64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
package runtime
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// TaskMonitor provides an interface for monitoring of containers within containerd
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type TaskMonitor interface {
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// Monitor adds the provided container to the monitor
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Monitor(Task) error
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// Stop stops and removes the provided container from the monitor
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Stop(Task) error
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// Events emits events from the monitor
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Events(chan<- *Event)
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}
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func NewMultiTaskMonitor(monitors ...TaskMonitor) TaskMonitor {
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return &multiTaskMonitor{
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monitors: monitors,
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}
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}
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func NewNoopMonitor() TaskMonitor {
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return &noopTaskMonitor{}
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}
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type noopTaskMonitor struct {
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}
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func (mm *noopTaskMonitor) Monitor(c Task) error {
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return nil
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}
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func (mm *noopTaskMonitor) Stop(c Task) error {
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return nil
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}
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func (mm *noopTaskMonitor) Events(events chan<- *Event) {
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}
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type multiTaskMonitor struct {
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monitors []TaskMonitor
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}
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func (mm *multiTaskMonitor) Monitor(c Task) error {
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for _, m := range mm.monitors {
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if err := m.Monitor(c); err != nil {
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return err
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}
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}
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return nil
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}
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func (mm *multiTaskMonitor) Stop(c Task) error {
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for _, m := range mm.monitors {
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if err := m.Stop(c); err != nil {
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return err
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}
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}
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return nil
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}
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func (mm *multiTaskMonitor) Events(events chan<- *Event) {
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for _, m := range mm.monitors {
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m.Events(events)
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}
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}
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