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backend: add standardized Config.ApplyEnvironment

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This removes the backend specific special cases while parsing the
configuration in `global.go`.
This commit is contained in:
Michael Eischer
2023-04-21 21:51:58 +02:00
parent f903db492c
commit 32a6b66267
8 changed files with 68 additions and 144 deletions
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cmd/restic/global.go
+11 -102
View File
@@ -535,112 +535,21 @@ func OpenRepository(ctx context.Context, opts GlobalOptions) (*repository.Reposi
}
func parseConfig(loc location.Location, opts options.Options) (interface{}, error) {
// only apply options for a particular backend here
opts = opts.Extract(loc.Scheme)
switch loc.Scheme {
case "local":
cfg := loc.Config.(*local.Config)
if err := opts.Apply(loc.Scheme, cfg); err != nil {
cfg := loc.Config
if cfg, ok := cfg.(restic.ApplyEnvironmenter); ok {
if err := cfg.ApplyEnvironment(""); err != nil {
return nil, err
}
debug.Log("opening local repository at %#v", cfg)
return cfg, nil
case "sftp":
cfg := loc.Config.(*sftp.Config)
if err := opts.Apply(loc.Scheme, cfg); err != nil {
return nil, err
}
debug.Log("opening sftp repository at %#v", cfg)
return cfg, nil
case "s3":
cfg := loc.Config.(*s3.Config)
if err := s3.ApplyEnvironment(cfg); err != nil {
return nil, err
}
if err := opts.Apply(loc.Scheme, cfg); err != nil {
return nil, err
}
debug.Log("opening s3 repository at %#v", cfg)
return cfg, nil
case "gs":
cfg := loc.Config.(*gs.Config)
if err := gs.ApplyEnvironment(cfg); err != nil {
return nil, err
}
if err := opts.Apply(loc.Scheme, cfg); err != nil {
return nil, err
}
debug.Log("opening gs repository at %#v", cfg)
return cfg, nil
case "azure":
cfg := loc.Config.(*azure.Config)
if err := azure.ApplyEnvironment(cfg); err != nil {
return nil, err
}
if err := opts.Apply(loc.Scheme, cfg); err != nil {
return nil, err
}
debug.Log("opening gs repository at %#v", cfg)
return cfg, nil
case "swift":
cfg := loc.Config.(*swift.Config)
if err := swift.ApplyEnvironment("", cfg); err != nil {
return nil, err
}
if err := opts.Apply(loc.Scheme, cfg); err != nil {
return nil, err
}
debug.Log("opening swift repository at %#v", cfg)
return cfg, nil
case "b2":
cfg := loc.Config.(*b2.Config)
if err := b2.ApplyEnvironment(cfg); err != nil {
return nil, err
}
if err := opts.Apply(loc.Scheme, cfg); err != nil {
return nil, err
}
debug.Log("opening b2 repository at %#v", cfg)
return cfg, nil
case "rest":
cfg := loc.Config.(*rest.Config)
if err := opts.Apply(loc.Scheme, cfg); err != nil {
return nil, err
}
debug.Log("opening rest repository at %#v", cfg)
return cfg, nil
case "rclone":
cfg := loc.Config.(*rclone.Config)
if err := opts.Apply(loc.Scheme, cfg); err != nil {
return nil, err
}
debug.Log("opening rest repository at %#v", cfg)
return cfg, nil
}
return nil, errors.Fatalf("invalid backend: %q", loc.Scheme)
// only apply options for a particular backend here
opts = opts.Extract(loc.Scheme)
if err := opts.Apply(loc.Scheme, cfg); err != nil {
return nil, err
}
debug.Log("opening %v repository at %#v", loc.Scheme, cfg)
return cfg, nil
}
// Open the backend specified by a location config.