registry

package
v1.2.0 Latest Latest
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 Go to latest Published: Sep 13, 2021 License: MIT Imports: 4 Imported by: 5

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	DefaultRegistry Registry

	// 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")
)

Functions

func Deregister 

func Deregister(s *Service) error

Deregister a service node

func Register 

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

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

func String 

func String() string

Types

type APIKeysSecurity added in v0.23.0 

type APIKeysSecurity struct {
	Type string `json:"type,omitempty"`
	// header
	In   string `json:"in,omitempty"`
	Name string `json:"name,omitempty"`
}

APIKeysSecurity is swagger API keys Authorization security (https://swagger.io/docs/specification/authentication/api-keys/)

type ApplicationContent added in v0.23.0 

type ApplicationContent struct {
	Schema *Schema `json:"schema,omitempty"`
}

type BasicSecurity added in v0.23.0 

type BasicSecurity struct {
	// http, apiKey, oauth, openIdConnect
	Type   string `json:"type,omitempty"`
	Scheme string `json:"scheme,omitempty"`
}

BasicSecurity is swagger Basic Authorization security (https://swagger.io/docs/specification/authentication/basic-authentication/)

type BearerSecurity added in v0.23.0 

type BearerSecurity struct {
	// http
	Type   string `json:"type,omitempty"`
	Scheme string `json:"scheme,omitempty"`
	// JWT
	BearerFormat string `json:"bearerFormat,omitempty"`
}

BearerSecurity is swagger Bearer Authorization security (https://swagger.io/docs/specification/authentication/bearer-authentication/)

type DeregisterOption 

type DeregisterOption func(*DeregisterOptions)

func DeregisterContext 

func DeregisterContext(ctx context.Context) DeregisterOption

type DeregisterOptions 

type DeregisterOptions struct {
	Context context.Context
}

type Endpoint added in v0.23.0 

type Endpoint struct {
	Name     string            `json:"name,omitempty"`
	Request  *Value            `json:"request,omitempty"`
	Response *Value            `json:"response,omitempty"`
	Metadata map[string]string `json:"metadata,omitempty"`
}

Endpoint is a endpoint provided by a service

type Event added in v0.23.0 

type Event struct {
	// Event Id
	Id string `json:"id,omitempty"`
	// type of event
	Type EventType `json:"type,omitempty"`
	// unix timestamp of event
	Timestamp int64 `json:"timestamp,omitempty"`
	// service entry
	Service *Service `json:"service,omitempty"`
}

Event is registry event

type EventType added in v0.23.0 

type EventType string
const (
	EventCreate EventType = "Create"
	EventUpdate EventType = "Update"
	EventDelete EventType = "Delete"
)

type GetOption 

type GetOption func(*GetOptions)

func GetContext 

func GetContext(ctx context.Context) GetOption

type GetOptions 

type GetOptions struct {
	Context context.Context
}

type ListOption 

type ListOption func(*ListOptions)

func ListContext 

func ListContext(ctx context.Context) ListOption

type ListOptions 

type ListOptions struct {
	Context context.Context
}

type Model added in v0.23.0 

type Model struct {
	// string, number, integer, boolean, array, object
	Type       string             `json:"type,omitempty"`
	Properties map[string]*Schema `json:"properties,omitempty"`
	Required   []string           `json:"required,omitempty"`
}

Model is swagger data models (https://swagger.io/docs/specification/data-models/)

type Node added in v0.23.0 

type Node struct {
	Id       string            `json:"id,omitempty"`
	Address  string            `json:"address,omitempty"`
	Port     int64             `json:"port,omitempty"`
	Metadata map[string]string `json:"metadata,omitempty"`
}

