discovery

Documentation

Index

• type AnnounceResolver
• type Announcer
• type Instance
  • func NewInstance(endpoint string, meta InstanceMeta) Instance
• type InstanceMeta
• type Resolver
• type Service
  • func (s *Service) String() string

Types

type AnnounceResolver

type AnnounceResolver interface {
	Resolver
	Announcer
}

AnnounceResolver groups Announcer and Resolver interfaces.

type Announcer

type Announcer interface {
	Announce(string, Instance) error
}

Announcer describes something that can announce a service instance to make it available for discovery.

type Instance

type Instance struct {
	ID       string
	Endpoint string
	Meta     InstanceMeta
}

TODO: Add possibility to update announced instance metadata. Instance represents an RPC instance, usually this map to one process.

func NewInstance

func NewInstance(endpoint string, meta InstanceMeta) Instance

NewInstance creates a new Instance.

type InstanceMeta

type InstanceMeta map[string]interface{}

InstanceMeta represents metadata associated with an instance.

type Resolver

type Resolver interface {
	Resolve(string) (*Service, error)
}

Resolver describes something that can resolve services from name.

type Service

type Service struct {
	Name      string
	Instances []Instance
}

Service represents an RPC service, which is an abstract definition of RPC instances announced under the same name.

func (*Service) String

func (s *Service) String() string

String returns a representation string of service.