/
helpers.go
95 lines (83 loc) · 2.4 KB
/
helpers.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
package quota
import (
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
)
var accessor = meta.NewAccessor()
func GetMatcher(selector ClusterResourceQuotaSelector) (func(obj runtime.Object) (bool, error), error) {
var labelSelector labels.Selector
if selector.LabelSelector != nil {
var err error
labelSelector, err = metav1.LabelSelectorAsSelector(selector.LabelSelector)
if err != nil {
return nil, err
}
}
var annotationSelector map[string]string
if len(selector.AnnotationSelector) > 0 {
// ensure our matcher has a stable copy of the map
annotationSelector = make(map[string]string, len(selector.AnnotationSelector))
for k, v := range selector.AnnotationSelector {
annotationSelector[k] = v
}
}
return func(obj runtime.Object) (bool, error) {
if labelSelector != nil {
objLabels, err := accessor.Labels(obj)
if err != nil {
return false, err
}
if !labelSelector.Matches(labels.Set(objLabels)) {
return false, nil
}
}
if annotationSelector != nil {
objAnnotations, err := accessor.Annotations(obj)
if err != nil {
return false, err
}
for k, v := range annotationSelector {
if objValue, exists := objAnnotations[k]; !exists || objValue != v {
return false, nil
}
}
}
return true, nil
}, nil
}
func GetObjectMatcher(selector ClusterResourceQuotaSelector) (func(obj metav1.Object) (bool, error), error) {
var labelSelector labels.Selector
if selector.LabelSelector != nil {
var err error
labelSelector, err = metav1.LabelSelectorAsSelector(selector.LabelSelector)
if err != nil {
return nil, err
}
}
var annotationSelector map[string]string
if len(selector.AnnotationSelector) > 0 {
// ensure our matcher has a stable copy of the map
annotationSelector = make(map[string]string, len(selector.AnnotationSelector))
for k, v := range selector.AnnotationSelector {
annotationSelector[k] = v
}
}
return func(obj metav1.Object) (bool, error) {
if labelSelector != nil {
if !labelSelector.Matches(labels.Set(obj.GetLabels())) {
return false, nil
}
}
if annotationSelector != nil {
objAnnotations := obj.GetAnnotations()
for k, v := range annotationSelector {
if objValue, exists := objAnnotations[k]; !exists || objValue != v {
return false, nil
}
}
}
return true, nil
}, nil
}