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Emit events for docker daemon

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This fix tries to cover the issue raised in #22463 by emitting
events for docker daemon so that user could be notified by
scenarios like config reload, etc.

This fix adds the `daemon reload`, and events for docker daemon.

Additional tests have been added to cover the changes in this fix.

This fix fixes #22463.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
This commit is contained in:
Yong Tang 2016-05-08 16:11:34 -07:00
parent 9bc6c4ef80
commit 382c152a73
6 changed files with 88 additions and 1 deletions
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11
daemon/events.go
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@ -80,6 +80,17 @@ func (daemon *Daemon) LogNetworkEventWithAttributes(nw libnetwork.Network, actio
daemon.EventsService.Log(action, events.NetworkEventType, actor)
}
// LogDaemonEventWithAttributes generates an event related to the daemon itself with specific given attributes.
func (daemon *Daemon) LogDaemonEventWithAttributes(action string, attributes map[string]string) {
if daemon.EventsService != nil {
actor := events.Actor{
ID: daemon.ID,
Attributes: attributes,
}
daemon.EventsService.Log(action, events.DaemonEventType, actor)
}
}
// SubscribeToEvents returns the currently record of events, a channel to stream new events from, and a function to cancel the stream of events.
func (daemon *Daemon) SubscribeToEvents(since, until time.Time, filter filters.Args) ([]events.Message, chan interface{}) {
ef := daemonevents.NewFilter(filter)