func newDefaultConfigFile(path string) error {
conf := defaultConfigFile{
Listen: defaultListenAddr,
HTTPS: false,
Auth: "localhost",
ReplicateTo: make([]interface{}, 0),
}
blobDir := osutil.CamliBlobRoot()
if err := os.MkdirAll(blobDir, 0700); err != nil {
return fmt.Errorf("Could not create default blobs directory: %v", err)
}
conf.BlobPath = blobDir
if sqlite.CompiledIn() {
conf.SQLite = filepath.Join(osutil.CamliVarDir(), "camli-index.db")
if fi, err := os.Stat(conf.SQLite); os.IsNotExist(err) || (fi != nil && fi.Size() == 0) {
if err := initSQLiteDB(conf.SQLite); err != nil {
log.Printf("Error initializing DB %s: %v", conf.SQLite, err)
}
}
} else {
conf.KVFile = filepath.Join(osutil.CamliVarDir(), "camli-index.kvdb")
}
var keyId string
secRing := osutil.IdentitySecretRing()
_, err := os.Stat(secRing)
switch {
case err == nil:
keyId, err = jsonsign.KeyIdFromRing(secRing)
if err != nil {
return fmt.Errorf("Could not find any keyId in file %q: %v", secRing, err)
}
log.Printf("Re-using identity with keyId %q found in file %s", keyId, secRing)
case os.IsNotExist(err):
keyId, err = jsonsign.GenerateNewSecRing(secRing)
if err != nil {
return fmt.Errorf("Could not generate new secRing at file %q: %v", secRing, err)
}
log.Printf("Generated new identity with keyId %q in file %s", keyId, secRing)
}
if err != nil {
return fmt.Errorf("Could not stat secret ring %q: %v", secRing, err)
}
conf.Identity = keyId
conf.IdentitySecretRing = secRing
confData, err := json.MarshalIndent(conf, "", " ")
if err != nil {
return fmt.Errorf("Could not json encode config file : %v", err)
}
if err := ioutil.WriteFile(path, confData, 0600); err != nil {
return fmt.Errorf("Could not create or write default server config: %v", err)
}
return nil
}
// loadConfig returns the server's parsed config file, locating it using the provided arg.
//
// The arg may be of the form:
// - empty, to mean automatic (will write a default high-level config if
// no cloud config is available)
// - a filepath absolute or relative to the user's configuration directory,
// - a URL
func loadConfig(arg string) (conf *serverinit.Config, isNewConfig bool, err error) {
if strings.HasPrefix(arg, "http://") || strings.HasPrefix(arg, "https://") {
contents, err := slurpURL(arg, 256<<10)
if err != nil {
return nil, false, err
}
conf, err = serverinit.Load(contents)
return conf, false, err
}
var absPath string
switch {
case arg == "":
absPath = osutil.UserServerConfigPath()
_, err = wkfs.Stat(absPath)
if err != nil {
if !os.IsNotExist(err) {
return
}
conf, err = serverinit.DefaultEnvConfig()
if err != nil || conf != nil {
return
}
err = wkfs.MkdirAll(osutil.CamliConfigDir(), 0700)
if err != nil {
return
}
log.Printf("Generating template config file %s", absPath)
if err = serverinit.WriteDefaultConfigFile(absPath, sqlite.CompiledIn()); err == nil {
isNewConfig = true
}
}
case filepath.IsAbs(arg):
absPath = arg
default:
absPath = filepath.Join(osutil.CamliConfigDir(), arg)
}
conf, err = serverinit.LoadFile(absPath)
return
}
// findConfigFile returns the absolute path of the user's
// config file.
// The provided file may be absolute or relative
// to the user's configuration directory.
// If file is empty, a default high-level config is written
// for the user.
func findConfigFile(file string) (absPath string, isNewConfig bool, err error) {
switch {
case file == "":
absPath = osutil.UserServerConfigPath()
_, err = os.Stat(absPath)
if os.IsNotExist(err) {
err = os.MkdirAll(osutil.CamliConfigDir(), 0700)
if err != nil {
return
}
log.Printf("Generating template config file %s", absPath)
if err = serverinit.WriteDefaultConfigFile(absPath, sqlite.CompiledIn()); err == nil {
isNewConfig = true
}
}
return
case filepath.IsAbs(file):
absPath = file
default:
absPath = filepath.Join(osutil.CamliConfigDir(), file)
}
_, err = os.Stat(absPath)
return
}