/
mutation.go
95 lines (90 loc) · 3.08 KB
/
mutation.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 simpleautoscaler
import (
"crypto/md5"
"errors"
"fmt"
autoscalev1alpha1 "github.com/tensorbytes/simplescale/api/v1alpha1"
apiresource "k8s.io/apimachinery/pkg/api/resource"
)
const (
DefaultDownscaleWindow = "5m"
DefaultUpscaleWindow = "5m"
DefaultFieldType = autoscalev1alpha1.OtherResourceType
)
func SimpleAutoScalerMutating(scaleObj *autoscalev1alpha1.SimpleAutoScaler) {
for _, policy := range scaleObj.Spec.Policy {
if policy.FieldType == "" {
policy.FieldType = DefaultFieldType
}
if policy.Name == "" {
policy.Name = fmt.Sprintf("%v", md5.Sum([]byte(policy.Field)))
}
if policy.Update == nil {
policy.Update = &autoscalev1alpha1.ScaleUpdateParameter{
DownscaleWindow: DefaultDownscaleWindow,
UpscaleWindow: DefaultUpscaleWindow,
Mode: autoscalev1alpha1.UpdateModeDefault,
}
}
if policy.FieldType == autoscalev1alpha1.CPUResourceType {
if policy.Update.MaxAllowed.String() == "0" {
policy.Update.MaxAllowed = apiresource.MustParse("1")
}
if policy.Update.MinAllowed.String() == "0" {
policy.Update.MinAllowed = apiresource.MustParse("10m")
}
} else if policy.FieldType == autoscalev1alpha1.MemoryResourceType {
if policy.Update.MaxAllowed.String() == "0" {
policy.Update.MaxAllowed = apiresource.MustParse("1Gi")
}
if policy.Update.MinAllowed.String() == "0" {
policy.Update.MinAllowed = apiresource.MustParse("10Mi")
}
} else if (policy.FieldType == autoscalev1alpha1.ReplicasResourceType) || (policy.FieldType == DefaultFieldType) {
if policy.Update.MaxAllowed.String() == "0" {
policy.Update.MaxAllowed = apiresource.MustParse("2")
}
if policy.Update.MinAllowed.String() == "0" {
policy.Update.MinAllowed = apiresource.MustParse("1")
}
}
if policy.Update.DownscaleWindow == "" {
policy.Update.DownscaleWindow = DefaultDownscaleWindow
}
if policy.Update.UpscaleWindow == "" {
policy.Update.UpscaleWindow = DefaultUpscaleWindow
}
if policy.Update.Mode == "" {
policy.Update.Mode = autoscalev1alpha1.UpdateModeDefault
}
}
}
func SimpleAutoScalerValidating(scaleObj autoscalev1alpha1.SimpleAutoScaler) (err error) {
if scaleObj.Spec.TargetRef == nil {
err = errors.New("SimpleAutoScaler TargetRef must have object not be nil")
return
}
if (scaleObj.Spec.TargetRef.Kind == "") || (scaleObj.Spec.TargetRef.APIVersion == "") {
err = errors.New("SimpleAutoScaler TargetRef kind or APIVersion must have object not be nil")
return
}
if len(scaleObj.Spec.Policy) < 0 {
err = errors.New("SimpleAutoScaler policy must have object not be nil")
return
}
for _, policy := range scaleObj.Spec.Policy {
if policy.Field == "" {
err = errors.New("SimpleAutoScaler policy field must not be nil")
return
}
if policy.ScaleFactorObject == nil {
err = errors.New("SimpleAutoScaler policy ScaleFactorObject must not be nil")
return
}
if (policy.ScaleFactorObject.Kind == "") || (policy.ScaleFactorObject.APIVersion == "") {
err = errors.New("SimpleAutoScaler policy ScaleFactorObject kind or APIVersion must have object not be nil")
return
}
}
return
}