-
Notifications
You must be signed in to change notification settings - Fork 21
/
informer.go
99 lines (85 loc) · 2.71 KB
/
informer.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
/*
* Copyright 2022 The Furiko 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 jobconfigcontroller
import (
"fmt"
"k8s.io/client-go/tools/cache"
"k8s.io/klog/v2"
"github.com/furiko-io/furiko/pkg/utils/eventhandler"
"github.com/furiko-io/furiko/pkg/utils/execution/jobconfig"
)
// InformerWorker receives events from the informer and enqueues work to be done
// for the controller.
type InformerWorker struct {
*Context
}
func NewInformerWorker(ctrlContext *Context) *InformerWorker {
w := &InformerWorker{
Context: ctrlContext,
}
// Add event handler for JobConfigs.
w.jobconfigInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: w.enqueueObject,
UpdateFunc: func(_, newObj interface{}) {
w.enqueueObject(newObj)
},
DeleteFunc: w.enqueueObject,
})
// Add event handler for Jobs.
// We will sync their parent JobConfigs.
w.jobInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: w.handleJob,
UpdateFunc: func(_, newObj interface{}) {
w.handleJob(newObj)
},
DeleteFunc: w.handleJob,
})
return w
}
func (w *InformerWorker) WorkerName() string {
return fmt.Sprintf("%v.Informer", controllerName)
}
// enqueueObject enqueues an object to the workqueue.
// This method also accepts DeletionFinalStateUnknown tombstone objects also since it uses a wrapped KeyFunc.
func (w *InformerWorker) enqueueObject(obj interface{}) {
// Get key to enqueue.
key, err := cache.DeletionHandlingMetaNamespaceKeyFunc(obj)
if err != nil {
klog.ErrorS(err, "jobconfigcontroller: keyfunc error", "worker", w.WorkerName(), "obj", obj)
return
}
// Add to workqueue.
w.queue.Add(key)
}
func (w *InformerWorker) handleJob(obj interface{}) {
rj, err := eventhandler.Executionv1alpha1Job(obj)
if err != nil {
klog.ErrorS(err, "jobconfigcontroller: unable to handle event", "worker", w.WorkerName())
return
}
rjc, err := jobconfig.LookupJobOwner(rj, w.jobconfigInformer.Lister().JobConfigs(rj.Namespace))
if err != nil {
klog.ErrorS(err, "jobconfigcontroller: cannot look up jobconfig for job",
"worker", w.WorkerName(),
"namespace", rj.GetNamespace(),
"name", rj.GetName(),
)
return
}
if rjc != nil {
w.enqueueObject(rjc)
}
}