Pause, Resume, Release&Reopen, Add and Remove Logging from command line (#11777)

* Make LogDescriptions race safe

* Add manager commands for pausing, resuming, adding and removing loggers

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Placate lint

* Ensure that file logger is run!

* Add support for smtp and conn

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Add release-and-reopen

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>

modules/log/smtp.go

@@ -97,6 +97,11 @@ func (log *SMTPLogger) sendMail(p []byte) (int, error) {
 func (log *SMTPLogger) Flush() {
 }
 
+// ReleaseReopen does nothing
+func (log *SMTPLogger) ReleaseReopen() error {
+	return nil
+}
+
 // GetName returns the default name for this implementation
 func (log *SMTPLogger) GetName() string {
 	return "smtp"