mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-30 00:40:21 +00:00
60 lines
2.8 KiB
Go
60 lines
2.8 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 internal is needed to break an import cycle: record.EventRecorderAdapter
|
||
|
|
// needs this interface definition to implement it, but event.NewEventBroadcasterAdapter
|
||
|
|
// needs record.NewBroadcaster. Therefore this interface cannot be in event/interfaces.go.
|
||
|
|
package internal
|
||
|
|
|
||
|
|
import (
|
||
|
|
"k8s.io/apimachinery/pkg/runtime"
|
||
|
|
"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{})
|
||
|
|
}
|
||
|
|
|
||
|
|
// EventRecorderLogger extends EventRecorder such that a logger can
|
||
|
|
// be set for methods in EventRecorder. Normally, those methods
|
||
|
|
// uses the global default logger to record errors and debug messages.
|
||
|
|
// If that is not desired, use WithLogger to provide a logger instance.
|
||
|
|
type EventRecorderLogger interface {
|
||
|
|
EventRecorder
|
||
|
|
|
||
|
|
// WithLogger replaces the context used for logging. This is a cheap call
|
||
|
|
// and meant to be used for contextual logging:
|
||
|
|
// recorder := ...
|
||
|
|
// logger := klog.FromContext(ctx)
|
||
|
|
// recorder.WithLogger(logger).Eventf(...)
|
||
|
|
WithLogger(logger klog.Logger) EventRecorderLogger
|
||
|
|
}
|