package installer import ( "bytes" "fmt" "io/ioutil" "os" "path/filepath" "strings" "text/template" "git.rootprojects.org/root/watchdog.go/cmd/watchdog/installer/static" ) func install(c *Config) error { // Darwin-specific config options if c.PrivilegedPorts { if !c.System { return fmt.Errorf("You must use root-owned LaunchDaemons (not user-owned LaunchAgents) to use priveleged ports on OS X") } } plistDir := "/Library/LaunchDaemons/" if !c.System { plistDir = filepath.Join(c.home, "Library/LaunchAgents") } // Check paths first err := os.MkdirAll(filepath.Dir(plistDir), 0750) if nil != err { return err } // Create service file from template b, err := static.ReadFile("dist/Library/LaunchDaemons/_rdns_.plist.tmpl") if err != nil { return err } s := string(b) rw := &bytes.Buffer{} // not sure what the template name does, but whatever tmpl, err := template.New("service").Parse(s) if err != nil { return err } err = tmpl.Execute(rw, c) if nil != err { return err } // Write the file out // TODO rdns plistName := c.Name + ".plist" plistPath := filepath.Join(plistDir, plistName) if err := ioutil.WriteFile(plistPath, rw.Bytes(), 0644); err != nil { fmt.Println("Use 'sudo' to install as a privileged system service.") fmt.Println("Use '--userspace' to install as an user service.") return fmt.Errorf("ioutil.WriteFile error: %v", err) } fmt.Printf("Installed. To start '%s' run the following:\n", c.Name) // TODO template config file fmt.Printf("\tlaunchctl load -w %s\n", strings.Replace(plistPath, c.home, "~", 1)) return nil }