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
|
package manifestops
import (
"bytes"
"errors"
"gitlab.com/gitlab-org/cluster-integration/gitlab-agent/v16/internal/module/gitops/rpc"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/cli-runtime/pkg/resource"
"sigs.k8s.io/cli-utils/pkg/manifestreader"
)
type syncDecoder struct {
restClientGetter resource.RESTClientGetter
defaultNamespace string
}
func (d *syncDecoder) Decode(sources []rpc.ObjectSource) ([]*unstructured.Unstructured, error) {
if len(sources) == 0 {
return nil, nil
}
// 1. Parse in local mode to retrieve objects.
builder := resource.NewBuilder(d.restClientGetter).
ContinueOnError().
Flatten().
Unstructured().
Local()
for _, source := range sources {
builder.Stream(bytes.NewReader(source.Data), source.Name)
}
result := builder.Do()
var objs []*unstructured.Unstructured
err := result.Visit(func(info *resource.Info, err error) error {
if err != nil {
return err
}
objs = append(objs, info.Object.(*unstructured.Unstructured))
return nil
})
if err != nil {
return nil, err
}
// 2. Process parsed objects - set namespace to the default one if missing
restMapper, err := d.restClientGetter.ToRESTMapper()
if err != nil {
return nil, err
}
triedToResetMapper := false
for {
err = manifestreader.SetNamespaces(restMapper, objs, d.defaultNamespace, false)
if err != nil {
if triedToResetMapper || !isUnknownTypesError(err) || !isResettableRESTMapper(restMapper) {
return nil, err
}
// Haven't tried to reset the mapper AND it's an UnknownTypesError AND the mapper is resettable.
// Reset the mapper and try one more time.
triedToResetMapper = true
meta.MaybeResetRESTMapper(restMapper)
continue
}
return objs, nil
}
}
func isUnknownTypesError(err error) bool {
var typeErr *manifestreader.UnknownTypesError
return errors.As(err, &typeErr)
}
func isResettableRESTMapper(mapper meta.RESTMapper) bool {
_, ok := mapper.(meta.ResettableRESTMapper)
return ok
}
|
