model

type ManifoldsConfig struct {

	// Agent identifies, and exposes configuration for, the controller
	// machine running these manifolds and the model the manifolds
	// should administer.
	//
	// You should almost certainly set this value to one created by
	// model.WrapAgent.
	Agent coreagent.Agent

	// AgentConfigChanged will be set whenever the agent's api config
	// is updated
	AgentConfigChanged *voyeur.Value

	// Clock supplies timing services to any manifolds that need them.
	// Only a few workers have been converted to use them fo far.
	Clock clock.Clock

	// InstPollerAggregationDelay is the delay before sending a batch of
	// requests in the instancpoller.Worker's aggregate loop.
	InstPollerAggregationDelay time.Duration

	// RunFlagDuration defines for how long this controller will ask
	// for model administration rights; most of the workers controlled
	// by this agent will only be started when the run flag is known
	// to be held.
	RunFlagDuration time.Duration

	// CharmRevisionUpdateInterval determines how often the charm-
	// revision worker will check for new revisions of known charms.
	CharmRevisionUpdateInterval time.Duration

	// StatusHistoryPruner* values control status-history pruning
	// behaviour.
	StatusHistoryPrunerMaxHistoryTime time.Duration
	StatusHistoryPrunerMaxHistoryMB   uint
	StatusHistoryPrunerInterval       time.Duration

	// SpacesImportedGate will be unlocked when spaces are known to
	// have been imported.
	SpacesImportedGate gate.Lock

	// NewEnvironFunc is a function opens a provider "environment"
	// (typically environs.New).
	NewEnvironFunc environs.NewEnvironFunc

	// NewMigrationMaster is called to create a new migrationmaster
	// worker.
	NewMigrationMaster func(migrationmaster.Config) (worker.Worker, error)
}