Node represents the node the service is on

type OpenAPI added in v0.23.0 

type OpenAPI struct {
	Openapi      string                  `json:"openapi,omitempty"`
	Info         *OpenAPIInfo            `json:"info,omitempty"`
	ExternalDocs *OpenAPIExternalDocs    `json:"externalDocs,omitempty"`
	Servers      []*OpenAPIServer        `json:"servers,omitempty"`
	Tags         []*OpenAPITag           `json:"tags,omitempty"`
	Paths        map[string]*OpenAPIPath `json:"paths,omitempty"`
	Components   *OpenAPIComponents      `json:"components,omitempty"`
}

type OpenAPIComponents added in v0.23.0 

type OpenAPIComponents struct {
	SecuritySchemes *SecuritySchemes  `json:"securitySchemes,omitempty"`
	Schemas         map[string]*Model `json:"schemas,omitempty"`
}

type OpenAPIContact added in v0.23.0 

type OpenAPIContact struct {
	Name  string `json:"name,omitempty"`
	Email string `json:"email,omitempty"`
}

type OpenAPIExternalDocs added in v0.23.0 

type OpenAPIExternalDocs struct {
	Description string `json:"description,omitempty"`
	Url         string `json:"url,omitempty"`
}

type OpenAPIInfo added in v0.23.0 

type OpenAPIInfo struct {
	Title          string          `json:"title,omitempty"`
	Description    string          `json:"description,omitempty"`
	TermsOfService string          `json:"termsOfService,omitempty"`
	Contact        *OpenAPIContact `json:"contact,omitempty"`
	License        *OpenAPILicense `json:"license,omitempty"`
	Version        string          `json:"version,omitempty"`
}

type OpenAPILicense added in v0.23.0 

type OpenAPILicense struct {
	Name string `json:"name,omitempty"`
	Url  string `json:"url,omitempty"`
}

type OpenAPIOption 

type OpenAPIOption func(*OpenAPIOptions)

type OpenAPIOptions 

type OpenAPIOptions struct {
	Context context.Context
}

type OpenAPIPath added in v0.23.0 

type OpenAPIPath struct {
	Get    *OpenAPIPathDocs `json:"get,omitempty"`
	Post   *OpenAPIPathDocs `json:"post,omitempty"`
	Put    *OpenAPIPathDocs `json:"put,omitempty"`
	Patch  *OpenAPIPathDocs `json:"patch,omitempty"`
	Delete *OpenAPIPathDocs `json:"delete,omitempty"`
}

type OpenAPIPathDocs added in v0.23.0 

type OpenAPIPathDocs struct {
	Tags        []string                 `json:"tags,omitempty"`
	Summary     string                   `json:"summary,omitempty"`
	Description string                   `json:"description,omitempty"`
	OperationId string                   `json:"operationId,omitempty"`
	Deprecated  bool                     `json:"deprecated,omitempty"`
	RequestBody *PathRequestBody         `json:"requestBody,omitempty"`
	Parameters  []*PathParameters        `json:"parameters,omitempty"`
	Responses   map[string]*PathResponse `json:"responses,omitempty"`
	Security    []*PathSecurity          `json:"security,omitempty"`
}

type OpenAPIServer added in v0.23.0 

type OpenAPIServer struct {
	Url         string `json:"url,omitempty"`
	Description string `json:"Description,omitempty"`
}

type OpenAPITag added in v0.23.0 

type OpenAPITag struct {
	Name         string               `json:"name,omitempty"`
	Description  string               `json:"description,omitempty"`
	ExternalDocs *OpenAPIExternalDocs `json:"externalDocs,omitempty"`
}

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 PathParameters added in v0.23.0 

type PathParameters struct {
	// query, cookie, path
	In              string  `json:"in,omitempty"`
	Name            string  `json:"name,omitempty"`
	Required        bool    `json:"required,omitempty"`
	Description     string  `json:"description,omitempty"`
	AllowReserved   bool    `json:"allowReserved,omitempty"`
	Style           string  `json:"style,omitempty"`
	Explode         bool    `json:"explode,omitempty"`
	AllowEmptyValue bool    `json:"allowEmptyValue,omitempty"`
	Schema          *Schema `json:"schema,omitempty"`
	Example         string  `json:"example,omitempty"`
}

type PathRequestBody added in v0.23.0 

type PathRequestBody struct {
	Description string                  `json:"description,omitempty"`
	Required    bool                    `json:"required,omitempty"`
	Content     *PathRequestBodyContent `json:"content,omitempty"`
}

type PathRequestBodyContent added in v0.23.0 

type PathRequestBodyContent struct {
	ApplicationJson *ApplicationContent `json:"application/json,omitempty"`
	ApplicationXml  *ApplicationContent `json:"application/xml,omitempty"`
}

type PathResponse added in v0.23.0 

type PathResponse struct {
	Description string                  `json:"description,omitempty"`
	Content     *PathRequestBodyContent `json:"content,omitempty"`
}

