Back to

Package naming

Latest Go to latest

The latest major version is .

Published: Jan 20, 2020 | License: MIT | Module:



const (
	MetaWeight  = "weight"
	MetaCluster = "cluster"
	MetaZone    = "zone"
	MetaColor   = "color"

metadata common key

type BuildOpt

type BuildOpt interface {

BuildOpt build option interface.

func Filter

func Filter(schema string, clusters map[string]struct{}) BuildOpt

Filter filter option.

func ScheduleNode

func ScheduleNode(clientZone string) BuildOpt

ScheduleNode ScheduleNode option.

func Subset

func Subset(defaultSize int) BuildOpt

Subset Subset option.

type BuildOptions

type BuildOptions struct {
	Filter     func(map[string][]*Instance) map[string][]*Instance
	Subset     func([]*Instance, int) []*Instance
	SubsetSize int
	ClientZone string
	Scheduler  func(*InstancesInfo) []*Instance

BuildOptions build options.

type Builder

type Builder interface {
	Build(id string, options ...BuildOpt) Resolver
	Scheme() string

Builder resolver builder.

type Instance

type Instance struct {
	// Region is region.
	Region string `json:"region"`
	// Zone is IDC.
	Zone string `json:"zone"`
	// Env prod/pre、uat/fat1
	Env string `json:"env"`
	// AppID is mapping servicetree appid.
	AppID string `json:"appid"`
	// Hostname is hostname from docker.
	Hostname string `json:"hostname"`
	// Addrs is the address of app instance
	// format: scheme://host
	Addrs []string `json:"addrs"`
	// Version is publishing version.
	Version string `json:"version"`
	// LastTs is instance latest updated timestamp
	LastTs int64 `json:"latest_timestamp"`
	// Metadata is the information associated with Addr, which may be used
	// to make load balancing decision.
	Metadata map[string]string `json:"metadata"`
	// Status instance status, eg: 1UP 2Waiting
	Status int64 `json:"status"`

Instance represents a server the client connects to.

type InstancesInfo

type InstancesInfo struct {
	Instances map[string][]*Instance `json:"instances"`
	LastTs    int64                  `json:"latest_timestamp"`
	Scheduler *Scheduler             `json:"scheduler"`

InstancesInfo instance info.

type Registry

type Registry interface {
	Register(ctx context.Context, ins *Instance) (cancel context.CancelFunc, err error)
	Close() error

Registry Register an instance and renew automatically.

type Resolver

type Resolver interface {
	Fetch(context.Context) (*InstancesInfo, bool)
	Watch() <-chan struct{}
	Close() error

Resolver resolve naming service

type Scheduler

type Scheduler struct {
	Clients map[string]*ZoneStrategy `json:"clients"`

Scheduler scheduler.

type Strategy

type Strategy struct {
	Weight int64 `json:"weight"`

Strategy is zone scheduling strategy.

type ZoneStrategy

type ZoneStrategy struct {
	Zones map[string]*Strategy `json:"zones"`

ZoneStrategy is the scheduling strategy of all zones

Package Files

Documentation was rendered with GOOS=linux and GOARCH=amd64.

Jump to identifier

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to identifier