nternal/config/cli.go: move overrideCliFlags() to cmd/thalos/server.go as its pretty specific code.

cmd/thalos/server.go

@@ -7,6 +7,7 @@ import (
 	"io"
 	"os"
 	"os/signal"
+	"path"
 	"syscall"
 	"time"
 
@@ -204,10 +205,21 @@ func GetConfig(flags *pflag.FlagSet) (*config.Config, error) {
 		return nil, err
 	}
 
-	return config.NewBuilder().
+	cfg, err := config.NewBuilder().
 		SetConfigFile(filename).
 		SetFlags(flags).
 		Build()
+	if err != nil {
+		return nil, err
+	}
+
+	logFile, _ := flags.GetString("log")
+	if len(logFile) > 0 {
+		cfg.Log.Directory = path.Dir(logFile)
+		cfg.Log.Filename = path.Base(logFile)
+	}
+
+	return cfg, nil
 }
 
 func serverCmd(cmd *cobra.Command, args []string) {

internal/config/builder.go

@@ -116,12 +116,5 @@ func (b *Builder) Build() (*Config, error) {
 		return nil, err
 	}
 
-	// Call custom handler.
-	if b.flags != nil {
-		if err := overrideCliFlags(&conf, b.flags); err != nil {
-			return nil, err
-		}
-	}
-
 	return &conf, nil
 }

internal/config/builder_test.go

@@ -110,8 +110,8 @@ name: "ship-reader-1"
 api: "http://127.0.0.1:8080"
 message_codec: "mojibake"
 log:
-  filename: some_file.log
-  directory: /path/to/whatever
+  filename: mylog.log
+  directory: /var/log
   maxtime: 30m
   maxfilesize: 200b
 ship:
@@ -135,7 +135,6 @@ redis:
 
 	require.NoError(t, flags.Set("url", "https://api.example.com"))
 	require.NoError(t, flags.Set("codec", "msgpack"))
-	require.NoError(t, flags.Set("log", "/var/log/mylog.log"))
 	require.NoError(t, flags.Set("redis-user", "userfromcli"))
 
 	builder.SetFlags(flags)
@@ -164,7 +163,6 @@ func TestBuilder_Flags(t *testing.T) {
 	require.NoError(t, flags.Set("redis-prefix", "custom-prefix"))
 	require.NoError(t, flags.Set("telegram-id", "72983126312982618"))
 	require.NoError(t, flags.Set("telegram-channel", "-293492332"))
-	require.NoError(t, flags.Set("log", "/path/to/logs/mylog"))
 	require.NoError(t, flags.Set("log-max-filesize", "25mb"))
 	require.NoError(t, flags.Set("log-max-time", "10m"))
 	require.NoError(t, flags.Set("ship-url", "ws://myship.com:7823"))
@@ -183,8 +181,6 @@ func TestBuilder_Flags(t *testing.T) {
 		Api:          "https://myapi",
 		MessageCodec: "binary",
 		Log: log.Config{
-			Filename:    "mylog",
-			Directory:   "/path/to/logs",
 			MaxFileSize: 25 * 1000 * 1000, // 25 mb
 			MaxTime:     time.Minute * 10,
 		},

internal/config/cli.go

@@ -1,7 +1,6 @@
 package config
 
 import (
-	"path"
 	"time"
 
 	shipclient "github.com/eosswedenorg-go/antelope-ship-client"
@@ -45,12 +44,3 @@ func GetFlags() *pflag.FlagSet {
 
 	return &flags
 }
-
-func overrideCliFlags(cfg *Config, flags *pflag.FlagSet) error {
-	logFile, _ := flags.GetString("log")
-	if len(logFile) > 0 {
-		cfg.Log.Directory = path.Dir(logFile)
-		cfg.Log.Filename = path.Base(logFile)
-	}
-	return nil
-}