registry

package
v1.6.4 Latest Latest
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Published: Apr 16, 2023 License: MIT Imports: 12 Imported by: 5

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	// Flag pflag.FlagSet for registry
	Flag = pflag.NewFlagSet("registry", pflag.ExitOnError)

	DefaultRegistry        Registry
	DefaultRegistryTimeout = time.Second * 3

	// ErrNotFound not found error when GetService is called
	ErrNotFound = errors.New("service not found")
	// ErrWatcherStopped watcher stopped error when watcher is stopped
	ErrWatcherStopped = errors.New("watcher stopped")
)
View Source
var (
	ErrInvalidLengthRegistry        = fmt.Errorf("proto: negative length found during unmarshaling")
	ErrIntOverflowRegistry          = fmt.Errorf("proto: integer overflow")
	ErrUnexpectedEndOfGroupRegistry = fmt.Errorf("proto: unexpected end of group")
)

Functions

func Deregister

func Deregister(ctx context.Context, s *Service) error

Deregister a service node

func Register

func Register(ctx context.Context, s *Service, opts ...RegisterOption) error

Register a service node. Additionally supply options such as TTL.

func String

func String() string

Types

type DeregisterOption

type DeregisterOption func(*DeregisterOptions)

type DeregisterOptions

type DeregisterOptions struct {
}

type Endpoint added in v0.23.0

type Endpoint struct {
	Name     string            `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	Request  *Value            `protobuf:"bytes,2,opt,name=request,proto3" json:"request,omitempty"`
	Response *Value            `protobuf:"bytes,3,opt,name=response,proto3" json:"response,omitempty"`
	Metadata map[string]string `` /* 157-byte string literal not displayed */
}

Endpoint is a endpoint provided by a service

func (*Endpoint) DeepCopyInto added in v1.5.6

func (in *Endpoint) DeepCopyInto(out *Endpoint)

DeepCopyInto is an auto-generated deepcopy function, coping the receiver, writing into out. in must be no-nil.

func (*Endpoint) Descriptor added in v1.5.6

func (*Endpoint) Descriptor() ([]byte, []int)

func (*Endpoint) Marshal added in v1.5.6

func (m *Endpoint) Marshal() (dAtA []byte, err error)

func (*Endpoint) MarshalTo added in v1.5.6

func (m *Endpoint) MarshalTo(dAtA []byte) (int, error)

func (*Endpoint) MarshalToSizedBuffer added in v1.5.6

func (m *Endpoint) MarshalToSizedBuffer(dAtA []byte) (int, error)

func (*Endpoint) ProtoMessage added in v1.5.6

func (*Endpoint) ProtoMessage()

func (*Endpoint) Reset added in v1.5.6

func (m *Endpoint) Reset()

func (*Endpoint) String added in v1.5.6

func (m *Endpoint) String() string

func (*Endpoint) Unmarshal added in v1.5.6

func (m *Endpoint) Unmarshal(dAtA []byte) error

func (*Endpoint) XSize added in v1.5.6

func (m *Endpoint) XSize() (n int)

func (*Endpoint) XXX_DiscardUnknown added in v1.5.6

func (m *Endpoint) XXX_DiscardUnknown()

func (*Endpoint) XXX_Marshal added in v1.5.6

func (m *Endpoint) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*Endpoint) XXX_Merge added in v1.5.6

func (m *Endpoint) XXX_Merge(src proto.Message)

func (*Endpoint) XXX_Size added in v1.5.6

func (m *Endpoint) XXX_Size() int

func (*Endpoint) XXX_Unmarshal added in v1.5.6

func (m *Endpoint) XXX_Unmarshal(b []byte) error

type Event added in v0.23.0

type Event struct {
	// Event Id
	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
	// type of event
	Type string `protobuf:"bytes,2,opt,name=type,proto3" json:"type,omitempty"`
	// unix timestamp of event
	Timestamp int64 `protobuf:"varint,3,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
	// service entry
	Service *Service `protobuf:"bytes,4,opt,name=service,proto3" json:"service,omitempty"`
}

Event is registry event

func (*Event) DeepCopyInto added in v1.5.6

func (in *Event) DeepCopyInto(out *Event)

