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ipn/ipnext: remove support for unregistering extension

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Updates #12614

Change-Id: I893e3ea74831deaa6f88e31bba2d95dc017e0470
Co-authored-by: Nick Khyl <nickk@tailscale.com>
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2025-04-24 10:49:33 -07:00
committed by Brad Fitzpatrick
parent cb7bf929aa
commit 25c4dc5fd7
5 changed files with 99 additions and 177 deletions
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32
ipn/ipnext/ipnext.go
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@@ -43,6 +43,7 @@ type Extension interface {
// provided the extension was initialized. For multiple extensions,
// Shutdown is called in the reverse order of Init.
// Returned errors are not fatal; they are used for logging.
// After a call to Shutdown, the extension will not be called again.
Shutdown() error
}
@@ -182,9 +183,11 @@ type Host interface {
// RegisterAuditLogProvider registers an audit log provider,
// which returns a function to be called when an auditable action
// is about to be performed. The returned function unregisters the provider.
// It is a runtime error to register a nil provider.
RegisterAuditLogProvider(AuditLogProvider) (unregister func())
// is about to be performed.
//
// It is a runtime error to register a nil provider or call after the host
// has been initialized.
RegisterAuditLogProvider(AuditLogProvider)
// AuditLogger returns a function that calls all currently registered audit loggers.
// The function fails if any logger returns an error, indicating that the action
@@ -195,9 +198,11 @@ type Host interface {
AuditLogger() ipnauth.AuditLogFunc
// RegisterControlClientCallback registers a function to be called every time a new
// control client is created. The returned function unregisters the callback.
// It is a runtime error to register a nil callback.
RegisterControlClientCallback(NewControlClientCallback) (unregister func())
// control client is created.
//
// It is a runtime error to register a nil provider or call after the host
// has been initialized.
RegisterControlClientCallback(NewControlClientCallback)
}
// ExtensionServices provides access to the [Host]'s extension management services,
@@ -252,23 +257,26 @@ type ProfileServices interface {
SwitchToBestProfileAsync(reason string)
// RegisterBackgroundProfileResolver registers a function to be used when
// resolving the background profile. The returned function unregisters the resolver.
// It is a runtime error to register a nil resolver.
// resolving the background profile.
//
// It is a runtime error to register a nil provider or call after the host
// has been initialized.
//
// TODO(nickkhyl): allow specifying some kind of priority/altitude for the resolver.
// TODO(nickkhyl): make it a "profile resolver" instead of a "background profile resolver".
// The concepts of the "current user", "foreground profile" and "background profile"
// only exist on Windows, and we're moving away from them anyway.
RegisterBackgroundProfileResolver(ProfileResolver) (unregister func())
RegisterBackgroundProfileResolver(ProfileResolver)
// RegisterProfileStateChangeCallback registers a function to be called when the current
// [ipn.LoginProfile] or its [ipn.Prefs] change. The returned function unregisters the callback.
// [ipn.LoginProfile] or its [ipn.Prefs] change.
//
// To get the initial profile or prefs, use [ProfileServices.CurrentProfileState]
// or [ProfileServices.CurrentPrefs] from the extension's [Extension.Init].
//
// It is a runtime error to register a nil callback.
RegisterProfileStateChangeCallback(ProfileStateChangeCallback) (unregister func())
// It is a runtime error to register a nil provider or call after the host
// has been initialized.
RegisterProfileStateChangeCallback(ProfileStateChangeCallback)
}
// ProfileStore provides read-only access to available login profiles and their preferences.