service: create a new front end api option. Allow backends to be conf…

…igured.

service.go

@@ -9,7 +9,32 @@ import "bitbucket.org/kardianos/osext"
 // name. The description is an arbitrary string used to describe the
 // service.
 func NewService(name, displayName, description string) (Service, error) {
-	return newService(name, displayName, description)
+	return newService(&Config{
+		Name:        name,
+		DisplayName: displayName,
+		Description: description,
+	})
+}
+
+// Alpha API. Do not yet use.
+type Config struct {
+	Name, DisplayName, Description string
+
+	UserName  string   // Run as username.
+	Arguments []string // Run with arguments.
+
+	DependsOn        []string // Other services that this depends on.
+	WorkingDirectory string   // Service working directory.
+	ChRoot           string
+	UserService      bool // Install as a current user service.
+
+	// System specific parameters.
+	KV map[string]interface{}
+}
+
+// Alpha API. Do not yet use.
+func NewServiceConfig(c *Config) (Service, error) {
+	return newService(c)
 }
 
 // Represents a generic way to interact with the system's service.

service_darwin.go

@@ -13,14 +13,14 @@ import (
 
 const maxPathSize = 32 * 1024
 
-func newService(name, displayName, description string) (s *darwinLaunchdService, err error) {
+func newService(c *Config) (s *darwinLaunchdService, err error) {
 	s = &darwinLaunchdService{
-		name:        name,
-		displayName: displayName,
-		description: description,
+		name:        c.Name,
+		displayName: c.DisplayName,
+		description: c.Description,
 	}
 
-	s.logger, err = syslog.New(syslog.LOG_INFO, name)
+	s.logger, err = syslog.New(syslog.LOG_INFO, c.Name)
 	if err != nil {
 		return nil, err
 	}

service_linux.go

@@ -17,23 +17,29 @@ const (
 	initSystemd
 )
 
-func newService(name, displayName, description string) (Service, error) {
+const systemOs = "linux"
+
+func getFlavor() initFlavor {
 	flavor := initSystemV
 	if isUpstart() {
 		flavor = initUpstart
 	}
 	if isSystemd() {
 		flavor = initSystemd
 	}
+	return flavor
+}
+
+func newService(c *Config) (Service, error) {
 	s := &linuxService{
-		flavor:      flavor,
-		name:        name,
-		displayName: displayName,
-		description: description,
+		flavor:      getFlavor(),
+		name:        c.Name,
+		displayName: c.DisplayName,
+		description: c.Description,
 	}
 
 	var err error
-	s.logger, err = syslog.New(syslog.LOG_INFO, name)
+	s.logger, err = syslog.New(syslog.LOG_INFO, s.name)
 	if err != nil {
 		return nil, err
 	}

service_windows.go

@@ -9,11 +9,11 @@ import (
 	"code.google.com/p/winsvc/svc"
 )
 
-func newService(name, displayName, description string) (*windowsService, error) {
+func newService(c *Config) (*windowsService, error) {
 	return &windowsService{
-		name:        name,
-		displayName: displayName,
-		description: description,
+		name:        c.Name,
+		displayName: c.DisplayName,
+		description: c.Description,
 	}, nil
 }