DeepCopyInto is an auto-generated deepcopy function, coping the receiver, writing into out. in must be no-nil.

func (*Event) Descriptor added in v1.5.6

func (*Event) Descriptor() ([]byte, []int)

func (*Event) Marshal added in v1.5.6

func (m *Event) Marshal() (dAtA []byte, err error)

func (*Event) MarshalTo added in v1.5.6

func (m *Event) MarshalTo(dAtA []byte) (int, error)

func (*Event) MarshalToSizedBuffer added in v1.5.6

func (m *Event) MarshalToSizedBuffer(dAtA []byte) (int, error)

func (*Event) ProtoMessage added in v1.5.6

func (*Event) ProtoMessage()

func (*Event) Reset added in v1.5.6

func (m *Event) Reset()

func (*Event) String added in v1.5.6

func (m *Event) String() string

func (*Event) Unmarshal added in v1.5.6

func (m *Event) Unmarshal(dAtA []byte) error

func (*Event) XSize added in v1.5.6

func (m *Event) XSize() (n int)

func (*Event) XXX_DiscardUnknown added in v1.5.6

func (m *Event) XXX_DiscardUnknown()

func (*Event) XXX_Marshal added in v1.5.6

func (m *Event) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*Event) XXX_Merge added in v1.5.6

func (m *Event) XXX_Merge(src proto.Message)

func (*Event) XXX_Size added in v1.5.6

func (m *Event) XXX_Size() int

func (*Event) XXX_Unmarshal added in v1.5.6

func (m *Event) XXX_Unmarshal(b []byte) error

type GetOption

type GetOption func(*GetOptions)

type GetOptions

type GetOptions struct {
}

type ListOption

type ListOption func(*ListOptions)

type ListOptions

type ListOptions struct {
}

type Node added in v0.23.0

type Node struct {
	Id       string            `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
	Address  string            `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
	Port     int64             `protobuf:"varint,3,opt,name=port,proto3" json:"port,omitempty"`
	Metadata map[string]string `` /* 157-byte string literal not displayed */
}

Node represents the node the service is on

func (*Node) DeepCopyInto added in v1.5.6

func (in *Node) DeepCopyInto(out *Node)

DeepCopyInto is an auto-generated deepcopy function, coping the receiver, writing into out. in must be no-nil.

func (*Node) Descriptor added in v1.5.6

func (*Node) Descriptor() ([]byte, []int)

func (*Node) Marshal added in v1.5.6

func (m *Node) Marshal() (dAtA []byte, err error)

func (*Node) MarshalTo added in v1.5.6

func (m *Node) MarshalTo(dAtA []byte) (int, error)

func (*Node) MarshalToSizedBuffer added in v1.5.6

func (m *Node) MarshalToSizedBuffer(dAtA []byte) (int, error)

func (*Node) ProtoMessage added in v1.5.6

func (*Node) ProtoMessage()

func (*Node) Reset added in v1.5.6

func (m *Node) Reset()

func (*Node) String added in v1.5.6

func (m *Node) String() string

func (*Node) Unmarshal added in v1.5.6

func (m *Node) Unmarshal(dAtA []byte) error

func (*Node) XSize added in v1.5.6

func (m *Node) XSize() (n int)

func (*Node) XXX_DiscardUnknown added in v1.5.6

func (m *Node) XXX_DiscardUnknown()

func (*Node) XXX_Marshal added in v1.5.6

func (m *Node) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*Node) XXX_Merge added in v1.5.6

func (m *Node) XXX_Merge(src proto.Message)

func (*Node) XXX_Size added in v1.5.6

func (m *Node) XXX_Size() int

func (*Node) XXX_Unmarshal added in v1.5.6

func (m *Node) XXX_Unmarshal(b []byte) error

type OpenAPIOption

type OpenAPIOption func(*OpenAPIOptions)

type OpenAPIOptions

type OpenAPIOptions struct {
}

type Option

type Option func(*Options)

