123 lines
2.5 KiB
Go
123 lines
2.5 KiB
Go
package env
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import (
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"os"
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"github.com/qdm12/gluetun/internal/configuration/settings"
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"github.com/qdm12/gosettings/sources/env"
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)
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type Source struct {
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env env.Env
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warner Warner
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}
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type Warner interface {
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Warn(s string)
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}
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func New(warner Warner) *Source {
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return &Source{
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env: *env.New(os.Environ()),
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warner: warner,
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}
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}
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func (s *Source) String() string { return "environment variables" }
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func (s *Source) Read() (settings settings.Settings, err error) {
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settings.VPN, err = s.readVPN()
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if err != nil {
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return settings, err
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}
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settings.Firewall, err = s.readFirewall()
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if err != nil {
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return settings, err
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}
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settings.System, err = s.readSystem()
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if err != nil {
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return settings, err
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}
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settings.Health, err = s.ReadHealth()
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if err != nil {
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return settings, err
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}
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settings.HTTPProxy, err = s.readHTTPProxy()
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if err != nil {
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return settings, err
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}
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settings.Log, err = s.readLog()
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if err != nil {
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return settings, err
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}
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settings.PublicIP, err = s.readPublicIP()
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if err != nil {
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return settings, err
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}
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settings.Updater, err = s.readUpdater()
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if err != nil {
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return settings, err
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}
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settings.Version, err = s.readVersion()
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if err != nil {
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return settings, err
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}
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settings.Shadowsocks, err = s.readShadowsocks()
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if err != nil {
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return settings, err
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}
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settings.DNS, err = s.readDNS()
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if err != nil {
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return settings, err
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}
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settings.ControlServer, err = s.readControlServer()
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if err != nil {
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return settings, err
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}
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settings.Pprof, err = s.readPprof()
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if err != nil {
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return settings, err
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}
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return settings, nil
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}
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func (s *Source) onRetroActive(oldKey, newKey string) {
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s.warner.Warn(
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"You are using the old environment variable " + oldKey +
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", please consider changing it to " + newKey)
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}
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// getEnvWithRetro returns the first set environment variable
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// key and corresponding value from the environment
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// variable keys given. It first goes through the retroKeys
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// and end on returning the value corresponding to the currentKey.
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// Note retroKeys should be in order from oldest to most
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// recent retro-compatibility key.
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func (s *Source) getEnvWithRetro(currentKey string,
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retroKeys []string, options ...env.Option) (key string, value *string) {
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// We check retro-compatibility keys first since
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// the current key might be set in the Dockerfile.
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for _, key = range retroKeys {
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value = s.env.Get(key, options...)
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if value != nil {
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s.onRetroActive(key, currentKey)
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return key, value
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}
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}
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return currentKey, s.env.Get(currentKey, options...)
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}
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