cloudprovider

type Factory func(config io.Reader) (Interface, error)

type Instances interface {
	// IPAddress returns an IP address of the specified instance.
	IPAddress(name string) (net.IP, error)
	// List lists instances that match 'filter' which is a regular expression which must match the entire instance name (fqdn)
	List(filter string) ([]string, error)
	// GetNodeResources gets the resources for a particular node
	GetNodeResources(name string) (*api.NodeResources, error)
}

type Interface interface {
	// TCPLoadBalancer returns a balancer interface. Also returns true if the interface is supported, false otherwise.
	TCPLoadBalancer() (TCPLoadBalancer, bool)
	// Instances returns an instances interface. Also returns true if the interface is supported, false otherwise.
	Instances() (Instances, bool)
	// Zones returns a zones interface. Also returns true if the interface is supported, false otherwise.
	Zones() (Zones, bool)
}

type TCPLoadBalancer interface {
	// TCPLoadBalancerExists returns whether the specified load balancer exists.
	// TODO: Break this up into different interfaces (LB, etc) when we have more than one type of service
	TCPLoadBalancerExists(name, region string) (bool, error)
	// CreateTCPLoadBalancer creates a new tcp load balancer.
	CreateTCPLoadBalancer(name, region string, port int, hosts []string) error
	// UpdateTCPLoadBalancer updates hosts under the specified load balancer.
	UpdateTCPLoadBalancer(name, region string, hosts []string) error
	// DeleteTCPLoadBalancer deletes a specified load balancer.
	DeleteTCPLoadBalancer(name, region string) error
}

type Zone struct {
	FailureDomain string
	Region        string
}

type Zones interface {
	// GetZone returns the Zone containing the current failure zone and locality region that the program is running in
	GetZone() (Zone, error)
}