/
namespace.go
50 lines (39 loc) · 1.16 KB
/
namespace.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
package transformers
import (
"github.com/ContainerSolutions/helm-convert/pkg/types"
ktypes "sigs.k8s.io/kustomize/pkg/types"
)
type namespaceTransformer struct{}
var _ Transformer = &namespaceTransformer{}
// NewNamespaceTransformer constructs a namespaceTransformer.
func NewNamespaceTransformer() Transformer {
return &namespaceTransformer{}
}
// Transform set the namespace if all resources have the same namespace
func (t *namespaceTransformer) Transform(config *ktypes.Kustomization, resources *types.Resources) error {
var namespace string
for _, res := range resources.ResMap {
resNamespace, err := res.GetFieldValue("metadata.namespace")
if err != nil {
continue
}
if namespace != "" && namespace != resNamespace {
return nil
}
namespace = resNamespace
}
if namespace != "" {
// Delete the namespace key if it is globally set
for id, res := range resources.ResMap {
_, err := res.GetFieldValue("metadata.namespace")
if err != nil {
continue
}
obj := resources.ResMap[id].Map()
metadata := obj["metadata"].(map[string]interface{})
delete(metadata, "namespace")
}
config.Namespace = namespace
}
return nil
}