Added setting for LogLevel

api/config/config.go

@@ -26,7 +26,8 @@ func ParseFlags() ServerConfig {
 	disableAuthentication := flag.Bool("DisableAuth", false, "Disable authentication")
 	disableTls := flag.Bool("DisableTls", false, "Disable TLS, serve over HTTP")
 	persistDataPath := flag.String("Persist", "", "Saves data to given path on application exit")
-	debug := flag.Bool("Debug", false, "Runs application in debug mode, this provides additional logging")
+	logLevel := NewEnumValue("info", []string{"debug", "info", "error", "silent"})
+	flag.Var(logLevel, "LogLevel", fmt.Sprintf("Sets the logging level %s", logLevel.AllowedValuesList()))
 
 	flag.Parse()
 	setFlagsFromEnvironment()
@@ -41,8 +42,8 @@ func ParseFlags() ServerConfig {
 	config.PersistDataFilePath = *persistDataPath
 	config.DisableAuth = *disableAuthentication
 	config.DisableTls = *disableTls
-	config.Debug = *debug
 	config.AccountKey = *accountKey
+	config.LogLevel = logLevel.value
 
 	config.PopulateCalculatedFields()
 
@@ -54,7 +55,19 @@ func (c *ServerConfig) PopulateCalculatedFields() {
 	c.DatabaseDomain = c.Host
 	c.DatabaseEndpoint = fmt.Sprintf("https://%s:%d/", c.Host, c.Port)
 	c.ExplorerBaseUrlLocation = ExplorerBaseUrlLocation
-	logger.EnableDebugOutput = c.Debug
+
+	switch c.LogLevel {
+	case "debug":
+		logger.LogLevel = logger.LogLevelDebug
+	case "info":
+		logger.LogLevel = logger.LogLevelInfo
+	case "error":
+		logger.LogLevel = logger.LogLevelError
+	case "silent":
+		logger.LogLevel = logger.LogLevelSilent
+	default:
+		logger.LogLevel = logger.LogLevelInfo
+	}
 }
 
 func (c *ServerConfig) ApplyDefaultsToEmptyFields() {

api/config/enumFlag.go

@@ -0,0 +1,36 @@
+package config
+
+import (
+	"fmt"
+	"strings"
+)
+
+type EnumValue struct {
+	allowedValues []string
+	value         string
+}
+
+func (e *EnumValue) String() string {
+	return e.value
+}
+
+func (e *EnumValue) Set(v string) error {
+	for _, allowed := range e.allowedValues {
+		if v == allowed {
+			e.value = v
+			return nil
+		}
+	}
+	return fmt.Errorf("invalid value %q, must be one of: %s", v, strings.Join(e.allowedValues, ", "))
+}
+
+func NewEnumValue(defaultValue string, allowedValues []string) *EnumValue {
+	return &EnumValue{
+		allowedValues: allowedValues,
+		value:         defaultValue,
+	}
+}
+
+func (e *EnumValue) AllowedValuesList() string {
+	return fmt.Sprintf("(one of: %s)", strings.Join(e.allowedValues, ", "))
+}

api/config/models.go

@@ -15,6 +15,6 @@ type ServerConfig struct {
 	PersistDataFilePath     string `json:"persistDataFilePath"`
 	DisableAuth             bool   `json:"disableAuth"`
 	DisableTls              bool   `json:"disableTls"`
-	Debug                   bool   `json:"debug"`
+	LogLevel                string `json:"logLevel"`
 	ExplorerBaseUrlLocation string `json:"explorerBaseUrlLocation"`
 }