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package xdsconfig
import (
"fmt"
"os"
"github.com/Sirupsen/logrus"
"github.com/codegangsta/cli"
"github.com/iotbzh/xds-server/lib/common"
)
// Config parameters (json format) of /config command
type Config struct {
Version string `json:"version"`
APIVersion string `json:"apiVersion"`
VersionGitTag string `json:"gitTag"`
Builder BuilderConfig `json:"builder"`
Folders FoldersConfig `json:"folders"`
// Private (un-exported fields in REST GET /config route)
FileConf FileConfig `json:"-"`
WebAppDir string `json:"-"`
HTTPPort string `json:"-"`
ShareRootDir string `json:"-"`
Log *logrus.Logger `json:"-"`
}
// Config default values
const (
DefaultAPIVersion = "1"
DefaultPort = "8000"
DefaultShareDir = "/mnt/share"
)
// Init loads the configuration on start-up
func Init(cliCtx *cli.Context, log *logrus.Logger) (*Config, error) {
var err error
// Define default configuration
c := Config{
Version: cliCtx.App.Metadata["version"].(string),
APIVersion: DefaultAPIVersion,
VersionGitTag: cliCtx.App.Metadata["git-tag"].(string),
Builder: BuilderConfig{},
Folders: FoldersConfig{},
WebAppDir: "webapp/dist",
HTTPPort: DefaultPort,
ShareRootDir: DefaultShareDir,
Log: log,
}
// config file settings overwrite default config
err = updateConfigFromFile(&c, cliCtx.GlobalString("config"))
if err != nil {
return nil, err
}
// Update location of shared dir if needed
if !common.Exists(c.ShareRootDir) {
if err := os.MkdirAll(c.ShareRootDir, 0770); err != nil {
return nil, fmt.Errorf("No valid shared directory found: %v", err)
}
}
c.Log.Infoln("Share root directory: ", c.ShareRootDir)
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 directory: ", c.FileConf.LogsDir)
return &c, nil
}
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