event

Documentation

Index

• Constants
• func BuildJanitorEvent(e *Event) (*janitor.TargetChangeEvent, error)
• func BuildResolverEvent(e *Event) (*nameserver.RecordGeneratorChangeEvent, error)
• func SendEventByHttp(addr, method string, data []byte) error
• type DNSSubscriber
  • func NewDNSSubscriber() *DNSSubscriber
  • func (subscriber *DNSSubscriber) AddAcceptor(acceptor types.ResolverAcceptor)
  • func (subscriber *DNSSubscriber) InterestIn(e *Event) bool
  • func (subscriber *DNSSubscriber) RemoveAcceptor(ID string)
  • func (subscriber *DNSSubscriber) Subscribe(bus *EventBus) error
  • func (subscriber *DNSSubscriber) Unsubscribe(bus *EventBus) error
  • func (subscriber *DNSSubscriber) Write(e *Event) error
• type Event
  • func NewEvent(t string, payload interface{}) *Event
• type EventBus
  • func New() *EventBus
  • func (bus *EventBus) Start(ctx context.Context) error
  • func (bus *EventBus) Stop()
• type EventSubscriber
• type JanitorSubscriber
  • func NewJanitorSubscriber() *JanitorSubscriber
  • func (js *JanitorSubscriber) AddAcceptor(acceptor types.JanitorAcceptor)
  • func (js *JanitorSubscriber) InterestIn(e *Event) bool
  • func (js *JanitorSubscriber) RemoveAcceptor(ID string)
  • func (js *JanitorSubscriber) Subscribe(bus *EventBus) error
  • func (js *JanitorSubscriber) Unsubscribe(bus *EventBus) error
  • func (js *JanitorSubscriber) Write(e *Event) error
• type SSESubscriber
  • func NewSSESubscriber(key string, appId string, rw http.ResponseWriter) (*SSESubscriber, chan struct{})
  • func (sse *SSESubscriber) InterestIn(e *Event) bool
  • func (sse *SSESubscriber) Subscribe(bus *EventBus) error
  • func (sse *SSESubscriber) Unsubscribe(bus *EventBus) error
  • func (sses *SSESubscriber) Write(e *Event) error

Constants

const (
	//task_add and task_rm is used for dns/proxy service
	EventTypeTaskHealthy   = "task_healthy"
	EventTypeTaskUnhealthy = "task_unhealthy"

	EventTypeTaskStatePendingOffer   = "task_state_pending_offer"
	EventTypeTaskStatePendingKill    = "task_state_pending_killed"
	EventTypeTaskStateReap           = "task_state_pending_reap"
	EventTypeTaskStateStaging        = "task_state_staging"
	EventTypeTaskStateStarting       = "task_state_starting"
	EventTypeTaskStateRunning        = "task_state_running"
	EventTypeTaskStateKilling        = "task_state_killing"
	EventTypeTaskStateFinished       = "task_state_finished"
	EventTypeTaskStateFailed         = "task_state_failed"
	EventTypeTaskStateKilled         = "task_state_killed"
	EventTypeTaskStateError          = "task_state_error"
	EventTypeTaskStateLost           = "task_state_lost"
	EventTypeTaskStateDropped        = "task_state_dropped"
	EventTypeTaskStateUnreachable    = "task_state_unreachable"
	EventTypeTaskStateGone           = "task_state_gone"
	EventTypeTaskStateGoneByOperator = "task_state_gone_by_operator"
	EventTypeTaskStateUnknown        = "task_state_unknown"

	EventTypeAppStateCreating     = "app_state_creating"
	EventTypeAppStateDeletion     = "app_state_deletion"
	EventTypeAppStateNormal       = "app_state_normal"
	EventTypeAppStateUpdating     = "app_state_updating"
	EventTypeAppStateCancelUpdate = "app_state_cancel_update"
	EventTypeAppStateScaleUp      = "app_state_scale_up"
	EventTypeAppStateScaleDown    = "app_state_scale_down"
)

Functions

func BuildJanitorEvent

func BuildJanitorEvent(e *Event) (*janitor.TargetChangeEvent, error)

func BuildResolverEvent

func BuildResolverEvent(e *Event) (*nameserver.RecordGeneratorChangeEvent, error)

func SendEventByHttp

func SendEventByHttp(addr, method string, data []byte) error

Types

type DNSSubscriber

type DNSSubscriber struct {
	Key string
	// contains filtered or unexported fields
}

func NewDNSSubscriber

func NewDNSSubscriber() *DNSSubscriber

func (*DNSSubscriber) AddAcceptor

func (subscriber *DNSSubscriber) AddAcceptor(acceptor types.ResolverAcceptor)

func (*DNSSubscriber) InterestIn

func (subscriber *DNSSubscriber) InterestIn(e *Event) bool

func (*DNSSubscriber) RemoveAcceptor

func (subscriber *DNSSubscriber) RemoveAcceptor(ID string)

func (*DNSSubscriber) Subscribe

func (subscriber *DNSSubscriber) Subscribe(bus *EventBus) error

func (*DNSSubscriber) Unsubscribe

func (subscriber *DNSSubscriber) Unsubscribe(bus *EventBus) error

func (*DNSSubscriber) Write

func (subscriber *DNSSubscriber) Write(e *Event) error

type Event

type Event struct {
	ID      string
	Type    string
	AppID   string
	AppMode string
	Payload interface{}
}

func NewEvent

func NewEvent(t string, payload interface{}) *Event

type EventBus

type EventBus struct {
	Subscribers map[string]EventSubscriber

	EventChan chan *Event

	Lock sync.Mutex
	// contains filtered or unexported fields
}

func New

func New() *EventBus

func (*EventBus) Start

func (bus *EventBus) Start(ctx context.Context) error

func (*EventBus) Stop

func (bus *EventBus) Stop()

type EventSubscriber

type EventSubscriber interface {
	Write(e *Event) error
	Subscribe(bus *EventBus) error
	Unsubscribe(bus *EventBus) error
	InterestIn(e *Event) bool
}

type JanitorSubscriber

type JanitorSubscriber struct {
	Key string
	// contains filtered or unexported fields
}

func NewJanitorSubscriber

func NewJanitorSubscriber() *JanitorSubscriber

func (*JanitorSubscriber) AddAcceptor

func (js *JanitorSubscriber) AddAcceptor(acceptor types.JanitorAcceptor)

func (*JanitorSubscriber) InterestIn

func (js *JanitorSubscriber) InterestIn(e *Event) bool

func (*JanitorSubscriber) RemoveAcceptor

func (js *JanitorSubscriber) RemoveAcceptor(ID string)

func (*JanitorSubscriber) Subscribe

func (js *JanitorSubscriber) Subscribe(bus *EventBus) error

func (*JanitorSubscriber) Unsubscribe

func (js *JanitorSubscriber) Unsubscribe(bus *EventBus) error

func (*JanitorSubscriber) Write

func (js *JanitorSubscriber) Write(e *Event) error

type SSESubscriber

type SSESubscriber struct {
	Key string
	// contains filtered or unexported fields
}

func NewSSESubscriber

func NewSSESubscriber(key string, appId string, rw http.ResponseWriter) (*SSESubscriber, chan struct{})

func (*SSESubscriber) InterestIn

func (sse *SSESubscriber) InterestIn(e *Event) bool

func (*SSESubscriber) Subscribe

func (sse *SSESubscriber) Subscribe(bus *EventBus) error

func (*SSESubscriber) Unsubscribe

func (sse *SSESubscriber) Unsubscribe(bus *EventBus) error

func (*SSESubscriber) Write

func (sses *SSESubscriber) Write(e *Event) error