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
|
/*
Copyright 2019 Intel Corporation.
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 utils
import (
appsv1 "k8s.io/api/apps/v1"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/predicate"
logf "sigs.k8s.io/controller-runtime/pkg/runtime/log"
)
var plog = logf.Log.WithName("predicate").WithName("eventFilters")
// DaemonSetStatusChangedPredicate implements a default update predicate function on status change for Daemonsets
// (adapted from sigs.k8s.io/controller-runtime/pkg/predicate/predicate.GenerationChangedPredicate)
type DaemonSetStatusChangedPredicate struct {
predicate.Funcs
}
// Update implements default UpdateEvent filter for validating generation change
func (DaemonSetStatusChangedPredicate) Update(e event.UpdateEvent) bool {
newDS := e.ObjectNew.DeepCopyObject().(*appsv1.DaemonSet)
oldDS := e.ObjectOld.DeepCopyObject().(*appsv1.DaemonSet)
plog.V(2).Info("newDS", "nUNS:=", newDS.Status.UpdatedNumberScheduled, "oUNS:=", oldDS.Status.UpdatedNumberScheduled, "nDNS:=", newDS.Status.DesiredNumberScheduled, "nNR:=", newDS.Status.NumberReady, "nNA:=", newDS.Status.NumberAvailable)
if newDS.Status.UpdatedNumberScheduled >= oldDS.Status.UpdatedNumberScheduled {
if (newDS.Status.UpdatedNumberScheduled == newDS.Status.NumberReady) &&
(newDS.Status.UpdatedNumberScheduled == newDS.Status.NumberAvailable) {
return true
}
}
if e.MetaOld == nil {
plog.Error(nil, "Update event has no old metadata", "event", e)
return false
}
if e.ObjectOld == nil {
plog.Error(nil, "Update event has no old runtime object to update", "event", e)
return false
}
if e.ObjectNew == nil {
plog.Error(nil, "Update event has no new runtime object for update", "event", e)
return false
}
if e.MetaNew == nil {
plog.Error(nil, "Update event has no new metadata", "event", e)
return false
}
if e.MetaNew.GetGeneration() == e.MetaOld.GetGeneration() {
return false
}
return true
}
|
