controller

type ApplyBuilder interface {
	CreateApply(target model.ClusterState, step model.Step) runner.Runnable
}

type ClusterGetter interface {
	// GetCluster returns the cluster or an error.
	GetCluster() (model.Cluster, error)
}

type ClusterGraph interface {
	// GetResourcesForHost returns the resource dependencies or an error given a specific host
	GetResourcesForHost(hostname string) ([]string, error)
}

type Controller interface {
	WorkspaceSelecter
	ClusterGetter
	Tainter
	ApplyBuilder
}

type Tainter interface {
	// TaintResources will mark the given resources as bad or returns an error.
	TaintResources(resources []string) error
	// TaintHost will mark a Host as bad or returns an error.
	TaintHost(hostname string) error
}

type WorkspaceSelecter interface {
	// SelectWorkspace changes the workspace used.
	// If an empty string is supplied, the current workspace is used.
	SelectWorkspace(workspace string) error
}