/
unstructured.go
77 lines (68 loc) · 1.74 KB
/
unstructured.go
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package manifests
import (
"fmt"
"regexp"
"strings"
"github.com/ghodss/yaml"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
)
type KObject struct {
APIVersion string
Kind string
Namespace string
Name string
}
func (k *KObject) Equals(obj unstructured.Unstructured) bool {
if k.APIVersion == obj.GetAPIVersion() &&
k.Kind == obj.GetKind() &&
k.Namespace == obj.GetNamespace() &&
k.Name == obj.GetName() {
return true
}
return false
}
type UnstructuredMap map[KObject]*unstructured.Unstructured
var diffSeparator = regexp.MustCompile(`\n---`)
func ManifestStringToUnstructuredArray(out, defaultNamespace string) ([]*unstructured.Unstructured, error) {
if strings.TrimSpace(out) == "" || strings.TrimSpace(out) == "---" {
return nil, nil
}
parts := diffSeparator.Split(out, -1)
var objs []*unstructured.Unstructured
var firstErr error
for _, part := range parts {
var objMap map[string]interface{}
err := yaml.Unmarshal([]byte(part), &objMap)
if err != nil {
if firstErr == nil {
firstErr = fmt.Errorf("failed to unmarshal manifest: %w", err)
}
continue
}
if len(objMap) == 0 {
// handles case where there's no content between `---`
continue
}
var obj unstructured.Unstructured
err = yaml.Unmarshal([]byte(part), &obj)
if err != nil {
if firstErr == nil {
firstErr = fmt.Errorf("failed to unmarshal manifest: %w", err)
}
continue
}
if obj.GetNamespace() == "" {
obj.SetNamespace(defaultNamespace)
}
objs = append(objs, &obj)
}
return objs, firstErr
}
func UnstructuredToKObject(obj unstructured.Unstructured) KObject {
return KObject{
APIVersion: obj.GetAPIVersion(),
Kind: obj.GetKind(),
Namespace: obj.GetNamespace(),
Name: obj.GetName(),
}
}