Add log path config (#745)

config.yml

@@ -8,6 +8,9 @@ log-level: warn
 # Set the log output to one or more of the following: `stdout`, `file`. Default: stdout,file
 log-output: stdout,file
 
+# Set the directory where the log file (opengist.log) is written. Default: $OG_OPENGIST_HOME/log
+log-path:
+
 # Public URL to access to Opengist
 external-url:
 

docs/configuration/cheat-sheet.md

@@ -8,6 +8,7 @@ aside: false
 |--------------------------|-------------------------------------|-----------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | log-level                | OG_LOG_LEVEL                        | `warn`                | Set the log level to one of the following: `debug`, `info`, `warn`, `error`, `fatal`.                                                                                                                                                    |
 | log-output               | OG_LOG_OUTPUT                       | `stdout,file`         | Set the log output to one or more of the following: `stdout`, `file`.                                                                                                                                                                    |
+| log-path                 | OG_LOG_PATH                         | `$opengist-home/log`  | Set the directory where the log file (`opengist.log`) is written.                                                                                                                                                                        |
 | external-url             | OG_EXTERNAL_URL                     | none                  | Public URL to access to Opengist.                                                                                                                                                                                                        |
 | opengist-home            | OG_OPENGIST_HOME                    | home directory        | Path to the directory where Opengist stores its data.                                                                                                                                                                                    |
 | secret-key               | OG_SECRET_KEY                       | randomized 32 bytes   | Secret key used for session store & encrypt MFA data on database.                                                                                                                                                                        |

internal/config/config.go

@@ -41,6 +41,7 @@ type config struct {
 
 	LogLevel     string `yaml:"log-level" env:"OG_LOG_LEVEL"`
 	LogOutput    string `yaml:"log-output" env:"OG_LOG_OUTPUT"`
+	LogPath      string `yaml:"log-path" env:"OG_LOG_PATH"`
 	ExternalUrl  string `yaml:"external-url" env:"OG_EXTERNAL_URL"`
 	OpengistHome string `yaml:"opengist-home" env:"OG_OPENGIST_HOME"`
 
@@ -205,6 +206,10 @@ func InitConfig(configPath string, out io.Writer) error {
 
 	C = c
 
+	if c.LogPath == "" {
+		c.LogPath = filepath.Join(GetHomeDir(), "log")
+	}
+
 	if err = migrateConfig(); err != nil {
 		return err
 	}
@@ -216,7 +221,7 @@ func InitConfig(configPath string, out io.Writer) error {
 }
 
 func InitLog() {
-	if err := os.MkdirAll(filepath.Join(GetHomeDir(), "log"), 0755); err != nil {
+	if err := os.MkdirAll(C.LogPath, 0755); err != nil {
 		panic(err)
 	}
 
@@ -257,7 +262,7 @@ func InitLog() {
 			logWriters = append(logWriters, consoleWriter)
 			defer func() { log.Debug().Msg("Logging to stdout") }()
 		case "file":
-			file, err := os.OpenFile(filepath.Join(GetHomeDir(), "log", "opengist.log"), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+			file, err := os.OpenFile(filepath.Join(C.LogPath, "opengist.log"), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
 			if err != nil {
 				panic(err)
 			}