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secretfactory.go 2.90 KB
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Jingfang Liu authored 2019-03-05 14:44 . update vendoring of kustomize
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package configmapandsecret
import (
"fmt"
"strings"
"github.com/pkg/errors"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/util/validation"
"k8s.io/cli-runtime/pkg/kustomize/k8sdeps/kv"
"sigs.k8s.io/kustomize/pkg/ifc"
"sigs.k8s.io/kustomize/pkg/types"
)
// SecretFactory makes Secrets.
type SecretFactory struct {
ldr ifc.Loader
}
// NewSecretFactory returns a new SecretFactory.
func NewSecretFactory(ldr ifc.Loader) *SecretFactory {
return &SecretFactory{ldr: ldr}
}
func (f *SecretFactory) makeFreshSecret(args *types.SecretArgs) *corev1.Secret {
s := &corev1.Secret{}
s.APIVersion = "v1"
s.Kind = "Secret"
s.Name = args.Name
s.Namespace = args.Namespace
s.Type = corev1.SecretType(args.Type)
if s.Type == "" {
s.Type = corev1.SecretTypeOpaque
}
s.Data = map[string][]byte{}
return s
}
// MakeSecret returns a new secret.
func (f *SecretFactory) MakeSecret(args *types.SecretArgs, options *types.GeneratorOptions) (*corev1.Secret, error) {
var all []kv.Pair
var err error
s := f.makeFreshSecret(args)
pairs, err := keyValuesFromEnvFile(f.ldr, args.EnvSource)
if err != nil {
return nil, errors.Wrap(err, fmt.Sprintf(
"env source file: %s",
args.EnvSource))
}
all = append(all, pairs...)
pairs, err = keyValuesFromLiteralSources(args.LiteralSources)
if err != nil {
return nil, errors.Wrap(err, fmt.Sprintf(
"literal sources %v", args.LiteralSources))
}
all = append(all, pairs...)
pairs, err = keyValuesFromFileSources(f.ldr, args.FileSources)
if err != nil {
return nil, errors.Wrap(err, fmt.Sprintf(
"file sources: %v", args.FileSources))
}
all = append(all, pairs...)
for _, p := range all {
err = addKvToSecret(s, p.Key, p.Value)
if err != nil {
return nil, err
}
}
if options != nil {
s.SetLabels(options.Labels)
s.SetAnnotations(options.Annotations)
}
return s, nil
}
func addKvToSecret(secret *corev1.Secret, keyName, data string) error {
// Note, the rules for SecretKeys keys are the exact same as the ones for ConfigMap.
if errs := validation.IsConfigMapKey(keyName); len(errs) != 0 {
return fmt.Errorf("%q is not a valid key name for a Secret: %s", keyName, strings.Join(errs, ";"))
}
if _, entryExists := secret.Data[keyName]; entryExists {
return fmt.Errorf("cannot add key %s, another key by that name already exists", keyName)
}
secret.Data[keyName] = []byte(data)
return nil
}

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