Refactor ValidateConfig of all receivers to accept only what is needed #61
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| @@ -42,6 +44,10 @@ type FactoryConfig struct { | |||
| Logger logging.Logger | |||
| } | |||
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| func (fc *FactoryConfig) Decrypt(key, fallback string) string { | |||
| return fc.DecryptFunc(context.Background(), fc.Config.SecureSettings, key, fallback) | |||
| } | |||
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This is a wrapper to hide secure settings and context from notifier's config builder
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Figured it out - this is a nice change - not sure if that context.Background() might cause us more hard than good in the end but let's roll with it for now.
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Why?
To hide implementation details of secrets storage from config parser, and reduce the scope for functions NewConfig. The context will be enclosed upstream (in Grafana) where it makes sense because it provides a secret service that requires context.
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| func NewFactoryConfigForValidateConfigTesting(t *testing.T, m *receivers.NotificationChannelConfig) (receivers.FactoryConfig, error) { | ||
| tmpl := templates.ForTests(t) | ||
| tmpl.ExternalURL = ParseURLUnsafe("http://localhost") | ||
| return receivers.NewFactoryConfig(m, nil, DecryptForTesting, tmpl, &images.UnavailableImageStore{}, func(ctx ...interface{}) logging.Logger { | ||
| return &logging.FakeLogger{} | ||
| }, "1.2.3") | ||
| } | ||
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I'm assuming that all this setup (the templates, the logger, etc) was never used in the places where we setup this configuration?
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Pretty much, yes
| @@ -42,6 +44,10 @@ type FactoryConfig struct { | |||
| Logger logging.Logger | |||
| } | |||
|
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| func (fc *FactoryConfig) Decrypt(key, fallback string) string { | |||
| return fc.DecryptFunc(context.Background(), fc.Config.SecureSettings, key, fallback) | |||
| } | |||
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Figured it out - this is a nice change - not sure if that context.Background() might cause us more hard than good in the end but let's roll with it for now.
Currently, every ValidateConfig accepts entire
receivers.FactoryConfigand takes only 3 fields at best: raw settings, secure settings map, and decrypt function.This PR refactors those functions to accept only two parameters (sometimes one):
func(key string, fallback string) stringas you can see it does not accept the secure settings (and context). The reason is to hide the way secure settings are stored.Also, currently, some functions return
Configstruct and some pointer*Config. This PR refactors those that return pointer to return struct.No public API of this package are changed.