forked from openshift/origin
/
validation.go
133 lines (112 loc) · 5.51 KB
/
validation.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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
package validation
import (
"fmt"
"github.com/GoogleCloudPlatform/kubernetes/pkg/api/validation"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util/fielderrors"
"github.com/docker/distribution/registry/api/v2"
oapi "github.com/openshift/origin/pkg/api"
"github.com/openshift/origin/pkg/image/api"
)
func ValidateImageStreamName(name string, prefix bool) (bool, string) {
if ok, reason := oapi.MinimalNameRequirements(name, prefix); !ok {
return ok, reason
}
if len(name) < v2.RepositoryNameComponentMinLength {
return false, fmt.Sprintf("must be at least %d characters long", v2.RepositoryNameComponentMinLength)
}
if !v2.RepositoryNameComponentAnchoredRegexp.MatchString(name) {
return false, fmt.Sprintf("must match %q", v2.RepositoryNameComponentRegexp.String())
}
return true, ""
}
// ValidateImage tests required fields for an Image.
func ValidateImage(image *api.Image) fielderrors.ValidationErrorList {
result := fielderrors.ValidationErrorList{}
result = append(result, validation.ValidateObjectMeta(&image.ObjectMeta, false, oapi.MinimalNameRequirements).Prefix("metadata")...)
if len(image.DockerImageReference) == 0 {
result = append(result, fielderrors.NewFieldRequired("dockerImageReference"))
} else {
if _, err := api.ParseDockerImageReference(image.DockerImageReference); err != nil {
result = append(result, fielderrors.NewFieldInvalid("dockerImageReference", image.DockerImageReference, err.Error()))
}
}
return result
}
// ValidateImageStream tests required fields for an ImageStream.
func ValidateImageStream(stream *api.ImageStream) fielderrors.ValidationErrorList {
result := fielderrors.ValidationErrorList{}
result = append(result, validation.ValidateObjectMeta(&stream.ObjectMeta, true, ValidateImageStreamName).Prefix("metadata")...)
// Ensure we can generate a valid docker image repository from namespace/name
if len(stream.Namespace) > 0 && len(stream.Namespace) < v2.RepositoryNameComponentMinLength {
result = append(result, fielderrors.NewFieldInvalid("metadata.namespace", stream.Namespace, fmt.Sprintf("must be at least %d characters long", v2.RepositoryNameComponentMinLength)))
}
if len(stream.Namespace+"/"+stream.Name) > v2.RepositoryNameTotalLengthMax {
result = append(result, fielderrors.NewFieldInvalid("metadata.name", stream.Name, fmt.Sprintf("'namespace/name' cannot be longer than %d characters", v2.RepositoryNameTotalLengthMax)))
}
if stream.Spec.Tags == nil {
stream.Spec.Tags = make(map[string]api.TagReference)
}
if len(stream.Spec.DockerImageRepository) != 0 {
if _, err := api.ParseDockerImageReference(stream.Spec.DockerImageRepository); err != nil {
result = append(result, fielderrors.NewFieldInvalid("spec.dockerImageRepository", stream.Spec.DockerImageRepository, err.Error()))
}
}
for tag, tagRef := range stream.Spec.Tags {
if tagRef.From != nil {
switch tagRef.From.Kind {
case "DockerImage", "ImageStreamImage", "ImageStreamTag":
default:
result = append(result, fielderrors.NewFieldInvalid(fmt.Sprintf("spec.tags[%s].from.kind", tag), tagRef.From.Kind, "valid values are 'DockerImage', 'ImageStreamImage', 'ImageStreamTag'"))
}
}
}
for tag, history := range stream.Status.Tags {
for i, tagEvent := range history.Items {
if len(tagEvent.DockerImageReference) == 0 {
result = append(result, fielderrors.NewFieldRequired(fmt.Sprintf("status.tags[%s].Items[%d].dockerImageReference", tag, i)))
}
}
}
return result
}
func ValidateImageStreamUpdate(newStream, oldStream *api.ImageStream) fielderrors.ValidationErrorList {
result := fielderrors.ValidationErrorList{}
result = append(result, validation.ValidateObjectMetaUpdate(&newStream.ObjectMeta, &oldStream.ObjectMeta).Prefix("metadata")...)
result = append(result, ValidateImageStream(newStream)...)
return result
}
// ValidateImageStreamStatusUpdate tests required fields for an ImageStream status update.
func ValidateImageStreamStatusUpdate(newStream, oldStream *api.ImageStream) fielderrors.ValidationErrorList {
result := fielderrors.ValidationErrorList{}
result = append(result, validation.ValidateObjectMetaUpdate(&newStream.ObjectMeta, &oldStream.ObjectMeta).Prefix("metadata")...)
newStream.Spec.Tags = oldStream.Spec.Tags
newStream.Spec.DockerImageRepository = oldStream.Spec.DockerImageRepository
return result
}
// ValidateImageStreamMapping tests required fields for an ImageStreamMapping.
func ValidateImageStreamMapping(mapping *api.ImageStreamMapping) fielderrors.ValidationErrorList {
result := fielderrors.ValidationErrorList{}
result = append(result, validation.ValidateObjectMeta(&mapping.ObjectMeta, true, oapi.MinimalNameRequirements).Prefix("metadata")...)
hasRepository := len(mapping.DockerImageRepository) != 0
hasName := len(mapping.Name) != 0
switch {
case hasRepository:
if _, err := api.ParseDockerImageReference(mapping.DockerImageRepository); err != nil {
result = append(result, fielderrors.NewFieldInvalid("dockerImageRepository", mapping.DockerImageRepository, err.Error()))
}
case hasName:
default:
result = append(result, fielderrors.NewFieldRequired("name"))
result = append(result, fielderrors.NewFieldRequired("dockerImageRepository"))
}
if ok, msg := validation.ValidateNamespaceName(mapping.Namespace, false); !ok {
result = append(result, fielderrors.NewFieldInvalid("namespace", mapping.Namespace, msg))
}
if len(mapping.Tag) == 0 {
result = append(result, fielderrors.NewFieldRequired("tag"))
}
if errs := ValidateImage(&mapping.Image).Prefix("image"); len(errs) != 0 {
result = append(result, errs...)
}
return result
}