agollo

README

agollo is a golang client for apollo 🚀

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Feature

• Multiple namespace support
• Fail tolerant
• Zero dependency

Required

go 1.9 or later

Installation

    go get -u github.com/philchia/agollo

Usage

Start use default app.properties config file

    agollo.Start()

Start use given config file path

    agollo.StartWithConfFile(name)

Subscribe to updates

    events := agollo.WatchUpdate()
    changeEvent := <-event
    bytes, _ := json.Marshal(changeEvent)
    fmt.Println("event:", string(bytes))

Get apollo values

    agollo.GetStringValue(Key, defaultValue)
    agollo.GetStringValueWithNameSapce(namespace, key, defaultValue)

Get namespace file contents

    agollo.GetNameSpaceContent(namespace, defaultValue)

License

agollo is released under MIT lecense

Documentation

Index

• func GetNameSpaceContent(namespace, defaultValue string) string
• func GetStringValue(key, defaultValue string) string
• func GetStringValueWithNameSapce(namespace, key, defaultValue string) string
• func Start() error
• func StartWithConf(conf *Conf) error
• func StartWithConfFile(name string) error
• func Stop() error
• func WatchUpdate() <-chan *ChangeEvent
• type Change
• type ChangeEvent
• type ChangeType
  • func (c ChangeType) String() string
• type Client
  • func NewClient(conf *Conf) *Client
  • func (c *Client) GetNameSpaceContent(namespace, defaultValue string) string
  • func (c *Client) GetStringValue(key, defaultValue string) string
  • func (c *Client) GetStringValueWithNameSapce(namespace, key, defaultValue string) string
  • func (c *Client) Start() error
  • func (c *Client) Stop() error
  • func (c *Client) WatchUpdate() <-chan *ChangeEvent
• type Conf
  • func NewConf(name string) (*Conf, error)

Functions

func GetNameSpaceContent

func GetNameSpaceContent(namespace, defaultValue string) string

GetNameSpaceContent get contents of namespace

func GetStringValue

func GetStringValue(key, defaultValue string) string

GetStringValue from default namespace

func GetStringValueWithNameSapce

func GetStringValueWithNameSapce(namespace, key, defaultValue string) string

GetStringValueWithNameSapce get value from given namespace

func Start

func Start() error

Start agollo

func StartWithConf

func StartWithConf(conf *Conf) error

StartWithConf run agollo with Conf

func StartWithConfFile

func StartWithConfFile(name string) error

StartWithConfFile run agollo with conf file

func Stop

func Stop() error

Stop sync config

func WatchUpdate

func WatchUpdate() <-chan *ChangeEvent

WatchUpdate get all updates

Types

type Change

type Change struct {
	OldValue   string
	NewValue   string
	ChangeType ChangeType
}

Change represent a single key change

type ChangeEvent

type ChangeEvent struct {
	Namespace string
	Changes   map[string]*Change
}

ChangeEvent change event

type ChangeType

type ChangeType int

ChangeType for a key

const (
	// ADD a new value
	ADD ChangeType = iota
	// MODIFY a old value
	MODIFY
	// DELETE ...
	DELETE
)

func (ChangeType) String

func (c ChangeType) String() string

type Client

type Client struct {
	// contains filtered or unexported fields
}

Client for apollo

func NewClient

func NewClient(conf *Conf) *Client

NewClient create client from conf

func (*Client) GetNameSpaceContent

func (c *Client) GetNameSpaceContent(namespace, defaultValue string) string

GetNameSpaceContent get contents of namespace

func (*Client) GetStringValue

func (c *Client) GetStringValue(key, defaultValue string) string

GetStringValue from default namespace

func (*Client) GetStringValueWithNameSapce

func (c *Client) GetStringValueWithNameSapce(namespace, key, defaultValue string) string

GetStringValueWithNameSapce get value from given namespace

func (*Client) Start

func (c *Client) Start() error

Start sync config

func (*Client) Stop

func (c *Client) Stop() error

Stop sync config

func (*Client) WatchUpdate

func (c *Client) WatchUpdate() <-chan *ChangeEvent

WatchUpdate get all updates

type Conf

type Conf struct {
	AppID          string   `json:"appId,omitempty"`
	Cluster        string   `json:"cluster,omitempty"`
	NameSpaceNames []string `json:"namespaceNames,omitempty"`
	IP             string   `json:"ip,omitempty"`
}

Conf ...

func NewConf

func NewConf(name string) (*Conf, error)

NewConf create Conf from file