90 lines
2 KiB
Go
90 lines
2 KiB
Go
package supervisor
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import (
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"os"
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"time"
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"github.com/docker/containerd/runtime"
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"github.com/opencontainers/specs"
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)
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type EventType string
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const (
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ExecExitEventType EventType = "execExit"
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ExitEventType EventType = "exit"
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StartContainerEventType EventType = "startContainer"
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DeleteEventType EventType = "deleteContainerEvent"
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GetContainerEventType EventType = "getContainer"
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SignalEventType EventType = "signal"
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AddProcessEventType EventType = "addProcess"
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UpdateContainerEventType EventType = "updateContainer"
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UpdateProcessEventType EventType = "updateProcess"
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CreateCheckpointEventType EventType = "createCheckpoint"
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DeleteCheckpointEventType EventType = "deleteCheckpoint"
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StatsEventType EventType = "events"
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UnsubscribeStatsEventType EventType = "unsubscribeStats"
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StopStatsEventType EventType = "stopStats"
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OOMEventType EventType = "oom"
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)
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func NewEvent(t EventType) *Event {
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return &Event{
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Type: t,
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Timestamp: time.Now(),
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Err: make(chan error, 1),
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}
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}
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type StartResponse struct {
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Container runtime.Container
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}
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type Event struct {
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Type EventType
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Timestamp time.Time
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ID string
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BundlePath string
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Stdout string
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Stderr string
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Stdin string
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Console string
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Pid string
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Status int
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Signal os.Signal
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Process runtime.Process
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State runtime.State
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ProcessSpec *specs.Process
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Containers []runtime.Container
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Checkpoint *runtime.Checkpoint
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Err chan error
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StartResponse chan StartResponse
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Stats chan interface{}
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CloseStdin bool
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ResizeTty bool
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Width int
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Height int
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}
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type Handler interface {
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Handle(*Event) error
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}
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type commonEvent struct {
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data *Event
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sv *Supervisor
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}
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func (e *commonEvent) Handle() {
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h, ok := e.sv.handlers[e.data.Type]
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if !ok {
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e.data.Err <- ErrUnknownEvent
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return
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}
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err := h.Handle(e.data)
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if err != errDeferedResponse {
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e.data.Err <- err
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close(e.data.Err)
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return
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}
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}
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