a9cd7be3f9
- Use `RetroKeys` option with env.* method calls - Use `CSV*` typed methods - Inject `handleDeprecatedKey` function
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
package env
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import (
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"errors"
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"fmt"
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"strings"
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"github.com/qdm12/gluetun/internal/configuration/settings"
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"github.com/qdm12/gluetun/internal/constants"
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"github.com/qdm12/gosettings/sources/env"
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)
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func (s *Source) readOpenVPNSelection() (
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selection settings.OpenVPNSelection, err error) {
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selection.ConfFile = s.env.Get("OPENVPN_CUSTOM_CONFIG", env.ForceLowercase(false))
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selection.TCP, err = s.readOpenVPNProtocol()
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if err != nil {
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return selection, err
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}
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selection.CustomPort, err = s.env.Uint16Ptr("VPN_ENDPOINT_PORT",
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env.RetroKeys("PORT", "OPENVPN_PORT"))
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if err != nil {
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return selection, err
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}
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selection.PIAEncPreset = s.readPIAEncryptionPreset()
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return selection, nil
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}
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var ErrOpenVPNProtocolNotValid = errors.New("OpenVPN protocol is not valid")
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func (s *Source) readOpenVPNProtocol() (tcp *bool, err error) {
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const currentKey = "OPENVPN_PROTOCOL"
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envKey := firstKeySet(s.env, "PROTOCOL", currentKey)
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switch envKey {
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case "":
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return nil, nil //nolint:nilnil
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case currentKey:
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default: // Retro compatibility
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s.handleDeprecatedKey(envKey, currentKey)
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}
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protocol := s.env.String(envKey)
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switch strings.ToLower(protocol) {
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case constants.UDP:
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return ptrTo(false), nil
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case constants.TCP:
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return ptrTo(true), nil
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default:
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return nil, fmt.Errorf("environment variable %s: %w: %s",
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envKey, ErrOpenVPNProtocolNotValid, protocol)
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}
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}
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