// setConfigUnsynced is for private use.
func (r *FSRepo) setConfigUnsynced(updated *config.Config) error {
configFilename, err := config.Filename(r.path)
if err != nil {
return err
}
// to avoid clobbering user-provided keys, must read the config from disk
// as a map, write the updated struct values to the map and write the map
// to disk.
var mapconf map[string]interface{}
if err := serialize.ReadConfigFile(configFilename, &mapconf); err != nil {
return err
}
m, err := config.ToMap(updated)
if err != nil {
return err
}
for k, v := range m {
mapconf[k] = v
}
if err := serialize.WriteConfigFile(configFilename, mapconf); err != nil {
return err
}
*r.config = *updated // copy so caller cannot modify this private config
return nil
}
func starBootstrap(icfg *initCfg) error {
// '0' node is the bootstrap node
cfgpath := path.Join(IpfsDirN(0), "config")
bcfg, err := serial.Load(cfgpath)
if err != nil {
return err
}
bcfg.Bootstrap = nil
bcfg.Addresses.Swarm = []string{icfg.swarmAddrForPeer(0)}
bcfg.Addresses.API = icfg.apiAddrForPeer(0)
bcfg.Addresses.Gateway = ""
bcfg.Discovery.MDNS.Enabled = icfg.Mdns
err = serial.WriteConfigFile(cfgpath, bcfg)
if err != nil {
return err
}
for i := 1; i < icfg.Count; i++ {
cfgpath := path.Join(IpfsDirN(i), "config")
cfg, err := serial.Load(cfgpath)
if err != nil {
return err
}
ba := fmt.Sprintf("%s/ipfs/%s", bcfg.Addresses.Swarm[0], bcfg.Identity.PeerID)
ba = strings.Replace(ba, "0.0.0.0", "127.0.0.1", -1)
cfg.Bootstrap = []string{ba}
cfg.Addresses.Gateway = ""
cfg.Discovery.MDNS.Enabled = icfg.Mdns
cfg.Addresses.Swarm = []string{
icfg.swarmAddrForPeer(i),
}
cfg.Addresses.API = icfg.apiAddrForPeer(i)
err = serial.WriteConfigFile(cfgpath, cfg)
if err != nil {
return err
}
}
return nil
}
func initConfig(path string, conf *config.Config) error {
if configIsInitialized(path) {
return nil
}
configFilename, err := config.Filename(path)
if err != nil {
return err
}
// initialization is the one time when it's okay to write to the config
// without reading the config from disk and merging any user-provided keys
// that may exist.
if err := serialize.WriteConfigFile(configFilename, conf); err != nil {
return err
}
return nil
}
func clearBootstrapping(icfg *initCfg) error {
for i := 0; i < icfg.Count; i++ {
cfgpath := path.Join(IpfsDirN(i), "config")
cfg, err := serial.Load(cfgpath)
if err != nil {
return err
}
cfg.Bootstrap = nil
cfg.Addresses.Gateway = ""
cfg.Addresses.Swarm = []string{icfg.swarmAddrForPeer(i)}
cfg.Addresses.API = icfg.apiAddrForPeer(i)
cfg.Discovery.MDNS.Enabled = icfg.Mdns
err = serial.WriteConfigFile(cfgpath, cfg)
if err != nil {
return err
}
}
return nil
}
// SetConfigKey writes the value of a particular key.
func (r *FSRepo) SetConfigKey(key string, value interface{}) error {
packageLock.Lock()
defer packageLock.Unlock()
if r.closed {
return errors.New("repo is closed")
}
filename, err := config.Filename(r.path)
if err != nil {
return err
}
var mapconf map[string]interface{}
if err := serialize.ReadConfigFile(filename, &mapconf); err != nil {
return err
}
// Get the type of the value associated with the key
oldValue, err := common.MapGetKV(mapconf, key)
ok := true
if err != nil {
// key-value does not exist yet
switch v := value.(type) {
case string:
value, err = strconv.ParseBool(v)
if err != nil {
value, err = strconv.Atoi(v)
if err != nil {
value, err = strconv.ParseFloat(v, 32)
if err != nil {
value = v
}
}
}
default:
}
} else {
switch oldValue.(type) {
case bool:
value, ok = value.(bool)
case int:
value, ok = value.(int)
case float32:
value, ok = value.(float32)
case string:
value, ok = value.(string)
default:
value = value
}
if !ok {
return fmt.Errorf("Wrong config type, expected %T", oldValue)
}
}
if err := common.MapSetKV(mapconf, key, value); err != nil {
return err
}
// This step doubles as to validate the map against the struct
// before serialization
conf, err := config.FromMap(mapconf)
if err != nil {
return err
}
if err := serialize.WriteConfigFile(filename, mapconf); err != nil {
return err
}
return r.setConfigUnsynced(conf) // TODO roll this into this method
}