?,?,?)", art.Id, art.Bezeichnung, art.ArtNrExt)
 	if err != nil {
-		fmt.Println("Error while executing insert statement", err)
+		log.Println("Error while executing insert statement", err)
 	}
 	lastId, err := res.LastInsertId()
 	art.Id = uint64(lastId)

spargcom/senuma/go.mod

@@ -5,6 +5,7 @@ go 1.16
 require github.com/gorilla/mux v1.8.0
 
 require (
+	github.com/sirupsen/logrus v1.8.1 // indirect
 	spargcom/senuma/database v0.0.0-00010101000000-000000000000
 	spargcom/senuma/domain v0.0.0-00010101000000-000000000000
 )

spargcom/senuma/go.sum

@@ -1,4 +1,11 @@
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-sql-driver/mysql v1.6.0 h1:BCTh4TKNUYmOmMUcQ3IipzF5prigylS7XXjEkfCHuOE=
 github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+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/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=

spargcom/senuma/senuma.go

@@ -5,13 +5,25 @@ import (
 	"fmt"
 	"io/ioutil"
 	"net/http"
+	"os"
 	"spargcom/senuma/database"
 	"spargcom/senuma/domain"
 
+	log "github.com/sirupsen/logrus"
+
 	"github.com/gorilla/mux"
 )
 
 func main() {
+	file, err := os.OpenFile("senuma.log", os.O_CREATE|os.O_APPEND, 0644)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	defer file.Close()
+
+	log.SetOutput(file)
+	log.SetLevel(log.InfoLevel)
 	r := mux.NewRouter()
 	r.HandleFunc("/artikel", createArtikelHandler).Methods("POST")
 
@@ -24,7 +36,7 @@ func main() {
 	//r.HandleFunc("/tunnels", createTunnelHandler).Methods("POST")
 
 	http.ListenAndServe(":8081", r)
-	fmt.Println("running on localhost, Port 8081")
+	log.Info("running on localhost, Port 8081")
 
 }
 
@@ -35,8 +47,8 @@ func createArtikelHandler(writer http.ResponseWriter, req *http.Request) {
 	}
 	var art domain.Artikel
 	json.Unmarshal(body, &art)
-	fmt.Println("Bezeichnung = ", art.Bezeichnung)
-	fmt.Println("externe Art-Nr = ", art.ArtNrExt)
+	log.Println("Bezeichnung = ", art.Bezeichnung)
+	log.Println("externe Art-Nr = ", art.ArtNrExt)
 	res, err := database.CreateArtikel(art)
 	if err != nil {
 		writer.WriteHeader(http.StatusInternalServerError)
@@ -44,7 +56,7 @@ func createArtikelHandler(writer http.ResponseWriter, req *http.Request) {
 
 	b, err := json.Marshal(res)
 	if err != nil {
-		fmt.Println("Error: ", err)
+		log.Println("Error: ", err)
 	}
 
 	location := fmt.Sprintf("%s/%d", req.URL.String(), res.Id)

spargcom/senuma/senuma.log

@@ -0,0 +1,2 @@
+time="2021-05-12T22:07:25+02:00" level=info msg="Bezeichnung =  HP ProLine 405 G6"
+time="2021-05-12T22:07:25+02:00" level=info msg="externe Art-Nr =  HPPL405G6"