func Addrs

func Addrs(addrs ...string) Option

Addrs is the registry addresses to use

func Secure

func Secure(b bool) Option

Secure communication with the registry

func TLSConfig

func TLSConfig(t *tls.Config) Option

TLSConfig Specify TLS Config

func Timeout

func Timeout(t time.Duration) Option

type Options

type Options struct {
	Addrs     []string
	Timeout   time.Duration
	Secure    bool
	TLSConfig *tls.Config
	// Other options for implementations of the interface
	// can be stored in a context
	Context context.Context
}

type RegisterOption

type RegisterOption func(*RegisterOptions)

func RegisterTTL

func RegisterTTL(t time.Duration) RegisterOption

type RegisterOptions

type RegisterOptions struct {
	TTL time.Duration
}

type Registry

type Registry interface {
	Init(...Option) error
	Options() Options
	Register(context.Context, *Service, ...RegisterOption) error
	Deregister(context.Context, *Service, ...DeregisterOption) error
	GetService(context.Context, string, ...GetOption) ([]*Service, error)
	ListServices(context.Context, ...ListOption) ([]*Service, error)
	Watch(context.Context, ...WatchOption) (Watcher, error)
	String() string
}

Registry the registry provides an interface for service discovery and an abstraction over varying implementations {consul, etcd, zookeeper, ...}

type Result added in v0.23.0

type Result struct {
	Action    string   `protobuf:"bytes,1,opt,name=action,proto3" json:"action,omitempty"`
	Service   *Service `protobuf:"bytes,2,opt,name=service,proto3" json:"service,omitempty"`
	Timestamp int64    `protobuf:"varint,3,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
}

Result is returns by the watcher

func (*Result) DeepCopyInto added in v1.5.6

func (in *Result) DeepCopyInto(out *Result)

DeepCopyInto is an auto-generated deepcopy function, coping the receiver, writing into out. in must be no-nil.

func (*Result) Descriptor added in v1.5.6

func (*Result) Descriptor() ([]byte, []int)

func (*Result) Marshal added in v1.5.6

func (m *Result) Marshal() (dAtA []byte, err error)

func (*Result) MarshalTo added in v1.5.6

func (m *Result) MarshalTo(dAtA []byte) (int, error)

func (*Result) MarshalToSizedBuffer added in v1.5.6

func (m *Result) MarshalToSizedBuffer(dAtA []byte) (int, error)

func (*Result) ProtoMessage added in v1.5.6

func (*Result) ProtoMessage()

func (*Result) Reset added in v1.5.6

func (m *Result) Reset()

func (*Result) String added in v1.5.6

func (m *Result) String() string

func (*Result) Unmarshal added in v1.5.6

func (m *Result) Unmarshal(dAtA []byte) error

func (*Result) XSize added in v1.5.6

func (m *Result) XSize() (n int)

func (*Result) XXX_DiscardUnknown added in v1.5.6

func (m *Result) XXX_DiscardUnknown()

func (*Result) XXX_Marshal added in v1.5.6

func (m *Result) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*Result) XXX_Merge added in v1.5.6

func (m *Result) XXX_Merge(src proto.Message)

func (*Result) XXX_Size added in v1.5.6

func (m *Result) XXX_Size() int

func (*Result) XXX_Unmarshal added in v1.5.6

func (m *Result) XXX_Unmarshal(b []byte) error

type Service added in v0.23.0

type Service struct {
	Name      string            `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	Version   string            `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
	Metadata  map[string]string `` /* 157-byte string literal not displayed */
	Endpoints []*Endpoint       `protobuf:"bytes,4,rep,name=endpoints,proto3" json:"endpoints,omitempty"`
	Nodes     []*Node           `protobuf:"bytes,5,rep,name=nodes,proto3" json:"nodes,omitempty"`
	Ttl       int64             `protobuf:"varint,6,opt,name=ttl,proto3" json:"ttl,omitempty"`
}

Service represents a vine service

func GetService

func GetService(ctx context.Context, name string) ([]*Service, error)

GetService retrieve a service. A slice is returned since we separate Name/Version.

func ListServices

func ListServices(ctx context.Context) ([]*Service, error)

ListServices list the services. Only returns service names

func (*Service) DeepCopyInto added in v1.5.6

func (in *Service) DeepCopyInto(out *Service)

DeepCopyInto is an auto-generated deepcopy function, coping the receiver, writing into out. in must be no-nil.