PathResponse is swagger path response

type PathSecurity added in v0.23.0 

type PathSecurity struct {
	Basic   []string `json:"basic,omitempty"`
	ApiKeys []string `json:"apiKeys,omitempty"`
	Bearer  []string `json:"bearer,omitempty"`
}

type RegisterOption 

type RegisterOption func(*RegisterOptions)

func RegisterContext 

func RegisterContext(ctx context.Context) RegisterOption

func RegisterTTL 

func RegisterTTL(t time.Duration) RegisterOption

type RegisterOptions 

type RegisterOptions struct {
	TTL time.Duration
	// Other options for implementations of the interface
	// can be stored in a context
	Context context.Context
}

type Registry 

type Registry interface {
	Init(...Option) error
	Options() Options
	Register(*Service, ...RegisterOption) error
	Deregister(*Service, ...DeregisterOption) error
	GetService(string, ...GetOption) ([]*Service, error)
	ListServices(...ListOption) ([]*Service, error)
	Watch(...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   `json:"action,omitempty"`
	Service   *Service `json:"service,omitempty"`
	Timestamp int64    `json:"timestamp,omitempty"`
}

Result is returns by the watcher

type Schema added in v0.23.0 

type Schema struct {
	Type                 string            `json:"type,omitempty"`
	Format               string            `json:"format,omitempty"`
	Description          string            `json:"description,omitempty"`
	Example              string            `json:"example,omitempty"`
	Pattern              string            `json:"pattern,omitempty"`
	Nullable             bool              `json:"nullable,omitempty"`
	ReadOnly             bool              `json:"readOnly,omitempty"`
	WriteOnly            bool              `json:"writeOnly,omitempty"`
	Required             bool              `json:"required,omitempty"`
	Ref                  string            `json:"$ref,omitempty"`
	Default              string            `json:"default,omitempty"`
	MinLength            int32             `json:"minLength,omitempty"`
	MaxLength            int32             `json:"maxLength,omitempty"`
	MultipleOf           int32             `json:"multipleOf,omitempty"`
	Minimum              int32             `json:"minimum,omitempty"`
	ExclusiveMinimum     bool              `json:"exclusiveMinimum,omitempty"`
	Maximum              int32             `json:"maximum,omitempty"`
	ExclusiveMaximum     bool              `json:"exclusiveMaximum,omitempty"`
	Enum                 []string          `json:"enum,omitempty"`
	Items                *Schema           `json:"items,omitempty"`
	Parameters           []*PathParameters `json:"parameters,omitempty"`
	AdditionalProperties *Schema           `json:"additionalProperties,omitempty"`
}

type SecuritySchemes added in v0.23.0 

type SecuritySchemes struct {
	Basic   *BasicSecurity   `json:"basic,omitempty"`
	ApiKeys *APIKeysSecurity `json:"apiKeys,omitempty"`
	Bearer  *BearerSecurity  `json:"bearer,omitempty"`
}

type Service added in v0.23.0 

type Service struct {
	Name      string            `json:"name,omitempty"`
	Version   string            `json:"version,omitempty"`
	Metadata  map[string]string `json:"metadata,omitempty"`
	Endpoints []*Endpoint       `json:"endpoints,omitempty"`
	Nodes     []*Node           `json:"nodes,omitempty"`
	TTL       int64             `json:"ttl,omitempty"`
	Apis      []*OpenAPI        `json:"apis,omitempty"`
}

Service represents a vine service

func GetService 

func GetService(name string) ([]*Service, error)

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

func ListServices 

func ListServices() ([]*Service, error)

ListServices list the services. Only returns service names

type Value added in v0.23.0 

type Value struct {
	Name   string   `json:"name,omitempty"`
	Type   string   `json:"type,omitempty"`
	Values []*Value `json:"values,omitempty"`
}

Value is an opaque value for a request or response

type WatchOption 

type WatchOption func(*WatchOptions)

func WatchContext 

func WatchContext(ctx context.Context) WatchOption

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
	// Other options for implementations of the interface
	// can be stored in a context
	Context context.Context
}

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(opts ...WatchOption) (Watcher, error)

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

Source Files

View all Source files

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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