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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,
}
// 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
}
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