use one method of setup logging

cmd/acra_addzone/acra_addzone.go

@@ -30,6 +30,8 @@ func main() {
 	output_dir := flag.String("output_dir", keystore.DEFAULT_KEY_DIR_SHORT, "Folder where will be saved generated zone keys")
 	fs_keystore := flag.Bool("fs", true, "Use filesystem key store")
 
+	cmd.SetLogLevel(cmd.LOG_VERBOSE)
+
 	err := cmd.Parse(DEFAULT_CONFIG_PATH)
 	if err != nil {
 		fmt.Printf("Error: %v\n", ErrorMessage("Can't parse args", err))

cmd/acra_genkeys/acra_genkeys.go

@@ -33,6 +33,8 @@ func main() {
 	data_keys := flag.Bool("storage", false, "Create keypair for data encryption/decryption")
 	output_dir := flag.String("output", keystore.DEFAULT_KEY_DIR_SHORT, "Folder where will be saved keys")
 
+	cmd.SetLogLevel(cmd.LOG_VERBOSE)
+
 	err := cmd.Parse(DEFAULT_CONFIG_PATH)
 	if err != nil {
 		fmt.Printf("Error: %v\n", utils.ErrorMessage("Can't parse args", err))

cmd/acra_genpoisonrecord/acra_genpoisonrecord.go

@@ -30,6 +30,8 @@ func main() {
 	keys_dir := flag.String("keys_dir", keystore.DEFAULT_KEY_DIR_SHORT, "Folder from which will be loaded keys")
 	data_length := flag.Int("data_length", poison.DEFAULT_DATA_LENGTH, fmt.Sprintf("Length of random data for data block in acrastruct. -1 is random in range 1..%v", poison.MAX_DATA_LENGTH))
 
+	cmd.SetLogLevel(cmd.LOG_DISCARD)
+
 	err := cmd.Parse(DEFAULT_CONFIG_PATH)
 	if err != nil {
 		fmt.Printf("Error: %v\n", utils.ErrorMessage("Can't parse args", err))

cmd/acra_rollback/acra_rollback.go

@@ -147,6 +147,9 @@ func main() {
 	output_file := flag.String("output_file", "decrypted.sql", "File for store inserts queries")
 	execute := flag.Bool("execute", false, "Execute inserts")
 	escape_format := flag.Bool("escape", false, "Escape bytea format")
+
+	cmd.SetLogLevel(cmd.LOG_VERBOSE)
+
 	err := cmd.Parse(DEFAULT_CONFIG_PATH)
 	if err != nil {
 		fmt.Printf("Error: %v\n", utils.ErrorMessage("Can't parse args", err))

cmd/acraproxy/acraproxy.go

@@ -18,7 +18,6 @@ import (
 	"flag"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"net"
 	"os"
@@ -295,9 +294,9 @@ func main() {
 	}
 
 	if *verbose {
-		log.SetOutput(os.Stdout)
+		cmd.SetLogLevel(cmd.LOG_VERBOSE)
 	} else {
-		log.SetOutput(ioutil.Discard)
+		cmd.SetLogLevel(cmd.LOG_DISCARD)
 	}
 	if runtime.GOOS != "linux" {
 		*disable_user_check = true

cmd/acraserver/acraserver.go

@@ -14,14 +14,11 @@
 package main
 
 import (
-	"bytes"
 	"flag"
 	"fmt"
 	"github.com/cossacklabs/acra/cmd"
 	"github.com/cossacklabs/acra/keystore"
 	"github.com/cossacklabs/acra/utils"
-	"io"
-	"io/ioutil"
 	"log"
 	"net/http"
 	_ "net/http/pprof"
@@ -30,22 +27,6 @@ import (
 
 var DEFAULT_CONFIG_PATH = utils.GetConfigPathByName("acraserver")
 
-var DEBUG_PREFIX = []byte("Debug: ")
-
-type NotDebugWriter struct {
-	writer io.Writer
-}
-
-func NewNotDebugWriter(writer io.Writer) *NotDebugWriter {
-	return &NotDebugWriter{writer: writer}
-}
-func (wr *NotDebugWriter) Write(p []byte) (int, error) {
-	if bytes.Contains(p, DEBUG_PREFIX) {
-		return 0, nil
-	}
-	return wr.writer.Write(p)
-}
-
 func main() {
 	db_host := flag.String("db_host", "", "Host to db")
 	db_port := flag.Int("db_port", 5432, "Port to db")
@@ -81,11 +62,11 @@ func main() {
 	}
 
 	if *debug {
-		log.SetOutput(os.Stdout)
+		cmd.SetLogLevel(cmd.LOG_DEBUG)
 	} else if *verbose {
-		log.SetOutput(NewNotDebugWriter(os.Stdout))
+		cmd.SetLogLevel(cmd.LOG_VERBOSE)
 	} else {
-		log.SetOutput(ioutil.Discard)
+		cmd.SetLogLevel(cmd.LOG_DISCARD)
 	}
 	if *db_host == "" {
 		fmt.Println("Error: you must specify db_host")

cmd/utils.go

@@ -1,12 +1,14 @@
 package cmd
 
 import (
+	"bytes"
 	flag_ "flag"
 	"fmt"
 	"github.com/cossacklabs/acra/utils"
 	"github.com/go-yaml/yaml"
 	"io"
 	"io/ioutil"
+	"log"
 	"os"
 	"path/filepath"
 	"reflect"
@@ -17,6 +19,12 @@ var (
 	dumpconfig = flag_.Bool("dumpconfig", false, "dump config")
 )
 
+const (
+	LOG_DEBUG = iota
+	LOG_VERBOSE
+	LOG_DISCARD
+)
+
 func init() {
 	// override default usage message by ours
 	flag_.CommandLine.Usage = PrintDefaults
@@ -186,3 +194,31 @@ func Parse(config_path string) error {
 	}
 	return nil
 }
+
+var DEBUG_PREFIX = []byte("Debug: ")
+
+type NotDebugWriter struct {
+	writer io.Writer
+}
+
+func NewNotDebugWriter(writer io.Writer) *NotDebugWriter {
+	return &NotDebugWriter{writer: writer}
+}
+func (wr *NotDebugWriter) Write(p []byte) (int, error) {
+	if bytes.Contains(p, DEBUG_PREFIX) {
+		return 0, nil
+	}
+	return wr.writer.Write(p)
+}
+
+func SetLogLevel(level int) {
+	if level == LOG_DEBUG {
+		log.SetOutput(os.Stdout)
+	} else if level == LOG_VERBOSE {
+		log.SetOutput(NewNotDebugWriter(os.Stdout))
+	} else if level == LOG_DISCARD {
+		log.SetOutput(ioutil.Discard)
+	} else {
+		panic(fmt.Sprintf("Incorrect log level - %v", level))
+	}
+}