/
manifest.go
67 lines (58 loc) · 1.68 KB
/
manifest.go
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package common
import (
"bytes"
"fmt"
"text/template"
"github.com/Masterminds/sprig/v3"
"github.com/pkg/errors"
"helm.sh/helm/v3/pkg/strvals"
"k8s.io/apimachinery/pkg/util/validation"
)
func GenerateValues(setValues map[string]string, defaultValues map[string]string) (map[string]interface{}, error) {
values := []string{}
for key, value := range defaultValues {
if _, ok := setValues[key]; !ok {
values = append(values, fmt.Sprintf("%s=%s", key, value))
}
}
for key, value := range setValues {
values = append(values, fmt.Sprintf("%s=%s", key, value))
}
return mergeValues(values)
}
func AssembleManifest(values map[string]interface{}, manifest string, templateFunc template.FuncMap) ([]byte, error) {
t := template.New("manifest").Funcs(sprig.TxtFuncMap())
if templateFunc != nil {
t = t.Funcs(templateFunc)
}
t, err := t.Parse(manifest)
if err != nil {
return nil, err
}
var resultContent bytes.Buffer
if err := t.Execute(&resultContent, values); err != nil {
return nil, err
}
return resultContent.Bytes(), nil
}
func mergeValues(values []string) (map[string]interface{}, error) {
base := map[string]interface{}{}
for _, value := range values {
if err := strvals.ParseInto(value, base); err != nil {
return nil, errors.Wrap(err, "failed parsing --set data")
}
}
return base, nil
}
func ValidateName(name string) error {
if name == "" {
return errors.New("name is required for addon creation")
}
if _, err := DefaultDB.GetAddon(name); err == nil {
return fmt.Errorf("addon %s is already exist", name)
}
if errs := validation.IsDNS1123Subdomain(name); len(errs) > 0 {
return fmt.Errorf("name is not validated %s, %v", name, errs)
}
return nil
}