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Merge pull request #4622 from guggero/config-mkdir

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config: create all directories
This commit is contained in:
Conner Fromknecht 2020-09-18 14:32:28 -04:00 committed by GitHub
commit 98da919bf1
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1 changed files with 36 additions and 13 deletions
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49
config.go
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@ -552,23 +552,28 @@ func ValidateConfig(cfg Config, usageMessage string) (*Config, error) {
}
}
// Create the lnd directory if it doesn't already exist.
funcName := "loadConfig"
if err := os.MkdirAll(lndDir, 0700); err != nil {
// Show a nicer error message if it's because a symlink is
// linked to a directory that does not exist (probably because
// it's not mounted).
if e, ok := err.(*os.PathError); ok && os.IsExist(err) {
if link, lerr := os.Readlink(e.Path); lerr == nil {
str := "is symlink %s -> %s mounted?"
err = fmt.Errorf(str, e.Path, link)
makeDirectory := func(dir string) error {
err := os.MkdirAll(dir, 0700)
if err != nil {
// Show a nicer error message if it's because a symlink
// is linked to a directory that does not exist
// (probably because it's not mounted).
if e, ok := err.(*os.PathError); ok && os.IsExist(err) {
link, lerr := os.Readlink(e.Path)
if lerr == nil {
str := "is symlink %s -> %s mounted?"
err = fmt.Errorf(str, e.Path, link)
}
}
str := "%s: Failed to create lnd directory: %v"
err := fmt.Errorf(str, funcName, err)
_, _ = fmt.Fprintln(os.Stderr, err)
return err
}
str := "%s: Failed to create lnd directory: %v"
err := fmt.Errorf(str, funcName, err)
_, _ = fmt.Fprintln(os.Stderr, err)
return nil, err
return nil
}
// As soon as we're done parsing configuration options, ensure all paths
@ -590,6 +595,24 @@ func ValidateConfig(cfg Config, usageMessage string) (*Config, error) {
cfg.Tor.WatchtowerKeyPath = CleanAndExpandPath(cfg.Tor.WatchtowerKeyPath)
cfg.Watchtower.TowerDir = CleanAndExpandPath(cfg.Watchtower.TowerDir)
// Create the lnd directory and all other sub directories if they don't
// already exist. This makes sure that directory trees are also created
// for files that point to outside of the lnddir.
dirs := []string{
lndDir, cfg.DataDir,
cfg.LetsEncryptDir, cfg.Watchtower.TowerDir,
filepath.Dir(cfg.TLSCertPath), filepath.Dir(cfg.TLSKeyPath),
filepath.Dir(cfg.AdminMacPath), filepath.Dir(cfg.ReadMacPath),
filepath.Dir(cfg.InvoiceMacPath),
filepath.Dir(cfg.Tor.PrivateKeyPath),
filepath.Dir(cfg.Tor.WatchtowerKeyPath),
}
for _, dir := range dirs {
if err := makeDirectory(dir); err != nil {
return nil, err
}
}
// Ensure that the user didn't attempt to specify negative values for
// any of the autopilot params.
if cfg.Autopilot.MaxChannels < 0 {