mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-24 15:20:19 +00:00
5762da3e91
updating go dependency to latest kubernetes released version i.e v1.23.0 Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
96 lines
4.4 KiB
Go
96 lines
4.4 KiB
Go
/*
|
|
Copyright 2019 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package events
|
|
|
|
import (
|
|
eventsv1 "k8s.io/api/events/v1"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/client-go/tools/record"
|
|
"k8s.io/klog/v2"
|
|
)
|
|
|
|
// EventRecorder knows how to record events on behalf of an EventSource.
|
|
type EventRecorder interface {
|
|
// Eventf constructs an event from the given information and puts it in the queue for sending.
|
|
// 'regarding' is the object this event is about. Event will make a reference-- or you may also
|
|
// pass a reference to the object directly.
|
|
// 'related' is the secondary object for more complex actions. E.g. when regarding object triggers
|
|
// a creation or deletion of related object.
|
|
// 'type' of this event, and can be one of Normal, Warning. New types could be added in future
|
|
// 'reason' is the reason this event is generated. 'reason' should be short and unique; it
|
|
// should be in UpperCamelCase format (starting with a capital letter). "reason" will be used
|
|
// to automate handling of events, so imagine people writing switch statements to handle them.
|
|
// You want to make that easy.
|
|
// 'action' explains what happened with regarding/what action did the ReportingController
|
|
// (ReportingController is a type of a Controller reporting an Event, e.g. k8s.io/node-controller, k8s.io/kubelet.)
|
|
// take in regarding's name; it should be in UpperCamelCase format (starting with a capital letter).
|
|
// 'note' is intended to be human readable.
|
|
Eventf(regarding runtime.Object, related runtime.Object, eventtype, reason, action, note string, args ...interface{})
|
|
}
|
|
|
|
// EventBroadcaster knows how to receive events and send them to any EventSink, watcher, or log.
|
|
type EventBroadcaster interface {
|
|
// StartRecordingToSink starts sending events received from the specified eventBroadcaster.
|
|
StartRecordingToSink(stopCh <-chan struct{})
|
|
|
|
// NewRecorder returns an EventRecorder that can be used to send events to this EventBroadcaster
|
|
// with the event source set to the given event source.
|
|
NewRecorder(scheme *runtime.Scheme, reportingController string) EventRecorder
|
|
|
|
// StartEventWatcher enables you to watch for emitted events without usage
|
|
// of StartRecordingToSink. This lets you also process events in a custom way (e.g. in tests).
|
|
// NOTE: events received on your eventHandler should be copied before being used.
|
|
// TODO: figure out if this can be removed.
|
|
StartEventWatcher(eventHandler func(event runtime.Object)) func()
|
|
|
|
// StartStructuredLogging starts sending events received from this EventBroadcaster to the structured
|
|
// logging function. The return value can be ignored or used to stop recording, if desired.
|
|
StartStructuredLogging(verbosity klog.Level) func()
|
|
|
|
// Shutdown shuts down the broadcaster
|
|
Shutdown()
|
|
}
|
|
|
|
// EventSink knows how to store events (client-go implements it.)
|
|
// EventSink must respect the namespace that will be embedded in 'event'.
|
|
// It is assumed that EventSink will return the same sorts of errors as
|
|
// client-go's REST client.
|
|
type EventSink interface {
|
|
Create(event *eventsv1.Event) (*eventsv1.Event, error)
|
|
Update(event *eventsv1.Event) (*eventsv1.Event, error)
|
|
Patch(oldEvent *eventsv1.Event, data []byte) (*eventsv1.Event, error)
|
|
}
|
|
|
|
// EventBroadcasterAdapter is a auxiliary interface to simplify migration to
|
|
// the new events API. It is a wrapper around new and legacy broadcasters
|
|
// that smartly chooses which one to use.
|
|
//
|
|
// Deprecated: This interface will be removed once migration is completed.
|
|
type EventBroadcasterAdapter interface {
|
|
// StartRecordingToSink starts sending events received from the specified eventBroadcaster.
|
|
StartRecordingToSink(stopCh <-chan struct{})
|
|
|
|
// NewRecorder creates a new Event Recorder with specified name.
|
|
NewRecorder(name string) EventRecorder
|
|
|
|
// DeprecatedNewLegacyRecorder creates a legacy Event Recorder with specific name.
|
|
DeprecatedNewLegacyRecorder(name string) record.EventRecorder
|
|
|
|
// Shutdown shuts down the broadcaster.
|
|
Shutdown()
|
|
}
|