func newObserverFn(
controllerConfig controller.Config,
clock clock.Clock,
jujuServerVersion version.Number,
modelUUID string,
persistAuditEntry audit.AuditEntrySinkFn,
auditErrorHandler observer.ErrorHandler,
) observer.ObserverFactory {
var observerFactories []observer.ObserverFactory
// Common logging of RPC requests
observerFactories = append(observerFactories, func() observer.Observer {
logger := loggo.GetLogger("juju.apiserver")
ctx := observer.RequestObserverContext{
Clock: clock,
Logger: logger,
}
return observer.NewRequestObserver(ctx)
})
// Auditing observer
// TODO(katco): Auditing needs feature tests (lp:1604551)
if controllerConfig.AuditingEnabled() {
observerFactories = append(observerFactories, func() observer.Observer {
ctx := &observer.AuditContext{
JujuServerVersion: jujuServerVersion,
ModelUUID: modelUUID,
}
return observer.NewAudit(ctx, persistAuditEntry, auditErrorHandler)
})
}
return observer.ObserverFactoryMultiplexer(observerFactories...)
}
