package xdsconfig import ( "fmt" "io" "os" "path/filepath" "github.com/Sirupsen/logrus" "github.com/codegangsta/cli" common "github.com/iotbzh/xds-common/golib" ) // Config parameters (json format) of /config command type Config struct { ServerUID string `json:"id"` Version string `json:"version"` APIVersion string `json:"apiVersion"` VersionGitTag string `json:"gitTag"` SupportedSharing map[string]bool `json:"supportedSharing"` Builder BuilderConfig `json:"builder"` // Private (un-exported fields in REST GET /config route) Options Options `json:"-"` FileConf FileConfig `json:"-"` Log *logrus.Logger `json:"-"` LogVerboseOut io.Writer `json:"-"` } // Options set at the command line type Options struct { ConfigFile string LogLevel string LogFile string NoFolderConfig bool } // Config default values const ( DefaultAPIVersion = "1" DefaultPort = "8000" DefaultShareDir = "${HOME}/.xds-server/projects" DefaultSTHomeDir = "${HOME}/.xds-server/syncthing-config" DefaultSdkRootDir = "/xdt/sdk" ) // Init loads the configuration on start-up func Init(cliCtx *cli.Context, log *logrus.Logger) (*Config, error) { var err error dfltShareDir := DefaultShareDir dfltSTHomeDir := DefaultSTHomeDir if resDir, err := common.ResolveEnvVar(DefaultShareDir); err == nil { dfltShareDir = resDir } if resDir, err := common.ResolveEnvVar(DefaultSTHomeDir); err == nil { dfltSTHomeDir = resDir } uuid, err := ServerIDGet() if err != nil { return nil, err } // Define default configuration c := Config{ ServerUID: uuid, Version: cliCtx.App.Metadata["version"].(string), APIVersion: DefaultAPIVersion, VersionGitTag: cliCtx.App.Metadata["git-tag"].(string), Builder: BuilderConfig{}, SupportedSharing: map[string]bool{ /*FIXME USE folder.TypePathMap*/ "PathMap": true}, Options: Options{ ConfigFile: cliCtx.GlobalString("config"), LogLevel: cliCtx.GlobalString("log"), LogFile: cliCtx.GlobalString("logfile"), NoFolderConfig: cliCtx.GlobalBool("no-folderconfig"), }, FileConf: FileConfig{ WebAppDir: "webapp/dist", ShareRootDir: dfltShareDir, SdkRootDir: DefaultSdkRootDir, HTTPPort: DefaultPort, SThgConf: &SyncThingConf{Home: dfltSTHomeDir}, LogsDir: "", }, Log: log, } c.Log.Infoln("Server UUID: ", uuid) // config file settings overwrite default config err = readGlobalConfig(&c, c.Options.ConfigFile) if err != nil { return nil, err } // Update location of shared dir if needed if !common.Exists(c.FileConf.ShareRootDir) { if err := os.MkdirAll(c.FileConf.ShareRootDir, 0770); err != nil { return nil, fmt.Errorf("No valid shared directory found: %v", err) } } c.Log.Infoln("Share root directory: ", c.FileConf.ShareRootDir) // Where Logs are redirected: // default 'stdout' (logfile option default value) // else use file (or filepath) set by --logfile option // that may be overwritten by LogsDir field of config file logF := c.Options.LogFile logD := c.FileConf.LogsDir if logF != "stdout" { if logD != "" { lf := filepath.Base(logF) if lf == "" || lf == "." { lf = "xds-server.log" } logF = filepath.Join(logD, lf) } else { logD = filepath.Dir(logF) } } if logD == "" || logD == "." { logD = "/tmp/xds/logs" } c.Options.LogFile = logF c.FileConf.LogsDir = logD if c.FileConf.LogsDir != "" && !common.Exists(c.FileConf.LogsDir) { if err := os.MkdirAll(c.FileConf.LogsDir, 0770); err != nil { return nil, fmt.Errorf("Cannot create logs dir: %v", err) } } c.Log.Infoln("Logs file: ", c.Options.LogFile) c.Log.Infoln("Logs directory: ", c.FileConf.LogsDir) return &c, nil }