mirror of https://github.com/kubernetes/kops.git
80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package fi
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import (
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"context"
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crypto_rand "crypto/rand"
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"encoding/base64"
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"fmt"
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"strings"
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"k8s.io/kops/util/pkg/vfs"
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)
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type SecretStoreReader interface {
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// Secret returns a secret. Returns an error if not found
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Secret(id string) (*Secret, error)
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// FindSecret finds a secret, if exists. Returns nil,nil if not found
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FindSecret(id string) (*Secret, error)
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}
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type SecretStore interface {
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SecretStoreReader
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// DeleteSecret deletes the specified secret
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DeleteSecret(id string) error
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// GetOrCreateSecret creates a secret
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GetOrCreateSecret(ctx context.Context, id string, secret *Secret) (current *Secret, created bool, err error)
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// ReplaceSecret will forcefully update an existing secret if it exists
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ReplaceSecret(id string, secret *Secret) (current *Secret, err error)
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// ListSecrets lists the ids of all known secrets
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ListSecrets() ([]string, error)
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// MirrorTo will copy secrets to a vfs.Path, which is often easier for a machine to read
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MirrorTo(ctx context.Context, basedir vfs.Path) error
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}
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type Secret struct {
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Data []byte
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}
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func (s *Secret) AsString() (string, error) {
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// Nicer behaviour because this is called from templates
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if s == nil {
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return "", fmt.Errorf("AsString called on nil Secret")
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}
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return string(s.Data), nil
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}
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func CreateSecret() (*Secret, error) {
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data := make([]byte, 128)
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_, err := crypto_rand.Read(data)
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if err != nil {
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return nil, fmt.Errorf("error reading crypto_rand: %v", err)
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}
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s := base64.StdEncoding.EncodeToString(data)
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r := strings.NewReplacer("+", "", "=", "", "/", "")
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s = r.Replace(s)
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s = s[:32]
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return &Secret{
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Data: []byte(s),
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}, nil
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}
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