Hesham/hvpn-node3
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setup: allow running when uuid can not be read or saved

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This commit is contained in:
HeshamTB 2024-03-18 20:30:40 +03:00
parent e3b080ba7f
commit 1f3eca1b1b
1 changed files with 18 additions and 7 deletions
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25
node.go
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@ -25,6 +25,7 @@ func InitNodeUUID() (*uuid.UUID, error) {
}
}
slog.Debug("UUID: Reading UUID")
f, err := os.Open(UUID_PATH)
if err != nil {
return nil, err
@ -41,23 +42,33 @@ func InitNodeUUID() (*uuid.UUID, error) {
}
func createNodeUUID() (*uuid.UUID, error) {
err := os.MkdirAll(CONFIG_PATH, 0755)
uuid, err := uuid.NewRandom()
if err != nil {
return nil, err
}
err = os.MkdirAll(CONFIG_PATH, 0755)
if err != nil {
slog.Error(err.Error())
slog.Warn("Could not create /etc/hvpn directory!")
slog.Info("Proccedig without saving node UUID")
return &uuid, nil
}
mode := os.O_RDWR | os.O_CREATE | os.O_EXCL
f, err := os.OpenFile(UUID_PATH, mode, 0644)
if err != nil {
return nil, err
}
uuid, err := uuid.NewRandom()
if err != nil {
return nil, err
slog.Error(err.Error())
slog.Warn("Could not open uuid file")
slog.Info("Proccedig without saving node UUID")
return &uuid, nil
}
n, err := f.Write(uuid[:])
if err != nil {
return nil, err
slog.Error(err.Error())
slog.Warn("Could not write to uuid file")
slog.Info("Proccesing without saving node UUID")
return &uuid, nil
}
slog.Debug("UUID: Wrote " + fmt.Sprint(n) + "bytes")
return &uuid, nil