/
utils.go
84 lines (73 loc) · 1.81 KB
/
utils.go
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// Package utils provide utilities functions to make helm-convert work
package utils
import (
"fmt"
"sort"
"strings"
"sigs.k8s.io/kustomize/pkg/resid"
"sigs.k8s.io/kustomize/pkg/resource"
)
// GetResourceFileName return a resource name from metadata.name
func GetResourceFileName(id resid.ResId, res *resource.Resource) (string, error) {
kind, err := res.GetFieldValue("kind")
if err != nil {
return "", err
}
name, err := res.GetFieldValue("metadata.name")
if err != nil {
return "", err
}
return strings.ToLower(fmt.Sprintf("%s-%s.yaml", name, GetKindAbbreviation(kind))), nil
}
// GetKindAbbreviation return the abbreviation of a given resource
func GetKindAbbreviation(kind string) string {
if abbrev, ok := K8SResourceMapping[strings.ToLower(kind)]; ok {
return abbrev
}
return kind
}
// GetPrefix return the common prefix from a given list of string
func GetPrefix(s []string) string {
sort.Sort(byLength(s))
prefix := s[0]
for _, name := range s[1:] {
for i, s1 := range prefix {
if string(s1) != string(name[i]) {
prefix = prefix[0:i]
break
}
}
}
return prefix
}
// RecursivelyRemoveKey of a matching key at a given path
func RecursivelyRemoveKey(path, key string, obj map[string]interface{}) error {
for k := range obj {
switch typedV := obj[k].(type) {
case map[string]interface{}:
if k == path {
m := obj[path].(map[string]interface{})
if _, exist := m[key]; exist {
delete(m, key)
}
} else {
err := RecursivelyRemoveKey(path, key, typedV)
if err != nil {
return err
}
}
case []interface{}:
for i := range typedV {
item := typedV[i]
typedItem, ok := item.(map[string]interface{})
if ok {
err := RecursivelyRemoveKey(path, key, typedItem)
if err != nil {
return err
}
}
}
}
}
return nil
}