vsphere

type Querier interface {
	// GetHostFromVMID gets ESX server's hostname from VMID.
	GetHostFromVMID(vmid string) (string, error)

	// GetHostnameFromVMID gets the hostname of a virtual machine identified by
	// VMID. Empty string will be returned if it isn't found.
	GetHostnameFromVMID(hostname string) string

	// GetVMIDFromHostname gets the vSphere VMID from the virtual machine's
	// hostname. Empty string will be returned if it isn't found.
	GetVMIDFromHostname(vmid string) string
}

type Rule struct {
	Name     string
	VMs      []string
	Affinity bool
}

type Vsphere interface {
	// Apply affinity rule to a list of vms so that DRS will schedule them on the
	// same host
	ApplyAffinityRule(name string, vms ...string) error

	// Apply anti-affinity rule to a list of vms so that DRS will schedule them on
	// different hosts
	ApplyAntiAffinityRule(name string, vms ...string) error

	// DeleteAffinityRule deletes an affinity rule
	DeleteAffinityRule(name string) error

	// DeleteAntiAffinityRule deletes an anti-affinity rule
	DeleteAntiAffinityRule(name string) error

	// Rules returns the applied VM-to-VM affinity and anti-affinity rules
	Rules() map[string]Rule

	// Logout signs off the session
	Logout()

	// Client returns the govmomi client
	Client() *govmomi.Client

	Querier
}