func (*Service) Descriptor added in v1.5.6

func (*Service) Descriptor() ([]byte, []int)

func (*Service) Marshal added in v1.5.6

func (m *Service) Marshal() (dAtA []byte, err error)

func (*Service) MarshalTo added in v1.5.6

func (m *Service) MarshalTo(dAtA []byte) (int, error)

func (*Service) MarshalToSizedBuffer added in v1.5.6

func (m *Service) MarshalToSizedBuffer(dAtA []byte) (int, error)

func (*Service) ProtoMessage added in v1.5.6

func (*Service) ProtoMessage()

func (*Service) Reset added in v1.5.6

func (m *Service) Reset()

func (*Service) String added in v1.5.6

func (m *Service) String() string

func (*Service) Unmarshal added in v1.5.6

func (m *Service) Unmarshal(dAtA []byte) error

func (*Service) XSize added in v1.5.6

func (m *Service) XSize() (n int)

func (*Service) XXX_DiscardUnknown added in v1.5.6

func (m *Service) XXX_DiscardUnknown()

func (*Service) XXX_Marshal added in v1.5.6

func (m *Service) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*Service) XXX_Merge added in v1.5.6

func (m *Service) XXX_Merge(src proto.Message)

func (*Service) XXX_Size added in v1.5.6

func (m *Service) XXX_Size() int

func (*Service) XXX_Unmarshal added in v1.5.6

func (m *Service) XXX_Unmarshal(b []byte) error

type Value added in v0.23.0

type Value struct {
	Name   string   `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	Type   string   `protobuf:"bytes,2,opt,name=type,proto3" json:"type,omitempty"`
	Values []*Value `protobuf:"bytes,3,rep,name=values,proto3" json:"values,omitempty"`
}

Value is an opaque value for a request or response

func (*Value) DeepCopyInto added in v1.5.6

func (in *Value) DeepCopyInto(out *Value)

DeepCopyInto is an auto-generated deepcopy function, coping the receiver, writing into out. in must be no-nil.

func (*Value) Descriptor added in v1.5.6

func (*Value) Descriptor() ([]byte, []int)

func (*Value) Marshal added in v1.5.6

func (m *Value) Marshal() (dAtA []byte, err error)

func (*Value) MarshalTo added in v1.5.6

func (m *Value) MarshalTo(dAtA []byte) (int, error)

func (*Value) MarshalToSizedBuffer added in v1.5.6

func (m *Value) MarshalToSizedBuffer(dAtA []byte) (int, error)

func (*Value) ProtoMessage added in v1.5.6

func (*Value) ProtoMessage()

func (*Value) Reset added in v1.5.6

func (m *Value) Reset()

func (*Value) String added in v1.5.6

func (m *Value) String() string

func (*Value) Unmarshal added in v1.5.6

func (m *Value) Unmarshal(dAtA []byte) error

func (*Value) XSize added in v1.5.6

func (m *Value) XSize() (n int)

func (*Value) XXX_DiscardUnknown added in v1.5.6

func (m *Value) XXX_DiscardUnknown()

func (*Value) XXX_Marshal added in v1.5.6

func (m *Value) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*Value) XXX_Merge added in v1.5.6

func (m *Value) XXX_Merge(src proto.Message)

func (*Value) XXX_Size added in v1.5.6

func (m *Value) XXX_Size() int

func (*Value) XXX_Unmarshal added in v1.5.6

func (m *Value) XXX_Unmarshal(b []byte) error

type WatchOption

type WatchOption func(*WatchOptions)

func WatchService

func WatchService(name string) WatchOption

WatchService watches a service

type WatchOptions

type WatchOptions struct {
	// Specify a service to watch
	// If blank, the watch is for all services
	Service string
}

type Watcher

type Watcher interface {
	// Next is a blocking call
	Next() (*Result, error)
	Stop()
}

Watcher is an interface that returns updates about services within the registry.

func Watch

func Watch(ctx context.Context, opts ...WatchOption) (Watcher, error)

Watch returns a watcher which allows you to track updates to the registry.

Directories

Path Synopsis
Package mdns provides a multicast dns registry
Package mdns provides a multicast dns registry
Package memory provides an in-memory registry
Package memory provides an in-memory registry

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